./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f 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/sqrt1-ll_unwindbound20.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 4b6ae28789704f5fd465d11d450ce27cd9b971ac76fe8e36268d0ace5b5b057f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 19:35:14,118 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 19:35:14,179 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 19:35:14,183 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 19:35:14,184 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 19:35:14,212 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 19:35:14,213 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 19:35:14,214 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 19:35:14,215 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 19:35:14,215 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 19:35:14,217 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 19:35:14,217 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 19:35:14,217 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 19:35:14,218 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 19:35:14,219 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 19:35:14,219 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 19:35:14,220 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 19:35:14,220 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 19:35:14,220 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 19:35:14,221 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 19:35:14,221 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 19:35:14,225 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 19:35:14,225 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 19:35:14,225 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 19:35:14,226 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 19:35:14,226 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 19:35:14,226 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 19:35:14,226 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 19:35:14,226 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 19:35:14,227 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 19:35:14,227 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 19:35:14,227 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 19:35:14,228 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 19:35:14,228 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 19:35:14,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:35:14,228 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 19:35:14,229 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 19:35:14,229 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 19:35:14,229 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 19:35:14,229 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 19:35:14,230 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 19:35:14,230 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 19:35:14,230 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 19:35:14,231 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 19:35:14,231 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b6ae28789704f5fd465d11d450ce27cd9b971ac76fe8e36268d0ace5b5b057f [2024-11-10 19:35:14,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 19:35:14,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 19:35:14,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 19:35:14,544 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 19:35:14,545 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 19:35:14,547 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound20.c [2024-11-10 19:35:16,135 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 19:35:16,360 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 19:35:16,362 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound20.c [2024-11-10 19:35:16,372 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0caa6a51/016416fb91854c1c841f529bd0997226/FLAGbdc0721bd [2024-11-10 19:35:16,389 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0caa6a51/016416fb91854c1c841f529bd0997226 [2024-11-10 19:35:16,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 19:35:16,394 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 19:35:16,395 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 19:35:16,396 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 19:35:16,403 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 19:35:16,404 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:35:16" (1/1) ... [2024-11-10 19:35:16,405 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69e6b564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:35:16, skipping insertion in model container [2024-11-10 19:35:16,405 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:35:16" (1/1) ... [2024-11-10 19:35:16,427 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 19:35:16,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:35:16,701 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 19:35:16,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:35:16,744 INFO L204 MainTranslator]: Completed translation [2024-11-10 19:35:16,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:35:16 WrapperNode [2024-11-10 19:35:16,745 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 19:35:16,746 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 19:35:16,746 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 19:35:16,746 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 19:35:16,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:35:16" (1/1) ... [2024-11-10 19:35:16,760 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:35:16" (1/1) ... [2024-11-10 19:35:16,785 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 99 [2024-11-10 19:35:16,785 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 19:35:16,786 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 19:35:16,786 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 19:35:16,787 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 19:35:16,797 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:35:16" (1/1) ... [2024-11-10 19:35:16,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:35:16" (1/1) ... [2024-11-10 19:35:16,803 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:35:16" (1/1) ... [2024-11-10 19:35:16,831 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]. [2024-11-10 19:35:16,831 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:35:16" (1/1) ... [2024-11-10 19:35:16,833 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:35:16" (1/1) ... [2024-11-10 19:35:16,836 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:35:16" (1/1) ... [2024-11-10 19:35:16,837 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:35:16" (1/1) ... [2024-11-10 19:35:16,839 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:35:16" (1/1) ... [2024-11-10 19:35:16,840 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:35:16" (1/1) ... [2024-11-10 19:35:16,842 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 19:35:16,843 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 19:35:16,843 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 19:35:16,843 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 19:35:16,847 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:35:16" (1/1) ... [2024-11-10 19:35:16,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:35:16,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:35:16,885 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) [2024-11-10 19:35:16,889 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 [2024-11-10 19:35:16,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 19:35:16,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 19:35:16,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 19:35:16,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 19:35:16,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 19:35:16,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 19:35:17,001 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 19:35:17,003 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 19:35:17,421 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2024-11-10 19:35:17,423 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 19:35:17,447 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 19:35:17,448 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 19:35:17,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:35:17 BoogieIcfgContainer [2024-11-10 19:35:17,448 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 19:35:17,454 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 19:35:17,454 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 19:35:17,457 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 19:35:17,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:35:16" (1/3) ... [2024-11-10 19:35:17,459 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6884c53f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:35:17, skipping insertion in model container [2024-11-10 19:35:17,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:35:16" (2/3) ... [2024-11-10 19:35:17,459 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6884c53f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:35:17, skipping insertion in model container [2024-11-10 19:35:17,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:35:17" (3/3) ... [2024-11-10 19:35:17,460 INFO L112 eAbstractionObserver]: Analyzing ICFG sqrt1-ll_unwindbound20.c [2024-11-10 19:35:17,480 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 19:35:17,481 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 52 error locations. [2024-11-10 19:35:17,545 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 19:35:17,551 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;@126ec13a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 19:35:17,552 INFO L334 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2024-11-10 19:35:17,555 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 69 states have (on average 1.8115942028985508) internal successors, (125), 121 states have internal predecessors, (125), 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) [2024-11-10 19:35:17,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-10 19:35:17,561 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:17,562 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-10 19:35:17,562 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:17,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:17,567 INFO L85 PathProgramCache]: Analyzing trace with hash 4739679, now seen corresponding path program 1 times [2024-11-10 19:35:17,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:17,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255573916] [2024-11-10 19:35:17,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:17,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:17,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:35:17,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:17,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255573916] [2024-11-10 19:35:17,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255573916] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:35:17,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:35:17,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:35:17,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121095203] [2024-11-10 19:35:17,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:35:17,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:35:17,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:17,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:35:17,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:35:17,819 INFO L87 Difference]: Start difference. First operand has 129 states, 69 states have (on average 1.8115942028985508) internal successors, (125), 121 states have internal predecessors, (125), 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) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2024-11-10 19:35:17,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:17,911 INFO L93 Difference]: Finished difference Result 256 states and 286 transitions. [2024-11-10 19:35:17,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:35:17,916 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2024-11-10 19:35:17,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:17,936 INFO L225 Difference]: With dead ends: 256 [2024-11-10 19:35:17,937 INFO L226 Difference]: Without dead ends: 123 [2024-11-10 19:35:17,944 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 [2024-11-10 19:35:17,949 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 6 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:17,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 370 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:35:17,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-10 19:35:18,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-11-10 19:35:18,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 69 states have (on average 1.710144927536232) internal successors, (118), 116 states have internal predecessors, (118), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:35:18,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 128 transitions. [2024-11-10 19:35:18,016 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 128 transitions. Word has length 4 [2024-11-10 19:35:18,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:18,016 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 128 transitions. [2024-11-10 19:35:18,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2024-11-10 19:35:18,016 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 128 transitions. [2024-11-10 19:35:18,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-10 19:35:18,017 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:18,017 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:35:18,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 19:35:18,017 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:18,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:18,018 INFO L85 PathProgramCache]: Analyzing trace with hash 624092315, now seen corresponding path program 1 times [2024-11-10 19:35:18,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:18,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403010471] [2024-11-10 19:35:18,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:18,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:18,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:18,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:35:18,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:18,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403010471] [2024-11-10 19:35:18,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403010471] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:35:18,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:35:18,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:35:18,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586931969] [2024-11-10 19:35:18,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:35:18,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:35:18,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:18,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:35:18,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:35:18,091 INFO L87 Difference]: Start difference. First operand 123 states and 128 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:35:18,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:18,243 INFO L93 Difference]: Finished difference Result 218 states and 228 transitions. [2024-11-10 19:35:18,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:35:18,244 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-10 19:35:18,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:18,246 INFO L225 Difference]: With dead ends: 218 [2024-11-10 19:35:18,246 INFO L226 Difference]: Without dead ends: 198 [2024-11-10 19:35:18,247 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:35:18,248 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 69 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:18,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 179 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:35:18,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-10 19:35:18,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 162. [2024-11-10 19:35:18,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 104 states have (on average 1.5865384615384615) internal successors, (165), 151 states have internal predecessors, (165), 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) [2024-11-10 19:35:18,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 183 transitions. [2024-11-10 19:35:18,274 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 183 transitions. Word has length 8 [2024-11-10 19:35:18,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:18,274 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 183 transitions. [2024-11-10 19:35:18,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:35:18,275 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 183 transitions. [2024-11-10 19:35:18,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-10 19:35:18,276 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:18,276 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:35:18,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 19:35:18,276 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:18,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:18,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1215790803, now seen corresponding path program 1 times [2024-11-10 19:35:18,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:18,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374788079] [2024-11-10 19:35:18,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:18,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:35:18,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [145910949] [2024-11-10 19:35:18,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:18,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:18,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:35:18,320 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) [2024-11-10 19:35:18,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 19:35:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:18,384 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:35:18,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:35:18,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:35:18,477 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:35:18,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:18,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374788079] [2024-11-10 19:35:18,479 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:35:18,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [145910949] [2024-11-10 19:35:18,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [145910949] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:35:18,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:35:18,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:35:18,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681950010] [2024-11-10 19:35:18,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:35:18,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:35:18,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:18,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:35:18,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:35:18,485 INFO L87 Difference]: Start difference. First operand 162 states and 183 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:35:18,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:18,633 INFO L93 Difference]: Finished difference Result 191 states and 213 transitions. [2024-11-10 19:35:18,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:35:18,634 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2024-11-10 19:35:18,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:18,636 INFO L225 Difference]: With dead ends: 191 [2024-11-10 19:35:18,636 INFO L226 Difference]: Without dead ends: 183 [2024-11-10 19:35:18,637 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:35:18,638 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 43 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:18,639 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 173 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:35:18,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-10 19:35:18,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 174. [2024-11-10 19:35:18,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 115 states have (on average 1.5391304347826087) internal successors, (177), 162 states have internal predecessors, (177), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 19:35:18,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 197 transitions. [2024-11-10 19:35:18,657 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 197 transitions. Word has length 29 [2024-11-10 19:35:18,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:18,657 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 197 transitions. [2024-11-10 19:35:18,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:35:18,658 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 197 transitions. [2024-11-10 19:35:18,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-10 19:35:18,659 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:18,659 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:35:18,676 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 19:35:18,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:18,860 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:18,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:18,861 INFO L85 PathProgramCache]: Analyzing trace with hash -965190715, now seen corresponding path program 1 times [2024-11-10 19:35:18,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:18,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000912829] [2024-11-10 19:35:18,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:18,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:18,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:18,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:35:18,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:18,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 19:35:18,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:18,988 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:35:18,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:18,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000912829] [2024-11-10 19:35:18,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000912829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:35:18,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:35:18,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:35:18,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387492214] [2024-11-10 19:35:18,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:35:18,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:35:18,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:18,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:35:18,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:35:18,991 INFO L87 Difference]: Start difference. First operand 174 states and 197 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:35:19,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:19,099 INFO L93 Difference]: Finished difference Result 192 states and 210 transitions. [2024-11-10 19:35:19,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:35:19,100 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2024-11-10 19:35:19,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:19,101 INFO L225 Difference]: With dead ends: 192 [2024-11-10 19:35:19,102 INFO L226 Difference]: Without dead ends: 182 [2024-11-10 19:35:19,104 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:35:19,105 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 41 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:19,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 188 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:35:19,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-10 19:35:19,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 177. [2024-11-10 19:35:19,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 118 states have (on average 1.4661016949152543) internal successors, (173), 165 states have internal predecessors, (173), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 19:35:19,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 193 transitions. [2024-11-10 19:35:19,135 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 193 transitions. Word has length 30 [2024-11-10 19:35:19,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:19,136 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 193 transitions. [2024-11-10 19:35:19,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:35:19,140 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 193 transitions. [2024-11-10 19:35:19,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-10 19:35:19,141 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:19,141 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:35:19,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 19:35:19,142 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:19,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:19,143 INFO L85 PathProgramCache]: Analyzing trace with hash 809509711, now seen corresponding path program 1 times [2024-11-10 19:35:19,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:19,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823241200] [2024-11-10 19:35:19,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:19,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:19,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:19,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:35:19,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:19,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 19:35:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:19,321 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:35:19,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:19,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823241200] [2024-11-10 19:35:19,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823241200] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:35:19,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:35:19,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:35:19,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265933555] [2024-11-10 19:35:19,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:35:19,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:35:19,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:19,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:35:19,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:35:19,328 INFO L87 Difference]: Start difference. First operand 177 states and 193 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:35:19,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:19,482 INFO L93 Difference]: Finished difference Result 184 states and 200 transitions. [2024-11-10 19:35:19,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:35:19,483 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2024-11-10 19:35:19,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:19,484 INFO L225 Difference]: With dead ends: 184 [2024-11-10 19:35:19,485 INFO L226 Difference]: Without dead ends: 182 [2024-11-10 19:35:19,485 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:35:19,486 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 54 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:19,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 235 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:35:19,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-10 19:35:19,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 177. [2024-11-10 19:35:19,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 118 states have (on average 1.4491525423728813) internal successors, (171), 165 states have internal predecessors, (171), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 19:35:19,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 191 transitions. [2024-11-10 19:35:19,507 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 191 transitions. Word has length 33 [2024-11-10 19:35:19,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:19,508 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 191 transitions. [2024-11-10 19:35:19,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:35:19,508 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 191 transitions. [2024-11-10 19:35:19,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-10 19:35:19,509 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:19,509 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:35:19,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 19:35:19,510 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:19,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:19,510 INFO L85 PathProgramCache]: Analyzing trace with hash 31877067, now seen corresponding path program 1 times [2024-11-10 19:35:19,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:19,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368791992] [2024-11-10 19:35:19,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:19,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:19,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:19,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:35:19,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:19,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 19:35:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:19,649 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:35:19,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:19,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368791992] [2024-11-10 19:35:19,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368791992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:35:19,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:35:19,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:35:19,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348008060] [2024-11-10 19:35:19,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:35:19,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:35:19,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:19,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:35:19,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:35:19,652 INFO L87 Difference]: Start difference. First operand 177 states and 191 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:35:19,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:19,775 INFO L93 Difference]: Finished difference Result 183 states and 193 transitions. [2024-11-10 19:35:19,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:35:19,776 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 37 [2024-11-10 19:35:19,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:19,777 INFO L225 Difference]: With dead ends: 183 [2024-11-10 19:35:19,777 INFO L226 Difference]: Without dead ends: 155 [2024-11-10 19:35:19,778 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:35:19,778 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 31 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:19,779 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 160 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:35:19,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-10 19:35:19,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 154. [2024-11-10 19:35:19,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 97 states have (on average 1.5051546391752577) internal successors, (146), 144 states have internal predecessors, (146), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:35:19,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 162 transitions. [2024-11-10 19:35:19,796 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 162 transitions. Word has length 37 [2024-11-10 19:35:19,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:19,796 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 162 transitions. [2024-11-10 19:35:19,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:35:19,796 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 162 transitions. [2024-11-10 19:35:19,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-10 19:35:19,797 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:19,797 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:35:19,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 19:35:19,798 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:19,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:19,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1331061854, now seen corresponding path program 1 times [2024-11-10 19:35:19,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:19,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814880686] [2024-11-10 19:35:19,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:19,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:19,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:19,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:35:19,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:19,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 19:35:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:19,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:35:19,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:19,941 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:35:19,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:19,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814880686] [2024-11-10 19:35:19,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814880686] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:35:19,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:35:19,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:35:19,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736808015] [2024-11-10 19:35:19,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:35:19,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:35:19,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:19,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:35:19,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:35:19,962 INFO L87 Difference]: Start difference. First operand 154 states and 162 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:35:20,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:20,173 INFO L93 Difference]: Finished difference Result 159 states and 168 transitions. [2024-11-10 19:35:20,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:35:20,175 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 52 [2024-11-10 19:35:20,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:20,177 INFO L225 Difference]: With dead ends: 159 [2024-11-10 19:35:20,177 INFO L226 Difference]: Without dead ends: 158 [2024-11-10 19:35:20,177 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:35:20,178 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 2 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:20,178 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 230 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:35:20,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-10 19:35:20,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 156. [2024-11-10 19:35:20,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 99 states have (on average 1.494949494949495) internal successors, (148), 146 states have internal predecessors, (148), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:35:20,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 164 transitions. [2024-11-10 19:35:20,188 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 164 transitions. Word has length 52 [2024-11-10 19:35:20,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:20,190 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 164 transitions. [2024-11-10 19:35:20,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:35:20,190 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 164 transitions. [2024-11-10 19:35:20,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-10 19:35:20,194 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:20,194 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:35:20,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 19:35:20,194 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:20,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:20,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1686755507, now seen corresponding path program 1 times [2024-11-10 19:35:20,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:20,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725193941] [2024-11-10 19:35:20,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:20,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:20,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:35:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:20,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 19:35:20,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:20,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:35:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:20,333 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:35:20,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:20,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725193941] [2024-11-10 19:35:20,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725193941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:35:20,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:35:20,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:35:20,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097060015] [2024-11-10 19:35:20,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:35:20,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:35:20,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:20,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:35:20,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:35:20,338 INFO L87 Difference]: Start difference. First operand 156 states and 164 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:35:20,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:20,431 INFO L93 Difference]: Finished difference Result 159 states and 167 transitions. [2024-11-10 19:35:20,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:35:20,432 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 53 [2024-11-10 19:35:20,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:20,434 INFO L225 Difference]: With dead ends: 159 [2024-11-10 19:35:20,437 INFO L226 Difference]: Without dead ends: 158 [2024-11-10 19:35:20,437 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:35:20,438 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 1 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:20,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 169 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:35:20,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-10 19:35:20,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 157. [2024-11-10 19:35:20,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 100 states have (on average 1.49) internal successors, (149), 147 states have internal predecessors, (149), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:35:20,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 165 transitions. [2024-11-10 19:35:20,445 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 165 transitions. Word has length 53 [2024-11-10 19:35:20,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:20,446 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 165 transitions. [2024-11-10 19:35:20,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:35:20,446 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 165 transitions. [2024-11-10 19:35:20,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-10 19:35:20,447 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:20,447 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:35:20,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 19:35:20,448 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:20,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:20,448 INFO L85 PathProgramCache]: Analyzing trace with hash -984032033, now seen corresponding path program 1 times [2024-11-10 19:35:20,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:20,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928945697] [2024-11-10 19:35:20,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:20,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:20,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:20,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:35:20,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:20,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 19:35:20,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:20,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:35:20,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:20,588 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:35:20,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:20,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928945697] [2024-11-10 19:35:20,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928945697] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:35:20,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731353253] [2024-11-10 19:35:20,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:20,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:20,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:35:20,591 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) [2024-11-10 19:35:20,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 19:35:20,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:20,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:35:20,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:35:20,814 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:35:20,814 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:35:20,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [731353253] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:35:20,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:35:20,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-10 19:35:20,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62495352] [2024-11-10 19:35:20,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:35:20,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:35:20,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:20,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:35:20,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:35:20,818 INFO L87 Difference]: Start difference. First operand 157 states and 165 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:35:20,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:20,862 INFO L93 Difference]: Finished difference Result 157 states and 165 transitions. [2024-11-10 19:35:20,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:35:20,863 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 56 [2024-11-10 19:35:20,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:20,864 INFO L225 Difference]: With dead ends: 157 [2024-11-10 19:35:20,865 INFO L226 Difference]: Without dead ends: 156 [2024-11-10 19:35:20,865 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:35:20,866 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 81 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 343 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 [2024-11-10 19:35:20,866 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 343 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:35:20,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-10 19:35:20,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2024-11-10 19:35:20,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 100 states have (on average 1.48) internal successors, (148), 146 states have internal predecessors, (148), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:35:20,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 164 transitions. [2024-11-10 19:35:20,878 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 164 transitions. Word has length 56 [2024-11-10 19:35:20,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:20,880 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 164 transitions. [2024-11-10 19:35:20,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:35:20,881 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 164 transitions. [2024-11-10 19:35:20,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-10 19:35:20,881 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:20,881 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:35:20,899 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 19:35:21,082 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,SelfDestructingSolverStorable8 [2024-11-10 19:35:21,082 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:21,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:21,083 INFO L85 PathProgramCache]: Analyzing trace with hash -440221864, now seen corresponding path program 1 times [2024-11-10 19:35:21,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:21,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044867470] [2024-11-10 19:35:21,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:21,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:21,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:21,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:35:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:21,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 19:35:21,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:21,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:35:21,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:21,193 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:35:21,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:21,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044867470] [2024-11-10 19:35:21,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044867470] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:35:21,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1436094932] [2024-11-10 19:35:21,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:21,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:21,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:35:21,197 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) [2024-11-10 19:35:21,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 19:35:21,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:21,254 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:35:21,256 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:35:21,379 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:35:21,379 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:35:21,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1436094932] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:35:21,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:35:21,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-10 19:35:21,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256666009] [2024-11-10 19:35:21,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:35:21,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:35:21,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:21,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:35:21,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:35:21,383 INFO L87 Difference]: Start difference. First operand 156 states and 164 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:35:21,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:21,451 INFO L93 Difference]: Finished difference Result 204 states and 212 transitions. [2024-11-10 19:35:21,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:35:21,452 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 57 [2024-11-10 19:35:21,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:21,453 INFO L225 Difference]: With dead ends: 204 [2024-11-10 19:35:21,453 INFO L226 Difference]: Without dead ends: 203 [2024-11-10 19:35:21,454 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:35:21,454 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 80 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:21,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 515 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:35:21,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-10 19:35:21,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 171. [2024-11-10 19:35:21,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 113 states have (on average 1.4955752212389382) internal successors, (169), 159 states have internal predecessors, (169), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 19:35:21,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 189 transitions. [2024-11-10 19:35:21,466 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 189 transitions. Word has length 57 [2024-11-10 19:35:21,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:21,466 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 189 transitions. [2024-11-10 19:35:21,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:35:21,467 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 189 transitions. [2024-11-10 19:35:21,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-10 19:35:21,467 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:21,468 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:35:21,484 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 19:35:21,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:21,669 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:21,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:21,669 INFO L85 PathProgramCache]: Analyzing trace with hash -2114310468, now seen corresponding path program 1 times [2024-11-10 19:35:21,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:21,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977247346] [2024-11-10 19:35:21,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:21,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:21,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:21,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:35:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:21,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 19:35:21,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:21,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:35:21,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:21,752 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:35:21,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:21,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977247346] [2024-11-10 19:35:21,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977247346] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:35:21,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1201984812] [2024-11-10 19:35:21,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:21,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:21,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:35:21,754 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) [2024-11-10 19:35:21,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 19:35:21,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:21,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:35:21,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:35:21,899 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:35:21,899 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:35:21,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1201984812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:35:21,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:35:21,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-10 19:35:21,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456384483] [2024-11-10 19:35:21,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:35:21,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:35:21,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:21,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:35:21,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:35:21,901 INFO L87 Difference]: Start difference. First operand 171 states and 189 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:35:21,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:21,997 INFO L93 Difference]: Finished difference Result 171 states and 189 transitions. [2024-11-10 19:35:21,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:35:21,998 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 60 [2024-11-10 19:35:21,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:22,000 INFO L225 Difference]: With dead ends: 171 [2024-11-10 19:35:22,000 INFO L226 Difference]: Without dead ends: 162 [2024-11-10 19:35:22,000 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:35:22,001 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 122 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:22,002 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 132 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:35:22,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-10 19:35:22,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2024-11-10 19:35:22,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 113 states have (on average 1.3805309734513274) internal successors, (156), 150 states have internal predecessors, (156), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 19:35:22,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 176 transitions. [2024-11-10 19:35:22,010 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 176 transitions. Word has length 60 [2024-11-10 19:35:22,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:22,011 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 176 transitions. [2024-11-10 19:35:22,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:35:22,011 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 176 transitions. [2024-11-10 19:35:22,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-10 19:35:22,012 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:22,012 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:35:22,028 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-10 19:35:22,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:22,213 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:22,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:22,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1119115052, now seen corresponding path program 1 times [2024-11-10 19:35:22,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:22,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719811159] [2024-11-10 19:35:22,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:22,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:22,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:22,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:35:22,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:22,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 19:35:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:22,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:35:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:22,290 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:35:22,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:22,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719811159] [2024-11-10 19:35:22,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719811159] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:35:22,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977814669] [2024-11-10 19:35:22,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:22,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:22,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:35:22,297 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:35:22,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 19:35:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:22,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:35:22,350 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:35:22,426 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:35:22,426 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:35:22,555 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:35:22,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [977814669] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:35:22,555 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:35:22,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-10 19:35:22,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617098060] [2024-11-10 19:35:22,555 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:35:22,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:35:22,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:22,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:35:22,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:35:22,557 INFO L87 Difference]: Start difference. First operand 162 states and 176 transitions. Second operand has 7 states, 6 states have (on average 21.0) internal successors, (126), 7 states have internal predecessors, (126), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-10 19:35:22,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:22,725 INFO L93 Difference]: Finished difference Result 292 states and 343 transitions. [2024-11-10 19:35:22,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:35:22,726 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 21.0) internal successors, (126), 7 states have internal predecessors, (126), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 61 [2024-11-10 19:35:22,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:22,728 INFO L225 Difference]: With dead ends: 292 [2024-11-10 19:35:22,729 INFO L226 Difference]: Without dead ends: 283 [2024-11-10 19:35:22,729 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:35:22,729 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 146 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:22,730 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 302 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:35:22,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-11-10 19:35:22,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 153. [2024-11-10 19:35:22,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 113 states have (on average 1.2654867256637168) internal successors, (143), 141 states have internal predecessors, (143), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 19:35:22,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 163 transitions. [2024-11-10 19:35:22,742 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 163 transitions. Word has length 61 [2024-11-10 19:35:22,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:22,743 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 163 transitions. [2024-11-10 19:35:22,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 21.0) internal successors, (126), 7 states have internal predecessors, (126), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-10 19:35:22,744 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 163 transitions. [2024-11-10 19:35:22,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-10 