./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.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/dijkstra-u_unwindbound2.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 ee8fbf7ad7c769bb660b4c416c89e8a6070f0c88820552e25f4a5ca5398fd5ca --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 04:22:28,739 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 04:22:28,809 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 04:22:28,815 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 04:22:28,816 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 04:22:28,849 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 04:22:28,850 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 04:22:28,851 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 04:22:28,852 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 04:22:28,853 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 04:22:28,853 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 04:22:28,854 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 04:22:28,854 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 04:22:28,855 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 04:22:28,857 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 04:22:28,857 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 04:22:28,858 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 04:22:28,858 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 04:22:28,858 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 04:22:28,858 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 04:22:28,859 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 04:22:28,863 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 04:22:28,864 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 04:22:28,864 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 04:22:28,864 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 04:22:28,864 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 04:22:28,865 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 04:22:28,865 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 04:22:28,865 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 04:22:28,865 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 04:22:28,866 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 04:22:28,866 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 04:22:28,866 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 04:22:28,866 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 04:22:28,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:22:28,867 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 04:22:28,869 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 04:22:28,869 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 04:22:28,870 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 04:22:28,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 04:22:28,871 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 04:22:28,871 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 04:22:28,872 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 04:22:28,872 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 04:22:28,872 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee8fbf7ad7c769bb660b4c416c89e8a6070f0c88820552e25f4a5ca5398fd5ca [2024-11-17 04:22:29,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 04:22:29,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 04:22:29,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 04:22:29,165 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 04:22:29,166 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 04:22:29,167 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c [2024-11-17 04:22:30,589 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 04:22:30,775 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 04:22:30,776 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c [2024-11-17 04:22:30,783 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4ea1b0c7/e8b4a3160c194ac8929979abfcc471f2/FLAG5a6acda25 [2024-11-17 04:22:31,157 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4ea1b0c7/e8b4a3160c194ac8929979abfcc471f2 [2024-11-17 04:22:31,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 04:22:31,160 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 04:22:31,161 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 04:22:31,162 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 04:22:31,167 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 04:22:31,168 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:22:31" (1/1) ... [2024-11-17 04:22:31,169 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49e6edec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:22:31, skipping insertion in model container [2024-11-17 04:22:31,169 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:22:31" (1/1) ... [2024-11-17 04:22:31,191 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 04:22:31,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:22:31,433 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 04:22:31,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:22:31,489 INFO L204 MainTranslator]: Completed translation [2024-11-17 04:22:31,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:22:31 WrapperNode [2024-11-17 04:22:31,489 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 04:22:31,491 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 04:22:31,491 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 04:22:31,491 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 04:22:31,498 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:22:31" (1/1) ... [2024-11-17 04:22:31,509 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:22:31" (1/1) ... [2024-11-17 04:22:31,532 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2024-11-17 04:22:31,533 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 04:22:31,533 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 04:22:31,534 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 04:22:31,534 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 04:22:31,544 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:22:31" (1/1) ... [2024-11-17 04:22:31,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:22:31" (1/1) ... [2024-11-17 04:22:31,550 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:22:31" (1/1) ... [2024-11-17 04:22:31,565 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 04:22:31,566 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:22:31" (1/1) ... [2024-11-17 04:22:31,566 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:22:31" (1/1) ... [2024-11-17 04:22:31,572 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:22:31" (1/1) ... [2024-11-17 04:22:31,573 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:22:31" (1/1) ... [2024-11-17 04:22:31,574 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:22:31" (1/1) ... [2024-11-17 04:22:31,574 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:22:31" (1/1) ... [2024-11-17 04:22:31,576 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 04:22:31,577 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 04:22:31,577 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 04:22:31,578 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 04:22:31,578 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:22:31" (1/1) ... [2024-11-17 04:22:31,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:22:31,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:31,614 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 04:22:31,618 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 04:22:31,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 04:22:31,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 04:22:31,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 04:22:31,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 04:22:31,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 04:22:31,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 04:22:31,739 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 04:22:31,741 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 04:22:32,002 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-17 04:22:32,002 