./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound50.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 7aff0c23635f1e1acd85672a1024d6cb6d0af57cad0028c56f5d301198b4eae6 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 04:42:44,821 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 04:42:44,909 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 04:42:44,913 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 04:42:44,914 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 04:42:44,936 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 04:42:44,937 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 04:42:44,938 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 04:42:44,939 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 04:42:44,941 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 04:42:44,941 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 04:42:44,941 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 04:42:44,942 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 04:42:44,942 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 04:42:44,943 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 04:42:44,943 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 04:42:44,944 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 04:42:44,944 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 04:42:44,944 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 04:42:44,945 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 04:42:44,945 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 04:42:44,947 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 04:42:44,947 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 04:42:44,947 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 04:42:44,948 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 04:42:44,948 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 04:42:44,948 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 04:42:44,949 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 04:42:44,949 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 04:42:44,949 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 04:42:44,950 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 04:42:44,955 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 04:42:44,956 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 04:42:44,956 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 04:42:44,957 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:42:44,958 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 04:42:44,958 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 04:42:44,958 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 04:42:44,959 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 04:42:44,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 04:42:44,959 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 04:42:44,959 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 04:42:44,960 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 04:42:44,960 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 04:42:44,960 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7aff0c23635f1e1acd85672a1024d6cb6d0af57cad0028c56f5d301198b4eae6 [2024-11-17 04:42:45,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 04:42:45,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 04:42:45,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 04:42:45,250 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 04:42:45,250 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 04:42:45,252 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound50.c [2024-11-17 04:42:46,754 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 04:42:46,925 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 04:42:46,925 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound50.c [2024-11-17 04:42:46,932 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/558783581/bd5139f0804a4b04917749eb5c74e3f5/FLAGf3332faf5 [2024-11-17 04:42:47,313 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/558783581/bd5139f0804a4b04917749eb5c74e3f5 [2024-11-17 04:42:47,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 04:42:47,320 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 04:42:47,323 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 04:42:47,323 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 04:42:47,329 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 04:42:47,330 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:42:47" (1/1) ... [2024-11-17 04:42:47,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@603e1cb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:47, skipping insertion in model container [2024-11-17 04:42:47,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:42:47" (1/1) ... [2024-11-17 04:42:47,351 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 04:42:47,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:42:47,530 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 04:42:47,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:42:47,561 INFO L204 MainTranslator]: Completed translation [2024-11-17 04:42:47,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:47 WrapperNode [2024-11-17 04:42:47,562 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 04:42:47,563 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 04:42:47,563 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 04:42:47,564 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 04:42:47,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:47" (1/1) ... [2024-11-17 04:42:47,577 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:47" (1/1) ... [2024-11-17 04:42:47,592 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2024-11-17 04:42:47,593 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 04:42:47,594 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 04:42:47,594 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 04:42:47,594 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 04:42:47,605 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:47" (1/1) ... [2024-11-17 04:42:47,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:47" (1/1) ... [2024-11-17 04:42:47,606 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:47" (1/1) ... [2024-11-17 04:42:47,618 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-17 04:42:47,619 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:47" (1/1) ... [2024-11-17 04:42:47,619 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:47" (1/1) ... [2024-11-17 04:42:47,622 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:47" (1/1) ... [2024-11-17 04:42:47,622 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:47" (1/1) ... [2024-11-17 04:42:47,623 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:47" (1/1) ... [2024-11-17 04:42:47,624 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:47" (1/1) ... [2024-11-17 04:42:47,626 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 04:42:47,626 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 04:42:47,627 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 04:42:47,627 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 04:42:47,628 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:47" (1/1) ... [2024-11-17 04:42:47,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:42:47,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:47,660 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) [2024-11-17 04:42:47,663 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 [2024-11-17 04:42:47,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 04:42:47,712 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-17 04:42:47,712 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-17 04:42:47,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 04:42:47,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 04:42:47,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 04:42:47,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 04:42:47,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 04:42:47,781 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 04:42:47,785 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 04:42:48,047 INFO L? ?]: Removed 47 outVars from TransFormulas that were not future-live. [2024-11-17 04:42:48,049 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 04:42:48,069 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 04:42:48,069 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 04:42:48,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:42:48 BoogieIcfgContainer [2024-11-17 04:42:48,070 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 04:42:48,074 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 04:42:48,074 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 04:42:48,077 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 04:42:48,078 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:42:47" (1/3) ... [2024-11-17 04:42:48,080 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1915555a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:42:48, skipping insertion in model container [2024-11-17 04:42:48,080 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:42:47" (2/3) ... [2024-11-17 04:42:48,081 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1915555a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:42:48, skipping insertion in model container [2024-11-17 04:42:48,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:42:48" (3/3) ... [2024-11-17 04:42:48,083 INFO L112 eAbstractionObserver]: Analyzing ICFG mannadiv_unwindbound50.c [2024-11-17 04:42:48,098 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 04:42:48,098 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-11-17 04:42:48,155 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 04:42:48,161 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;@6637e735, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 04:42:48,162 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-11-17 04:42:48,167 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 45 states have (on average 1.6222222222222222) internal successors, (73), 67 states have internal predecessors, (73), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-17 04:42:48,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-17 04:42:48,174 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:48,174 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:48,175 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:48,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:48,179 INFO L85 PathProgramCache]: Analyzing trace with hash -2146905663, now seen corresponding path program 1 times [2024-11-17 04:42:48,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:48,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528723414] [2024-11-17 04:42:48,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:48,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:48,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:48,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:48,329 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:48,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:48,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528723414] [2024-11-17 04:42:48,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528723414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:42:48,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:42:48,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:42:48,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807365825] [2024-11-17 04:42:48,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:42:48,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 04:42:48,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:48,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 04:42:48,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:42:48,364 INFO L87 Difference]: Start difference. First operand has 74 states, 45 states have (on average 1.6222222222222222) internal successors, (73), 67 states have internal predecessors, (73), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:42:48,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:48,393 INFO L93 Difference]: Finished difference Result 144 states and 161 transitions. [2024-11-17 04:42:48,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 04:42:48,395 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2024-11-17 04:42:48,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:48,404 INFO L225 Difference]: With dead ends: 144 [2024-11-17 04:42:48,404 INFO L226 Difference]: Without dead ends: 67 [2024-11-17 04:42:48,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:42:48,411 INFO L432 NwaCegarLoop]: 77 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, 77 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 [2024-11-17 04:42:48,411 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:42:48,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-17 04:42:48,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-11-17 04:42:48,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 40 states have (on average 1.6) internal successors, (64), 61 states have internal predecessors, (64), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 04:42:48,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 70 transitions. [2024-11-17 04:42:48,452 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 70 transitions. Word has length 15 [2024-11-17 04:42:48,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:48,452 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 70 transitions. [2024-11-17 04:42:48,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:42:48,453 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 70 transitions. [2024-11-17 04:42:48,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-17 04:42:48,456 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:48,456 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:48,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 04:42:48,457 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:48,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:48,458 INFO L85 PathProgramCache]: Analyzing trace with hash 379739425, now seen corresponding path program 1 times [2024-11-17 04:42:48,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:48,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091117587] [2024-11-17 04:42:48,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:48,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:48,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:48,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:48,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:48,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:48,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:48,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:48,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091117587] [2024-11-17 04:42:48,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091117587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:42:48,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:42:48,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:42:48,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300240127] [2024-11-17 04:42:48,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:42:48,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:42:48,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:48,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:42:48,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:42:48,628 INFO L87 Difference]: Start difference. First operand 67 states and 70 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:42:48,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:48,694 INFO L93 Difference]: Finished difference Result 82 states and 85 transitions. [2024-11-17 04:42:48,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:42:48,695 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-11-17 04:42:48,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:48,696 INFO L225 Difference]: With dead ends: 82 [2024-11-17 04:42:48,696 INFO L226 Difference]: Without dead ends: 72 [2024-11-17 04:42:48,697 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:42:48,698 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 11 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:48,698 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 183 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:42:48,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-17 04:42:48,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-17 04:42:48,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 45 states have (on average 1.5333333333333334) internal successors, (69), 66 states have internal predecessors, (69), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 04:42:48,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 75 transitions. [2024-11-17 04:42:48,712 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 75 transitions. Word has length 15 [2024-11-17 04:42:48,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:48,713 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 75 transitions. [2024-11-17 04:42:48,714 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:42:48,714 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 75 transitions. [2024-11-17 04:42:48,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-17 04:42:48,715 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:48,715 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:48,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 04:42:48,716 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:48,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:48,717 INFO L85 PathProgramCache]: Analyzing trace with hash 369694493, now seen corresponding path program 1 times [2024-11-17 04:42:48,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:48,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092681311] [2024-11-17 04:42:48,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:48,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:48,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:42:48,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [722236484] [2024-11-17 04:42:48,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:48,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:48,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:48,744 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) [2024-11-17 04:42:48,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 04:42:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:48,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:42:48,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:42:48,857 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:48,857 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:42:48,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:48,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092681311] [2024-11-17 04:42:48,858 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:42:48,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722236484] [2024-11-17 04:42:48,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [722236484] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:42:48,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:42:48,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:42:48,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511791458] [2024-11-17 04:42:48,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:42:48,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:42:48,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:48,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:42:48,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:42:48,865 INFO L87 Difference]: Start difference. First operand 72 states and 75 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:42:49,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:49,042 INFO L93 Difference]: Finished difference Result 115 states and 127 transitions. [2024-11-17 04:42:49,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:42:49,042 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2024-11-17 04:42:49,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:49,044 INFO L225 Difference]: With dead ends: 115 [2024-11-17 04:42:49,044 INFO L226 Difference]: Without dead ends: 109 [2024-11-17 04:42:49,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:42:49,045 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 32 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:49,046 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 99 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:42:49,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-17 04:42:49,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 98. [2024-11-17 04:42:49,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 70 states have (on average 1.5571428571428572) internal successors, (109), 91 states have internal predecessors, (109), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-17 04:42:49,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 117 transitions. [2024-11-17 04:42:49,077 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 117 transitions. Word has length 19 [2024-11-17 04:42:49,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:49,078 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 117 transitions. [2024-11-17 04:42:49,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:42:49,078 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 117 transitions. [2024-11-17 04:42:49,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-17 04:42:49,079 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:49,079 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:49,093 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 04:42:49,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:49,280 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:49,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:49,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1205877189, now seen corresponding path program 1 times [2024-11-17 04:42:49,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:49,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402633923] [2024-11-17 04:42:49,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:49,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:49,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:49,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:49,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:49,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:49,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:49,393 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:49,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:49,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402633923] [2024-11-17 04:42:49,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402633923] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:42:49,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:42:49,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:42:49,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019634533] [2024-11-17 04:42:49,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:42:49,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:42:49,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:49,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:42:49,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:42:49,397 INFO L87 Difference]: Start difference. First operand 98 states and 117 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:42:49,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:49,553 INFO L93 Difference]: Finished difference Result 151 states and 188 transitions. [2024-11-17 04:42:49,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:42:49,554 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2024-11-17 04:42:49,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:49,556 INFO L225 Difference]: With dead ends: 151 [2024-11-17 04:42:49,556 INFO L226 Difference]: Without dead ends: 144 [2024-11-17 04:42:49,557 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:42:49,558 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 46 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:49,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 101 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:42:49,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-17 04:42:49,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 135. [2024-11-17 04:42:49,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 105 states have (on average 1.5333333333333334) internal successors, (161), 126 states have internal predecessors, (161), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 04:42:49,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 173 transitions. [2024-11-17 04:42:49,571 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 173 transitions. Word has length 21 [2024-11-17 04:42:49,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:49,572 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 173 transitions. [2024-11-17 04:42:49,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:42:49,572 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 173 transitions. [2024-11-17 04:42:49,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-17 04:42:49,573 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:49,573 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:49,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 04:42:49,573 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:49,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:49,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1272512820, now seen corresponding path program 1 times [2024-11-17 04:42:49,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:49,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253738542] [2024-11-17 04:42:49,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:49,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:49,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:49,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:49,712 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:49,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:49,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253738542] [2024-11-17 04:42:49,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253738542] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:42:49,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:42:49,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:42:49,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135099444] [2024-11-17 04:42:49,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:42:49,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:42:49,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:49,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:42:49,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:42:49,716 INFO L87 Difference]: Start difference. First operand 135 states and 173 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:42:49,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:49,905 INFO L93 Difference]: Finished difference Result 148 states and 178 transitions. [2024-11-17 04:42:49,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:42:49,906 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2024-11-17 04:42:49,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:49,907 INFO L225 Difference]: With dead ends: 148 [2024-11-17 04:42:49,908 INFO L226 Difference]: Without dead ends: 139 [2024-11-17 04:42:49,908 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:42:49,909 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 46 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:49,910 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 105 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:42:49,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-17 04:42:49,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 131. [2024-11-17 04:42:49,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 101 states have (on average 1.504950495049505) internal successors, (152), 122 states have internal predecessors, (152), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 04:42:49,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 164 transitions. [2024-11-17 04:42:49,928 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 164 transitions. Word has length 22 [2024-11-17 04:42:49,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:49,929 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 164 transitions. [2024-11-17 04:42:49,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:42:49,929 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 164 transitions. [2024-11-17 04:42:49,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-17 04:42:49,933 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:49,934 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:49,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 04:42:49,934 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:49,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:49,935 INFO L85 PathProgramCache]: Analyzing trace with hash 793191769, now seen corresponding path program 1 times [2024-11-17 04:42:49,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:49,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080369542] [2024-11-17 04:42:49,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:49,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:49,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:50,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:50,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:50,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:50,189 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 04:42:50,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:50,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080369542] [2024-11-17 04:42:50,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080369542] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:42:50,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058373402] [2024-11-17 04:42:50,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:50,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:50,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:50,195 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) [2024-11-17 04:42:50,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 04:42:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:50,252 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:42:50,254 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:42:50,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:50,416 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:42:50,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058373402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:42:50,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:42:50,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-17 04:42:50,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976467549] [2024-11-17 04:42:50,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:42:50,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:42:50,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:50,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:42:50,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:42:50,421 INFO L87 Difference]: Start difference. First operand 131 states and 164 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:42:50,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:50,566 INFO L93 Difference]: Finished difference Result 136 states and 170 transitions. [2024-11-17 04:42:50,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:42:50,567 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2024-11-17 04:42:50,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:50,569 INFO L225 Difference]: With dead ends: 136 [2024-11-17 04:42:50,569 INFO L226 Difference]: Without dead ends: 135 [2024-11-17 04:42:50,570 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:42:50,571 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 91 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:50,572 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 80 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:42:50,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-17 04:42:50,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 131. [2024-11-17 04:42:50,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 101 states have (on average 1.495049504950495) internal successors, (151), 122 states have internal predecessors, (151), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 04:42:50,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 163 transitions. [2024-11-17 04:42:50,590 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 163 transitions. Word has length 23 [2024-11-17 04:42:50,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:50,590 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 163 transitions. [2024-11-17 04:42:50,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:42:50,594 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 163 transitions. [2024-11-17 04:42:50,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-17 04:42:50,595 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:50,595 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:50,613 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-17 04:42:50,795 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,SelfDestructingSolverStorable5 [2024-11-17 04:42:50,796 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:50,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:50,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1180858926, now seen corresponding path program 1 times [2024-11-17 04:42:50,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:50,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961910084] [2024-11-17 04:42:50,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:50,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:42:50,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1233527379] [2024-11-17 04:42:50,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:50,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:50,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:50,816 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) [2024-11-17 04:42:50,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 04:42:50,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:50,852 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:42:50,854 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:42:50,942 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:50,943 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:42:50,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:50,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961910084] [2024-11-17 04:42:50,944 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:42:50,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233527379] [2024-11-17 04:42:50,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1233527379] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:42:50,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:42:50,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:42:50,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118552185] [2024-11-17 04:42:50,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:42:50,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:42:50,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:50,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:42:50,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:42:50,946 INFO L87 Difference]: Start difference. First operand 131 states and 163 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:42:51,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:51,066 INFO L93 Difference]: Finished difference Result 133 states and 164 transitions. [2024-11-17 04:42:51,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:42:51,066 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2024-11-17 04:42:51,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:51,068 INFO L225 Difference]: With dead ends: 133 [2024-11-17 04:42:51,068 INFO L226 Difference]: Without dead ends: 132 [2024-11-17 04:42:51,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:42:51,069 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 82 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:51,071 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 86 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:42:51,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-17 04:42:51,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 131. [2024-11-17 04:42:51,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 101 states have (on average 1.4851485148514851) internal successors, (150), 122 states have internal predecessors, (150), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 04:42:51,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 162 transitions. [2024-11-17 04:42:51,083 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 162 transitions. Word has length 24 [2024-11-17 04:42:51,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:51,083 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 162 transitions. [2024-11-17 04:42:51,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:42:51,083 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 162 transitions. [2024-11-17 04:42:51,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-17 04:42:51,084 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:51,085 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:51,102 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-17 04:42:51,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:51,289 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:51,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:51,290 INFO L85 PathProgramCache]: Analyzing trace with hash -2126440454, now seen corresponding path program 1 times [2024-11-17 04:42:51,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:51,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770114594] [2024-11-17 04:42:51,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:51,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:51,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:51,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:51,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:51,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:42:51,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:51,428 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 04:42:51,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:51,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770114594] [2024-11-17 04:42:51,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770114594] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:42:51,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669494540] [2024-11-17 04:42:51,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:51,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:51,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:51,433 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:42:51,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 04:42:51,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:51,482 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:42:51,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:42:51,541 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 04:42:51,542 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:42:51,642 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 04:42:51,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669494540] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:42:51,642 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:42:51,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-17 04:42:51,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931586053] [2024-11-17 04:42:51,643 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:42:51,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:42:51,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:51,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:42:51,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:42:51,644 INFO L87 Difference]: Start difference. First operand 131 states and 162 transitions. Second operand has 9 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:42:51,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:51,763 INFO L93 Difference]: Finished difference Result 211 states and 258 transitions. [2024-11-17 04:42:51,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:42:51,763 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 37 [2024-11-17 04:42:51,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:51,765 INFO L225 Difference]: With dead ends: 211 [2024-11-17 04:42:51,765 INFO L226 Difference]: Without dead ends: 209 [2024-11-17 04:42:51,766 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:42:51,767 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 177 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:51,767 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 255 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:42:51,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-17 04:42:51,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 187. [2024-11-17 04:42:51,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 155 states have (on average 1.4774193548387098) internal successors, (229), 176 states have internal predecessors, (229), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:42:51,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 245 transitions. [2024-11-17 04:42:51,790 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 245 transitions. Word has length 37 [2024-11-17 04:42:51,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:51,790 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 245 transitions. [2024-11-17 04:42:51,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:42:51,791 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 245 transitions. [2024-11-17 04:42:51,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-17 04:42:51,792 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:51,792 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:51,804 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 04:42:51,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:51,993 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:51,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:51,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1495144651, now seen corresponding path program 1 times [2024-11-17 04:42:51,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:51,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704974574] [2024-11-17 04:42:51,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:51,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:52,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:52,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:52,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:52,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:42:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:52,061 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:52,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:52,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704974574] [2024-11-17 04:42:52,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704974574] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:42:52,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:42:52,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:42:52,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020536884] [2024-11-17 04:42:52,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:42:52,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:42:52,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:52,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:42:52,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:42:52,065 INFO L87 Difference]: Start difference. First operand 187 states and 245 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:42:52,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:52,103 INFO L93 Difference]: Finished difference Result 197 states and 254 transitions. [2024-11-17 04:42:52,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:42:52,104 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2024-11-17 04:42:52,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:52,105 INFO L225 Difference]: With dead ends: 197 [2024-11-17 04:42:52,105 INFO L226 Difference]: Without dead ends: 195 [2024-11-17 04:42:52,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:42:52,106 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 88 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:52,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 82 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:42:52,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-17 04:42:52,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 185. [2024-11-17 04:42:52,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 155 states have (on average 1.4451612903225806) internal successors, (224), 174 states have internal predecessors, (224), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:42:52,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 240 transitions. [2024-11-17 04:42:52,121 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 240 transitions. Word has length 38 [2024-11-17 04:42:52,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:52,121 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 240 transitions. [2024-11-17 04:42:52,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:42:52,122 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 240 transitions. [2024-11-17 04:42:52,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-17 04:42:52,123 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:52,123 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:52,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-17 04:42:52,123 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:52,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:52,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1251512535, now seen corresponding path program 1 times [2024-11-17 04:42:52,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:52,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428004254] [2024-11-17 04:42:52,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:52,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:52,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:52,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:52,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:52,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:42:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:52,213 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:52,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:52,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428004254] [2024-11-17 04:42:52,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428004254] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:42:52,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672007311] [2024-11-17 04:42:52,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:52,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:52,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:52,219 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) [2024-11-17 04:42:52,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 04:42:52,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:52,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:42:52,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:42:52,328 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:52,329 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:42:52,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [672007311] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:42:52,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:42:52,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-17 04:42:52,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334033167] [2024-11-17 