19:35:22,748 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:22,748 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:35:22,764 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 19:35:22,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-10 19:35:22,949 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:22,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:22,950 INFO L85 PathProgramCache]: Analyzing trace with hash 96049175, now seen corresponding path program 1 times [2024-11-10 19:35:22,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:22,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597587281] [2024-11-10 19:35:22,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:22,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:23,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:35:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:23,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 19:35:23,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:23,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:35:23,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:23,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 19:35:23,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:23,064 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:35:23,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:23,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597587281] [2024-11-10 19:35:23,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597587281] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:35:23,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [693325357] [2024-11-10 19:35:23,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:23,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:23,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:35:23,067 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:35:23,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 19:35:23,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:23,116 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:35:23,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:35:23,231 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:35:23,232 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:35:23,340 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:35:23,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [693325357] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:35:23,341 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:35:23,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 13 [2024-11-10 19:35:23,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062777996] [2024-11-10 19:35:23,341 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:35:23,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 19:35:23,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:23,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 19:35:23,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:35:23,344 INFO L87 Difference]: Start difference. First operand 153 states and 163 transitions. Second operand has 13 states, 13 states have (on average 8.76923076923077) internal successors, (114), 13 states have internal predecessors, (114), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-10 19:35:23,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:23,539 INFO L93 Difference]: Finished difference Result 395 states and 415 transitions. [2024-11-10 19:35:23,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 19:35:23,541 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.76923076923077) internal successors, (114), 13 states have internal predecessors, (114), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 74 [2024-11-10 19:35:23,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:23,544 INFO L225 Difference]: With dead ends: 395 [2024-11-10 19:35:23,545 INFO L226 Difference]: Without dead ends: 355 [2024-11-10 19:35:23,545 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2024-11-10 19:35:23,546 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 177 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:23,546 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 549 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:35:23,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-10 19:35:23,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 275. [2024-11-10 19:35:23,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 222 states have (on average 1.2972972972972974) internal successors, (288), 252 states have internal predecessors, (288), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 17 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 19:35:23,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 328 transitions. [2024-11-10 19:35:23,568 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 328 transitions. Word has length 74 [2024-11-10 19:35:23,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:23,568 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 328 transitions. [2024-11-10 19:35:23,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.76923076923077) internal successors, (114), 13 states have internal predecessors, (114), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-10 19:35:23,569 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 328 transitions. [2024-11-10 19:35:23,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-10 19:35:23,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:23,571 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:35:23,592 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 19:35:23,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:23,772 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:23,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:23,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1906372094, now seen corresponding path program 1 times [2024-11-10 19:35:23,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:23,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659314628] [2024-11-10 19:35:23,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:23,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:23,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:35:23,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1035527722] [2024-11-10 19:35:23,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:23,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:23,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:35:23,793 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:35:23,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 19:35:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:23,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:35:23,844 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:35:23,944 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:35:23,944 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:35:24,126 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:35:24,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:24,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659314628] [2024-11-10 19:35:24,127 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:35:24,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1035527722] [2024-11-10 19:35:24,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1035527722] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:35:24,127 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:35:24,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-10 19:35:24,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900347613] [2024-11-10 19:35:24,128 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:35:24,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:35:24,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:24,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:35:24,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:35:24,129 INFO L87 Difference]: Start difference. First operand 275 states and 328 transitions. Second operand has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-10 19:35:24,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:24,358 INFO L93 Difference]: Finished difference Result 364 states and 385 transitions. [2024-11-10 19:35:24,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:35:24,359 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 74 [2024-11-10 19:35:24,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:24,361 INFO L225 Difference]: With dead ends: 364 [2024-11-10 19:35:24,361 INFO L226 Difference]: Without dead ends: 362 [2024-11-10 19:35:24,361 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:35:24,361 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 345 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:24,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 334 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:35:24,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-10 19:35:24,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 286. [2024-11-10 19:35:24,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 232 states have (on average 1.2629310344827587) internal successors, (293), 262 states have internal predecessors, (293), 21 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 18 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-10 19:35:24,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 335 transitions. [2024-11-10 19:35:24,377 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 335 transitions. Word has length 74 [2024-11-10 19:35:24,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:24,377 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 335 transitions. [2024-11-10 19:35:24,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-10 19:35:24,378 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 335 transitions. [2024-11-10 19:35:24,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-10 19:35:24,378 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:24,378 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:35:24,394 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-10 19:35:24,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:24,583 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:24,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:24,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1759495251, now seen corresponding path program 1 times [2024-11-10 19:35:24,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:24,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831054711] [2024-11-10 19:35:24,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:24,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:24,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:35:24,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [498179221] [2024-11-10 19:35:24,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:24,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:24,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:35:24,607 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:35:24,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 19:35:24,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:24,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:35:24,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:35:24,759 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:35:24,760 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:35:24,955 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:35:24,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:24,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831054711] [2024-11-10 19:35:24,956 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:35:24,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498179221] [2024-11-10 19:35:24,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [498179221] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:35:24,957 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:35:24,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-10 19:35:24,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855114053] [2024-11-10 19:35:24,957 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:35:24,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:35:24,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:24,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:35:24,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:35:24,960 INFO L87 Difference]: Start difference. First operand 286 states and 335 transitions. Second operand has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 states have internal predecessors, (114), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-10 19:35:25,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:25,217 INFO L93 Difference]: Finished difference Result 325 states and 387 transitions. [2024-11-10 19:35:25,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:35:25,218 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 states have internal predecessors, (114), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 81 [2024-11-10 19:35:25,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:25,219 INFO L225 Difference]: With dead ends: 325 [2024-11-10 19:35:25,219 INFO L226 Difference]: Without dead ends: 317 [2024-11-10 19:35:25,220 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:35:25,220 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 200 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:25,220 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 266 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:35:25,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-10 19:35:25,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 285. [2024-11-10 19:35:25,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 236 states have (on average 1.1906779661016949) internal successors, (281), 259 states have internal predecessors, (281), 22 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-10 19:35:25,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 325 transitions. [2024-11-10 19:35:25,245 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 325 transitions. Word has length 81 [2024-11-10 19:35:25,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:25,245 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 325 transitions. [2024-11-10 19:35:25,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 states have internal predecessors, (114), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-10 19:35:25,246 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 325 transitions. [2024-11-10 19:35:25,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-10 19:35:25,246 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:25,247 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:35:25,263 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-10 19:35:25,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-10 19:35:25,451 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:25,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:25,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1290222011, now seen corresponding path program 1 times [2024-11-10 19:35:25,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:25,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132816917] [2024-11-10 19:35:25,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:25,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:25,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:25,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:35:25,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:25,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 19:35:25,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:25,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:35:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:25,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 19:35:25,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:25,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 19:35:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:25,582 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:35:25,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:25,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132816917] [2024-11-10 19:35:25,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132816917] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:35:25,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2023079927] [2024-11-10 19:35:25,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:25,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:25,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:35:25,586 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:35:25,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 19:35:25,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:25,633 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:35:25,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:35:25,815 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:35:25,816 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:35:25,937 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:35:25,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2023079927] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:35:25,937 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:35:25,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-10 19:35:25,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468290983] [2024-11-10 19:35:25,938 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:35:25,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:35:25,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:25,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:35:25,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:35:25,940 INFO L87 Difference]: Start difference. First operand 285 states and 325 transitions. Second operand has 10 states, 9 states have (on average 17.11111111111111) internal successors, (154), 10 states have internal predecessors, (154), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-10 19:35:26,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:26,122 INFO L93 Difference]: Finished difference Result 285 states and 325 transitions. [2024-11-10 19:35:26,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:35:26,123 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 17.11111111111111) internal successors, (154), 10 states have internal predecessors, (154), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 82 [2024-11-10 19:35:26,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:26,124 INFO L225 Difference]: With dead ends: 285 [2024-11-10 19:35:26,125 INFO L226 Difference]: Without dead ends: 282 [2024-11-10 19:35:26,125 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:35:26,125 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 181 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:26,126 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 192 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:35:26,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2024-11-10 19:35:26,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2024-11-10 19:35:26,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 236 states have (on average 1.1610169491525424) internal successors, (274), 256 states have internal predecessors, (274), 22 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-10 19:35:26,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 318 transitions. [2024-11-10 19:35:26,141 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 318 transitions. Word has length 82 [2024-11-10 19:35:26,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:26,141 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 318 transitions. [2024-11-10 19:35:26,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 17.11111111111111) internal successors, (154), 10 states have internal predecessors, (154), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-10 19:35:26,142 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 318 transitions. [2024-11-10 19:35:26,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-10 19:35:26,142 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:26,142 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:35:26,159 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-10 19:35:26,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-10 19:35:26,347 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:26,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:26,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1342176623, now seen corresponding path program 1 times [2024-11-10 19:35:26,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:26,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214873624] [2024-11-10 19:35:26,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:26,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:26,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:35:26,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:26,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 19:35:26,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:26,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:35:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:26,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 19:35:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:26,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 19:35:26,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:26,493 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:35:26,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:26,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214873624] [2024-11-10 19:35:26,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214873624] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:35:26,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165287248] [2024-11-10 19:35:26,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:26,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:26,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:35:26,496 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:35:26,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-10 19:35:26,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:26,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:35:26,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:35:26,735 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:35:26,736 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:35:26,876 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:35:26,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1165287248] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:35:26,876 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:35:26,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-10 19:35:26,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121779721] [2024-11-10 19:35:26,877 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:35:26,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:35:26,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:26,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:35:26,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:35:26,880 INFO L87 Difference]: Start difference. First operand 282 states and 318 transitions. Second operand has 10 states, 9 states have (on average 17.333333333333332) internal successors, (156), 10 states have internal predecessors, (156), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-10 19:35:27,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:27,166 INFO L93 Difference]: Finished difference Result 299 states and 339 transitions. [2024-11-10 19:35:27,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:35:27,167 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 17.333333333333332) internal successors, (156), 10 states have internal predecessors, (156), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 83 [2024-11-10 19:35:27,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:27,168 INFO L225 Difference]: With dead ends: 299 [2024-11-10 19:35:27,168 INFO L226 Difference]: Without dead ends: 290 [2024-11-10 19:35:27,169 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=72, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:35:27,169 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 124 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:27,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 302 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:35:27,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-11-10 19:35:27,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 278. [2024-11-10 19:35:27,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 238 states have (on average 1.096638655462185) internal successors, (261), 252 states have internal predecessors, (261), 22 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-10 19:35:27,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 305 transitions. [2024-11-10 19:35:27,187 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 305 transitions. Word has length 83 [2024-11-10 19:35:27,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:27,188 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 305 transitions. [2024-11-10 19:35:27,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 17.333333333333332) internal successors, (156), 10 states have internal predecessors, (156), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-10 19:35:27,188 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 305 transitions. [2024-11-10 19:35:27,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-10 19:35:27,189 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:27,189 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:35:27,206 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-10 19:35:27,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-10 19:35:27,390 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:27,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:27,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1341544241, now seen corresponding path program 1 times [2024-11-10 19:35:27,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:27,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550606601] [2024-11-10 19:35:27,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:27,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:27,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:35:27,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:27,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 19:35:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:27,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:35:27,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:27,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 19:35:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:27,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 19:35:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:27,513 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:35:27,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:27,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550606601] [2024-11-10 19:35:27,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550606601] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:35:27,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447611353] [2024-11-10 19:35:27,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:27,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:27,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:35:27,516 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:35:27,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-10 19:35:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:27,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:35:27,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:35:27,870 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:35:27,870 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:35:27,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1447611353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:35:27,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:35:27,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-10 19:35:27,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382811276] [2024-11-10 19:35:27,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:35:27,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:35:27,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:27,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:35:27,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:35:27,872 INFO L87 Difference]: Start difference. First operand 278 states and 305 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:35:28,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:28,027 INFO L93 Difference]: Finished difference Result 278 states and 305 transitions. [2024-11-10 19:35:28,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:35:28,028 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 85 [2024-11-10 19:35:28,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:28,029 INFO L225 Difference]: With dead ends: 278 [2024-11-10 19:35:28,029 INFO L226 Difference]: Without dead ends: 224 [2024-11-10 19:35:28,030 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:35:28,030 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 86 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:28,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 164 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:35:28,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-11-10 19:35:28,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2024-11-10 19:35:28,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 196 states have (on average 1.0408163265306123) internal successors, (204), 202 states have internal predecessors, (204), 16 states have call successors, (16), 5 states have call predecessors, (16), 5 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-10 19:35:28,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 236 transitions. [2024-11-10 19:35:28,042 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 236 transitions. Word has length 85 [2024-11-10 19:35:28,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:28,043 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 236 transitions. [2024-11-10 19:35:28,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:35:28,043 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 236 transitions. [2024-11-10 19:35:28,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-10 19:35:28,044 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:28,044 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1] [2024-11-10 19:35:28,061 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-10 19:35:28,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-10 19:35:28,249 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:28,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:28,249 INFO L85 PathProgramCache]: Analyzing trace with hash 2107220915, now seen corresponding path program 1 times [2024-11-10 19:35:28,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:28,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782590591] [2024-11-10 19:35:28,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:28,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:28,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:28,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:35:28,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:28,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 19:35:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:28,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:35:28,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:28,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 19:35:28,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:28,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 19:35:28,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:28,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-10 19:35:28,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:28,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 19:35:28,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:28,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 19:35:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:28,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 19:35:28,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:28,478 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-10 19:35:28,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:28,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782590591] [2024-11-10 19:35:28,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782590591] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:35:28,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [202504766] [2024-11-10 19:35:28,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:28,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:28,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:35:28,481 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:35:28,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-10 19:35:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:28,560 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 19:35:28,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:35:29,080 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-10 19:35:29,081 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:35:29,357 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-10 19:35:29,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [202504766] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:35:29,357 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:35:29,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2024-11-10 19:35:29,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742155578] [2024-11-10 19:35:29,358 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:35:29,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-10 19:35:29,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:29,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-10 19:35:29,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=236, Unknown=0, NotChecked=0, Total=380 [2024-11-10 19:35:29,362 INFO L87 Difference]: Start difference. First operand 224 states and 236 transitions. Second operand has 20 states, 19 states have (on average 17.736842105263158) internal successors, (337), 20 states have internal predecessors, (337), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-10 19:35:29,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:29,784 INFO L93 Difference]: Finished difference Result 361 states and 395 transitions. [2024-11-10 19:35:29,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 19:35:29,785 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 17.736842105263158) internal successors, (337), 20 states have internal predecessors, (337), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 157 [2024-11-10 19:35:29,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:29,787 INFO L225 Difference]: With dead ends: 361 [2024-11-10 19:35:29,787 INFO L226 Difference]: Without dead ends: 360 [2024-11-10 19:35:29,788 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=248, Invalid=402, Unknown=0, NotChecked=0, Total=650 [2024-11-10 19:35:29,788 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 61 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:29,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 479 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:35:29,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-11-10 19:35:29,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 324. [2024-11-10 19:35:29,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 289 states have (on average 1.055363321799308) internal successors, (305), 295 states have internal predecessors, (305), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:35:29,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 351 transitions. [2024-11-10 19:35:29,807 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 351 transitions. Word has length 157 [2024-11-10 19:35:29,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:29,808 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 351 transitions. [2024-11-10 19:35:29,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 17.736842105263158) internal successors, (337), 20 states have internal predecessors, (337), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-10 19:35:29,808 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 351 transitions. [2024-11-10 19:35:29,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-10 19:35:29,810 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:29,810 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2024-11-10 19:35:29,830 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-10 19:35:30,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:30,015 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:30,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:30,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1536855441, now seen corresponding path program 2 times [2024-11-10 19:35:30,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:30,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105945549] [2024-11-10 19:35:30,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:30,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:30,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:35:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:30,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 19:35:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:30,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:35:30,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:30,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 19:35:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:30,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 19:35:30,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:30,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-10 19:35:30,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:30,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 19:35:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:30,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 19:35:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:30,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 19:35:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:30,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 19:35:30,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:30,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-10 19:35:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:30,286 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-10 19:35:30,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:30,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105945549] [2024-11-10 19:35:30,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105945549] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:35:30,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601239613] [2024-11-10 19:35:30,286 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:35:30,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:30,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:35:30,288 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:35:30,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-10 19:35:30,368 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:35:30,368 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:35:30,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:35:30,374 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:35:30,871 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-10 19:35:30,871 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:35:31,249 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-10 19:35:31,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [601239613] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:35:31,250 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:35:31,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-11-10 19:35:31,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024515849] [2024-11-10 19:35:31,250 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:35:31,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-10 19:35:31,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:31,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-10 19:35:31,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=297, Unknown=0, NotChecked=0, Total=462 [2024-11-10 19:35:31,254 INFO L87 Difference]: Start difference. First operand 324 states and 351 transitions. Second operand has 22 states, 21 states have (on average 18.0) internal successors, (378), 22 states have internal predecessors, (378), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) [2024-11-10 19:35:31,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:31,757 INFO L93 Difference]: Finished difference Result 404 states and 439 transitions. [2024-11-10 19:35:31,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 19:35:31,757 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 18.0) internal successors, (378), 22 states have internal predecessors, (378), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) Word has length 187 [2024-11-10 19:35:31,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:31,760 INFO L225 Difference]: With dead ends: 404 [2024-11-10 19:35:31,760 INFO L226 Difference]: Without dead ends: 396 [2024-11-10 19:35:31,761 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 382 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=319, Invalid=551, Unknown=0, NotChecked=0, Total=870 [2024-11-10 19:35:31,761 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 200 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:31,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 504 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:35:31,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-10 19:35:31,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 360. [2024-11-10 19:35:31,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 321 states have (on average 1.0529595015576323) internal successors, (338), 327 states have internal predecessors, (338), 27 states have call successors, (27), 5 states have call predecessors, (27), 5 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-10 19:35:31,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 392 transitions. [2024-11-10 19:35:31,782 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 392 transitions. Word has length 187 [2024-11-10 19:35:31,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:31,783 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 392 transitions. [2024-11-10 19:35:31,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 18.0) internal successors, (378), 22 states have internal predecessors, (378), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) [2024-11-10 19:35:31,783 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 392 transitions. [2024-11-10 19:35:31,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-11-10 19:35:31,786 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:31,786 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:35:31,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-10 19:35:31,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2024-11-10 19:35:31,990 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:31,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:31,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1734289513, now seen corresponding path program 2 times [2024-11-10 19:35:31,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:31,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972368467] [2024-11-10 19:35:31,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:31,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:32,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:32,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:35:32,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:32,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 19:35:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:32,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:35:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:32,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 19:35:32,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:32,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 19:35:32,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:32,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-10 19:35:32,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:32,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 19:35:32,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:32,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 19:35:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:32,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 19:35:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:32,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 19:35:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:32,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-10 19:35:32,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:32,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-10 19:35:32,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:32,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-10 19:35:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:32,332 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:35:32,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:32,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972368467] [2024-11-10 19:35:32,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972368467] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:35:32,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1646212341] [2024-11-10 19:35:32,333 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:35:32,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:32,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:35:32,335 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:35:32,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-10 19:35:32,425 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:35:32,425 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:35:32,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 19:35:32,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:35:32,692 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 48 proven. 476 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-10 19:35:32,692 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:35:33,033 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:35:33,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1646212341] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:35:33,034 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:35:33,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 12] total 25 [2024-11-10 19:35:33,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986424193] [2024-11-10 19:35:33,034 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:35:33,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-10 19:35:33,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:33,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-10 19:35:33,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=423, Unknown=0, NotChecked=0, Total=600 [2024-11-10 19:35:33,036 INFO L87 Difference]: Start difference. First operand 360 states and 392 transitions. Second operand has 25 states, 25 states have (on average 13.8) internal successors, (345), 25 states have internal predecessors, (345), 9 states have call successors, (38), 6 states have call predecessors, (38), 6 states have return successors, (38), 9 states have call predecessors, (38), 9 states have call successors, (38) [2024-11-10 19:35:33,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:33,456 INFO L93 Difference]: Finished difference Result 526 states and 556 transitions. [2024-11-10 19:35:33,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-10 19:35:33,456 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 13.8) internal successors, (345), 25 states have internal predecessors, (345), 9 states have call successors, (38), 6 states have call predecessors, (38), 6 states have return successors, (38), 9 states have call predecessors, (38), 9 states have call successors, (38) Word has length 230 [2024-11-10 19:35:33,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:33,459 INFO L225 Difference]: With dead ends: 526 [2024-11-10 19:35:33,459 INFO L226 Difference]: Without dead ends: 489 [2024-11-10 19:35:33,460 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 514 GetRequests, 473 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 429 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=576, Invalid=1230, Unknown=0, NotChecked=0, Total=1806 [2024-11-10 19:35:33,460 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 157 mSDsluCounter, 901 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 969 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:33,461 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 969 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:35:33,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2024-11-10 19:35:33,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 474. [2024-11-10 19:35:33,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 424 states have (on average 1.0518867924528301) internal successors, (446), 430 states have internal predecessors, (446), 32 states have call successors, (32), 11 states have call predecessors, (32), 11 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-10 19:35:33,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 510 transitions. [2024-11-10 19:35:33,483 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 510 transitions. Word has length 230 [2024-11-10 19:35:33,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:33,484 INFO L471 AbstractCegarLoop]: Abstraction has 474 states and 510 transitions. [2024-11-10 19:35:33,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 13.8) internal successors, (345), 25 states have internal predecessors, (345), 9 states have call successors, (38), 6 states have call predecessors, (38), 6 states have return successors, (38), 9 states have call predecessors, (38), 9 states have call successors, (38) [2024-11-10 19:35:33,484 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 510 transitions. [2024-11-10 19:35:33,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-11-10 19:35:33,486 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:33,486 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1] [2024-11-10 19:35:33,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-10 19:35:33,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:33,691 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:33,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:33,691 INFO L85 PathProgramCache]: Analyzing trace with hash 558256514, now seen corresponding path program 2 times [2024-11-10 19:35:33,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:33,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23806420] [2024-11-10 19:35:33,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:33,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:33,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:35:33,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1555742156] [2024-11-10 19:35:33,723 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:35:33,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:33,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:35:33,725 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:35:33,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-10 19:35:33,805 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:35:33,806 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:35:33,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 19:35:33,811 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:35:34,076 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 304 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:35:34,076 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:35:34,447 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 304 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:35:34,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:34,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23806420] [2024-11-10 19:35:34,448 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:35:34,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555742156] [2024-11-10 19:35:34,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1555742156] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:35:34,448 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:35:34,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-10 19:35:34,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205387812] [2024-11-10 19:35:34,449 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:35:34,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:35:34,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:34,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:35:34,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:35:34,451 INFO L87 Difference]: Start difference. First operand 474 states and 510 transitions. Second operand has 12 states, 11 states have (on average 30.181818181818183) internal successors, (332), 12 states have internal predecessors, (332), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2024-11-10 19:35:35,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:35,059 INFO L93 Difference]: Finished difference Result 496 states and 523 transitions. [2024-11-10 19:35:35,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:35:35,061 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 30.181818181818183) internal successors, (332), 12 states have internal predecessors, (332), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) Word has length 230 [2024-11-10 19:35:35,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:35,064 INFO L225 Difference]: With dead ends: 496 [2024-11-10 19:35:35,064 INFO L226 Difference]: Without dead ends: 495 [2024-11-10 19:35:35,065 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 462 GetRequests, 448 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:35:35,065 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 156 mSDsluCounter, 717 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 891 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:35,066 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 891 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:35:35,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2024-11-10 19:35:35,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 485. [2024-11-10 19:35:35,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 485 states, 434 states have (on average 1.0391705069124424) internal successors, (451), 440 states have internal predecessors, (451), 33 states have call successors, (33), 11 states have call predecessors, (33), 11 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-10 19:35:35,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 517 transitions. [2024-11-10 19:35:35,097 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 517 transitions. Word has length 230 [2024-11-10 19:35:35,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:35,097 INFO L471 AbstractCegarLoop]: Abstraction has 485 states and 517 transitions. [2024-11-10 19:35:35,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 30.181818181818183) internal successors, (332), 12 states have internal predecessors, (332), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2024-11-10 19:35:35,098 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 517 transitions. [2024-11-10 19:35:35,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2024-11-10 19:35:35,100 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:35,100 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1] [2024-11-10 19:35:35,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-10 19:35:35,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:35,305 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:35,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:35,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1857688787, now seen corresponding path program 2 times [2024-11-10 19:35:35,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:35,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228228720] [2024-11-10 19:35:35,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:35,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:35,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:35:35,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2007834691] [2024-11-10 19:35:35,334 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:35:35,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:35,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:35:35,336 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:35:35,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-10 19:35:35,504 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:35:35,504 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:35:35,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 19:35:35,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:35:35,748 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 0 proven. 316 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-10 19:35:35,749 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:35:36,129 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 0 proven. 316 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-10 19:35:36,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:36,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228228720] [2024-11-10 19:35:36,129 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:35:36,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007834691] [2024-11-10 19:35:36,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007834691] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:35:36,129 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:35:36,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-10 19:35:36,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991225963] [2024-11-10 19:35:36,130 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:35:36,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:35:36,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:36,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:35:36,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:35:36,132 INFO L87 Difference]: Start difference. First operand 485 states and 517 transitions. Second operand has 12 states, 11 states have (on average 30.545454545454547) internal successors, (336), 12 states have internal predecessors, (336), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2024-11-10 19:35:36,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:36,697 INFO L93 Difference]: Finished difference Result 491 states and 522 transitions. [2024-11-10 19:35:36,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:35:36,697 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 30.545454545454547) internal successors, (336), 12 states have internal predecessors, (336), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) Word has length 237 [2024-11-10 19:35:36,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:36,700 INFO L225 Difference]: With dead ends: 491 [2024-11-10 19:35:36,700 INFO L226 Difference]: Without dead ends: 490 [2024-11-10 19:35:36,701 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 476 GetRequests, 462 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:35:36,701 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 113 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:36,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 879 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:35:36,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2024-11-10 19:35:36,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 488. [2024-11-10 19:35:36,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 436 states have (on average 1.0275229357798166) internal successors, (448), 442 states have internal predecessors, (448), 34 states have call successors, (34), 11 states have call predecessors, (34), 11 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-10 19:35:36,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 516 transitions. [2024-11-10 19:35:36,730 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 516 transitions. Word has length 237 [2024-11-10 19:35:36,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:36,730 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 516 transitions. [2024-11-10 19:35:36,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 30.545454545454547) internal successors, (336), 12 states have internal predecessors, (336), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2024-11-10 19:35:36,731 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 516 transitions. [2024-11-10 19:35:36,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2024-11-10 19:35:36,736 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:36,737 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 1, 1, 1] [2024-11-10 19:35:36,746 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-10 19:35:36,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-10 19:35:36,938 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:36,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:36,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1685862835, now seen corresponding path program 2 times [2024-11-10 19:35:36,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:36,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72795956] [2024-11-10 19:35:36,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:36,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:37,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:35:37,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:37,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 19:35:37,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:37,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:35:37,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:37,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 19:35:37,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:37,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 19:35:37,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:37,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-10 19:35:37,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:37,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 19:35:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:37,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 19:35:37,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:37,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 19:35:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:37,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 19:35:37,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:37,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-10 19:35:37,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:37,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-10 19:35:37,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:37,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-10 19:35:37,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:37,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-10 19:35:37,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:37,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-10 19:35:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:37,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-10 19:35:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:37,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-10 19:35:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:37,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-11-10 19:35:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:37,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-10 19:35:37,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:37,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-11-10 19:35:37,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:37,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-11-10 19:35:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:37,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1674 backedges. 0 proven. 834 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-10 19:35:37,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:37,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72795956] [2024-11-10 19:35:37,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72795956] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:35:37,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [699700465] [2024-11-10 19:35:37,665 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:35:37,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:37,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:35:37,667 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:35:37,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-10 19:35:37,784 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:35:37,784 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:35:37,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:35:37,793 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:35:38,191 INFO L134 CoverageAnalysis]: Checked inductivity of 1674 backedges. 36 proven. 48 refuted. 0 times theorem prover too weak. 1590 trivial. 0 not checked. [2024-11-10 19:35:38,191 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:35:38,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1674 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 1590 trivial. 0 not checked. [2024-11-10 19:35:38,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [699700465] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:35:38,588 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:35:38,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5, 5] total 23 [2024-11-10 19:35:38,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314855909] [2024-11-10 19:35:38,588 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:35:38,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-10 19:35:38,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:38,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-10 19:35:38,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=478, Unknown=0, NotChecked=0, Total=552 [2024-11-10 19:35:38,590 INFO L87 Difference]: Start difference. First operand 488 states and 516 transitions. Second operand has 24 states, 23 states have (on average 15.956521739130435) internal successors, (367), 24 states have internal predecessors, (367), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) [2024-11-10 19:35:40,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:40,403 INFO L93 Difference]: Finished difference Result 488 states and 516 transitions. [2024-11-10 19:35:40,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-10 19:35:40,403 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 15.956521739130435) internal successors, (367), 24 states have internal predecessors, (367), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) Word has length 365 [2024-11-10 19:35:40,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:40,406 INFO L225 Difference]: With dead ends: 488 [2024-11-10 19:35:40,406 INFO L226 Difference]: Without dead ends: 487 [2024-11-10 19:35:40,407 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 819 GetRequests, 763 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 709 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=511, Invalid=2795, Unknown=0, NotChecked=0, Total=3306 [2024-11-10 19:35:40,409 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 502 mSDsluCounter, 1630 mSDsCounter, 0 mSdLazyCounter, 1755 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 502 SdHoareTripleChecker+Valid, 1822 SdHoareTripleChecker+Invalid, 1833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 1755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:40,410 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [502 Valid, 1822 Invalid, 1833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 1755 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-10 19:35:40,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2024-11-10 19:35:40,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 487. [2024-11-10 19:35:40,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 436 states have (on average 1.018348623853211) internal successors, (444), 441 states have internal predecessors, (444), 34 states have call successors, (34), 11 states have call predecessors, (34), 11 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-10 19:35:40,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 512 transitions. [2024-11-10 19:35:40,442 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 512 transitions. Word has length 365 [2024-11-10 19:35:40,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:40,443 INFO L471 AbstractCegarLoop]: Abstraction has 487 states and 512 transitions. [2024-11-10 19:35:40,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 15.956521739130435) internal successors, (367), 24 states have internal predecessors, (367), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) [2024-11-10 19:35:40,443 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 512 transitions. [2024-11-10 19:35:40,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2024-11-10 19:35:40,449 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:40,449 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1] [2024-11-10 19:35:40,469 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-10 19:35:40,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:40,650 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:40,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:40,650 INFO L85 PathProgramCache]: Analyzing trace with hash -263019631, now seen corresponding path program 3 times [2024-11-10 19:35:40,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:40,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027620001] [2024-11-10 19:35:40,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:40,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:40,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:41,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:35:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:41,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 19:35:41,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:41,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:35:41,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:41,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 19:35:41,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:41,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 19:35:41,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:41,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-10 19:35:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:41,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 19:35:41,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:41,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 19:35:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:41,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 19:35:41,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:41,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 19:35:41,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:41,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-10 19:35:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:41,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-10 19:35:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:41,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-10 19:35:41,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:41,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-10 19:35:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:41,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-10 19:35:41,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:41,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-10 19:35:41,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:41,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-10 19:35:41,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:41,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-11-10 19:35:41,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:41,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-10 19:35:41,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:41,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-11-10 19:35:41,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:41,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-11-10 19:35:41,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:41,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2024-11-10 19:35:41,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:41,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2024-11-10 19:35:41,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:41,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1999 backedges. 0 proven. 987 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 19:35:41,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:41,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027620001] [2024-11-10 19:35:41,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027620001] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:35:41,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1123984842] [2024-11-10 19:35:41,302 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 19:35:41,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:41,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:35:41,304 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:35:41,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-10 19:35:41,374 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-10 19:35:41,375 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:35:41,375 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-10 19:35:41,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:35:41,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1999 backedges. 126 proven. 201 refuted. 0 times theorem prover too weak. 1672 trivial. 0 not checked. [2024-11-10 19:35:41,958 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:35:42,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1123984842] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:35:42,804 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:35:42,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 8] total 23 [2024-11-10 19:35:42,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737460448] [2024-11-10 19:35:42,805 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:35:42,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-10 19:35:42,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:42,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-10 19:35:42,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=763, Unknown=0, NotChecked=0, Total=870 [2024-11-10 19:35:42,808 INFO L87 Difference]: Start difference. First operand 487 states and 512 transitions. Second operand has 24 states, 23 states have (on average 15.347826086956522) internal successors, (353), 24 states have internal predecessors, (353), 11 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) [2024-11-10 19:35:47,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:47,076 INFO L93 Difference]: Finished difference Result 489 states and 514 transitions. [2024-11-10 19:35:47,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-10 19:35:47,077 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 15.347826086956522) internal successors, (353), 24 states have internal predecessors, (353), 11 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) Word has length 395 [2024-11-10 19:35:47,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:47,083 INFO L225 Difference]: With dead ends: 489 [2024-11-10 19:35:47,084 INFO L226 Difference]: Without dead ends: 485 [2024-11-10 19:35:47,088 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 541 GetRequests, 468 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1242 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=964, Invalid=4586, Unknown=0, NotChecked=0, Total=5550 [2024-11-10 19:35:47,088 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 625 mSDsluCounter, 1142 mSDsCounter, 0 mSdLazyCounter, 3022 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 625 SdHoareTripleChecker+Valid, 1233 SdHoareTripleChecker+Invalid, 3116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 3022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:47,088 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [625 Valid, 1233 Invalid, 3116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 3022 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-10 19:35:47,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2024-11-10 19:35:47,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 483. [2024-11-10 19:35:47,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 434 states have (on average 1.0092165898617511) internal successors, (438), 437 states have internal predecessors, (438), 34 states have call successors, (34), 11 states have call predecessors, (34), 11 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-10 19:35:47,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 506 transitions. [2024-11-10 19:35:47,125 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 506 transitions. Word has length 395 [2024-11-10 19:35:47,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:47,126 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 506 transitions. [2024-11-10 19:35:47,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 15.347826086956522) internal successors, (353), 24 states have internal predecessors, (353), 11 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) [2024-11-10 19:35:47,126 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 506 transitions. [2024-11-10 19:35:47,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2024-11-10 19:35:47,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:47,134 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:35:47,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-10 19:35:47,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:47,335 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:47,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:47,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1341167255, now seen corresponding path program 3 times [2024-11-10 19:35:47,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:47,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124163444] [2024-11-10 19:35:47,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:47,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:48,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:35:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:48,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 19:35:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:48,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:35:48,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:48,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 19:35:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:48,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 19:35:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:48,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-10 19:35:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:48,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 19:35:48,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:48,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 19:35:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:48,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 19:35:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:48,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 19:35:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:48,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-10 19:35:48,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:48,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-10 19:35:48,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:48,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-10 19:35:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:48,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-10 19:35:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:48,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-10 19:35:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:48,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-10 19:35:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:48,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-10 19:35:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:48,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-11-10 19:35:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:48,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-10 19:35:48,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:48,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-11-10 19:35:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:48,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-11-10 19:35:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:48,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2024-11-10 19:35:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:48,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2024-11-10 19:35:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:48,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2024-11-10 19:35:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:48,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2024-11-10 19:35:48,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:48,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2024-11-10 19:35:48,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:48,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2024-11-10 19:35:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:48,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2024-11-10 19:35:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:48,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2024-11-10 19:35:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:48,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2024-11-10 19:35:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:48,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2024-11-10 19:35:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:48,281 INFO L134 CoverageAnalysis]: Checked inductivity of 3710 backedges. 0 proven. 1850 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-10 19:35:48,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:48,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124163444] [2024-11-10 19:35:48,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124163444] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:35:48,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566622143] [2024-11-10 19:35:48,282 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 19:35:48,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:48,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:35:48,285 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:35:48,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-10 19:35:48,362 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-10 19:35:48,362 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:35:48,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-10 19:35:48,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:35:49,222 INFO L134 CoverageAnalysis]: Checked inductivity of 3710 backedges. 228 proven. 131 refuted. 0 times theorem prover too weak. 3351 trivial. 0 not checked. [2024-11-10 19:35:49,223 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:36:11,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1566622143] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:36:11,155 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:36:11,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 9] total 33 [2024-11-10 19:36:11,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224623948] [2024-11-10 19:36:11,156 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:36:11,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-10 19:36:11,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:36:11,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-10 19:36:11,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=240, Invalid=1398, Unknown=2, NotChecked=0, Total=1640 [2024-11-10 19:36:11,162 INFO L87 Difference]: Start difference. First operand 483 states and 506 transitions. Second operand has 33 states, 33 states have (on average 14.0) internal successors, (462), 32 states have internal predecessors, (462), 14 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (36), 14 states have call predecessors, (36), 14 states have call successors, (36) [2024-11-10 19:36:19,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:36:19,590 INFO L93 Difference]: Finished difference Result 533 states and 559 transitions. [2024-11-10 19:36:19,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-11-10 19:36:19,590 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 14.0) internal successors, (462), 32 states have internal predecessors, (462), 14 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (36), 14 states have call predecessors, (36), 14 states have call successors, (36) Word has length 542 [2024-11-10 19:36:19,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:36:19,591 INFO L225 Difference]: With dead ends: 533 [2024-11-10 19:36:19,591 INFO L226 Difference]: Without dead ends: 0 [2024-11-10 19:36:19,597 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 772 GetRequests, 636 SyntacticMatches, 0 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5690 ImplicationChecksByTransitivity, 17.9s TimeCoverageRelationStatistics Valid=3299, Invalid=15605, Unknown=2, NotChecked=0, Total=18906 [2024-11-10 19:36:19,597 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 1192 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 824 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1192 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:36:19,598 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1192 Valid, 217 Invalid, 997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 824 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-10 19:36:19,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-10 19:36:19,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-10 19:36:19,598 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) [2024-11-10 19:36:19,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-10 19:36:19,598 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 542 [2024-11-10 19:36:19,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:36:19,599 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 19:36:19,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 14.0) internal successors, (462), 32 states have internal predecessors, (462), 14 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (36), 14 states have call predecessors, (36), 14 states have call successors, (36) [2024-11-10 19:36:19,599 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-10 19:36:19,608 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-10 19:36:19,612 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 52 remaining) [2024-11-10 19:36:19,613 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 52 remaining) [2024-11-10 19:36:19,613 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 52 remaining) [2024-11-10 19:36:19,613 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 52 remaining) [2024-11-10 19:36:19,613 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 52 remaining) [2024-11-10 19:36:19,613 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 52 remaining) [2024-11-10 19:36:19,613 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 52 remaining) [2024-11-10 19:36:19,613 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 52 remaining) [2024-11-10 19:36:19,613 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 52 remaining) [2024-11-10 19:36:19,613 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 52 remaining) [2024-11-10 19:36:19,614 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 52 remaining) [2024-11-10 19:36:19,614 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 52 remaining) [2024-11-10 19:36:19,614 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 52 remaining) [2024-11-10 19:36:19,614 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 52 remaining) [2024-11-10 19:36:19,615 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 52 remaining) [2024-11-10 19:36:19,615 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 52 remaining) [2024-11-10 19:36:19,615 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 52 remaining) [2024-11-10 19:36:19,615 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 52 remaining) [2024-11-10 19:36:19,616 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 52 remaining) [2024-11-10 19:36:19,616 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 52 remaining) [2024-11-10 19:36:19,616 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 52 remaining) [2024-11-10 19:36:19,617 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 52 remaining) [2024-11-10 19:36:19,617 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 52 remaining) [2024-11-10 19:36:19,617 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 52 remaining) [2024-11-10 19:36:19,617 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 52 remaining) [2024-11-10 19:36:19,617 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 52 remaining) [2024-11-10 19:36:19,618 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 52 remaining) [2024-11-10 19:36:19,618 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 52 remaining) [2024-11-10 19:36:19,618 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 52 remaining) [2024-11-10 19:36:19,618 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 52 remaining) [2024-11-10 19:36:19,618 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 52 remaining) [2024-11-10 19:36:19,618 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 52 remaining) [2024-11-10 19:36:19,619 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 52 remaining) [2024-11-10 19:36:19,619 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 52 remaining) [2024-11-10 19:36:19,619 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 52 remaining) [2024-11-10 19:36:19,619 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 52 remaining) [2024-11-10 19:36:19,619 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 52 remaining) [2024-11-10 19:36:19,619 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 52 remaining) [2024-11-10 19:36:19,620 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 52 remaining) [2024-11-10 19:36:19,620 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 52 remaining) [2024-11-10 19:36:19,620 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 52 remaining) [2024-11-10 19:36:19,620 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 52 remaining) [2024-11-10 19:36:19,621 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 52 remaining) [2024-11-10 19:36:19,621 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 52 remaining) [2024-11-10 19:36:19,621 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 52 remaining) [2024-11-10 19:36:19,621 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 52 remaining) [2024-11-10 19:36:19,621 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 52 remaining) [2024-11-10 19:36:19,622 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 52 remaining) [2024-11-10 19:36:19,622 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 52 remaining) [2024-11-10 19:36:19,622 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 52 remaining) [2024-11-10 19:36:19,622 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 52 remaining) [2024-11-10 19:36:19,622 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 52 remaining) [2024-11-10 19:36:19,642 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-10 19:36:19,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:36:19,830 INFO L407 BasicCegarLoop]: Path program histogram: [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:36:19,833 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-10 19:36:21,284 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 19:36:21,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 07:36:21 BoogieIcfgContainer [2024-11-10 19:36:21,321 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 19:36:21,321 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 19:36:21,321 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 19:36:21,322 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 19:36:21,322 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:35:17" (3/4) ... [2024-11-10 19:36:21,324 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 19:36:21,336 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-10 19:36:21,347 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-10 19:36:21,350 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-10 19:36:21,351 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 19:36:21,351 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 19:36:21,476 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 19:36:21,476 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 19:36:21,477 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 19:36:21,477 INFO L158 Benchmark]: Toolchain (without parser) took 65082.90ms. Allocated memory was 142.6MB in the beginning and 375.4MB in the end (delta: 232.8MB). Free memory was 71.2MB in the beginning and 216.4MB in the end (delta: -145.3MB). Peak memory consumption was 88.6MB. Max. memory is 16.1GB. [2024-11-10 19:36:21,477 INFO L158 Benchmark]: CDTParser took 0.92ms. Allocated memory is still 142.6MB. Free memory is still 92.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 19:36:21,478 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.85ms. Allocated memory was 142.6MB in the beginning and 216.0MB in the end (delta: 73.4MB). Free memory was 71.0MB in the beginning and 183.5MB in the end (delta: -112.5MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2024-11-10 19:36:21,478 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.66ms. Allocated memory is still 216.0MB. Free memory was 183.5MB in the beginning and 182.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 19:36:21,478 INFO L158 Benchmark]: Boogie Preprocessor took 55.51ms. Allocated memory is still 216.0MB. Free memory was 182.4MB in the beginning and 180.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 19:36:21,478 INFO L158 Benchmark]: IcfgBuilder took 605.66ms. Allocated memory is still 216.0MB. Free memory was 180.3MB in the beginning and 159.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-10 19:36:21,479 INFO L158 Benchmark]: TraceAbstraction took 63867.09ms. Allocated memory was 216.0MB in the beginning and 375.4MB in the end (delta: 159.4MB). Free memory was 159.4MB in the beginning and 221.7MB in the end (delta: -62.3MB). Peak memory consumption was 197.8MB. Max. memory is 16.1GB. [2024-11-10 19:36:21,479 INFO L158 Benchmark]: Witness Printer took 155.24ms. Allocated memory is still 375.4MB. Free memory was 221.7MB in the beginning and 216.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 19:36:21,480 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.92ms. Allocated memory is still 142.6MB. Free memory is still 92.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.85ms. Allocated memory was 142.6MB in the beginning and 216.0MB in the end (delta: 73.4MB). Free memory was 71.0MB in the beginning and 183.5MB in the end (delta: -112.5MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.66ms. Allocated memory is still 216.0MB. Free memory was 183.5MB in the beginning and 182.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.51ms. Allocated memory is still 216.0MB. Free memory was 182.4MB in the beginning and 180.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 605.66ms. Allocated memory is still 216.0MB. Free memory was 180.3MB in the beginning and 159.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 63867.09ms. Allocated memory was 216.0MB in the beginning and 375.4MB in the end (delta: 159.4MB). Free memory was 159.4MB in the beginning and 221.7MB in the end (delta: -62.3MB). Peak memory consumption was 197.8MB. Max. memory is 16.1GB. * Witness Printer took 155.24ms. Allocated memory is still 375.4MB. Free memory was 221.7MB in the beginning and 216.4MB 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: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: 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, 129 locations, 52 error locations. Started 1 CEGAR loops. OverallTime: 62.3s, OverallIterations: 26, TraceHistogramMax: 31, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 20.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4862 SdHoareTripleChecker+Valid, 8.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4795 mSDsluCounter, 11797 SdHoareTripleChecker+Invalid, 7.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9254 mSDsCounter, 597 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9555 IncrementalHoareTripleChecker+Invalid, 10152 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 597 mSolverCounterUnsat, 2543 mSDtfsCounter, 9555 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5672 GetRequests, 5192 SyntacticMatches, 0 SemanticMatches, 480 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8633 ImplicationChecksByTransitivity, 23.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=488occurred in iteration=23, InterpolantAutomatonStates: 378, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 26 MinimizatonAttempts, 522 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 35.6s InterpolantComputationTime, 6387 NumberOfCodeBlocks, 5592 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 7545 ConstructedInterpolants, 4 QuantifiedInterpolants, 30715 SizeOfPredicates, 27 NumberOfNonLiveVariables, 3581 ConjunctsInSsa, 135 ConjunctsInUnsatCore, 52 InterpolantComputations, 12 PerfectInterpolantSequences, 16170/23700 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 52 specifications checked. All of them hold - InvariantResult [Line: 30]: Location Invariant Derived location invariant: null - ProcedureContractResult [Line: 11]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (((cond != 0) || ((counter + 2147483648) < 0)) && (counter == \old(counter))) RESULT: Ultimate proved your program to be correct! [2024-11-10 19:36:21,647 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