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 04:22:32,014 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 04:22:32,018 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 04:22:32,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:22:32 BoogieIcfgContainer [2024-11-17 04:22:32,019 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 04:22:32,021 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 04:22:32,022 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 04:22:32,025 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 04:22:32,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:22:31" (1/3) ... [2024-11-17 04:22:32,027 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e651c25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:22:32, skipping insertion in model container [2024-11-17 04:22:32,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:22:31" (2/3) ... [2024-11-17 04:22:32,028 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e651c25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:22:32, skipping insertion in model container [2024-11-17 04:22:32,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:22:32" (3/3) ... [2024-11-17 04:22:32,031 INFO L112 eAbstractionObserver]: Analyzing ICFG dijkstra-u_unwindbound2.c [2024-11-17 04:22:32,048 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 04:22:32,048 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-17 04:22:32,098 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 04:22:32,104 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;@6a4c49b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 04:22:32,104 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-17 04:22:32,110 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 25 states have (on average 1.52) internal successors, (38), 29 states have internal predecessors, (38), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 04:22:32,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-17 04:22:32,116 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:32,117 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-17 04:22:32,117 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:22:32,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:32,122 INFO L85 PathProgramCache]: Analyzing trace with hash -2106808482, now seen corresponding path program 1 times [2024-11-17 04:22:32,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:32,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606359751] [2024-11-17 04:22:32,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:32,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:32,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:32,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:22:32,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:32,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606359751] [2024-11-17 04:22:32,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606359751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:22:32,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:22:32,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:22:32,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774766253] [2024-11-17 04:22:32,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:22:32,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 04:22:32,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:32,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 04:22:32,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:22:32,275 INFO L87 Difference]: Start difference. First operand has 40 states, 25 states have (on average 1.52) internal successors, (38), 29 states have internal predecessors, (38), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:22:32,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:32,295 INFO L93 Difference]: Finished difference Result 76 states and 116 transitions. [2024-11-17 04:22:32,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 04:22:32,296 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-17 04:22:32,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:32,302 INFO L225 Difference]: With dead ends: 76 [2024-11-17 04:22:32,302 INFO L226 Difference]: Without dead ends: 31 [2024-11-17 04:22:32,304 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 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 04:22:32,307 INFO L432 NwaCegarLoop]: 51 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, 51 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 04:22:32,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:22:32,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-11-17 04:22:32,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2024-11-17 04:22:32,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 20 states have (on average 1.35) internal successors, (27), 23 states have internal predecessors, (27), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 04:22:32,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 39 transitions. [2024-11-17 04:22:32,338 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 39 transitions. Word has length 6 [2024-11-17 04:22:32,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:32,338 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 39 transitions. [2024-11-17 04:22:32,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:22:32,338 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2024-11-17 04:22:32,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-17 04:22:32,339 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:32,339 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-17 04:22:32,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 04:22:32,340 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:22:32,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:32,340 INFO L85 PathProgramCache]: Analyzing trace with hash -2106778691, now seen corresponding path program 1 times [2024-11-17 04:22:32,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:32,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076386953] [2024-11-17 04:22:32,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:32,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:32,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:22:32,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:32,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076386953] [2024-11-17 04:22:32,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076386953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:22:32,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:22:32,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:22:32,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214685064] [2024-11-17 04:22:32,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:22:32,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:22:32,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:32,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:22:32,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:22:32,439 INFO L87 Difference]: Start difference. First operand 31 states and 39 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:22:32,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:32,528 INFO L93 Difference]: Finished difference Result 37 states and 45 transitions. [2024-11-17 04:22:32,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:22:32,528 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-17 04:22:32,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:32,529 INFO L225 Difference]: With dead ends: 37 [2024-11-17 04:22:32,529 INFO L226 Difference]: Without dead ends: 36 [2024-11-17 04:22:32,529 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:22:32,530 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 16 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:32,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 82 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:22:32,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-17 04:22:32,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 30. [2024-11-17 04:22:32,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 20 states have (on average 1.3) internal successors, (26), 22 states have internal predecessors, (26), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 04:22:32,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 38 transitions. [2024-11-17 04:22:32,565 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 38 transitions. Word has length 6 [2024-11-17 04:22:32,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:32,566 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 38 transitions. [2024-11-17 04:22:32,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:22:32,566 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2024-11-17 04:22:32,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-17 04:22:32,568 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:32,568 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:32,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 04:22:32,569 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:22:32,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:32,574 INFO L85 PathProgramCache]: Analyzing trace with hash -885629977, now seen corresponding path program 1 times [2024-11-17 04:22:32,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:32,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413825379] [2024-11-17 04:22:32,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:32,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:32,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:22:32,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:32,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413825379] [2024-11-17 04:22:32,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413825379] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:22:32,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:22:32,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:22:32,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932657001] [2024-11-17 04:22:32,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:22:32,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:22:32,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:32,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:22:32,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:22:32,662 INFO L87 Difference]: Start difference. First operand 30 states and 38 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:22:32,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:32,709 INFO L93 Difference]: Finished difference Result 55 states and 70 transitions. [2024-11-17 04:22:32,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:22:32,709 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-17 04:22:32,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:32,710 INFO L225 Difference]: With dead ends: 55 [2024-11-17 04:22:32,711 INFO L226 Difference]: Without dead ends: 35 [2024-11-17 04:22:32,711 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:22:32,712 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 5 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:32,713 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 92 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:22:32,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-17 04:22:32,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2024-11-17 04:22:32,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 25 states have (on average 1.24) internal successors, (31), 27 states have internal predecessors, (31), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 04:22:32,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 43 transitions. [2024-11-17 04:22:32,720 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 43 transitions. Word has length 7 [2024-11-17 04:22:32,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:32,721 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 43 transitions. [2024-11-17 04:22:32,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:22:32,721 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2024-11-17 04:22:32,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-17 04:22:32,721 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:32,721 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:32,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 04:22:32,722 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:22:32,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:32,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1713036394, now seen corresponding path program 1 times [2024-11-17 04:22:32,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:32,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719488679] [2024-11-17 04:22:32,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:32,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:32,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:32,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:22:32,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:32,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719488679] [2024-11-17 04:22:32,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719488679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:22:32,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:22:32,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:22:32,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499009385] [2024-11-17 04:22:32,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:22:32,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:22:32,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:32,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:22:32,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:22:32,852 INFO L87 Difference]: Start difference. First operand 35 states and 43 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:22:32,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:32,958 INFO L93 Difference]: Finished difference Result 35 states and 43 transitions. [2024-11-17 04:22:32,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:22:32,960 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-17 04:22:32,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:32,961 INFO L225 Difference]: With dead ends: 35 [2024-11-17 04:22:32,961 INFO L226 Difference]: Without dead ends: 34 [2024-11-17 04:22:32,961 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:22:32,962 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 50 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:32,962 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 73 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:22:32,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-17 04:22:32,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-11-17 04:22:32,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 25 states have (on average 1.2) internal successors, (30), 26 states have internal predecessors, (30), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 04:22:32,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2024-11-17 04:22:32,975 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 42 transitions. Word has length 12 [2024-11-17 04:22:32,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:32,976 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 42 transitions. [2024-11-17 04:22:32,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:22:32,976 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2024-11-17 04:22:32,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-17 04:22:32,977 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:32,977 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:32,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 04:22:32,977 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:22:32,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:32,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1564520671, now seen corresponding path program 1 times [2024-11-17 04:22:32,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:32,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763876994] [2024-11-17 04:22:32,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:32,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:33,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:22:33,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:33,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763876994] [2024-11-17 04:22:33,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763876994] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:22:33,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:22:33,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:22:33,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745900578] [2024-11-17 04:22:33,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:22:33,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:22:33,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:33,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:22:33,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:22:33,085 INFO L87 Difference]: Start difference. First operand 34 states and 42 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:22:33,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:33,173 INFO L93 Difference]: Finished difference Result 46 states and 55 transitions. [2024-11-17 04:22:33,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:22:33,176 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-17 04:22:33,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:33,177 INFO L225 Difference]: With dead ends: 46 [2024-11-17 04:22:33,177 INFO L226 Difference]: Without dead ends: 45 [2024-11-17 04:22:33,177 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:22:33,179 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 14 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:33,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 129 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:22:33,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-17 04:22:33,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 38. [2024-11-17 04:22:33,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 29 states have (on average 1.206896551724138) internal successors, (35), 30 states have internal predecessors, (35), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 04:22:33,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 47 transitions. [2024-11-17 04:22:33,189 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 47 transitions. Word has length 13 [2024-11-17 04:22:33,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:33,189 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 47 transitions. [2024-11-17 04:22:33,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:22:33,189 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2024-11-17 04:22:33,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-17 04:22:33,190 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:33,190 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:33,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 04:22:33,191 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:22:33,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:33,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1564448180, now seen corresponding path program 1 times [2024-11-17 04:22:33,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:33,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877335058] [2024-11-17 04:22:33,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:33,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:33,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:33,287 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:22:33,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:33,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877335058] [2024-11-17 04:22:33,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877335058] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:33,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1955559852] [2024-11-17 04:22:33,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:33,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:33,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:33,292 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 04:22:33,293 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 04:22:33,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:33,339 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:22:33,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:33,398 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:22:33,398 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:33,466 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:22:33,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1955559852] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:22:33,467 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:22:33,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-11-17 04:22:33,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462946000] [2024-11-17 04:22:33,467 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:33,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:22:33,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:33,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:22:33,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:22:33,469 INFO L87 Difference]: Start difference. First operand 38 states and 47 transitions. Second operand has 10 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 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 04:22:33,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:33,632 INFO L93 Difference]: Finished difference Result 84 states and 105 transitions. [2024-11-17 04:22:33,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-17 04:22:33,635 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-17 04:22:33,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:33,636 INFO L225 Difference]: With dead ends: 84 [2024-11-17 04:22:33,636 INFO L226 Difference]: Without dead ends: 65 [2024-11-17 04:22:33,636 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2024-11-17 04:22:33,637 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 52 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:33,638 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 176 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:22:33,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-17 04:22:33,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 53. [2024-11-17 04:22:33,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 44 states have (on average 1.2045454545454546) internal successors, (53), 45 states have internal predecessors, (53), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 04:22:33,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 65 transitions. [2024-11-17 04:22:33,655 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 65 transitions. Word has length 13 [2024-11-17 04:22:33,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:33,656 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 65 transitions. [2024-11-17 04:22:33,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 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 04:22:33,656 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2024-11-17 04:22:33,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-17 04:22:33,657 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:33,657 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:33,676 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 04:22:33,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-17 04:22:33,858 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:22:33,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:33,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1596179002, now seen corresponding path program 1 times [2024-11-17 04:22:33,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:33,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521056645] [2024-11-17 04:22:33,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:33,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:33,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:33,980 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:22:33,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:33,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521056645] [2024-11-17 04:22:33,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521056645] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:33,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269219884] [2024-11-17 04:22:33,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:33,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:33,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:33,983 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 04:22:33,986 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 04:22:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:34,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:22:34,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:34,080 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:22:34,080 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:34,171 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:22:34,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269219884] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:22:34,172 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:22:34,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-17 04:22:34,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951818593] [2024-11-17 04:22:34,173 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:34,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-17 04:22:34,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:34,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-17 04:22:34,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:22:34,175 INFO L87 Difference]: Start difference. First operand 53 states and 65 transitions. Second operand has 14 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 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 04:22:35,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-17 04:22:35,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:35,598 INFO L93 Difference]: Finished difference Result 92 states and 115 transitions. [2024-11-17 04:22:35,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-17 04:22:35,599 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-17 04:22:35,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:35,600 INFO L225 Difference]: With dead ends: 92 [2024-11-17 04:22:35,600 INFO L226 Difference]: Without dead ends: 91 [2024-11-17 04:22:35,601 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=194, Invalid=562, Unknown=0, NotChecked=0, Total=756 [2024-11-17 04:22:35,601 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 85 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:35,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 190 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-17 04:22:35,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-17 04:22:35,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 73. [2024-11-17 04:22:35,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 57 states have (on average 1.2105263157894737) internal successors, (69), 58 states have internal predecessors, (69), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 04:22:35,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 93 transitions. [2024-11-17 04:22:35,612 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 93 transitions. Word has length 19 [2024-11-17 04:22:35,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:35,612 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 93 transitions. [2024-11-17 04:22:35,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 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 04:22:35,612 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 93 transitions. [2024-11-17 04:22:35,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-17 04:22:35,613 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:35,613 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2024-11-17 04:22:35,626 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 04:22:35,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-17 04:22:35,817 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:22:35,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:35,818 INFO L85 PathProgramCache]: Analyzing trace with hash -66119941, now seen corresponding path program 2 times [2024-11-17 04:22:35,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:35,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949815812] [2024-11-17 04:22:35,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:35,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:35,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:35,937 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:22:35,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:35,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949815812] [2024-11-17 04:22:35,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949815812] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:35,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [575828459] [2024-11-17 04:22:35,938 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:22:35,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:35,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:35,940 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 04:22:35,941 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 04:22:35,983 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:22:35,984 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:22:35,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:22:35,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:36,018 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:22:36,019 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:36,069 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:22:36,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [575828459] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:22:36,070 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:22:36,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 7 [2024-11-17 04:22:36,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860700015] [2024-11-17 04:22:36,070 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:36,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:22:36,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:36,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:22:36,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:22:36,072 INFO L87 Difference]: Start difference. First operand 73 states and 93 transitions. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 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 04:22:36,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:36,152 INFO L93 Difference]: Finished difference Result 102 states and 128 transitions. [2024-11-17 04:22:36,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 04:22:36,153 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2024-11-17 04:22:36,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:36,154 INFO L225 Difference]: With dead ends: 102 [2024-11-17 04:22:36,154 INFO L226 Difference]: Without dead ends: 67 [2024-11-17 04:22:36,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 56 SyntacticMatches, 5 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:22:36,155 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 20 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 141 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 04:22:36,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 141 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:22:36,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-17 04:22:36,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 59. [2024-11-17 04:22:36,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 44 states have (on average 1.1136363636363635) internal successors, (49), 44 states have internal predecessors, (49), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 04:22:36,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 73 transitions. [2024-11-17 04:22:36,163 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 73 transitions. Word has length 31 [2024-11-17 04:22:36,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:36,163 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 73 transitions. [2024-11-17 04:22:36,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 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 04:22:36,164 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2024-11-17 04:22:36,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-17 04:22:36,165 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:36,165 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 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 04:22:36,182 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-17 04:22:36,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:36,370 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:22:36,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:36,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1709522559, now seen corresponding path program 1 times [2024-11-17 04:22:36,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:36,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66591043] [2024-11-17 04:22:36,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:36,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:36,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-17 04:22:36,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:36,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-17 04:22:36,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:36,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-17 04:22:36,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:36,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-17 04:22:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:36,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-17 04:22:36,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:36,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-17 04:22:36,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:36,502 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-11-17 04:22:36,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:36,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66591043] [2024-11-17 04:22:36,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66591043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:22:36,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:22:36,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 04:22:36,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688159558] [2024-11-17 04:22:36,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:22:36,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:22:36,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:36,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:22:36,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:22:36,505 INFO L87 Difference]: Start difference. First operand 59 states and 73 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-17 04:22:36,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:36,540 INFO L93 Difference]: Finished difference Result 82 states and 102 transitions. [2024-11-17 04:22:36,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:22:36,541 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 61 [2024-11-17 04:22:36,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:36,542 INFO L225 Difference]: With dead ends: 82 [2024-11-17 04:22:36,542 INFO L226 Difference]: Without dead ends: 54 [2024-11-17 04:22:36,542 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:22:36,543 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 3 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:36,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 116 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:22:36,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-17 04:22:36,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-17 04:22:36,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 39 states have internal predecessors, (43), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 04:22:36,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 67 transitions. [2024-11-17 04:22:36,557 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 67 transitions. Word has length 61 [2024-11-17 04:22:36,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:36,557 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 67 transitions. [2024-11-17 04:22:36,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-17 04:22:36,558 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2024-11-17 04:22:36,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-17 04:22:36,562 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:36,562 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 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] [2024-11-17 04:22:36,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-17 04:22:36,562 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:22:36,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:36,563 INFO L85 PathProgramCache]: Analyzing trace with hash -525803327, now seen corresponding path program 1 times [2024-11-17 04:22:36,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:36,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664380316] [2024-11-17 04:22:36,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:36,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:36,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-17 04:22:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:36,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:36,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-17 04:22:36,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:36,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-17 04:22:36,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:36,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:22:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:36,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-17 04:22:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:36,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-17 04:22:36,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:36,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-17 04:22:36,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:36,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-17 04:22:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:36,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 04:22:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:36,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-17 04:22:36,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:36,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:36,832 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-17 04:22:36,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:36,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664380316] [2024-11-17 04:22:36,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664380316] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:36,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [107350965] [2024-11-17 04:22:36,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:36,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:36,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:36,834 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 04:22:36,835 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 04:22:36,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:36,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:22:36,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:37,021 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 162 proven. 1 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-17 04:22:37,022 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:37,162 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-17 04:22:37,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [107350965] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:22:37,162 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:22:37,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 8 [2024-11-17 04:22:37,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378191967] [2024-11-17 04:22:37,162 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:37,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:22:37,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:37,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:22:37,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:22:37,164 INFO L87 Difference]: Start difference. First operand 54 states and 67 transitions. Second operand has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 2 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-17 04:22:37,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:37,241 INFO L93 Difference]: Finished difference Result 56 states and 69 transitions. [2024-11-17 04:22:37,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 04:22:37,241 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 2 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 87 [2024-11-17 04:22:37,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:37,242 INFO L225 Difference]: With dead ends: 56 [2024-11-17 04:22:37,242 INFO L226 Difference]: Without dead ends: 0 [2024-11-17 04:22:37,242 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 192 SyntacticMatches, 5 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:22:37,243 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 17 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 75 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 04:22:37,243 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 75 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:22:37,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-17 04:22:37,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-17 04:22:37,244 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 04:22:37,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-17 04:22:37,245 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 87 [2024-11-17 04:22:37,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:37,245 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 04:22:37,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 2 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-17 04:22:37,245 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-17 04:22:37,245 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-17 04:22:37,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-17 04:22:37,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-17 04:22:37,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-17 04:22:37,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-17 04:22:37,265 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 04:22:37,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:37,453 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:37,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-17 04:22:37,537 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 04:22:37,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 04:22:37 BoogieIcfgContainer [2024-11-17 04:22:37,556 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 04:22:37,557 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 04:22:37,557 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 04:22:37,557 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 04:22:37,557 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:22:32" (3/4) ... [2024-11-17 04:22:37,560 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-17 04:22:37,563 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-17 04:22:37,567 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-11-17 04:22:37,568 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-17 04:22:37,568 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-17 04:22:37,568 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-17 04:22:37,657 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 04:22:37,660 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-17 04:22:37,660 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 04:22:37,660 INFO L158 Benchmark]: Toolchain (without parser) took 6500.21ms. Allocated memory was 146.8MB in the beginning and 186.6MB in the end (delta: 39.8MB). Free memory was 76.6MB in the beginning and 88.7MB in the end (delta: -12.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-17 04:22:37,660 INFO L158 Benchmark]: CDTParser took 1.04ms. Allocated memory is still 146.8MB. Free memory is still 97.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 04:22:37,661 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.35ms. Allocated memory was 146.8MB in the beginning and 186.6MB in the end (delta: 39.8MB). Free memory was 76.5MB in the beginning and 158.2MB in the end (delta: -81.8MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2024-11-17 04:22:37,661 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.32ms. Allocated memory is still 186.6MB. Free memory was 158.2MB in the beginning and 156.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 04:22:37,661 INFO L158 Benchmark]: Boogie Preprocessor took 43.04ms. Allocated memory is still 186.6MB. Free memory was 156.1MB in the beginning and 155.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 04:22:37,661 INFO L158 Benchmark]: IcfgBuilder took 441.77ms. Allocated memory is still 186.6MB. Free memory was 155.1MB in the beginning and 137.2MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-17 04:22:37,661 INFO L158 Benchmark]: TraceAbstraction took 5535.38ms. Allocated memory is still 186.6MB. Free memory was 136.2MB in the beginning and 93.9MB in the end (delta: 42.3MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. [2024-11-17 04:22:37,662 INFO L158 Benchmark]: Witness Printer took 103.04ms. Allocated memory is still 186.6MB. Free memory was 93.9MB in the beginning and 88.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 04:22:37,664 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.04ms. Allocated memory is still 146.8MB. Free memory is still 97.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.35ms. Allocated memory was 146.8MB in the beginning and 186.6MB in the end (delta: 39.8MB). Free memory was 76.5MB in the beginning and 158.2MB in the end (delta: -81.8MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.32ms. Allocated memory is still 186.6MB. Free memory was 158.2MB in the beginning and 156.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.04ms. Allocated memory is still 186.6MB. Free memory was 156.1MB in the beginning and 155.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 441.77ms. Allocated memory is still 186.6MB. Free memory was 155.1MB in the beginning and 137.2MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 5535.38ms. Allocated memory is still 186.6MB. Free memory was 136.2MB in the beginning and 93.9MB in the end (delta: 42.3MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. * Witness Printer took 103.04ms. Allocated memory is still 186.6MB. Free memory was 93.9MB in the beginning and 88.7MB 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: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: 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 2 procedures, 40 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 5.4s, OverallIterations: 10, TraceHistogramMax: 12, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 262 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 262 mSDsluCounter, 1125 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 812 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 478 IncrementalHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 313 mSDtfsCounter, 478 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 411 GetRequests, 314 SyntacticMatches, 10 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred in iteration=7, InterpolantAutomatonStates: 88, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 51 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 405 NumberOfCodeBlocks, 405 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 537 ConstructedInterpolants, 0 QuantifiedInterpolants, 1129 SizeOfPredicates, 18 NumberOfNonLiveVariables, 382 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 18 InterpolantComputations, 6 PerfectInterpolantSequences, 1063/1099 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 4 specifications checked. All of them hold - InvariantResult [Line: 30]: Location Invariant Derived location invariant: null - InvariantResult [Line: 20]: Location Invariant Derived location invariant: (((1 <= counter) && (counter <= 2)) || ((2 <= counter) && (counter <= 2147483646))) - ProcedureContractResult [Line: 11]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (counter == \old(counter)) RESULT: Ultimate proved your program to be correct! [2024-11-17 04:22:37,685 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE