./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound2.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/geo1-ll_valuebound2.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 0477687fecbd3170f65e2eb11926275d6b3232cae024dd47071f89d509b612eb --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 04:34:02,923 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 04:34:02,995 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 04:34:03,001 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 04:34:03,002 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 04:34:03,030 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 04:34:03,030 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 04:34:03,031 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 04:34:03,031 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 04:34:03,032 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 04:34:03,034 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 04:34:03,034 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 04:34:03,034 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 04:34:03,035 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 04:34:03,035 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 04:34:03,037 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 04:34:03,037 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 04:34:03,037 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 04:34:03,037 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 04:34:03,041 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 04:34:03,041 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 04:34:03,042 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 04:34:03,042 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 04:34:03,042 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 04:34:03,042 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 04:34:03,043 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 04:34:03,043 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 04:34:03,043 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 04:34:03,043 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 04:34:03,043 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 04:34:03,044 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 04:34:03,044 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 04:34:03,044 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 04:34:03,044 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 04:34:03,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:34:03,052 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 04:34:03,053 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 04:34:03,053 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 04:34:03,053 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 04:34:03,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 04:34:03,053 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 04:34:03,054 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 04:34:03,055 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 04:34:03,055 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 04:34:03,056 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0477687fecbd3170f65e2eb11926275d6b3232cae024dd47071f89d509b612eb [2024-11-17 04:34:03,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 04:34:03,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 04:34:03,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 04:34:03,338 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 04:34:03,339 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 04:34:03,340 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound2.c [2024-11-17 04:34:04,775 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 04:34:04,939 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 04:34:04,941 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound2.c [2024-11-17 04:34:04,951 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2fde89f8/b41d086d3b634a9ea31043983e933251/FLAGa62d4b433 [2024-11-17 04:34:05,342 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2fde89f8/b41d086d3b634a9ea31043983e933251 [2024-11-17 04:34:05,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 04:34:05,346 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 04:34:05,347 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 04:34:05,347 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 04:34:05,353 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 04:34:05,354 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:34:05" (1/1) ... [2024-11-17 04:34:05,355 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f3caed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:34:05, skipping insertion in model container [2024-11-17 04:34:05,355 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:34:05" (1/1) ... [2024-11-17 04:34:05,370 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 04:34:05,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:34:05,542 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 04:34:05,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:34:05,571 INFO L204 MainTranslator]: Completed translation [2024-11-17 04:34:05,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:34:05 WrapperNode [2024-11-17 04:34:05,572 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 04:34:05,573 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 04:34:05,573 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 04:34:05,573 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 04:34:05,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:34:05" (1/1) ... [2024-11-17 04:34:05,589 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:34:05" (1/1) ... [2024-11-17 04:34:05,604 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2024-11-17 04:34:05,604 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 04:34:05,605 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 04:34:05,605 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 04:34:05,605 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 04:34:05,614 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:34:05" (1/1) ... [2024-11-17 04:34:05,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:34:05" (1/1) ... [2024-11-17 04:34:05,616 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:34:05" (1/1) ... [2024-11-17 04:34:05,629 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 04:34:05,629 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:34:05" (1/1) ... [2024-11-17 04:34:05,630 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:34:05" (1/1) ... [2024-11-17 04:34:05,632 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:34:05" (1/1) ... [2024-11-17 04:34:05,632 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:34:05" (1/1) ... [2024-11-17 04:34:05,633 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:34:05" (1/1) ... [2024-11-17 04:34:05,634 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:34:05" (1/1) ... [2024-11-17 04:34:05,635 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 04:34:05,636 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 04:34:05,636 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 04:34:05,636 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 04:34:05,637 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:34:05" (1/1) ... [2024-11-17 04:34:05,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:34:05,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:34:05,678 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 04:34:05,681 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 04:34:05,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 04:34:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-17 04:34:05,727 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-17 04:34:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 04:34:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 04:34:05,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 04:34:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 04:34:05,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 04:34:05,789 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 04:34:05,791 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 04:34:06,080 INFO L? ?]: Removed 54 outVars from TransFormulas that were not future-live. [2024-11-17 04:34:06,081 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 04:34:06,099 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 04:34:06,099 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 04:34:06,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:34:06 BoogieIcfgContainer [2024-11-17 04:34:06,100 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 04:34:06,104 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 04:34:06,104 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 04:34:06,108 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 04:34:06,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:34:05" (1/3) ... [2024-11-17 04:34:06,109 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@604fbcb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:34:06, skipping insertion in model container [2024-11-17 04:34:06,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:34:05" (2/3) ... [2024-11-17 04:34:06,110 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@604fbcb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:34:06, skipping insertion in model container [2024-11-17 04:34:06,111 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:34:06" (3/3) ... [2024-11-17 04:34:06,112 INFO L112 eAbstractionObserver]: Analyzing ICFG geo1-ll_valuebound2.c [2024-11-17 04:34:06,127 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 04:34:06,127 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2024-11-17 04:34:06,182 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 04:34:06,187 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;@36a86c2d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 04:34:06,187 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-11-17 04:34:06,191 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 46 states have (on average 1.6304347826086956) internal successors, (75), 70 states have internal predecessors, (75), 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 04:34:06,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-17 04:34:06,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:34:06,198 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:34:06,198 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:34:06,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:34:06,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1012760200, now seen corresponding path program 1 times [2024-11-17 04:34:06,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:34:06,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397181147] [2024-11-17 04:34:06,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:34:06,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:34:06,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:06,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:34:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:06,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:34:06,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:06,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:34:06,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:06,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-17 04:34:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:06,342 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:34:06,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:34:06,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397181147] [2024-11-17 04:34:06,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397181147] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:34:06,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:34:06,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:34:06,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868076663] [2024-11-17 04:34:06,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:34:06,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 04:34:06,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:34:06,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 04:34:06,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:34:06,375 INFO L87 Difference]: Start difference. First operand has 79 states, 46 states have (on average 1.6304347826086956) internal successors, (75), 70 states have internal predecessors, (75), 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) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:34:06,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:34:06,406 INFO L93 Difference]: Finished difference Result 154 states and 175 transitions. [2024-11-17 04:34:06,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 04:34:06,408 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 26 [2024-11-17 04:34:06,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:34:06,416 INFO L225 Difference]: With dead ends: 154 [2024-11-17 04:34:06,417 INFO L226 Difference]: Without dead ends: 72 [2024-11-17 04:34:06,420 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 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 04:34:06,423 INFO L432 NwaCegarLoop]: 82 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, 82 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 04:34:06,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:34:06,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-17 04:34:06,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-17 04:34:06,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 41 states have (on average 1.5853658536585367) internal successors, (65), 64 states have internal predecessors, (65), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:34:06,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 75 transitions. [2024-11-17 04:34:06,480 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 75 transitions. Word has length 26 [2024-11-17 04:34:06,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:34:06,480 