04:42:52,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:42:52,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:42:52,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:52,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:42:52,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:42:52,331 INFO L87 Difference]: Start difference. First operand 185 states and 240 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:42:52,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:52,362 INFO L93 Difference]: Finished difference Result 185 states and 240 transitions. [2024-11-17 04:42:52,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:42:52,362 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 41 [2024-11-17 04:42:52,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:52,363 INFO L225 Difference]: With dead ends: 185 [2024-11-17 04:42:52,364 INFO L226 Difference]: Without dead ends: 184 [2024-11-17 04:42:52,364 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:42:52,365 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 46 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:52,365 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 178 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:42:52,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-17 04:42:52,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2024-11-17 04:42:52,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 155 states have (on average 1.4129032258064516) internal successors, (219), 173 states have internal predecessors, (219), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:42:52,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 235 transitions. [2024-11-17 04:42:52,374 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 235 transitions. Word has length 41 [2024-11-17 04:42:52,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:52,374 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 235 transitions. [2024-11-17 04:42:52,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:42:52,375 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 235 transitions. [2024-11-17 04:42:52,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-17 04:42:52,375 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:52,376 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:52,392 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-17 04:42:52,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-17 04:42:52,577 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:52,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:52,577 INFO L85 PathProgramCache]: Analyzing trace with hash 142182947, now seen corresponding path program 1 times [2024-11-17 04:42:52,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:52,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970371146] [2024-11-17 04:42:52,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:52,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:52,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:52,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:52,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:52,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:42:52,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:52,666 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:52,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:52,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970371146] [2024-11-17 04:42:52,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970371146] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:42:52,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2075243746] [2024-11-17 04:42:52,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:52,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:52,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:52,669 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) [2024-11-17 04:42:52,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 04:42:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:52,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:42:52,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:42:52,782 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:52,782 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:42:52,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2075243746] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:42:52,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:42:52,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-17 04:42:52,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479375965] [2024-11-17 04:42:52,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:42:52,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:42:52,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:52,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:42:52,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:42:52,787 INFO L87 Difference]: Start difference. First operand 184 states and 235 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:42:52,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:52,836 INFO L93 Difference]: Finished difference Result 194 states and 244 transitions. [2024-11-17 04:42:52,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:42:52,836 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 42 [2024-11-17 04:42:52,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:52,837 INFO L225 Difference]: With dead ends: 194 [2024-11-17 04:42:52,838 INFO L226 Difference]: Without dead ends: 193 [2024-11-17 04:42:52,838 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:42:52,838 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 45 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:52,839 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 199 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:42:52,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-11-17 04:42:52,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 183. [2024-11-17 04:42:52,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 155 states have (on average 1.3806451612903226) internal successors, (214), 172 states have internal predecessors, (214), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:42:52,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 230 transitions. [2024-11-17 04:42:52,851 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 230 transitions. Word has length 42 [2024-11-17 04:42:52,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:52,853 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 230 transitions. [2024-11-17 04:42:52,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:42:52,853 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 230 transitions. [2024-11-17 04:42:52,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-17 04:42:52,854 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:52,854 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:52,874 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-17 04:42:53,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:53,055 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:53,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:53,056 INFO L85 PathProgramCache]: Analyzing trace with hash 934444939, now seen corresponding path program 1 times [2024-11-17 04:42:53,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:53,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944241461] [2024-11-17 04:42:53,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:53,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:53,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:53,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:53,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:53,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:42:53,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:53,148 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:53,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:53,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944241461] [2024-11-17 04:42:53,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944241461] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:42:53,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491219935] [2024-11-17 04:42:53,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:53,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:53,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:53,151 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) [2024-11-17 04:42:53,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 04:42:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:53,193 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:42:53,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:42:53,271 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:53,271 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:42:53,353 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:53,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1491219935] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:42:53,353 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:42:53,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 13 [2024-11-17 04:42:53,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966564933] [2024-11-17 04:42:53,353 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:42:53,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-17 04:42:53,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:53,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-17 04:42:53,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:42:53,355 INFO L87 Difference]: Start difference. First operand 183 states and 230 transitions. Second operand has 13 states, 13 states have (on average 6.076923076923077) internal successors, (79), 13 states have internal predecessors, (79), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-17 04:42:53,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:53,476 INFO L93 Difference]: Finished difference Result 340 states and 397 transitions. [2024-11-17 04:42:53,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-17 04:42:53,477 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.076923076923077) internal successors, (79), 13 states have internal predecessors, (79), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 45 [2024-11-17 04:42:53,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:53,479 INFO L225 Difference]: With dead ends: 340 [2024-11-17 04:42:53,479 INFO L226 Difference]: Without dead ends: 328 [2024-11-17 04:42:53,480 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2024-11-17 04:42:53,480 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 158 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:53,481 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 417 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:42:53,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2024-11-17 04:42:53,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 286. [2024-11-17 04:42:53,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 252 states have (on average 1.3531746031746033) internal successors, (341), 269 states have internal predecessors, (341), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-17 04:42:53,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 363 transitions. [2024-11-17 04:42:53,500 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 363 transitions. Word has length 45 [2024-11-17 04:42:53,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:53,501 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 363 transitions. [2024-11-17 04:42:53,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.076923076923077) internal successors, (79), 13 states have internal predecessors, (79), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-17 04:42:53,501 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 363 transitions. [2024-11-17 04:42:53,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-17 04:42:53,502 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:53,502 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:53,522 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-17 04:42:53,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:53,703 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:53,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:53,703 INFO L85 PathProgramCache]: Analyzing trace with hash 934445011, now seen corresponding path program 1 times [2024-11-17 04:42:53,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:53,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925438916] [2024-11-17 04:42:53,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:53,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:42:53,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [833825962] [2024-11-17 04:42:53,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:53,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:53,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:53,718 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) [2024-11-17 04:42:53,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 04:42:53,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:53,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:42:53,765 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:42:53,939 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:53,940 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:42:54,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:54,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925438916] [2024-11-17 04:42:54,113 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:42:54,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833825962] [2024-11-17 04:42:54,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833825962] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:42:54,113 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:42:54,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-17 04:42:54,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255820367] [2024-11-17 04:42:54,114 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:42:54,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:42:54,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:54,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:42:54,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:42:54,115 INFO L87 Difference]: Start difference. First operand 286 states and 363 transitions. Second operand has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:42:54,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:54,252 INFO L93 Difference]: Finished difference Result 296 states and 369 transitions. [2024-11-17 04:42:54,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:42:54,252 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45 [2024-11-17 04:42:54,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:54,254 INFO L225 Difference]: With dead ends: 296 [2024-11-17 04:42:54,254 INFO L226 Difference]: Without dead ends: 289 [2024-11-17 04:42:54,255 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:42:54,256 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 74 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:54,257 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 88 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:42:54,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-11-17 04:42:54,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 282. [2024-11-17 04:42:54,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 253 states have (on average 1.2648221343873518) internal successors, (320), 265 states have internal predecessors, (320), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-17 04:42:54,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 342 transitions. [2024-11-17 04:42:54,271 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 342 transitions. Word has length 45 [2024-11-17 04:42:54,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:54,271 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 342 transitions. [2024-11-17 04:42:54,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:42:54,271 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 342 transitions. [2024-11-17 04:42:54,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-17 04:42:54,275 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:54,275 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:54,293 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-17 04:42:54,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-17 04:42:54,480 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:54,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:54,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1096975712, now seen corresponding path program 1 times [2024-11-17 04:42:54,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:54,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778068548] [2024-11-17 04:42:54,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:54,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:54,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:42:54,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1600924974] [2024-11-17 04:42:54,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:54,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:54,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:54,497 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) [2024-11-17 04:42:54,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-17 04:42:54,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:54,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:42:54,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:42:54,725 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:54,726 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:42:55,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:55,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778068548] [2024-11-17 04:42:55,159 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:42:55,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1600924974] [2024-11-17 04:42:55,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1600924974] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:42:55,159 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:42:55,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-17 04:42:55,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745145185] [2024-11-17 04:42:55,159 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:42:55,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:42:55,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:55,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:42:55,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:42:55,161 INFO L87 Difference]: Start difference. First operand 282 states and 342 transitions. Second operand has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:42:55,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:55,372 INFO L93 Difference]: Finished difference Result 387 states and 467 transitions. [2024-11-17 04:42:55,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:42:55,373 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 46 [2024-11-17 04:42:55,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:55,374 INFO L225 Difference]: With dead ends: 387 [2024-11-17 04:42:55,375 INFO L226 Difference]: Without dead ends: 382 [2024-11-17 04:42:55,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:42:55,376 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 80 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:55,376 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 164 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:42:55,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-11-17 04:42:55,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 361. [2024-11-17 04:42:55,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 329 states have (on average 1.2462006079027355) internal successors, (410), 341 states have internal predecessors, (410), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-17 04:42:55,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 438 transitions. [2024-11-17 04:42:55,391 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 438 transitions. Word has length 46 [2024-11-17 04:42:55,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:55,391 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 438 transitions. [2024-11-17 04:42:55,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:42:55,392 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 438 transitions. [2024-11-17 04:42:55,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-17 04:42:55,393 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:55,393 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:55,410 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-17 04:42:55,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-17 04:42:55,594 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:55,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:55,594 INFO L85 PathProgramCache]: Analyzing trace with hash 102733682, now seen corresponding path program 1 times [2024-11-17 04:42:55,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:55,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250891833] [2024-11-17 04:42:55,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:55,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:55,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:55,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:55,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:55,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:55,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:42:55,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:55,657 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:55,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:55,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250891833] [2024-11-17 04:42:55,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250891833] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:42:55,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639119401] [2024-11-17 04:42:55,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:55,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:55,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:55,659 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) [2024-11-17 04:42:55,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-17 04:42:55,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:55,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:42:55,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:42:55,831 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:55,831 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:42:55,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639119401] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:42:55,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:42:55,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-17 04:42:55,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541604214] [2024-11-17 04:42:55,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:42:55,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:42:55,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:55,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:42:55,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:42:55,833 INFO L87 Difference]: Start difference. First operand 361 states and 438 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:42:55,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:55,944 INFO L93 Difference]: Finished difference Result 364 states and 441 transitions. [2024-11-17 04:42:55,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:42:55,944 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 47 [2024-11-17 04:42:55,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:55,946 INFO L225 Difference]: With dead ends: 364 [2024-11-17 04:42:55,946 INFO L226 Difference]: Without dead ends: 362 [2024-11-17 04:42:55,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:42:55,947 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 41 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:55,948 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 76 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:42:55,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-17 04:42:55,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 356. [2024-11-17 04:42:55,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 326 states have (on average 1.2361963190184049) internal successors, (403), 336 states have internal predecessors, (403), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-17 04:42:55,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 431 transitions. [2024-11-17 04:42:55,963 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 431 transitions. Word has length 47 [2024-11-17 04:42:55,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:55,963 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 431 transitions. [2024-11-17 04:42:55,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:42:55,963 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 431 transitions. [2024-11-17 04:42:55,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-17 04:42:55,964 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:55,964 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:55,980 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-17 04:42:56,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-17 04:42:56,165 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:56,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:56,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1110223139, now seen corresponding path program 1 times [2024-11-17 04:42:56,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:56,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793904513] [2024-11-17 04:42:56,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:56,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:56,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:56,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:56,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:56,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:56,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:42:56,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:56,324 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 04:42:56,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:56,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793904513] [2024-11-17 04:42:56,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793904513] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:42:56,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865656715] [2024-11-17 04:42:56,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:56,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:56,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:56,326 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) [2024-11-17 04:42:56,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-17 04:42:56,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:56,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:42:56,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:42:56,478 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:56,478 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:42:56,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865656715] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:42:56,665 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:42:56,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 3] total 11 [2024-11-17 04:42:56,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532700117] [2024-11-17 04:42:56,665 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:42:56,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 04:42:56,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:56,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 04:42:56,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:42:56,667 INFO L87 Difference]: Start difference. First operand 356 states and 431 transitions. Second operand has 12 states, 11 states have (on average 6.636363636363637) internal successors, (73), 11 states have internal predecessors, (73), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-17 04:42:57,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:57,173 INFO L93 Difference]: Finished difference Result 379 states and 446 transitions. [2024-11-17 04:42:57,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-17 04:42:57,174 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.636363636363637) internal successors, (73), 11 states have internal predecessors, (73), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 48 [2024-11-17 04:42:57,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:57,176 INFO L225 Difference]: With dead ends: 379 [2024-11-17 04:42:57,176 INFO L226 Difference]: Without dead ends: 360 [2024-11-17 04:42:57,176 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=468, Unknown=0, NotChecked=0, Total=650 [2024-11-17 04:42:57,177 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 157 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:57,177 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 196 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:42:57,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-11-17 04:42:57,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 341. [2024-11-17 04:42:57,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 311 states have (on average 1.1832797427652733) internal successors, (368), 322 states have internal predecessors, (368), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-17 04:42:57,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 396 transitions. [2024-11-17 04:42:57,192 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 396 transitions. Word has length 48 [2024-11-17 04:42:57,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:57,192 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 396 transitions. [2024-11-17 04:42:57,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.636363636363637) internal successors, (73), 11 states have internal predecessors, (73), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-17 04:42:57,193 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 396 transitions. [2024-11-17 04:42:57,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-17 04:42:57,193 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:57,193 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:57,211 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-17 04:42:57,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-17 04:42:57,394 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:57,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:57,395 INFO L85 PathProgramCache]: Analyzing trace with hash 402735887, now seen corresponding path program 1 times [2024-11-17 04:42:57,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:57,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222722629] [2024-11-17 04:42:57,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:57,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:57,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:57,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:42:57,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:57,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:42:57,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:57,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:42:57,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:57,583 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 04:42:57,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:57,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222722629] [2024-11-17 04:42:57,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222722629] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:42:57,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319961071] [2024-11-17 04:42:57,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:57,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:57,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:57,585 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) [2024-11-17 04:42:57,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-17 04:42:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:57,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 04:42:57,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:42:57,783 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 04:42:57,783 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:42:58,085 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 04:42:58,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319961071] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:42:58,086 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:42:58,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2024-11-17 04:42:58,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036070450] [2024-11-17 04:42:58,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:42:58,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-17 04:42:58,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:58,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-17 04:42:58,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-11-17 04:42:58,088 INFO L87 Difference]: Start difference. First operand 341 states and 396 transitions. Second operand has 17 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 04:42:58,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:58,736 INFO L93 Difference]: Finished difference Result 349 states and 401 transitions. [2024-11-17 04:42:58,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-17 04:42:58,737 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 49 [2024-11-17 04:42:58,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:58,740 INFO L225 Difference]: With dead ends: 349 [2024-11-17 04:42:58,741 INFO L226 Difference]: Without dead ends: 346 [2024-11-17 04:42:58,741 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 90 SyntacticMatches, 5 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=159, Invalid=491, Unknown=0, NotChecked=0, Total=650 [2024-11-17 04:42:58,742 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 190 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:58,742 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 182 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:42:58,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-17 04:42:58,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 338. [2024-11-17 04:42:58,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 311 states have (on average 1.1286173633440515) internal successors, (351), 319 states have internal predecessors, (351), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-17 04:42:58,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 379 transitions. [2024-11-17 04:42:58,758 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 379 transitions. Word has length 49 [2024-11-17 04:42:58,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:58,759 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 379 transitions. [2024-11-17 04:42:58,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 04:42:58,759 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 379 transitions. [2024-11-17 04:42:58,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-17 04:42:58,760 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:58,760 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:58,776 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-17 04:42:58,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-17 04:42:58,961 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:42:58,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:42:58,961 INFO L85 PathProgramCache]: Analyzing trace with hash -400089380, now seen corresponding path program 1 times [2024-11-17 04:42:58,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:42:58,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442738652] [2024-11-17 04:42:58,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:58,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:42:58,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:42:58,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [337619630] [2024-11-17 04:42:58,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:42:58,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:42:58,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:42:58,974 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) [2024-11-17 04:42:58,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-17 04:42:59,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:42:59,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-17 04:42:59,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:42:59,226 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:59,226 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:42:59,332 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:42:59,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:42:59,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442738652] [2024-11-17 04:42:59,332 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:42:59,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [337619630] [2024-11-17 04:42:59,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [337619630] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:42:59,333 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:42:59,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-17 04:42:59,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943057672] [2024-11-17 04:42:59,333 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:42:59,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 04:42:59,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:42:59,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 04:42:59,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:42:59,334 INFO L87 Difference]: Start difference. First operand 338 states and 379 transitions. Second operand has 11 states, 10 states have (on average 7.4) internal successors, (74), 11 states have internal predecessors, (74), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 04:42:59,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:42:59,815 INFO L93 Difference]: Finished difference Result 453 states and 508 transitions. [2024-11-17 04:42:59,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 04:42:59,816 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.4) internal successors, (74), 11 states have internal predecessors, (74), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 50 [2024-11-17 04:42:59,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:42:59,817 INFO L225 Difference]: With dead ends: 453 [2024-11-17 04:42:59,817 INFO L226 Difference]: Without dead ends: 315 [2024-11-17 04:42:59,818 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 88 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2024-11-17 04:42:59,818 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 137 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:42:59,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 126 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:42:59,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-11-17 04:42:59,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 313. [2024-11-17 04:42:59,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 288 states have (on average 1.09375) internal successors, (315), 295 states have internal predecessors, (315), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-17 04:42:59,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 341 transitions. [2024-11-17 04:42:59,834 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 341 transitions. Word has length 50 [2024-11-17 04:42:59,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:42:59,834 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 341 transitions. [2024-11-17 04:42:59,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.4) internal successors, (74), 11 states have internal predecessors, (74), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 04:42:59,834 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 341 transitions. [2024-11-17 04:42:59,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-17 04:42:59,835 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:42:59,835 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:42:59,852 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:00,039 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,SelfDestructingSolverStorable17 [2024-11-17 04:43:00,040 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:43:00,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:00,040 INFO L85 PathProgramCache]: Analyzing trace with hash -85045206, now seen corresponding path program 2 times [2024-11-17 04:43:00,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:00,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245291521] [2024-11-17 04:43:00,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:00,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:00,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [828458383] [2024-11-17 04:43:00,059 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:43:00,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:00,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:00,061 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) [2024-11-17 04:43:00,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-17 04:43:00,116 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:43:00,116 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:00,117 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 04:43:00,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:00,270 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-17 04:43:00,270 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:00,616 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-17 04:43:00,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:00,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245291521] [2024-11-17 04:43:00,617 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:00,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828458383] [2024-11-17 04:43:00,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [828458383] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:00,617 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:43:00,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-17 04:43:00,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961172837] [2024-11-17 04:43:00,618 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:00,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:43:00,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:00,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:43:00,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:43:00,619 INFO L87 Difference]: Start difference. First operand 313 states and 341 transitions. Second operand has 10 states, 9 states have (on average 12.0) internal successors, (108), 10 states have internal predecessors, (108), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:43:01,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:01,444 INFO L93 Difference]: Finished difference Result 507 states and 572 transitions. [2024-11-17 04:43:01,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 04:43:01,444 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 12.0) internal successors, (108), 10 states have internal predecessors, (108), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 72 [2024-11-17 04:43:01,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:01,446 INFO L225 Difference]: With dead ends: 507 [2024-11-17 04:43:01,446 INFO L226 Difference]: Without dead ends: 494 [2024-11-17 04:43:01,447 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:43:01,447 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 187 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:01,448 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 327 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:43:01,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2024-11-17 04:43:01,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 449. [2024-11-17 04:43:01,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 418 states have (on average 1.1100478468899522) internal successors, (464), 425 states have internal predecessors, (464), 19 states have call successors, (19), 5 states have call predecessors, (19), 5 states have return successors, (19), 18 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-17 04:43:01,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 502 transitions. [2024-11-17 04:43:01,470 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 502 transitions. Word has length 72 [2024-11-17 04:43:01,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:01,471 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 502 transitions. [2024-11-17 04:43:01,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 12.0) internal successors, (108), 10 states have internal predecessors, (108), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:43:01,471 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 502 transitions. [2024-11-17 04:43:01,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-17 04:43:01,473 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:01,473 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:01,493 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-17 04:43:01,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:01,674 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:43:01,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:01,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1091124918, now seen corresponding path program 1 times [2024-11-17 04:43:01,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:01,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943745363] [2024-11-17 04:43:01,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:01,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:01,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:01,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:01,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:01,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:43:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:01,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-17 04:43:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:01,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-17 04:43:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:01,771 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-17 04:43:01,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:01,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943745363] [2024-11-17 04:43:01,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943745363] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:01,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251567176] [2024-11-17 04:43:01,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:01,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:01,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:01,774 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:01,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-17 04:43:01,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:01,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:43:01,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:01,898 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-17 04:43:01,898 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:01,991 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-17 04:43:01,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251567176] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:01,991 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:43:01,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-11-17 04:43:01,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930847180] [2024-11-17 04:43:01,992 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:01,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:43:01,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:01,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:43:01,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:43:01,993 INFO L87 Difference]: Start difference. First operand 449 states and 502 transitions. Second operand has 9 states, 8 states have (on average 17.625) internal successors, (141), 9 states have internal predecessors, (141), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2024-11-17 04:43:02,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:02,155 INFO L93 Difference]: Finished difference Result 1163 states and 1394 transitions. [2024-11-17 04:43:02,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:43:02,156 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 17.625) internal successors, (141), 9 states have internal predecessors, (141), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) Word has length 84 [2024-11-17 04:43:02,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:02,163 INFO L225 Difference]: With dead ends: 1163 [2024-11-17 04:43:02,163 INFO L226 Difference]: Without dead ends: 1161 [2024-11-17 04:43:02,164 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:43:02,165 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 57 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:02,165 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 184 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:43:02,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2024-11-17 04:43:02,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 1141. [2024-11-17 04:43:02,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1141 states, 1078 states have (on average 1.1150278293135436) internal successors, (1202), 1083 states have internal predecessors, (1202), 52 states have call successors, (52), 5 states have call predecessors, (52), 5 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-17 04:43:02,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 1141 states and 1306 transitions. [2024-11-17 04:43:02,235 INFO L78 Accepts]: Start accepts. Automaton has 1141 states and 1306 transitions. Word has length 84 [2024-11-17 04:43:02,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:02,236 INFO L471 AbstractCegarLoop]: Abstraction has 1141 states and 1306 transitions. [2024-11-17 04:43:02,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 17.625) internal successors, (141), 9 states have internal predecessors, (141), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2024-11-17 04:43:02,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 1306 transitions. [2024-11-17 04:43:02,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-17 04:43:02,237 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:02,237 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-17 04:43:02,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:02,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:02,444 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:43:02,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:02,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1949993871, now seen corresponding path program 1 times [2024-11-17 04:43:02,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:02,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003709866] [2024-11-17 04:43:02,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:02,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:02,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:02,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:02,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:43:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:02,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-17 04:43:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:02,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-17 04:43:02,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:02,569 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 62 proven. 16 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-17 04:43:02,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:02,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003709866] [2024-11-17 04:43:02,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003709866] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:02,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [350152653] [2024-11-17 04:43:02,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:02,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:02,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:02,572 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:02,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-17 04:43:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:02,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:43:02,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:02,736 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 62 proven. 16 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-17 04:43:02,736 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:02,845 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 27 proven. 51 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-17 04:43:02,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [350152653] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:02,845 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:43:02,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2024-11-17 04:43:02,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823423965] [2024-11-17 04:43:02,846 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:02,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:43:02,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:02,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:43:02,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:43:02,847 INFO L87 Difference]: Start difference. First operand 1141 states and 1306 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:43:02,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:02,943 INFO L93 Difference]: Finished difference Result 1407 states and 1604 transitions. [2024-11-17 04:43:02,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:43:02,943 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 100 [2024-11-17 04:43:02,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:02,947 INFO L225 Difference]: With dead ends: 1407 [2024-11-17 04:43:02,947 INFO L226 Difference]: Without dead ends: 788 [2024-11-17 04:43:02,949 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:43:02,949 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 17 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:02,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 145 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:43:02,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2024-11-17 04:43:02,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 785. [2024-11-17 04:43:02,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 785 states, 739 states have (on average 1.0960757780784844) internal successors, (810), 744 states have internal predecessors, (810), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-17 04:43:02,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 880 transitions. [2024-11-17 04:43:02,987 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 880 transitions. Word has length 100 [2024-11-17 04:43:02,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:02,987 INFO L471 AbstractCegarLoop]: Abstraction has 785 states and 880 transitions. [2024-11-17 04:43:02,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:43:02,987 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 880 transitions. [2024-11-17 04:43:02,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-17 04:43:02,988 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:02,989 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-17 04:43:03,006 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:03,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:03,190 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:43:03,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:03,190 INFO L85 PathProgramCache]: Analyzing trace with hash 720237840, now seen corresponding path program 2 times [2024-11-17 04:43:03,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:03,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350442865] [2024-11-17 04:43:03,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:03,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:03,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:03,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:03,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:43:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:03,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-17 04:43:03,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:03,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-17 04:43:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:03,346 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 6 proven. 81 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-17 04:43:03,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:03,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350442865] [2024-11-17 04:43:03,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350442865] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:03,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864253725] [2024-11-17 04:43:03,348 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:43:03,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:03,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:03,350 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:03,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-17 04:43:03,403 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:43:03,403 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:03,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-17 04:43:03,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:03,625 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 42 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-17 04:43:03,625 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:03,877 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-17 04:43:03,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1864253725] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:03,878 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:43:03,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 18 [2024-11-17 04:43:03,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559139810] [2024-11-17 04:43:03,878 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:03,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-17 04:43:03,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:03,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-17 04:43:03,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2024-11-17 04:43:03,880 INFO L87 Difference]: Start difference. First operand 785 states and 880 transitions. Second operand has 19 states, 18 states have (on average 7.777777777777778) internal successors, (140), 18 states have internal predecessors, (140), 8 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) [2024-11-17 04:43:04,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:04,839 INFO L93 Difference]: Finished difference Result 799 states and 894 transitions. [2024-11-17 04:43:04,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-17 04:43:04,840 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 7.777777777777778) internal successors, (140), 18 states have internal predecessors, (140), 8 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) Word has length 100 [2024-11-17 04:43:04,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:04,842 INFO L225 Difference]: With dead ends: 799 [2024-11-17 04:43:04,843 INFO L226 Difference]: Without dead ends: 789 [2024-11-17 04:43:04,844 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 191 SyntacticMatches, 7 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 741 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=675, Invalid=2187, Unknown=0, NotChecked=0, Total=2862 [2024-11-17 04:43:04,844 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 233 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:04,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 316 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:43:04,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2024-11-17 04:43:04,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 779. [2024-11-17 04:43:04,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 779 states, 735 states have (on average 1.0489795918367346) internal successors, (771), 738 states have internal predecessors, (771), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-17 04:43:04,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 841 transitions. [2024-11-17 04:43:04,892 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 841 transitions. Word has length 100 [2024-11-17 04:43:04,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:04,892 INFO L471 AbstractCegarLoop]: Abstraction has 779 states and 841 transitions. [2024-11-17 04:43:04,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 7.777777777777778) internal successors, (140), 18 states have internal predecessors, (140), 8 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) [2024-11-17 04:43:04,892 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 841 transitions. [2024-11-17 04:43:04,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-17 04:43:04,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:04,893 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:04,910 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:05,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:05,094 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:43:05,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:05,095 INFO L85 PathProgramCache]: Analyzing trace with hash 212705342, now seen corresponding path program 1 times [2024-11-17 04:43:05,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:05,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460547634] [2024-11-17 04:43:05,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:05,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:05,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:05,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:05,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:05,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:05,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:43:05,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:05,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-17 04:43:05,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:05,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-17 04:43:05,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:05,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-17 04:43:05,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:05,187 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-17 04:43:05,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:05,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460547634] [2024-11-17 04:43:05,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460547634] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:05,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982322849] [2024-11-17 04:43:05,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:05,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:05,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:05,190 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:05,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-17 04:43:05,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:05,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:43:05,250 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:05,341 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-17 04:43:05,341 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:05,478 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-17 04:43:05,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1982322849] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:05,478 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:43:05,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-17 04:43:05,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632396894] [2024-11-17 04:43:05,478 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:05,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 04:43:05,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:05,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 04:43:05,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:43:05,480 INFO L87 Difference]: Start difference. First operand 779 states and 841 transitions. Second operand has 11 states, 10 states have (on average 18.9) internal successors, (189), 11 states have internal predecessors, (189), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-17 04:43:05,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:05,668 INFO L93 Difference]: Finished difference Result 1861 states and 2040 transitions. [2024-11-17 04:43:05,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 04:43:05,669 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 18.9) internal successors, (189), 11 states have internal predecessors, (189), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) Word has length 113 [2024-11-17 04:43:05,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:05,677 INFO L225 Difference]: With dead ends: 1861 [2024-11-17 04:43:05,677 INFO L226 Difference]: Without dead ends: 1860 [2024-11-17 04:43:05,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:43:05,679 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 141 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:05,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 244 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:43:05,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1860 states. [2024-11-17 04:43:05,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1860 to 1840. [2024-11-17 04:43:05,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1840 states, 1748 states have (on average 1.05720823798627) internal successors, (1848), 1751 states have internal predecessors, (1848), 83 states have call successors, (83), 5 states have call predecessors, (83), 5 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-17 04:43:05,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 1840 states and 2014 transitions. [2024-11-17 04:43:05,778 INFO L78 Accepts]: Start accepts. Automaton has 1840 states and 2014 transitions. Word has length 113 [2024-11-17 04:43:05,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:05,778 INFO L471 AbstractCegarLoop]: Abstraction has 1840 states and 2014 transitions. [2024-11-17 04:43:05,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 18.9) internal successors, (189), 11 states have internal predecessors, (189), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-17 04:43:05,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1840 states and 2014 transitions. [2024-11-17 04:43:05,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-17 04:43:05,780 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:05,780 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:05,798 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-17 04:43:05,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:05,981 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:43:05,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:05,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1596865660, now seen corresponding path program 1 times [2024-11-17 04:43:05,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:05,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709148435] [2024-11-17 04:43:05,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:05,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:05,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:06,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:06,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:06,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:06,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:06,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:43:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:06,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-17 04:43:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:06,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-17 04:43:06,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:06,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-17 04:43:06,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:06,088 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 91 proven. 32 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-17 04:43:06,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:06,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709148435] [2024-11-17 04:43:06,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709148435] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:06,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025254187] [2024-11-17 04:43:06,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:06,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:06,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:06,092 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:06,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-17 04:43:06,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:06,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:43:06,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:06,250 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 103 proven. 32 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-17 04:43:06,250 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:06,354 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 91 proven. 32 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-17 04:43:06,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2025254187] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:06,356 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:43:06,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-11-17 04:43:06,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243846687] [2024-11-17 04:43:06,359 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:06,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:43:06,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:06,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:43:06,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:43:06,361 INFO L87 Difference]: Start difference. First operand 1840 states and 2014 transitions. Second operand has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 9 states have internal predecessors, (150), 8 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) [2024-11-17 04:43:06,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:06,610 INFO L93 Difference]: Finished difference Result 1930 states and 2109 transitions. [2024-11-17 04:43:06,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:43:06,611 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 9 states have internal predecessors, (150), 8 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) Word has length 124 [2024-11-17 04:43:06,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:06,616 INFO L225 Difference]: With dead ends: 1930 [2024-11-17 04:43:06,617 INFO L226 Difference]: Without dead ends: 1752 [2024-11-17 04:43:06,617 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 254 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:43:06,618 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 48 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:06,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 313 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:43:06,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1752 states. [2024-11-17 04:43:06,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1752 to 1748. [2024-11-17 04:43:06,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1748 states, 1659 states have (on average 1.0500301386377335) internal successors, (1742), 1662 states have internal predecessors, (1742), 80 states have call successors, (80), 5 states have call predecessors, (80), 5 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-17 04:43:06,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1748 states to 1748 states and 1902 transitions. [2024-11-17 04:43:06,692 INFO L78 Accepts]: Start accepts. Automaton has 1748 states and 1902 transitions. Word has length 124 [2024-11-17 04:43:06,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:06,692 INFO L471 AbstractCegarLoop]: Abstraction has 1748 states and 1902 transitions. [2024-11-17 04:43:06,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 9 states have internal predecessors, (150), 8 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) [2024-11-17 04:43:06,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1748 states and 1902 transitions. [2024-11-17 04:43:06,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-17 04:43:06,694 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:06,694 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:06,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:06,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:06,895 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:43:06,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:06,895 INFO L85 PathProgramCache]: Analyzing trace with hash -329934716, now seen corresponding path program 2 times [2024-11-17 04:43:06,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:06,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583006503] [2024-11-17 04:43:06,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:06,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:07,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:07,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:07,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:07,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:43:07,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:07,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-17 04:43:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:07,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-17 04:43:07,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:07,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-17 04:43:07,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:07,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-17 04:43:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:07,060 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 69 proven. 140 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-17 04:43:07,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:07,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583006503] [2024-11-17 04:43:07,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583006503] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:07,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1830850018] [2024-11-17 04:43:07,061 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:43:07,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:07,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:07,063 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:07,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-17 04:43:07,121 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:43:07,121 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:07,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 04:43:07,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:07,383 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 249 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:43:07,384 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:07,704 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 209 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-17 04:43:07,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1830850018] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:07,705 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:43:07,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 13, 14] total 32 [2024-11-17 04:43:07,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966099368] [2024-11-17 04:43:07,705 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:07,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-17 04:43:07,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:07,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-17 04:43:07,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=795, Unknown=0, NotChecked=0, Total=992 [2024-11-17 04:43:07,707 INFO L87 Difference]: Start difference. First operand 1748 states and 1902 transitions. Second operand has 32 states, 32 states have (on average 11.40625) internal successors, (365), 32 states have internal predecessors, (365), 18 states have call successors, (21), 7 states have call predecessors, (21), 7 states have return successors, (21), 18 states have call predecessors, (21), 18 states have call successors, (21) [2024-11-17 04:43:11,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:11,582 INFO L93 Difference]: Finished difference Result 6109 states and 6630 transitions. [2024-11-17 04:43:11,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2024-11-17 04:43:11,583 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 11.40625) internal successors, (365), 32 states have internal predecessors, (365), 18 states have call successors, (21), 7 states have call predecessors, (21), 7 states have return successors, (21), 18 states have call predecessors, (21), 18 states have call successors, (21) Word has length 150 [2024-11-17 04:43:11,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:11,602 INFO L225 Difference]: With dead ends: 6109 [2024-11-17 04:43:11,602 INFO L226 Difference]: Without dead ends: 5026 [2024-11-17 04:43:11,616 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 202 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16442 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=5428, Invalid=35984, Unknown=0, NotChecked=0, Total=41412 [2024-11-17 04:43:11,617 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 1225 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 1749 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1225 SdHoareTripleChecker+Valid, 762 SdHoareTripleChecker+Invalid, 1841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 1749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:11,617 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1225 Valid, 762 Invalid, 1841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 1749 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-17 04:43:11,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5026 states. [2024-11-17 04:43:11,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5026 to 4125. [2024-11-17 04:43:11,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4125 states, 3925 states have (on average 1.0415286624203821) internal successors, (4088), 3938 states have internal predecessors, (4088), 183 states have call successors, (183), 13 states have call predecessors, (183), 13 states have return successors, (183), 173 states have call predecessors, (183), 183 states have call successors, (183) [2024-11-17 04:43:11,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4125 states to 4125 states and 4454 transitions. [2024-11-17 04:43:11,820 INFO L78 Accepts]: Start accepts. Automaton has 4125 states and 4454 transitions. Word has length 150 [2024-11-17 04:43:11,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:11,821 INFO L471 AbstractCegarLoop]: Abstraction has 4125 states and 4454 transitions. [2024-11-17 04:43:11,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 11.40625) internal successors, (365), 32 states have internal predecessors, (365), 18 states have call successors, (21), 7 states have call predecessors, (21), 7 states have return successors, (21), 18 states have call predecessors, (21), 18 states have call successors, (21) [2024-11-17 04:43:11,822 INFO L276 IsEmpty]: Start isEmpty. Operand 4125 states and 4454 transitions. [2024-11-17 04:43:11,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-17 04:43:11,824 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:11,824 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:11,841 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-17 04:43:12,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-17 04:43:12,029 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:43:12,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:12,029 INFO L85 PathProgramCache]: Analyzing trace with hash 908964178, now seen corresponding path program 3 times [2024-11-17 04:43:12,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:12,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736555834] [2024-11-17 04:43:12,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:12,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:12,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:12,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1932006662] [2024-11-17 04:43:12,078 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:43:12,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:12,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:12,080 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:12,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-17 04:43:12,135 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-17 04:43:12,135 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:12,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:43:12,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:12,207 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 154 proven. 10 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2024-11-17 04:43:12,208 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:13,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:13,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736555834] [2024-11-17 04:43:13,020 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:13,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932006662] [2024-11-17 04:43:13,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932006662] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:13,020 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:43:13,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-17 04:43:13,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866232500] [2024-11-17 04:43:13,020 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:13,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:43:13,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:13,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:43:13,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:43:13,021 INFO L87 Difference]: Start difference. First operand 4125 states and 4454 transitions. Second operand has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:43:13,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:13,191 INFO L93 Difference]: Finished difference Result 4130 states and 4456 transitions. [2024-11-17 04:43:13,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:43:13,192 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 176 [2024-11-17 04:43:13,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:13,204 INFO L225 Difference]: With dead ends: 4130 [2024-11-17 04:43:13,204 INFO L226 Difference]: Without dead ends: 4126 [2024-11-17 04:43:13,205 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:43:13,206 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 20 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:13,206 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 168 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:43:13,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4126 states. [2024-11-17 04:43:13,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4126 to 4110. [2024-11-17 04:43:13,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4110 states, 3910 states have (on average 1.0396419437340154) internal successors, (4065), 3924 states have internal predecessors, (4065), 183 states have call successors, (183), 13 states have call predecessors, (183), 13 states have return successors, (183), 172 states have call predecessors, (183), 183 states have call successors, (183) [2024-11-17 04:43:13,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4110 states to 4110 states and 4431 transitions. [2024-11-17 04:43:13,388 INFO L78 Accepts]: Start accepts. Automaton has 4110 states and 4431 transitions. Word has length 176 [2024-11-17 04:43:13,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:13,389 INFO L471 AbstractCegarLoop]: Abstraction has 4110 states and 4431 transitions. [2024-11-17 04:43:13,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:43:13,389 INFO L276 IsEmpty]: Start isEmpty. Operand 4110 states and 4431 transitions. [2024-11-17 04:43:13,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-17 04:43:13,391 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:13,391 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:13,408 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:13,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-17 04:43:13,592 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:43:13,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:13,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1973185583, now seen corresponding path program 1 times [2024-11-17 04:43:13,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:13,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573709837] [2024-11-17 04:43:13,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:13,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:13,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:13,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [12409008] [2024-11-17 04:43:13,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:13,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:13,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:13,617 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:13,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-17 04:43:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:13,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-17 04:43:13,710 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:15,017 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 15 proven. 321 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-17 04:43:15,017 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:15,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:15,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573709837] [2024-11-17 04:43:15,704 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:15,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [12409008] [2024-11-17 04:43:15,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [12409008] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:15,704 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:43:15,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2024-11-17 04:43:15,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633955766] [2024-11-17 04:43:15,704 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:15,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-17 04:43:15,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:15,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-17 04:43:15,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=732, Unknown=0, NotChecked=0, Total=870 [2024-11-17 04:43:15,705 INFO L87 Difference]: Start difference. First operand 4110 states and 4431 transitions. Second operand has 25 states, 23 states have (on average 6.434782608695652) internal successors, (148), 23 states have internal predecessors, (148), 8 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:43:17,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:17,216 INFO L93 Difference]: Finished difference Result 4316 states and 4651 transitions. [2024-11-17 04:43:17,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-17 04:43:17,217 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 23 states have (on average 6.434782608695652) internal successors, (148), 23 states have internal predecessors, (148), 8 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) Word has length 176 [2024-11-17 04:43:17,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:17,231 INFO L225 Difference]: With dead ends: 4316 [2024-11-17 04:43:17,231 INFO L226 Difference]: Without dead ends: 4315 [2024-11-17 04:43:17,234 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 581 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=412, Invalid=1844, Unknown=0, NotChecked=0, Total=2256 [2024-11-17 04:43:17,234 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 188 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 1220 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 1228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:17,234 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 603 Invalid, 1228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1220 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 04:43:17,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4315 states. [2024-11-17 04:43:17,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4315 to 4110. [2024-11-17 04:43:17,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4110 states, 3910 states have (on average 1.039386189258312) internal successors, (4064), 3924 states have internal predecessors, (4064), 183 states have call successors, (183), 13 states have call predecessors, (183), 13 states have return successors, (183), 172 states have call predecessors, (183), 183 states have call successors, (183) [2024-11-17 04:43:17,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4110 states to 4110 states and 4430 transitions. [2024-11-17 04:43:17,426 INFO L78 Accepts]: Start accepts. Automaton has 4110 states and 4430 transitions. Word has length 176 [2024-11-17 04:43:17,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:17,427 INFO L471 AbstractCegarLoop]: Abstraction has 4110 states and 4430 transitions. [2024-11-17 04:43:17,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 23 states have (on average 6.434782608695652) internal successors, (148), 23 states have internal predecessors, (148), 8 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:43:17,427 INFO L276 IsEmpty]: Start isEmpty. Operand 4110 states and 4430 transitions. [2024-11-17 04:43:17,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-17 04:43:17,430 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:17,430 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:17,447 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:17,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-17 04:43:17,635 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:43:17,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:17,635 INFO L85 PathProgramCache]: Analyzing trace with hash -878563378, now seen corresponding path program 2 times [2024-11-17 04:43:17,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:17,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062136237] [2024-11-17 04:43:17,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:17,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:17,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:17,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [864408000] [2024-11-17 04:43:17,658 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:43:17,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:17,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:17,660 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:17,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-17 04:43:17,729 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:43:17,729 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:17,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 04:43:17,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:18,063 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 270 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-17 04:43:18,063 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:18,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:18,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062136237] [2024-11-17 04:43:18,593 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:18,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [864408000] [2024-11-17 04:43:18,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [864408000] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:18,594 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:43:18,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-17 04:43:18,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378637872] [2024-11-17 04:43:18,594 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:18,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:43:18,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:18,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:43:18,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:43:18,595 INFO L87 Difference]: Start difference. First operand 4110 states and 4430 transitions. Second operand has 8 states, 7 states have (on average 15.285714285714286) internal successors, (107), 8 states have internal predecessors, (107), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:43:18,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:18,903 INFO L93 Difference]: Finished difference Result 4546 states and 4900 transitions. [2024-11-17 04:43:18,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:43:18,904 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 15.285714285714286) internal successors, (107), 8 states have internal predecessors, (107), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 176 [2024-11-17 04:43:18,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:18,922 INFO L225 Difference]: With dead ends: 4546 [2024-11-17 04:43:18,922 INFO L226 Difference]: Without dead ends: 4542 [2024-11-17 04:43:18,925 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:43:18,926 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 25 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:18,927 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 318 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:43:18,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4542 states. [2024-11-17 04:43:19,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4542 to 4075. [2024-11-17 04:43:19,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4075 states, 3876 states have (on average 1.0389576883384932) internal successors, (4027), 3890 states have internal predecessors, (4027), 182 states have call successors, (182), 13 states have call predecessors, (182), 13 states have return successors, (182), 171 states have call predecessors, (182), 182 states have call successors, (182) [2024-11-17 04:43:19,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4075 states to 4075 states and 4391 transitions. [2024-11-17 04:43:19,149 INFO L78 Accepts]: Start accepts. Automaton has 4075 states and 4391 transitions. Word has length 176 [2024-11-17 04:43:19,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:19,149 INFO L471 AbstractCegarLoop]: Abstraction has 4075 states and 4391 transitions. [2024-11-17 04:43:19,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 15.285714285714286) internal successors, (107), 8 states have internal predecessors, (107), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:43:19,150 INFO L276 IsEmpty]: Start isEmpty. Operand 4075 states and 4391 transitions. [2024-11-17 04:43:19,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-17 04:43:19,153 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:19,153 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:19,169 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-17 04:43:19,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:19,354 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:43:19,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:19,355 INFO L85 PathProgramCache]: Analyzing trace with hash -2124937510, now seen corresponding path program 2 times [2024-11-17 04:43:19,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:19,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350581435] [2024-11-17 04:43:19,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:19,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:19,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:19,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:19,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:19,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:43:19,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:19,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-17 04:43:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:19,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-17 04:43:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:19,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-17 04:43:19,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:19,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-17 04:43:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:19,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-17 04:43:19,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:19,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-17 04:43:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:19,546 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-17 04:43:19,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:19,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350581435] [2024-11-17 04:43:19,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350581435] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:19,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088605133] [2024-11-17 04:43:19,547 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:43:19,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:19,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:19,549 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:19,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-17 04:43:19,610 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:43:19,610 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:19,612 INFO L255 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 04:43:19,614 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:19,769 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-17 04:43:19,769 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:20,021 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-17 04:43:20,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2088605133] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:20,021 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:43:20,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 16 [2024-11-17 04:43:20,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119758008] [2024-11-17 04:43:20,022 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:20,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-17 04:43:20,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:20,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-17 04:43:20,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2024-11-17 04:43:20,023 INFO L87 Difference]: Start difference. First operand 4075 states and 4391 transitions. Second operand has 17 states, 16 states have (on average 19.3125) internal successors, (309), 17 states have internal predecessors, (309), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) [2024-11-17 04:43:20,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:20,353 INFO L93 Difference]: Finished difference Result 5731 states and 6274 transitions. [2024-11-17 04:43:20,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-17 04:43:20,357 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 19.3125) internal successors, (309), 17 states have internal predecessors, (309), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) Word has length 188 [2024-11-17 04:43:20,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:20,367 INFO L225 Difference]: With dead ends: 5731 [2024-11-17 04:43:20,368 INFO L226 Difference]: Without dead ends: 5730 [2024-11-17 04:43:20,370 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2024-11-17 04:43:20,370 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 32 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:20,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 238 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:43:20,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5730 states. [2024-11-17 04:43:20,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5730 to 5730. [2024-11-17 04:43:20,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5730 states, 5456 states have (on average 1.0403225806451613) internal successors, (5676), 5469 states have internal predecessors, (5676), 257 states have call successors, (257), 13 states have call predecessors, (257), 13 states have return successors, (257), 247 states have call predecessors, (257), 257 states have call successors, (257) [2024-11-17 04:43:20,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5730 states to 5730 states and 6190 transitions. [2024-11-17 04:43:20,630 INFO L78 Accepts]: Start accepts. Automaton has 5730 states and 6190 transitions. Word has length 188 [2024-11-17 04:43:20,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:20,630 INFO L471 AbstractCegarLoop]: Abstraction has 5730 states and 6190 transitions. [2024-11-17 04:43:20,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 19.3125) internal successors, (309), 17 states have internal predecessors, (309), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) [2024-11-17 04:43:20,631 INFO L276 IsEmpty]: Start isEmpty. Operand 5730 states and 6190 transitions. [2024-11-17 04:43:20,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-17 04:43:20,634 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:20,634 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:20,650 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-17 04:43:20,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-17 04:43:20,835 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:43:20,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:20,835 INFO L85 PathProgramCache]: Analyzing trace with hash -627592680, now seen corresponding path program 3 times [2024-11-17 04:43:20,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:20,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506855835] [2024-11-17 04:43:20,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:20,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:20,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:20,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:20,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:20,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:20,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:43:20,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:20,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-17 04:43:20,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:21,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-17 04:43:21,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:21,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-17 04:43:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:21,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-17 04:43:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:21,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-17 04:43:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:21,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-17 04:43:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:21,013 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 153 proven. 267 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-11-17 04:43:21,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:21,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506855835] [2024-11-17 04:43:21,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506855835] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:21,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [278457060] [2024-11-17 04:43:21,014 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:43:21,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:21,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:21,016 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:21,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-17 04:43:21,079 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-17 04:43:21,080 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:21,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-17 04:43:21,084 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:22,383 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 234 proven. 148 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-17 04:43:22,383 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:24,081 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 274 proven. 78 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-11-17 04:43:24,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [278457060] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:24,081 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:43:24,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 18, 13] total 36 [2024-11-17 04:43:24,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90542064] [2024-11-17 04:43:24,081 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:24,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-17 04:43:24,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:24,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-17 04:43:24,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=1071, Unknown=0, NotChecked=0, Total=1260 [2024-11-17 04:43:24,083 INFO L87 Difference]: Start difference. First operand 5730 states and 6190 transitions. Second operand has 36 states, 36 states have (on average 10.194444444444445) internal successors, (367), 36 states have internal predecessors, (367), 14 states have call successors, (17), 1 states have call predecessors, (17), 3 states have return successors, (19), 15 states have call predecessors, (19), 14 states have call successors, (19) [2024-11-17 04:43:37,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:37,063 INFO L93 Difference]: Finished difference Result 10998 states and 11921 transitions. [2024-11-17 04:43:37,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-11-17 04:43:37,063 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 10.194444444444445) internal successors, (367), 36 states have internal predecessors, (367), 14 states have call successors, (17), 1 states have call predecessors, (17), 3 states have return successors, (19), 15 states have call predecessors, (19), 14 states have call successors, (19) Word has length 202 [2024-11-17 04:43:37,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:37,079 INFO L225 Difference]: With dead ends: 10998 [2024-11-17 04:43:37,079 INFO L226 Difference]: Without dead ends: 6769 [2024-11-17 04:43:37,089 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 498 GetRequests, 397 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2954 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=1605, Invalid=8899, Unknown=2, NotChecked=0, Total=10506 [2024-11-17 04:43:37,090 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 481 mSDsluCounter, 1121 mSDsCounter, 0 mSdLazyCounter, 3191 mSolverCounterSat, 87 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 1192 SdHoareTripleChecker+Invalid, 3280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 3191 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:37,090 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 1192 Invalid, 3280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 3191 Invalid, 2 Unknown, 0 Unchecked, 4.0s Time] [2024-11-17 04:43:37,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6769 states. [2024-11-17 04:43:37,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6769 to 5079. [2024-11-17 04:43:37,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5079 states, 4835 states have (on average 1.032678386763185) internal successors, (4993), 4851 states have internal predecessors, (4993), 227 states have call successors, (227), 13 states have call predecessors, (227), 13 states have return successors, (227), 214 states have call predecessors, (227), 227 states have call successors, (227) [2024-11-17 04:43:37,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5079 states to 5079 states and 5447 transitions. [2024-11-17 04:43:37,357 INFO L78 Accepts]: Start accepts. Automaton has 5079 states and 5447 transitions. Word has length 202 [2024-11-17 04:43:37,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:37,357 INFO L471 AbstractCegarLoop]: Abstraction has 5079 states and 5447 transitions. [2024-11-17 04:43:37,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 10.194444444444445) internal successors, (367), 36 states have internal predecessors, (367), 14 states have call successors, (17), 1 states have call predecessors, (17), 3 states have return successors, (19), 15 states have call predecessors, (19), 14 states have call successors, (19) [2024-11-17 04:43:37,358 INFO L276 IsEmpty]: Start isEmpty. Operand 5079 states and 5447 transitions. [2024-11-17 04:43:37,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-17 04:43:37,363 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:37,363 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:37,380 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:37,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:37,564 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:43:37,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:37,565 INFO L85 PathProgramCache]: Analyzing trace with hash 2044779106, now seen corresponding path program 4 times [2024-11-17 04:43:37,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:37,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155860419] [2024-11-17 04:43:37,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:37,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:37,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:37,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1066676064] [2024-11-17 04:43:37,598 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-17 04:43:37,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:37,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:37,600 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:37,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-17 04:43:37,693 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-17 04:43:37,693 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:37,695 INFO L255 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-17 04:43:37,698 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:39,705 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 27 proven. 588 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-17 04:43:39,705 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:40,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:40,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155860419] [2024-11-17 04:43:40,382 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:40,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066676064] [2024-11-17 04:43:40,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1066676064] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:40,382 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:43:40,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2024-11-17 04:43:40,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245484414] [2024-11-17 04:43:40,382 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:40,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-17 04:43:40,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:40,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-17 04:43:40,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=932, Unknown=0, NotChecked=0, Total=1122 [2024-11-17 04:43:40,384 INFO L87 Difference]: Start difference. First operand 5079 states and 5447 transitions. Second operand has 29 states, 27 states have (on average 7.037037037037037) internal successors, (190), 27 states have internal predecessors, (190), 10 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-17 04:43:42,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:42,322 INFO L93 Difference]: Finished difference Result 5348 states and 5727 transitions. [2024-11-17 04:43:42,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-11-17 04:43:42,323 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 27 states have (on average 7.037037037037037) internal successors, (190), 27 states have internal predecessors, (190), 10 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Word has length 228 [2024-11-17 04:43:42,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:42,332 INFO L225 Difference]: With dead ends: 5348 [2024-11-17 04:43:42,332 INFO L226 Difference]: Without dead ends: 5347 [2024-11-17 04:43:42,334 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1050 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=798, Invalid=3234, Unknown=0, NotChecked=0, Total=4032 [2024-11-17 04:43:42,334 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 259 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 1185 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 1194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:42,335 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 552 Invalid, 1194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1185 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 04:43:42,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5347 states. [2024-11-17 04:43:42,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5347 to 5079. [2024-11-17 04:43:42,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5079 states, 4835 states have (on average 1.0324715615305067) internal successors, (4992), 4851 states have internal predecessors, (4992), 227 states have call successors, (227), 13 states have call predecessors, (227), 13 states have return successors, (227), 214 states have call predecessors, (227), 227 states have call successors, (227) [2024-11-17 04:43:42,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5079 states to 5079 states and 5446 transitions. [2024-11-17 04:43:42,594 INFO L78 Accepts]: Start accepts. Automaton has 5079 states and 5446 transitions. Word has length 228 [2024-11-17 04:43:42,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:42,594 INFO L471 AbstractCegarLoop]: Abstraction has 5079 states and 5446 transitions. [2024-11-17 04:43:42,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 27 states have (on average 7.037037037037037) internal successors, (190), 27 states have internal predecessors, (190), 10 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-17 04:43:42,595 INFO L276 IsEmpty]: Start isEmpty. Operand 5079 states and 5446 transitions. [2024-11-17 04:43:42,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-17 04:43:42,600 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:42,600 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:42,619 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-17 04:43:42,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-11-17 04:43:42,806 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:43:42,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:42,806 INFO L85 PathProgramCache]: Analyzing trace with hash -2054778848, now seen corresponding path program 5 times [2024-11-17 04:43:42,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:42,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011869597] [2024-11-17 04:43:42,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:42,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:42,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:42,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1896976128] [2024-11-17 04:43:42,842 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-17 04:43:42,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:42,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:42,844 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:42,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-17 04:43:42,961 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-11-17 04:43:42,961 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:42,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-17 04:43:42,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:43,902 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 12 proven. 609 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-17 04:43:43,902 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:44,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:44,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011869597] [2024-11-17 04:43:44,237 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:44,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896976128] [2024-11-17 04:43:44,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896976128] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:44,237 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:43:44,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2024-11-17 04:43:44,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912307616] [2024-11-17 04:43:44,237 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:44,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-17 04:43:44,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:44,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-17 04:43:44,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=427, Unknown=0, NotChecked=0, Total=506 [2024-11-17 04:43:44,238 INFO L87 Difference]: Start difference. First operand 5079 states and 5446 transitions. Second operand has 20 states, 19 states have (on average 9.842105263157896) internal successors, (187), 20 states have internal predecessors, (187), 9 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-17 04:43:45,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:45,558 INFO L93 Difference]: Finished difference Result 7991 states and 8597 transitions. [2024-11-17 04:43:45,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-17 04:43:45,559 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 9.842105263157896) internal successors, (187), 20 states have internal predecessors, (187), 9 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) Word has length 228 [2024-11-17 04:43:45,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:45,570 INFO L225 Difference]: With dead ends: 7991 [2024-11-17 04:43:45,570 INFO L226 Difference]: Without dead ends: 5274 [2024-11-17 04:43:45,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=88, Invalid=464, Unknown=0, NotChecked=0, Total=552 [2024-11-17 04:43:45,575 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 28 mSDsluCounter, 1050 mSDsCounter, 0 mSdLazyCounter, 2025 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1149 SdHoareTripleChecker+Invalid, 2026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:45,575 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1149 Invalid, 2026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2025 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-17 04:43:45,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5274 states. [2024-11-17 04:43:45,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5274 to 5000. [2024-11-17 04:43:45,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5000 states, 4759 states have (on average 1.0319394830846818) internal successors, (4911), 4775 states have internal predecessors, (4911), 224 states have call successors, (224), 13 states have call predecessors, (224), 13 states have return successors, (224), 211 states have call predecessors, (224), 224 states have call successors, (224) [2024-11-17 04:43:45,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5000 states to 5000 states and 5359 transitions. [2024-11-17 04:43:45,867 INFO L78 Accepts]: Start accepts. Automaton has 5000 states and 5359 transitions. Word has length 228 [2024-11-17 04:43:45,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:45,868 INFO L471 AbstractCegarLoop]: Abstraction has 5000 states and 5359 transitions. [2024-11-17 04:43:45,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 9.842105263157896) internal successors, (187), 20 states have internal predecessors, (187), 9 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-17 04:43:45,868 INFO L276 IsEmpty]: Start isEmpty. Operand 5000 states and 5359 transitions. [2024-11-17 04:43:45,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2024-11-17 04:43:45,871 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:45,871 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:45,889 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-17 04:43:46,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:46,076 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:43:46,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:46,076 INFO L85 PathProgramCache]: Analyzing trace with hash 584262732, now seen corresponding path program 2 times [2024-11-17 04:43:46,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:46,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424347782] [2024-11-17 04:43:46,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:46,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:46,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:46,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:46,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:43:46,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:46,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-17 04:43:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:46,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-17 04:43:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:46,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-17 04:43:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:46,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-17 04:43:46,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:46,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-17 04:43:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:46,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-17 04:43:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:46,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-17 04:43:46,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:46,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-17 04:43:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:46,327 INFO L134 CoverageAnalysis]: Checked inductivity of 908 backedges. 0 proven. 760 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-17 04:43:46,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:46,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424347782] [2024-11-17 04:43:46,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424347782] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:46,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666291816] [2024-11-17 04:43:46,328 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:43:46,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:46,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:46,330 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:46,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-17 04:43:46,409 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:43:46,409 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:46,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-17 04:43:46,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:46,690 INFO L134 CoverageAnalysis]: Checked inductivity of 908 backedges. 0 proven. 760 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-17 04:43:46,690 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:47,105 INFO L134 CoverageAnalysis]: Checked inductivity of 908 backedges. 0 proven. 760 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-17 04:43:47,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666291816] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:47,106 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:43:47,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 20 [2024-11-17 04:43:47,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114320586] [2024-11-17 04:43:47,106 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:47,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-17 04:43:47,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:47,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-17 04:43:47,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-11-17 04:43:47,108 INFO L87 Difference]: Start difference. First operand 5000 states and 5359 transitions. Second operand has 21 states, 20 states have (on average 19.95) internal successors, (399), 21 states have internal predecessors, (399), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2024-11-17 04:43:48,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:48,018 INFO L93 Difference]: Finished difference Result 13580 states and 14527 transitions. [2024-11-17 04:43:48,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-17 04:43:48,019 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 19.95) internal successors, (399), 21 states have internal predecessors, (399), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) Word has length 243 [2024-11-17 04:43:48,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:48,042 INFO L225 Difference]: With dead ends: 13580 [2024-11-17 04:43:48,043 INFO L226 Difference]: Without dead ends: 13579 [2024-11-17 04:43:48,045 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 516 GetRequests, 497 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-11-17 04:43:48,046 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 351 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:48,046 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 509 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:43:48,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13579 states. [2024-11-17 04:43:48,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13579 to 9020. [2024-11-17 04:43:48,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9020 states, 8602 states have (on average 1.0372006510113927) internal successors, (8922), 8617 states have internal predecessors, (8922), 401 states have call successors, (401), 13 states have call predecessors, (401), 13 states have return successors, (401), 389 states have call predecessors, (401), 401 states have call successors, (401) [2024-11-17 04:43:48,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9020 states to 9020 states and 9724 transitions. [2024-11-17 04:43:48,524 INFO L78 Accepts]: Start accepts. Automaton has 9020 states and 9724 transitions. Word has length 243 [2024-11-17 04:43:48,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:48,525 INFO L471 AbstractCegarLoop]: Abstraction has 9020 states and 9724 transitions. [2024-11-17 04:43:48,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 19.95) internal successors, (399), 21 states have internal predecessors, (399), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2024-11-17 04:43:48,525 INFO L276 IsEmpty]: Start isEmpty. Operand 9020 states and 9724 transitions. [2024-11-17 04:43:48,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2024-11-17 04:43:48,528 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:48,528 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:48,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:48,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:48,730 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:43:48,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:48,730 INFO L85 PathProgramCache]: Analyzing trace with hash 534114825, now seen corresponding path program 6 times [2024-11-17 04:43:48,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:48,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315908430] [2024-11-17 04:43:48,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:48,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:48,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:48,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:48,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:49,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:43:49,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:49,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-17 04:43:49,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:49,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-17 04:43:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:49,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-17 04:43:49,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:49,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-17 04:43:49,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:49,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-17 04:43:49,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:49,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-17 04:43:49,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:49,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-17 04:43:49,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:49,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-17 04:43:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:49,022 INFO L134 CoverageAnalysis]: Checked inductivity of 919 backedges. 211 proven. 560 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-17 04:43:49,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:49,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315908430] [2024-11-17 04:43:49,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315908430] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:49,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115586785] [2024-11-17 04:43:49,023 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-17 04:43:49,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:49,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:49,025 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:49,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-17 04:43:49,162 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2024-11-17 04:43:49,162 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:49,164 INFO L255 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 04:43:49,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:49,709 INFO L134 CoverageAnalysis]: Checked inductivity of 919 backedges. 265 proven. 506 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-17 04:43:49,709 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:50,042 INFO L134 CoverageAnalysis]: Checked inductivity of 919 backedges. 265 proven. 506 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-17 04:43:50,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [115586785] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:50,043 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:43:50,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 18 [2024-11-17 04:43:50,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529544184] [2024-11-17 04:43:50,043 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:50,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-17 04:43:50,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:50,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-17 04:43:50,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2024-11-17 04:43:50,045 INFO L87 Difference]: Start difference. First operand 9020 states and 9724 transitions. Second operand has 18 states, 18 states have (on average 18.22222222222222) internal successors, (328), 18 states have internal predecessors, (328), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) [2024-11-17 04:43:51,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:51,056 INFO L93 Difference]: Finished difference Result 20385 states and 22065 transitions. [2024-11-17 04:43:51,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 04:43:51,057 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 18.22222222222222) internal successors, (328), 18 states have internal predecessors, (328), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) Word has length 254 [2024-11-17 04:43:51,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:51,081 INFO L225 Difference]: With dead ends: 20385 [2024-11-17 04:43:51,081 INFO L226 Difference]: Without dead ends: 14493 [2024-11-17 04:43:51,091 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 544 GetRequests, 515 SyntacticMatches, 9 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2024-11-17 04:43:51,091 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 58 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 829 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 829 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:51,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 840 Invalid, 832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 829 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:43:51,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14493 states. [2024-11-17 04:43:51,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14493 to 10388. [2024-11-17 04:43:51,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10388 states, 9907 states have (on average 1.0350257393761986) internal successors, (10254), 9921 states have internal predecessors, (10254), 464 states have call successors, (464), 13 states have call predecessors, (464), 13 states have return successors, (464), 453 states have call predecessors, (464), 464 states have call successors, (464) [2024-11-17 04:43:51,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10388 states to 10388 states and 11182 transitions. [2024-11-17 04:43:51,629 INFO L78 Accepts]: Start accepts. Automaton has 10388 states and 11182 transitions. Word has length 254 [2024-11-17 04:43:51,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:51,629 INFO L471 AbstractCegarLoop]: Abstraction has 10388 states and 11182 transitions. [2024-11-17 04:43:51,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 18.22222222222222) internal successors, (328), 18 states have internal predecessors, (328), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) [2024-11-17 04:43:51,630 INFO L276 IsEmpty]: Start isEmpty. Operand 10388 states and 11182 transitions. [2024-11-17 04:43:51,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-11-17 04:43:51,633 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:51,633 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:51,650 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:51,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:51,838 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:43:51,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:51,838 INFO L85 PathProgramCache]: Analyzing trace with hash -14965483, now seen corresponding path program 7 times [2024-11-17 04:43:51,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:51,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173313981] [2024-11-17 04:43:51,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:51,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:51,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:51,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1697875677] [2024-11-17 04:43:51,872 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-17 04:43:51,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:51,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:51,874 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:43:51,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-17 04:43:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:51,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-17 04:43:51,974 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:54,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 27 proven. 913 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-17 04:43:54,565 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:59,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:59,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173313981] [2024-11-17 04:43:59,327 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:59,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697875677] [2024-11-17 04:43:59,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1697875677] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:59,327 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:43:59,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2024-11-17 04:43:59,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841169743] [2024-11-17 04:43:59,328 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:59,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-17 04:43:59,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:59,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-17 04:43:59,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=1153, Unknown=1, NotChecked=0, Total=1406 [2024-11-17 04:43:59,329 INFO L87 Difference]: Start difference. First operand 10388 states and 11182 transitions. Second operand has 33 states, 31 states have (on average 7.483870967741935) internal successors, (232), 31 states have internal predecessors, (232), 12 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 04:44:02,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:02,525 INFO L93 Difference]: Finished difference Result 10675 states and 11481 transitions. [2024-11-17 04:44:02,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-11-17 04:44:02,526 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 31 states have (on average 7.483870967741935) internal successors, (232), 31 states have internal predecessors, (232), 12 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) Word has length 280 [2024-11-17 04:44:02,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:02,547 INFO L225 Difference]: With dead ends: 10675 [2024-11-17 04:44:02,547 INFO L226 Difference]: Without dead ends: 10674 [2024-11-17 04:44:02,550 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1932 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=1251, Invalid=5228, Unknown=1, NotChecked=0, Total=6480 [2024-11-17 04:44:02,551 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 317 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 1230 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 1244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:02,551 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 570 Invalid, 1244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1230 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-17 04:44:02,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10674 states. [2024-11-17 04:44:03,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10674 to 10388. [2024-11-17 04:44:03,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10388 states, 9907 states have (on average 1.034924800646008) internal successors, (10253), 9921 states have internal predecessors, (10253), 464 states have call successors, (464), 13 states have call predecessors, (464), 13 states have return successors, (464), 453 states have call predecessors, (464), 464 states have call successors, (464) [2024-11-17 04:44:03,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10388 states to 10388 states and 11181 transitions. [2024-11-17 04:44:03,076 INFO L78 Accepts]: Start accepts. Automaton has 10388 states and 11181 transitions. Word has length 280 [2024-11-17 04:44:03,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:03,076 INFO L471 AbstractCegarLoop]: Abstraction has 10388 states and 11181 transitions. [2024-11-17 04:44:03,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 31 states have (on average 7.483870967741935) internal successors, (232), 31 states have internal predecessors, (232), 12 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 04:44:03,077 INFO L276 IsEmpty]: Start isEmpty. Operand 10388 states and 11181 transitions. [2024-11-17 04:44:03,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2024-11-17 04:44:03,082 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:03,082 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:44:03,099 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-17 04:44:03,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-17 04:44:03,286 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-17 04:44:03,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:03,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1265599335, now seen corresponding path program 3 times [2024-11-17 04:44:03,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:03,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042044271] [2024-11-17 04:44:03,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:03,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:04,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:44:04,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:04,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:44:04,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:04,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:44:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:04,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-17 04:44:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:04,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-17 04:44:04,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:04,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-17 04:44:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:04,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-17 04:44:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:04,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-17 04:44:04,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:04,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-17 04:44:04,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:04,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-17 04:44:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:04,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-17 04:44:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:04,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-17 04:44:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:04,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-17 04:44:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:04,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-11-17 04:44:04,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:04,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1564 backedges. 0 proven. 1296 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-17 04:44:04,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:04,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042044271] [2024-11-17 04:44:04,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042044271] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:44:04,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008761571] [2024-11-17 04:44:04,136 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:44:04,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:04,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:44:04,138 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:44:04,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-17 04:44:04,260 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-11-17 04:44:04,260 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:44:04,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-17 04:44:04,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:44:04,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1564 backedges. 0 proven. 1216 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2024-11-17 04:44:04,847 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:44:05,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1008761571] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:44:05,280 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:44:05,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 10] total 38 [2024-11-17 04:44:05,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822473539] [2024-11-17 04:44:05,280 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:44:05,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-11-17 04:44:05,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:05,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-11-17 04:44:05,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=1362, Unknown=0, NotChecked=0, Total=1640 [2024-11-17 04:44:05,282 INFO L87 Difference]: Start difference. First operand 10388 states and 11181 transitions. Second operand has 38 states, 38 states have (on average 12.105263157894736) internal successors, (460), 38 states have internal predecessors, (460), 21 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 21 states have call predecessors, (23), 21 states have call successors, (23)