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 75 transitions. [2024-11-17 04:34:06,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:34:06,481 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 75 transitions. [2024-11-17 04:34:06,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-17 04:34:06,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:34:06,482 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:34:06,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 04:34:06,483 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:34:06,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:34:06,484 INFO L85 PathProgramCache]: Analyzing trace with hash 650488747, now seen corresponding path program 1 times [2024-11-17 04:34:06,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:34:06,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875908913] [2024-11-17 04:34:06,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:34:06,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:34:06,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:34:06,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [879616713] [2024-11-17 04:34:06,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:34:06,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:34:06,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:34:06,544 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 04:34:06,546 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 04:34:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:06,610 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:34:06,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:34:06,714 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:34:06,715 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:34:06,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:34:06,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875908913] [2024-11-17 04:34:06,717 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:34:06,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [879616713] [2024-11-17 04:34:06,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [879616713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:34:06,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:34:06,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:34:06,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427278375] [2024-11-17 04:34:06,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:34:06,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:34:06,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:34:06,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:34:06,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:34:06,722 INFO L87 Difference]: Start difference. First operand 72 states and 75 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 04:34:06,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:34:06,953 INFO L93 Difference]: Finished difference Result 104 states and 120 transitions. [2024-11-17 04:34:06,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:34:06,954 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 27 [2024-11-17 04:34:06,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:34:06,956 INFO L225 Difference]: With dead ends: 104 [2024-11-17 04:34:06,956 INFO L226 Difference]: Without dead ends: 99 [2024-11-17 04:34:06,956 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 24 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 04:34:06,957 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 76 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:34:06,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 64 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:34:06,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-17 04:34:06,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 93. [2024-11-17 04:34:06,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 61 states have (on average 1.5901639344262295) internal successors, (97), 84 states have internal predecessors, (97), 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 04:34:06,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 109 transitions. [2024-11-17 04:34:06,973 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 109 transitions. Word has length 27 [2024-11-17 04:34:06,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:34:06,977 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 109 transitions. [2024-11-17 04:34:06,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 04:34:06,978 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 109 transitions. [2024-11-17 04:34:06,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-17 04:34:06,979 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:34:06,980 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:34:06,995 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 04:34:07,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:34:07,188 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:34:07,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:34:07,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1309685298, now seen corresponding path program 1 times [2024-11-17 04:34:07,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:34:07,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779564301] [2024-11-17 04:34:07,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:34:07,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:34:07,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:34:07,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1612769515] [2024-11-17 04:34:07,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:34:07,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:34:07,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:34:07,228 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 04:34:07,230 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 04:34:07,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:07,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:34:07,282 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:34:07,328 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:34:07,328 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:34:07,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:34:07,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779564301] [2024-11-17 04:34:07,329 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:34:07,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612769515] [2024-11-17 04:34:07,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612769515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:34:07,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:34:07,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:34:07,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133357998] [2024-11-17 04:34:07,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:34:07,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:34:07,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:34:07,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:34:07,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:34:07,334 INFO L87 Difference]: Start difference. First operand 93 states and 109 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 04:34:07,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:34:07,452 INFO L93 Difference]: Finished difference Result 104 states and 115 transitions. [2024-11-17 04:34:07,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:34:07,453 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 28 [2024-11-17 04:34:07,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:34:07,454 INFO L225 Difference]: With dead ends: 104 [2024-11-17 04:34:07,454 INFO L226 Difference]: Without dead ends: 98 [2024-11-17 04:34:07,455 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 25 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 04:34:07,456 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 74 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:34:07,456 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 64 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:34:07,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-17 04:34:07,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 94. [2024-11-17 04:34:07,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 63 states have (on average 1.492063492063492) internal successors, (94), 85 states have internal predecessors, (94), 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 04:34:07,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 106 transitions. [2024-11-17 04:34:07,465 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 106 transitions. Word has length 28 [2024-11-17 04:34:07,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:34:07,466 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 106 transitions. [2024-11-17 04:34:07,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 04:34:07,466 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 106 transitions. [2024-11-17 04:34:07,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-17 04:34:07,467 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:34:07,467 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:34:07,485 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 04:34:07,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-17 04:34:07,675 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:34:07,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:34:07,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1351773081, now seen corresponding path program 1 times [2024-11-17 04:34:07,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:34:07,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796505285] [2024-11-17 04:34:07,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:34:07,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:34:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:34:07,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [702916297] [2024-11-17 04:34:07,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:34:07,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:34:07,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:34:07,716 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 04:34:07,719 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 04:34:07,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:07,756 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:34:07,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:34:07,799 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:34:07,800 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:34:07,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:34:07,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796505285] [2024-11-17 04:34:07,800 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:34:07,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702916297] [2024-11-17 04:34:07,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [702916297] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:34:07,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:34:07,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:34:07,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777779504] [2024-11-17 04:34:07,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:34:07,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:34:07,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:34:07,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:34:07,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:34:07,802 INFO L87 Difference]: Start difference. First operand 94 states and 106 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 04:34:07,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:34:07,964 INFO L93 Difference]: Finished difference Result 100 states and 108 transitions. [2024-11-17 04:34:07,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:34:07,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 31 [2024-11-17 04:34:07,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:34:07,966 INFO L225 Difference]: With dead ends: 100 [2024-11-17 04:34:07,966 INFO L226 Difference]: Without dead ends: 98 [2024-11-17 04:34:07,966 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 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 04:34:07,967 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 19 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:34:07,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 80 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:34:07,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-17 04:34:07,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 94. [2024-11-17 04:34:07,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 63 states have (on average 1.4603174603174602) internal successors, (92), 85 states have internal predecessors, (92), 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 04:34:07,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 104 transitions. [2024-11-17 04:34:07,984 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 104 transitions. Word has length 31 [2024-11-17 04:34:07,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:34:07,985 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 104 transitions. [2024-11-17 04:34:07,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 04:34:07,985 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 104 transitions. [2024-11-17 04:34:07,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-17 04:34:07,986 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:34:07,986 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:34:08,002 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-17 04:34:08,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:34:08,187 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:34:08,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:34:08,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1044707466, now seen corresponding path program 1 times [2024-11-17 04:34:08,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:34:08,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531515223] [2024-11-17 04:34:08,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:34:08,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:34:08,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:08,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:34:08,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:08,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:34:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:08,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:34:08,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:08,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-17 04:34:08,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:08,531 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 04:34:08,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:34:08,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531515223] [2024-11-17 04:34:08,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531515223] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:34:08,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [844017569] [2024-11-17 04:34:08,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:34:08,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:34:08,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:34:08,538 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 04:34:08,540 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 04:34:08,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:08,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:34:08,581 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:34:08,634 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:34:08,635 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:34:08,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [844017569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:34:08,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:34:08,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2024-11-17 04:34:08,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364473434] [2024-11-17 04:34:08,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:34:08,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:34:08,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:34:08,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:34:08,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:34:08,637 INFO L87 Difference]: Start difference. First operand 94 states and 104 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 04:34:08,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:34:08,792 INFO L93 Difference]: Finished difference Result 100 states and 106 transitions. [2024-11-17 04:34:08,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:34:08,793 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 32 [2024-11-17 04:34:08,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:34:08,794 INFO L225 Difference]: With dead ends: 100 [2024-11-17 04:34:08,796 INFO L226 Difference]: Without dead ends: 98 [2024-11-17 04:34:08,796 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:34:08,797 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 18 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:34:08,797 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 82 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:34:08,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-17 04:34:08,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 94. [2024-11-17 04:34:08,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 63 states have (on average 1.4285714285714286) internal successors, (90), 85 states have internal predecessors, (90), 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 04:34:08,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 102 transitions. [2024-11-17 04:34:08,807 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 102 transitions. Word has length 32 [2024-11-17 04:34:08,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:34:08,808 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 102 transitions. [2024-11-17 04:34:08,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 04:34:08,808 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 102 transitions. [2024-11-17 04:34:08,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-17 04:34:08,809 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:34:08,809 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:34:08,823 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 04:34:09,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:34:09,014 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:34:09,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:34:09,014 INFO L85 PathProgramCache]: Analyzing trace with hash -628615140, now seen corresponding path program 1 times [2024-11-17 04:34:09,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:34:09,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020290742] [2024-11-17 04:34:09,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:34:09,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:34:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:09,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:34:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:09,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:34:09,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:09,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:34:09,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:09,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-17 04:34:09,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:09,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-17 04:34:09,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:09,162 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 04:34:09,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:34:09,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020290742] [2024-11-17 04:34:09,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020290742] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:34:09,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1957486106] [2024-11-17 04:34:09,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:34:09,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:34:09,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:34:09,165 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 04:34:09,166 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 04:34:09,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:09,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:34:09,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:34:09,260 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 04:34:09,260 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:34:09,351 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 04:34:09,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1957486106] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:34:09,352 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:34:09,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-17 04:34:09,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717042982] [2024-11-17 04:34:09,352 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:34:09,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:34:09,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:34:09,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:34:09,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:34:09,355 INFO L87 Difference]: Start difference. First operand 94 states and 102 transitions. Second operand has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-17 04:34:09,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:34:09,523 INFO L93 Difference]: Finished difference Result 94 states and 102 transitions. [2024-11-17 04:34:09,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:34:09,524 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 41 [2024-11-17 04:34:09,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:34:09,526 INFO L225 Difference]: With dead ends: 94 [2024-11-17 04:34:09,526 INFO L226 Difference]: Without dead ends: 93 [2024-11-17 04:34:09,526 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:34:09,527 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 36 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:34:09,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 140 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:34:09,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-17 04:34:09,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-17 04:34:09,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 63 states have (on average 1.3968253968253967) internal successors, (88), 84 states have internal predecessors, (88), 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 04:34:09,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 100 transitions. [2024-11-17 04:34:09,541 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 100 transitions. Word has length 41 [2024-11-17 04:34:09,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:34:09,542 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 100 transitions. [2024-11-17 04:34:09,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-17 04:34:09,542 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 100 transitions. [2024-11-17 04:34:09,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-17 04:34:09,543 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:34:09,543 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:34:09,561 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-17 04:34:09,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:34:09,744 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:34:09,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:34:09,744 INFO L85 PathProgramCache]: Analyzing trace with hash -628615090, now seen corresponding path program 1 times [2024-11-17 04:34:09,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:34:09,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70596740] [2024-11-17 04:34:09,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:34:09,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:34:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:09,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:34:09,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:09,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:34:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:09,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:34:09,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:09,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-17 04:34:09,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:09,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-17 04:34:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:09,812 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:34:09,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:34:09,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70596740] [2024-11-17 04:34:09,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70596740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:34:09,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:34:09,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:34:09,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515910920] [2024-11-17 04:34:09,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:34:09,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:34:09,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:34:09,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:34:09,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:34:09,817 INFO L87 Difference]: Start difference. First operand 93 states and 100 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:34:09,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:34:09,838 INFO L93 Difference]: Finished difference Result 95 states and 100 transitions. [2024-11-17 04:34:09,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:34:09,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 41 [2024-11-17 04:34:09,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:34:09,841 INFO L225 Difference]: With dead ends: 95 [2024-11-17 04:34:09,841 INFO L226 Difference]: Without dead ends: 93 [2024-11-17 04:34:09,841 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:34:09,842 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 2 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:34:09,842 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 132 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:34:09,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-17 04:34:09,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-17 04:34:09,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 63 states have (on average 1.3650793650793651) internal successors, (86), 84 states have internal predecessors, (86), 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 04:34:09,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 98 transitions. [2024-11-17 04:34:09,856 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 98 transitions. Word has length 41 [2024-11-17 04:34:09,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:34:09,856 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 98 transitions. [2024-11-17 04:34:09,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:34:09,856 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 98 transitions. [2024-11-17 04:34:09,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-17 04:34:09,857 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:34:09,857 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:34:09,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 04:34:09,858 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:34:09,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:34:09,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1647291341, now seen corresponding path program 1 times [2024-11-17 04:34:09,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:34:09,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456073147] [2024-11-17 04:34:09,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:34:09,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:34:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:09,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:34:09,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:09,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:34:09,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:09,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:34:09,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:09,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-17 04:34:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:09,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-17 04:34:09,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:09,936 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:34:09,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:34:09,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456073147] [2024-11-17 04:34:09,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456073147] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:34:09,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:34:09,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:34:09,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700451935] [2024-11-17 04:34:09,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:34:09,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:34:09,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:34:09,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:34:09,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:34:09,939 INFO L87 Difference]: Start difference. First operand 93 states and 98 transitions. Second operand has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:34:10,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:34:10,237 INFO L93 Difference]: Finished difference Result 129 states and 150 transitions. [2024-11-17 04:34:10,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:34:10,238 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 46 [2024-11-17 04:34:10,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:34:10,239 INFO L225 Difference]: With dead ends: 129 [2024-11-17 04:34:10,239 INFO L226 Difference]: Without dead ends: 128 [2024-11-17 04:34:10,239 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:34:10,240 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 49 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:34:10,240 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 104 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:34:10,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-17 04:34:10,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 95. [2024-11-17 04:34:10,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 65 states have (on average 1.353846153846154) internal successors, (88), 86 states have internal predecessors, (88), 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 04:34:10,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 100 transitions. [2024-11-17 04:34:10,250 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 100 transitions. Word has length 46 [2024-11-17 04:34:10,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:34:10,251 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 100 transitions. [2024-11-17 04:34:10,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:34:10,251 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 100 transitions. [2024-11-17 04:34:10,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-17 04:34:10,252 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:34:10,252 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:34:10,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 04:34:10,252 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:34:10,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:34:10,255 INFO L85 PathProgramCache]: Analyzing trace with hash 473575959, now seen corresponding path program 1 times [2024-11-17 04:34:10,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:34:10,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054440617] [2024-11-17 04:34:10,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:34:10,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:34:10,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:10,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:34:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:10,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:34:10,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:10,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:34:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:10,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-17 04:34:10,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:10,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-17 04:34:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:10,325 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:34:10,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:34:10,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054440617] [2024-11-17 04:34:10,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054440617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:34:10,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:34:10,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:34:10,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523356897] [2024-11-17 04:34:10,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:34:10,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:34:10,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:34:10,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:34:10,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:34:10,327 INFO L87 Difference]: Start difference. First operand 95 states and 100 transitions. Second operand has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:34:10,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:34:10,395 INFO L93 Difference]: Finished difference Result 98 states and 103 transitions. [2024-11-17 04:34:10,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:34:10,395 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 47 [2024-11-17 04:34:10,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:34:10,396 INFO L225 Difference]: With dead ends: 98 [2024-11-17 04:34:10,396 INFO L226 Difference]: Without dead ends: 97 [2024-11-17 04:34:10,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:34:10,397 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 26 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:34:10,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 86 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:34:10,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-17 04:34:10,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 96. [2024-11-17 04:34:10,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 66 states have (on average 1.3484848484848484) internal successors, (89), 87 states have internal predecessors, (89), 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 04:34:10,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 101 transitions. [2024-11-17 04:34:10,403 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 101 transitions. Word has length 47 [2024-11-17 04:34:10,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:34:10,404 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 101 transitions. [2024-11-17 04:34:10,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:34:10,404 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 101 transitions. [2024-11-17 04:34:10,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-17 04:34:10,405 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:34:10,405 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:34:10,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-17 04:34:10,405 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:34:10,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:34:10,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1795952817, now seen corresponding path program 1 times [2024-11-17 04:34:10,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:34:10,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053191342] [2024-11-17 04:34:10,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:34:10,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:34:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:10,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:34:10,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:10,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:34:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:10,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:34:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:10,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-17 04:34:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:10,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-17 04:34:10,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:10,479 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:34:10,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:34:10,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053191342] [2024-11-17 04:34:10,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053191342] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:34:10,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:34:10,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:34:10,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050760887] [2024-11-17 04:34:10,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:34:10,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:34:10,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:34:10,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:34:10,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:34:10,486 INFO L87 Difference]: Start difference. First operand 96 states and 101 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, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:34:10,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:34:10,820 INFO L93 Difference]: Finished difference Result 96 states and 101 transitions. [2024-11-17 04:34:10,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:34:10,820 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, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 48 [2024-11-17 04:34:10,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:34:10,821 INFO L225 Difference]: With dead ends: 96 [2024-11-17 04:34:10,821 INFO L226 Difference]: Without dead ends: 94 [2024-11-17 04:34:10,821 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:34:10,822 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 17 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:34:10,822 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 84 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:34:10,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-17 04:34:10,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-17 04:34:10,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 66 states have (on average 1.3181818181818181) internal successors, (87), 85 states have internal predecessors, (87), 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 04:34:10,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 99 transitions. [2024-11-17 04:34:10,828 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 99 transitions. Word has length 48 [2024-11-17 04:34:10,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:34:10,828 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 99 transitions. [2024-11-17 04:34:10,829 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, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:34:10,829 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 99 transitions. [2024-11-17 04:34:10,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-17 04:34:10,829 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:34:10,830 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:34:10,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-17 04:34:10,830 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:34:10,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:34:10,833 INFO L85 PathProgramCache]: Analyzing trace with hash -160037547, now seen corresponding path program 1 times [2024-11-17 04:34:10,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:34:10,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363538427] [2024-11-17 04:34:10,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:34:10,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:34:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:10,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:34:10,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:10,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:34:10,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:10,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:34:10,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:10,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-17 04:34:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:10,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-17 04:34:10,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:10,918 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:34:10,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:34:10,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363538427] [2024-11-17 04:34:10,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363538427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:34:10,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:34:10,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:34:10,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930073767] [2024-11-17 04:34:10,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:34:10,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:34:10,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:34:10,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:34:10,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:34:10,923 INFO L87 Difference]: Start difference. First operand 94 states and 99 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:34:11,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:34:11,228 INFO L93 Difference]: Finished difference Result 94 states and 99 transitions. [2024-11-17 04:34:11,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:34:11,229 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 49 [2024-11-17 04:34:11,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:34:11,230 INFO L225 Difference]: With dead ends: 94 [2024-11-17 04:34:11,230 INFO L226 Difference]: Without dead ends: 84 [2024-11-17 04:34:11,230 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:34:11,231 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 19 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:34:11,231 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 86 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:34:11,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-17 04:34:11,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-17 04:34:11,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 57 states have (on average 1.3333333333333333) internal successors, (76), 75 states have internal predecessors, (76), 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 04:34:11,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 88 transitions. [2024-11-17 04:34:11,237 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 88 transitions. Word has length 49 [2024-11-17 04:34:11,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:34:11,237 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 88 transitions. [2024-11-17 04:34:11,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:34:11,237 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 88 transitions. [2024-11-17 04:34:11,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-17 04:34:11,238 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:34:11,238 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:34:11,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-17 04:34:11,238 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:34:11,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:34:11,238 INFO L85 PathProgramCache]: Analyzing trace with hash -423870201, now seen corresponding path program 1 times [2024-11-17 04:34:11,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:34:11,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744624881] [2024-11-17 04:34:11,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:34:11,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:34:11,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:34:11,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2037762674] [2024-11-17 04:34:11,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:34:11,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:34:11,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:34:11,254 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 04:34:11,256 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 04:34:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:11,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 04:34:11,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:34:11,501 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:34:11,501 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:34:11,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:34:11,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744624881] [2024-11-17 04:34:11,611 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:34:11,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2037762674] [2024-11-17 04:34:11,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2037762674] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:34:11,611 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:34:11,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-17 04:34:11,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088615890] [2024-11-17 04:34:11,612 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:34:11,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:34:11,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:34:11,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:34:11,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:34:11,614 INFO L87 Difference]: Start difference. First operand 84 states and 88 transitions. Second operand has 7 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-17 04:34:11,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:34:11,755 INFO L93 Difference]: Finished difference Result 84 states and 88 transitions. [2024-11-17 04:34:11,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:34:11,755 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 49 [2024-11-17 04:34:11,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:34:11,756 INFO L225 Difference]: With dead ends: 84 [2024-11-17 04:34:11,756 INFO L226 Difference]: Without dead ends: 83 [2024-11-17 04:34:11,756 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:34:11,757 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 9 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:34:11,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 97 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:34:11,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-17 04:34:11,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-17 04:34:11,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 74 states have internal predecessors, (75), 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 04:34:11,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 87 transitions. [2024-11-17 04:34:11,764 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 87 transitions. Word has length 49 [2024-11-17 04:34:11,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:34:11,765 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 87 transitions. [2024-11-17 04:34:11,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-17 04:34:11,765 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 87 transitions. [2024-11-17 04:34:11,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-17 04:34:11,766 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:34:11,767 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:34:11,787 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-17 04:34:11,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:34:11,971 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:34:11,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:34:11,971 INFO L85 PathProgramCache]: Analyzing trace with hash -255074351, now seen corresponding path program 1 times [2024-11-17 04:34:11,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:34:11,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191737119] [2024-11-17 04:34:11,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:34:11,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:34:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:34:11,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1523361783] [2024-11-17 04:34:11,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:34:11,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:34:11,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:34:11,984 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 04:34:11,985 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 04:34:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:12,029 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 04:34:12,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:34:12,190 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:34:12,191 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:34:12,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:34:12,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191737119] [2024-11-17 04:34:12,646 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:34:12,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523361783] [2024-11-17 04:34:12,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523361783] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:34:12,647 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:34:12,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-17 04:34:12,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438014839] [2024-11-17 04:34:12,647 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:34:12,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:34:12,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:34:12,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:34:12,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:34:12,648 INFO L87 Difference]: Start difference. First operand 83 states and 87 transitions. Second operand has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-17 04:34:12,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:34:12,791 INFO L93 Difference]: Finished difference Result 88 states and 92 transitions. [2024-11-17 04:34:12,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:34:12,791 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 50 [2024-11-17 04:34:12,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:34:12,792 INFO L225 Difference]: With dead ends: 88 [2024-11-17 04:34:12,792 INFO L226 Difference]: Without dead ends: 87 [2024-11-17 04:34:12,792 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:34:12,793 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 61 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:34:12,793 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 106 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:34:12,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-17 04:34:12,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 86. [2024-11-17 04:34:12,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 60 states have (on average 1.3) internal successors, (78), 77 states have internal predecessors, (78), 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 04:34:12,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 90 transitions. [2024-11-17 04:34:12,802 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 90 transitions. Word has length 50 [2024-11-17 04:34:12,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:34:12,802 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 90 transitions. [2024-11-17 04:34:12,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-17 04:34:12,802 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 90 transitions. [2024-11-17 04:34:12,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-17 04:34:12,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:34:12,804 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:34:12,822 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-17 04:34:13,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:34:13,009 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:34:13,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:34:13,010 INFO L85 PathProgramCache]: Analyzing trace with hash -448663530, now seen corresponding path program 1 times [2024-11-17 04:34:13,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:34:13,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166119280] [2024-11-17 04:34:13,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:34:13,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:34:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:34:13,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [507611365] [2024-11-17 04:34:13,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:34:13,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:34:13,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:34:13,022 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 04:34:13,023 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 04:34:13,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:13,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-17 04:34:13,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:34:13,274 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:34:13,274 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:34:13,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:34:13,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166119280] [2024-11-17 04:34:13,590 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:34:13,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507611365] [2024-11-17 04:34:13,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [507611365] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:34:13,590 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:34:13,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-17 04:34:13,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890991426] [2024-11-17 04:34:13,591 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:34:13,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:34:13,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:34:13,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:34:13,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:34:13,592 INFO L87 Difference]: Start difference. First operand 86 states and 90 transitions. Second operand has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-17 04:34:13,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:34:13,745 INFO L93 Difference]: Finished difference Result 86 states and 90 transitions. [2024-11-17 04:34:13,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:34:13,745 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 54 [2024-11-17 04:34:13,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:34:13,746 INFO L225 Difference]: With dead ends: 86 [2024-11-17 04:34:13,746 INFO L226 Difference]: Without dead ends: 81 [2024-11-17 04:34:13,746 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:34:13,747 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 47 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:34:13,747 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 124 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:34:13,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-17 04:34:13,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-11-17 04:34:13,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 60 states have (on average 1.2166666666666666) internal successors, (73), 72 states have internal predecessors, (73), 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 04:34:13,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 85 transitions. [2024-11-17 04:34:13,751 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 85 transitions. Word has length 54 [2024-11-17 04:34:13,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:34:13,752 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 85 transitions. [2024-11-17 04:34:13,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-17 04:34:13,752 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 85 transitions. [2024-11-17 04:34:13,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-17 04:34:13,753 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:34:13,753 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:34:13,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-17 04:34:13,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-17 04:34:13,954 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:34:13,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:34:13,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1023667517, now seen corresponding path program 1 times [2024-11-17 04:34:13,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:34:13,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752273925] [2024-11-17 04:34:13,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:34:13,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:34:13,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:34:13,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1400829843] [2024-11-17 04:34:13,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:34:13,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:34:13,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:34:13,966 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 04:34:13,967 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 04:34:14,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:14,008 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-17 04:34:14,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:34:14,179 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:34:14,180 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:34:14,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:34:14,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752273925] [2024-11-17 04:34:14,889 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:34:14,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1400829843] [2024-11-17 04:34:14,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1400829843] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:34:14,889 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:34:14,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-17 04:34:14,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921023849] [2024-11-17 04:34:14,890 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:34:14,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:34:14,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:34:14,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:34:14,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:34:14,891 INFO L87 Difference]: Start difference. First operand 81 states and 85 transitions. Second operand has 8 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-17 04:34:15,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:34:15,044 INFO L93 Difference]: Finished difference Result 114 states and 123 transitions. [2024-11-17 04:34:15,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:34:15,044 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 55 [2024-11-17 04:34:15,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:34:15,045 INFO L225 Difference]: With dead ends: 114 [2024-11-17 04:34:15,045 INFO L226 Difference]: Without dead ends: 109 [2024-11-17 04:34:15,046 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:34:15,046 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 126 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:34:15,046 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 100 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:34:15,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-17 04:34:15,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 105. [2024-11-17 04:34:15,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 83 states have (on average 1.2289156626506024) internal successors, (102), 95 states have internal predecessors, (102), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-17 04:34:15,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 116 transitions. [2024-11-17 04:34:15,052 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 116 transitions. Word has length 55 [2024-11-17 04:34:15,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:34:15,052 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 116 transitions. [2024-11-17 04:34:15,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-17 04:34:15,052 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 116 transitions. [2024-11-17 04:34:15,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-17 04:34:15,053 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:34:15,053 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:34:15,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-17 04:34:15,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-17 04:34:15,258 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:34:15,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:34:15,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1811174574, now seen corresponding path program 1 times [2024-11-17 04:34:15,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:34:15,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612643505] [2024-11-17 04:34:15,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:34:15,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:34:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:34:15,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1148578195] [2024-11-17 04:34:15,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:34:15,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:34:15,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:34:15,270 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 04:34:15,271 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 04:34:15,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:15,326 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 04:34:15,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:34:15,443 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:34:15,443 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:34:15,771 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:34:15,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:34:15,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612643505] [2024-11-17 04:34:15,771 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:34:15,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148578195] [2024-11-17 04:34:15,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1148578195] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:34:15,772 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:34:15,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-17 04:34:15,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453764685] [2024-11-17 04:34:15,772 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:34:15,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:34:15,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:34:15,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:34:15,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:34:15,773 INFO L87 Difference]: Start difference. First operand 105 states and 116 transitions. Second operand has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:34:16,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:34:16,726 INFO L93 Difference]: Finished difference Result 122 states and 132 transitions. [2024-11-17 04:34:16,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:34:16,727 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 58 [2024-11-17 04:34:16,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:34:16,728 INFO L225 Difference]: With dead ends: 122 [2024-11-17 04:34:16,728 INFO L226 Difference]: Without dead ends: 119 [2024-11-17 04:34:16,728 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:34:16,729 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 40 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-17 04:34:16,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 175 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-17 04:34:16,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-17 04:34:16,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 116. [2024-11-17 04:34:16,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 94 states have (on average 1.202127659574468) internal successors, (113), 106 states have internal predecessors, (113), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-17 04:34:16,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 127 transitions. [2024-11-17 04:34:16,735 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 127 transitions. Word has length 58 [2024-11-17 04:34:16,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:34:16,735 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 127 transitions. [2024-11-17 04:34:16,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:34:16,735 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 127 transitions. [2024-11-17 04:34:16,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-17 04:34:16,736 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:34:16,736 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:34:16,752 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 04:34:16,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-17 04:34:16,937 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:34:16,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:34:16,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1727186297, now seen corresponding path program 1 times [2024-11-17 04:34:16,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:34:16,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722707901] [2024-11-17 04:34:16,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:34:16,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:34:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:17,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:34:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:17,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:34:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:17,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:34:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:17,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-17 04:34:17,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:17,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-17 04:34:17,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:17,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-17 04:34:17,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:17,032 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-17 04:34:17,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:34:17,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722707901] [2024-11-17 04:34:17,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722707901] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:34:17,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1095391381] [2024-11-17 04:34:17,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:34:17,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:34:17,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:34:17,035 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 04:34:17,036 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 04:34:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:17,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:34:17,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:34:17,125 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-17 04:34:17,126 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:34:17,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1095391381] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:34:17,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:34:17,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-17 04:34:17,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744426413] [2024-11-17 04:34:17,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:34:17,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:34:17,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:34:17,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:34:17,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:34:17,128 INFO L87 Difference]: Start difference. First operand 116 states and 127 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:34:17,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:34:17,151 INFO L93 Difference]: Finished difference Result 116 states and 127 transitions. [2024-11-17 04:34:17,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:34:17,151 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 68 [2024-11-17 04:34:17,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:34:17,152 INFO L225 Difference]: With dead ends: 116 [2024-11-17 04:34:17,152 INFO L226 Difference]: Without dead ends: 115 [2024-11-17 04:34:17,152 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 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 04:34:17,152 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 10 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:34:17,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 131 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:34:17,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-17 04:34:17,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-11-17 04:34:17,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 94 states have (on average 1.1808510638297873) internal successors, (111), 105 states have internal predecessors, (111), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-17 04:34:17,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 125 transitions. [2024-11-17 04:34:17,160 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 125 transitions. Word has length 68 [2024-11-17 04:34:17,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:34:17,161 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 125 transitions. [2024-11-17 04:34:17,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:34:17,161 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 125 transitions. [2024-11-17 04:34:17,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-17 04:34:17,162 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:34:17,162 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:34:17,178 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 04:34:17,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-17 04:34:17,363 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:34:17,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:34:17,363 INFO L85 PathProgramCache]: Analyzing trace with hash 2003167661, now seen corresponding path program 1 times [2024-11-17 04:34:17,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:34:17,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943480418] [2024-11-17 04:34:17,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:34:17,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:34:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:17,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:34:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:17,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:34:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:17,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:34:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:17,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-17 04:34:17,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:17,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-17 04:34:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:17,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-17 04:34:17,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:17,429 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-17 04:34:17,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:34:17,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943480418] [2024-11-17 04:34:17,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943480418] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:34:17,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262977322] [2024-11-17 04:34:17,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:34:17,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:34:17,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:34:17,432 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 04:34:17,433 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 04:34:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:17,477 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:34:17,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:34:17,525 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-17 04:34:17,525 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:34:17,596 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-17 04:34:17,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1262977322] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:34:17,596 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:34:17,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-17 04:34:17,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52152395] [2024-11-17 04:34:17,597 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:34:17,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:34:17,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:34:17,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:34:17,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:34:17,598 INFO L87 Difference]: Start difference. First operand 115 states and 125 transitions. Second operand has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 6 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9) [2024-11-17 04:34:17,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:34:17,647 INFO L93 Difference]: Finished difference Result 159 states and 171 transitions. [2024-11-17 04:34:17,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:34:17,648 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 6 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9) Word has length 69 [2024-11-17 04:34:17,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:34:17,649 INFO L225 Difference]: With dead ends: 159 [2024-11-17 04:34:17,649 INFO L226 Difference]: Without dead ends: 158 [2024-11-17 04:34:17,649 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:34:17,649 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 28 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:34:17,650 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 223 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:34:17,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-17 04:34:17,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 145. [2024-11-17 04:34:17,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 122 states have (on average 1.2295081967213115) internal successors, (150), 133 states have internal predecessors, (150), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 04:34:17,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 168 transitions. [2024-11-17 04:34:17,657 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 168 transitions. Word has length 69 [2024-11-17 04:34:17,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:34:17,657 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 168 transitions. [2024-11-17 04:34:17,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 6 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9) [2024-11-17 04:34:17,657 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 168 transitions. [2024-11-17 04:34:17,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-17 04:34:17,658 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:34:17,658 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:34:17,674 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-17 04:34:17,858 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,SelfDestructingSolverStorable17 [2024-11-17 04:34:17,858 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:34:17,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:34:17,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1016452632, now seen corresponding path program 1 times [2024-11-17 04:34:17,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:34:17,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814696409] [2024-11-17 04:34:17,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:34:17,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:34:17,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:17,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:34:17,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:17,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:34:17,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:17,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:34:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:17,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-17 04:34:17,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:17,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-17 04:34:17,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:17,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-17 04:34:17,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:17,917 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-17 04:34:17,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:34:17,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814696409] [2024-11-17 04:34:17,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814696409] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:34:17,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:34:17,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:34:17,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319204489] [2024-11-17 04:34:17,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:34:17,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:34:17,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:34:17,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:34:17,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:34:17,918 INFO L87 Difference]: Start difference. First operand 145 states and 168 transitions. Second operand has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-17 04:34:18,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:34:18,213 INFO L93 Difference]: Finished difference Result 145 states and 168 transitions. [2024-11-17 04:34:18,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:34:18,213 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 73 [2024-11-17 04:34:18,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:34:18,214 INFO L225 Difference]: With dead ends: 145 [2024-11-17 04:34:18,214 INFO L226 Difference]: Without dead ends: 144 [2024-11-17 04:34:18,215 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 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 04:34:18,215 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 36 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:34:18,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 81 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:34:18,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-17 04:34:18,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2024-11-17 04:34:18,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 122 states have (on average 1.221311475409836) internal successors, (149), 132 states have internal predecessors, (149), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 04:34:18,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 167 transitions. [2024-11-17 04:34:18,224 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 167 transitions. Word has length 73 [2024-11-17 04:34:18,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:34:18,225 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 167 transitions. [2024-11-17 04:34:18,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-17 04:34:18,225 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 167 transitions. [2024-11-17 04:34:18,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-17 04:34:18,226 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:34:18,226 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:34:18,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-17 04:34:18,226 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:34:18,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:34:18,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1445260542, now seen corresponding path program 1 times [2024-11-17 04:34:18,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:34:18,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147379447] [2024-11-17 04:34:18,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:34:18,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:34:18,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:18,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:34:18,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:18,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:34:18,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:18,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:34:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:18,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-17 04:34:18,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:18,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-17 04:34:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:18,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-17 04:34:18,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:18,459 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-17 04:34:18,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:34:18,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147379447] [2024-11-17 04:34:18,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147379447] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:34:18,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:34:18,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-17 04:34:18,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100030892] [2024-11-17 04:34:18,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:34:18,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:34:18,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:34:18,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:34:18,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:34:18,462 INFO L87 Difference]: Start difference. First operand 144 states and 167 transitions. Second operand has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-17 04:34:19,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:34:19,718 INFO L93 Difference]: Finished difference Result 144 states and 167 transitions. [2024-11-17 04:34:19,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 04:34:19,719 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 74 [2024-11-17 04:34:19,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:34:19,719 INFO L225 Difference]: With dead ends: 144 [2024-11-17 04:34:19,719 INFO L226 Difference]: Without dead ends: 131 [2024-11-17 04:34:19,720 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:34:19,720 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 50 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:34:19,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 222 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-17 04:34:19,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-17 04:34:19,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2024-11-17 04:34:19,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 111 states have (on average 1.1981981981981982) internal successors, (133), 119 states have internal predecessors, (133), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 04:34:19,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 151 transitions. [2024-11-17 04:34:19,731 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 151 transitions. Word has length 74 [2024-11-17 04:34:19,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:34:19,731 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 151 transitions. [2024-11-17 04:34:19,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-17 04:34:19,732 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 151 transitions. [2024-11-17 04:34:19,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-17 04:34:19,733 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:34:19,733 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:34:19,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-17 04:34:19,733 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:34:19,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:34:19,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1701434118, now seen corresponding path program 1 times [2024-11-17 04:34:19,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:34:19,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126945380] [2024-11-17 04:34:19,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:34:19,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:34:19,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:19,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:34:19,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:19,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:34:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:19,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:34:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:19,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-17 04:34:19,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:19,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-17 04:34:19,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:19,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-17 04:34:19,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:19,876 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 13 proven. 18 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-17 04:34:19,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:34:19,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126945380] [2024-11-17 04:34:19,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126945380] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:34:19,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479003371] [2024-11-17 04:34:19,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:34:19,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:34:19,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:34:19,879 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 04:34:19,880 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 04:34:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:34:19,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 04:34:19,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:34:20,122 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-17 04:34:20,123 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:34:20,236 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-17 04:34:20,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479003371] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:34:20,236 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:34:20,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2024-11-17 04:34:20,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076417677] [2024-11-17 04:34:20,236 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:34:20,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 04:34:20,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:34:20,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 04:34:20,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:34:20,238 INFO L87 Difference]: Start difference. First operand 131 states and 151 transitions. Second operand has 12 states, 12 states have (on average 8.916666666666666) internal successors, (107), 10 states have internal predecessors, (107), 8 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) [2024-11-17 04:34:20,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:34:20,289 INFO L93 Difference]: Finished difference Result 135 states and 154 transitions. [2024-11-17 04:34:20,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:34:20,290 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.916666666666666) internal successors, (107), 10 states have internal predecessors, (107), 8 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) Word has length 77 [2024-11-17 04:34:20,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:34:20,290 INFO L225 Difference]: With dead ends: 135 [2024-11-17 04:34:20,290 INFO L226 Difference]: Without dead ends: 0 [2024-11-17 04:34:20,291 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 159 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:34:20,292 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 0 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:34:20,292 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 171 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:34:20,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-17 04:34:20,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-17 04:34:20,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:34:20,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-17 04:34:20,293 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 77 [2024-11-17 04:34:20,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:34:20,293 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 04:34:20,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.916666666666666) internal successors, (107), 10 states have internal predecessors, (107), 8 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) [2024-11-17 04:34:20,293 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-17 04:34:20,295 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-17 04:34:20,297 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 24 remaining) [2024-11-17 04:34:20,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 24 remaining) [2024-11-17 04:34:20,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 24 remaining) [2024-11-17 04:34:20,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 24 remaining) [2024-11-17 04:34:20,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 24 remaining) [2024-11-17 04:34:20,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 24 remaining) [2024-11-17 04:34:20,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 24 remaining) [2024-11-17 04:34:20,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 24 remaining) [2024-11-17 04:34:20,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 24 remaining) [2024-11-17 04:34:20,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 24 remaining) [2024-11-17 04:34:20,298 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 24 remaining) [2024-11-17 04:34:20,299 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 24 remaining) [2024-11-17 04:34:20,299 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 24 remaining) [2024-11-17 04:34:20,299 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 24 remaining) [2024-11-17 04:34:20,299 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 24 remaining) [2024-11-17 04:34:20,299 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 24 remaining) [2024-11-17 04:34:20,299 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 24 remaining) [2024-11-17 04:34:20,299 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 24 remaining) [2024-11-17 04:34:20,299 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 24 remaining) [2024-11-17 04:34:20,300 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 24 remaining) [2024-11-17 04:34:20,300 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 24 remaining) [2024-11-17 04:34:20,300 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 24 remaining) [2024-11-17 04:34:20,300 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 24 remaining) [2024-11-17 04:34:20,300 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 24 remaining) [2024-11-17 04:34:20,317 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 04:34:20,504 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,SelfDestructingSolverStorable20 [2024-11-17 04:34:20,508 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:34:20,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-17 04:34:20,690 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 04:34:20,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 04:34:20 BoogieIcfgContainer [2024-11-17 04:34:20,710 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 04:34:20,711 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 04:34:20,711 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 04:34:20,711 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 04:34:20,711 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:34:06" (3/4) ... [2024-11-17 04:34:20,714 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-17 04:34:20,718 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-17 04:34:20,719 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-17 04:34:20,723 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-17 04:34:20,724 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-17 04:34:20,724 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-17 04:34:20,724 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-17 04:34:20,814 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 04:34:20,814 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-17 04:34:20,814 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 04:34:20,815 INFO L158 Benchmark]: Toolchain (without parser) took 15469.29ms. Allocated memory was 180.4MB in the beginning and 224.4MB in the end (delta: 44.0MB). Free memory was 127.8MB in the beginning and 124.3MB in the end (delta: 3.5MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. [2024-11-17 04:34:20,815 INFO L158 Benchmark]: CDTParser took 0.92ms. Allocated memory is still 180.4MB. Free memory is still 147.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 04:34:20,815 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.61ms. Allocated memory is still 180.4MB. Free memory was 127.8MB in the beginning and 115.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-17 04:34:20,815 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.46ms. Allocated memory is still 180.4MB. Free memory was 115.2MB in the beginning and 113.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 04:34:20,815 INFO L158 Benchmark]: Boogie Preprocessor took 30.22ms. Allocated memory is still 180.4MB. Free memory was 113.8MB in the beginning and 112.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 04:34:20,816 INFO L158 Benchmark]: IcfgBuilder took 464.13ms. Allocated memory is still 180.4MB. Free memory was 112.3MB in the beginning and 97.0MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-17 04:34:20,816 INFO L158 Benchmark]: TraceAbstraction took 14606.43ms. Allocated memory was 180.4MB in the beginning and 224.4MB in the end (delta: 44.0MB). Free memory was 96.3MB in the beginning and 129.5MB in the end (delta: -33.2MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2024-11-17 04:34:20,816 INFO L158 Benchmark]: Witness Printer took 103.53ms. Allocated memory is still 224.4MB. Free memory was 129.5MB in the beginning and 124.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 04:34:20,818 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.92ms. Allocated memory is still 180.4MB. Free memory is still 147.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 225.61ms. Allocated memory is still 180.4MB. Free memory was 127.8MB in the beginning and 115.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.46ms. Allocated memory is still 180.4MB. Free memory was 115.2MB in the beginning and 113.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.22ms. Allocated memory is still 180.4MB. Free memory was 113.8MB in the beginning and 112.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 464.13ms. Allocated memory is still 180.4MB. Free memory was 112.3MB in the beginning and 97.0MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 14606.43ms. Allocated memory was 180.4MB in the beginning and 224.4MB in the end (delta: 44.0MB). Free memory was 96.3MB in the beginning and 129.5MB in the end (delta: -33.2MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Witness Printer took 103.53ms. Allocated memory is still 224.4MB. Free memory was 129.5MB in the beginning and 124.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 79 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 14.3s, OverallIterations: 21, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 758 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 743 mSDsluCounter, 2434 SdHoareTripleChecker+Invalid, 4.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1516 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2364 IncrementalHoareTripleChecker+Invalid, 2410 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 918 mSDtfsCounter, 2364 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1150 GetRequests, 1052 SyntacticMatches, 1 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=145occurred in iteration=18, InterpolantAutomatonStates: 112, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 21 MinimizatonAttempts, 73 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 1682 NumberOfCodeBlocks, 1682 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 1545 ConstructedInterpolants, 0 QuantifiedInterpolants, 5257 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1270 ConjunctsInSsa, 97 ConjunctsInUnsatCore, 30 InterpolantComputations, 13 PerfectInterpolantSequences, 773/939 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 24 specifications checked. All of them hold - InvariantResult [Line: 36]: Location Invariant Derived location invariant: null - ProcedureContractResult [Line: 12]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) - ProcedureContractResult [Line: 15]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (cond != 0) RESULT: Ultimate proved your program to be correct! [2024-11-17 04:34:20,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE