./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm1_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/lcm1_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 a32548a2dc110e6882a396485f8651f4c4262f9c106b055559dda4621561bdb6 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 19:23:12,576 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 19:23:12,636 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 19:23:12,640 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 19:23:12,641 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 19:23:12,670 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 19:23:12,672 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 19:23:12,673 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 19:23:12,673 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 19:23:12,674 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 19:23:12,675 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 19:23:12,675 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 19:23:12,676 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 19:23:12,677 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 19:23:12,678 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 19:23:12,678 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 19:23:12,678 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 19:23:12,679 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 19:23:12,679 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 19:23:12,679 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 19:23:12,680 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 19:23:12,683 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 19:23:12,684 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 19:23:12,684 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 19:23:12,684 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 19:23:12,684 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 19:23:12,685 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 19:23:12,685 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 19:23:12,685 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 19:23:12,686 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 19:23:12,686 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 19:23:12,687 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 19:23:12,687 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 19:23:12,687 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 19:23:12,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:23:12,688 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 19:23:12,688 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 19:23:12,689 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 19:23:12,689 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 19:23:12,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 19:23:12,689 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 19:23:12,690 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 19:23:12,690 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 19:23:12,690 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 19:23:12,690 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a32548a2dc110e6882a396485f8651f4c4262f9c106b055559dda4621561bdb6 [2024-11-10 19:23:12,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 19:23:12,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 19:23:12,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 19:23:12,954 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 19:23:12,955 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 19:23:12,956 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound20.c [2024-11-10 19:23:14,334 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 19:23:14,550 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 19:23:14,552 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound20.c [2024-11-10 19:23:14,566 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/437043f14/e873c70fafd64605be0908beed33e19b/FLAG401c29615 [2024-11-10 19:23:14,582 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/437043f14/e873c70fafd64605be0908beed33e19b [2024-11-10 19:23:14,585 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 19:23:14,587 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 19:23:14,590 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 19:23:14,591 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 19:23:14,596 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 19:23:14,597 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:23:14" (1/1) ... [2024-11-10 19:23:14,597 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60df33ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:14, skipping insertion in model container [2024-11-10 19:23:14,598 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:23:14" (1/1) ... [2024-11-10 19:23:14,620 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 19:23:14,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:23:14,830 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 19:23:14,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:23:14,867 INFO L204 MainTranslator]: Completed translation [2024-11-10 19:23:14,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:14 WrapperNode [2024-11-10 19:23:14,868 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 19:23:14,869 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 19:23:14,869 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 19:23:14,869 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 19:23:14,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:14" (1/1) ... [2024-11-10 19:23:14,883 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:14" (1/1) ... [2024-11-10 19:23:14,901 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 87 [2024-11-10 19:23:14,902 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 19:23:14,903 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 19:23:14,903 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 19:23:14,903 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 19:23:14,913 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:14" (1/1) ... [2024-11-10 19:23:14,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:14" (1/1) ... [2024-11-10 19:23:14,915 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:14" (1/1) ... [2024-11-10 19:23:14,927 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2024-11-10 19:23:14,927 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:14" (1/1) ... [2024-11-10 19:23:14,928 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:14" (1/1) ... [2024-11-10 19:23:14,931 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:14" (1/1) ... [2024-11-10 19:23:14,931 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:14" (1/1) ... [2024-11-10 19:23:14,934 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:14" (1/1) ... [2024-11-10 19:23:14,935 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:14" (1/1) ... [2024-11-10 19:23:14,937 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 19:23:14,938 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 19:23:14,938 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 19:23:14,938 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 19:23:14,940 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:14" (1/1) ... [2024-11-10 19:23:14,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:23:14,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:23:14,976 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 19:23:14,982 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 19:23:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 19:23:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 19:23:15,031 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 19:23:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 19:23:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 19:23:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 19:23:15,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 19:23:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 19:23:15,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 19:23:15,104 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 19:23:15,106 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 19:23:15,303 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-10 19:23:15,303 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 19:23:15,320 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 19:23:15,321 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 19:23:15,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:23:15 BoogieIcfgContainer [2024-11-10 19:23:15,321 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 19:23:15,325 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 19:23:15,327 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 19:23:15,332 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 19:23:15,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:23:14" (1/3) ... [2024-11-10 19:23:15,333 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bf99ed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:23:15, skipping insertion in model container [2024-11-10 19:23:15,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:14" (2/3) ... [2024-11-10 19:23:15,334 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bf99ed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:23:15, skipping insertion in model container [2024-11-10 19:23:15,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:23:15" (3/3) ... [2024-11-10 19:23:15,336 INFO L112 eAbstractionObserver]: Analyzing ICFG lcm1_unwindbound20.c [2024-11-10 19:23:15,351 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 19:23:15,351 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-10 19:23:15,406 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 19:23:15,412 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;@ee077f0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 19:23:15,413 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-10 19:23:15,416 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 32 states have (on average 1.53125) internal successors, (49), 38 states have internal predecessors, (49), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 19:23:15,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-10 19:23:15,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:15,425 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:15,425 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 19:23:15,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:15,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1293777676, now seen corresponding path program 1 times [2024-11-10 19:23:15,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:15,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929115267] [2024-11-10 19:23:15,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:15,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:15,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:15,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:15,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:15,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:15,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 19:23:15,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:15,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 19:23:15,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:15,688 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:23:15,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:15,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929115267] [2024-11-10 19:23:15,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929115267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:23:15,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:23:15,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:23:15,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998508040] [2024-11-10 19:23:15,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:23:15,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 19:23:15,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:15,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 19:23:15,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:23:15,721 INFO L87 Difference]: Start difference. First operand has 50 states, 32 states have (on average 1.53125) internal successors, (49), 38 states have internal predecessors, (49), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:23:15,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:15,741 INFO L93 Difference]: Finished difference Result 96 states and 138 transitions. [2024-11-10 19:23:15,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 19:23:15,743 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 25 [2024-11-10 19:23:15,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:15,748 INFO L225 Difference]: With dead ends: 96 [2024-11-10 19:23:15,748 INFO L226 Difference]: Without dead ends: 42 [2024-11-10 19:23:15,751 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:23:15,754 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:15,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:23:15,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-10 19:23:15,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-11-10 19:23:15,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 32 states have internal predecessors, (37), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-10 19:23:15,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 51 transitions. [2024-11-10 19:23:15,792 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 51 transitions. Word has length 25 [2024-11-10 19:23:15,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:15,794 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 51 transitions. [2024-11-10 19:23:15,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:23:15,795 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2024-11-10 19:23:15,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-10 19:23:15,796 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:15,796 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:15,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 19:23:15,796 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 19:23:15,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:15,797 INFO L85 PathProgramCache]: Analyzing trace with hash 933684148, now seen corresponding path program 1 times [2024-11-10 19:23:15,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:15,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514248633] [2024-11-10 19:23:15,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:15,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:15,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:15,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:15,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:15,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 19:23:15,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:15,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 19:23:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:16,010 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:23:16,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:16,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514248633] [2024-11-10 19:23:16,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514248633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:23:16,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:23:16,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:23:16,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472938663] [2024-11-10 19:23:16,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:23:16,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:23:16,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:16,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:23:16,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:23:16,017 INFO L87 Difference]: Start difference. First operand 42 states and 51 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:23:16,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:16,092 INFO L93 Difference]: Finished difference Result 49 states and 58 transitions. [2024-11-10 19:23:16,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:23:16,093 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 25 [2024-11-10 19:23:16,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:16,095 INFO L225 Difference]: With dead ends: 49 [2024-11-10 19:23:16,096 INFO L226 Difference]: Without dead ends: 47 [2024-11-10 19:23:16,096 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 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 19:23:16,098 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 13 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:16,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 119 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:23:16,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-10 19:23:16,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2024-11-10 19:23:16,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 35 states have internal predecessors, (40), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-10 19:23:16,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 54 transitions. [2024-11-10 19:23:16,107 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 54 transitions. Word has length 25 [2024-11-10 19:23:16,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:16,108 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 54 transitions. [2024-11-10 19:23:16,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 19:23:16,108 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2024-11-10 19:23:16,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-10 19:23:16,109 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:16,110 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:16,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 19:23:16,110 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 19:23:16,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:16,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1085066076, now seen corresponding path program 1 times [2024-11-10 19:23:16,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:16,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861517810] [2024-11-10 19:23:16,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:16,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:16,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:16,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:16,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:16,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:16,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:16,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 19:23:16,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:16,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 19:23:16,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:16,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 19:23:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:16,359 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:23:16,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:16,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861517810] [2024-11-10 19:23:16,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861517810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:23:16,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:23:16,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 19:23:16,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744873171] [2024-11-10 19:23:16,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:23:16,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:23:16,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:16,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:23:16,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:23:16,363 INFO L87 Difference]: Start difference. First operand 45 states and 54 transitions. Second operand has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:23:16,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:16,533 INFO L93 Difference]: Finished difference Result 68 states and 80 transitions. [2024-11-10 19:23:16,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:23:16,536 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 36 [2024-11-10 19:23:16,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:16,538 INFO L225 Difference]: With dead ends: 68 [2024-11-10 19:23:16,538 INFO L226 Difference]: Without dead ends: 67 [2024-11-10 19:23:16,538 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:23:16,539 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 32 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:16,540 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 164 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:23:16,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-10 19:23:16,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 60. [2024-11-10 19:23:16,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 47 states have internal predecessors, (55), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 19:23:16,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 73 transitions. [2024-11-10 19:23:16,550 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 73 transitions. Word has length 36 [2024-11-10 19:23:16,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:16,550 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 73 transitions. [2024-11-10 19:23:16,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:23:16,551 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 73 transitions. [2024-11-10 19:23:16,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-10 19:23:16,552 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:16,552 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:16,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 19:23:16,552 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 19:23:16,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:16,553 INFO L85 PathProgramCache]: Analyzing trace with hash 722690009, now seen corresponding path program 1 times [2024-11-10 19:23:16,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:16,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583622306] [2024-11-10 19:23:16,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:16,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:16,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:16,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:16,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:16,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:16,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:16,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 19:23:16,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:16,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 19:23:16,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:16,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 19:23:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:16,731 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:23:16,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:16,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583622306] [2024-11-10 19:23:16,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583622306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:23:16,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:23:16,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 19:23:16,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327125635] [2024-11-10 19:23:16,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:23:16,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:23:16,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:16,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:23:16,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:23:16,735 INFO L87 Difference]: Start difference. First operand 60 states and 73 transitions. Second operand has 7 states, 6 states have (on average 3.0) internal successors, (18), 7 states have internal predecessors, (18), 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 19:23:16,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:16,823 INFO L93 Difference]: Finished difference Result 100 states and 120 transitions. [2024-11-10 19:23:16,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:23:16,826 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.0) internal successors, (18), 7 states have internal predecessors, (18), 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 37 [2024-11-10 19:23:16,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:16,829 INFO L225 Difference]: With dead ends: 100 [2024-11-10 19:23:16,829 INFO L226 Difference]: Without dead ends: 69 [2024-11-10 19:23:16,829 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:23:16,830 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 27 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:16,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 150 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:23:16,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-10 19:23:16,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-11-10 19:23:16,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 50 states have (on average 1.26) internal successors, (63), 55 states have internal predecessors, (63), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 19:23:16,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 81 transitions. [2024-11-10 19:23:16,842 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 81 transitions. Word has length 37 [2024-11-10 19:23:16,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:16,843 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 81 transitions. [2024-11-10 19:23:16,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.0) internal successors, (18), 7 states have internal predecessors, (18), 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 19:23:16,843 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 81 transitions. [2024-11-10 19:23:16,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-10 19:23:16,846 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:16,846 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:16,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 19:23:16,846 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 19:23:16,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:16,847 INFO L85 PathProgramCache]: Analyzing trace with hash 2101187166, now seen corresponding path program 1 times [2024-11-10 19:23:16,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:16,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279551044] [2024-11-10 19:23:16,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:16,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:16,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:17,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:17,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:17,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:17,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:17,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 19:23:17,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:17,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 19:23:17,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:17,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 19:23:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:17,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:23:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:17,062 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-10 19:23:17,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:17,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279551044] [2024-11-10 19:23:17,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279551044] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:23:17,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:23:17,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 19:23:17,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965182216] [2024-11-10 19:23:17,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:23:17,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:23:17,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:17,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:23:17,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:23:17,068 INFO L87 Difference]: Start difference. First operand 69 states and 81 transitions. Second operand has 9 states, 8 states have (on average 2.875) internal successors, (23), 9 states have internal predecessors, (23), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:23:17,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:17,298 INFO L93 Difference]: Finished difference Result 89 states and 102 transitions. [2024-11-10 19:23:17,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:23:17,298 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.875) internal successors, (23), 9 states have internal predecessors, (23), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 47 [2024-11-10 19:23:17,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:17,299 INFO L225 Difference]: With dead ends: 89 [2024-11-10 19:23:17,299 INFO L226 Difference]: Without dead ends: 88 [2024-11-10 19:23:17,300 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:23:17,301 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 62 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:17,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 214 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:23:17,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-10 19:23:17,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 80. [2024-11-10 19:23:17,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 59 states have (on average 1.271186440677966) internal successors, (75), 64 states have internal predecessors, (75), 10 states have call successors, (10), 5 states have call predecessors, (10), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 19:23:17,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 95 transitions. [2024-11-10 19:23:17,311 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 95 transitions. Word has length 47 [2024-11-10 19:23:17,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:17,311 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 95 transitions. [2024-11-10 19:23:17,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.875) internal successors, (23), 9 states have internal predecessors, (23), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:23:17,312 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 95 transitions. [2024-11-10 19:23:17,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-10 19:23:17,313 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:17,313 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:17,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 19:23:17,313 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 19:23:17,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:17,314 INFO L85 PathProgramCache]: Analyzing trace with hash 712292689, now seen corresponding path program 1 times [2024-11-10 19:23:17,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:17,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256791480] [2024-11-10 19:23:17,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:17,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:17,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:17,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:17,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:17,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:17,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 19:23:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:17,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 19:23:17,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:17,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 19:23:17,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:17,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:23:17,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:17,484 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-10 19:23:17,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:17,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256791480] [2024-11-10 19:23:17,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256791480] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:23:17,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:23:17,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 19:23:17,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340074626] [2024-11-10 19:23:17,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:23:17,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:23:17,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:17,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:23:17,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:23:17,486 INFO L87 Difference]: Start difference. First operand 80 states and 95 transitions. Second operand has 9 states, 8 states have (on average 3.0) internal successors, (24), 9 states have internal predecessors, (24), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:23:17,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:17,610 INFO L93 Difference]: Finished difference Result 127 states and 151 transitions. [2024-11-10 19:23:17,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 19:23:17,611 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.0) internal successors, (24), 9 states have internal predecessors, (24), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 48 [2024-11-10 19:23:17,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:17,612 INFO L225 Difference]: With dead ends: 127 [2024-11-10 19:23:17,614 INFO L226 Difference]: Without dead ends: 96 [2024-11-10 19:23:17,615 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:23:17,616 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 40 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:17,616 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 192 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:23:17,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-10 19:23:17,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 91. [2024-11-10 19:23:17,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 68 states have (on average 1.25) internal successors, (85), 73 states have internal predecessors, (85), 11 states have call successors, (11), 6 states have call predecessors, (11), 6 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-10 19:23:17,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 107 transitions. [2024-11-10 19:23:17,633 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 107 transitions. Word has length 48 [2024-11-10 19:23:17,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:17,633 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 107 transitions. [2024-11-10 19:23:17,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.0) internal successors, (24), 9 states have internal predecessors, (24), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:23:17,634 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 107 transitions. [2024-11-10 19:23:17,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-10 19:23:17,637 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:17,637 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:17,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 19:23:17,637 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 19:23:17,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:17,638 INFO L85 PathProgramCache]: Analyzing trace with hash 712366173, now seen corresponding path program 1 times [2024-11-10 19:23:17,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:17,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664005769] [2024-11-10 19:23:17,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:17,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:17,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:17,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:17,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:17,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:17,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:17,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 19:23:17,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:17,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 19:23:17,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:17,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 19:23:17,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:17,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:23:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:17,842 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-10 19:23:17,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:17,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664005769] [2024-11-10 19:23:17,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664005769] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:23:17,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1428031645] [2024-11-10 19:23:17,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:17,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:17,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:23:17,848 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 19:23:17,849 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 19:23:17,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:17,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:23:17,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:23:18,054 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:23:18,054 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:23:18,180 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-10 19:23:18,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1428031645] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:23:18,181 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:23:18,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 18 [2024-11-10 19:23:18,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272601992] [2024-11-10 19:23:18,181 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:23:18,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-10 19:23:18,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:18,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-10 19:23:18,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2024-11-10 19:23:18,183 INFO L87 Difference]: Start difference. First operand 91 states and 107 transitions. Second operand has 19 states, 18 states have (on average 3.3333333333333335) internal successors, (60), 19 states have internal predecessors, (60), 8 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-10 19:23:18,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:18,531 INFO L93 Difference]: Finished difference Result 261 states and 311 transitions. [2024-11-10 19:23:18,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-10 19:23:18,532 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.3333333333333335) internal successors, (60), 19 states have internal predecessors, (60), 8 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) Word has length 48 [2024-11-10 19:23:18,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:18,534 INFO L225 Difference]: With dead ends: 261 [2024-11-10 19:23:18,534 INFO L226 Difference]: Without dead ends: 219 [2024-11-10 19:23:18,536 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=263, Invalid=667, Unknown=0, NotChecked=0, Total=930 [2024-11-10 19:23:18,537 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 174 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:18,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 293 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:23:18,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-10 19:23:18,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 178. [2024-11-10 19:23:18,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 140 states have (on average 1.2428571428571429) internal successors, (174), 145 states have internal predecessors, (174), 18 states have call successors, (18), 14 states have call predecessors, (18), 14 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-10 19:23:18,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 210 transitions. [2024-11-10 19:23:18,564 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 210 transitions. Word has length 48 [2024-11-10 19:23:18,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:18,565 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 210 transitions. [2024-11-10 19:23:18,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.3333333333333335) internal successors, (60), 19 states have internal predecessors, (60), 8 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-10 19:23:18,565 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 210 transitions. [2024-11-10 19:23:18,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-10 19:23:18,566 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:18,566 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:18,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-10 19:23:18,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:18,771 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 19:23:18,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:18,771 INFO L85 PathProgramCache]: Analyzing trace with hash 2100412492, now seen corresponding path program 1 times [2024-11-10 19:23:18,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:18,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307123002] [2024-11-10 19:23:18,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:18,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:18,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:18,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:18,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:18,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:18,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 19:23:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:18,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 19:23:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:18,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 19:23:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:18,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:23:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:18,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:23:18,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:18,872 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-10 19:23:18,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:18,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307123002] [2024-11-10 19:23:18,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307123002] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:23:18,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:23:18,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:23:18,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082760418] [2024-11-10 19:23:18,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:23:18,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:23:18,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:18,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:23:18,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:23:18,876 INFO L87 Difference]: Start difference. First operand 178 states and 210 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-10 19:23:18,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:18,917 INFO L93 Difference]: Finished difference Result 296 states and 355 transitions. [2024-11-10 19:23:18,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:23:18,917 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 58 [2024-11-10 19:23:18,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:18,920 INFO L225 Difference]: With dead ends: 296 [2024-11-10 19:23:18,921 INFO L226 Difference]: Without dead ends: 225 [2024-11-10 19:23:18,922 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 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 19:23:18,923 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 36 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:18,924 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 186 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:23:18,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-10 19:23:18,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 201. [2024-11-10 19:23:18,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 159 states have (on average 1.2578616352201257) internal successors, (200), 164 states have internal predecessors, (200), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-10 19:23:18,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 244 transitions. [2024-11-10 19:23:18,956 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 244 transitions. Word has length 58 [2024-11-10 19:23:18,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:18,957 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 244 transitions. [2024-11-10 19:23:18,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-10 19:23:18,957 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 244 transitions. [2024-11-10 19:23:18,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-10 19:23:18,958 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:18,958 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:18,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 19:23:18,958 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 19:23:18,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:18,959 INFO L85 PathProgramCache]: Analyzing trace with hash 688311585, now seen corresponding path program 1 times [2024-11-10 19:23:18,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:18,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300591545] [2024-11-10 19:23:18,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:18,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:18,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:19,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:19,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:19,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:19,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:19,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 19:23:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:19,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 19:23:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:19,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 19:23:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:19,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:23:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:19,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:23:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:19,166 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-10 19:23:19,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:19,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300591545] [2024-11-10 19:23:19,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300591545] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:23:19,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671536402] [2024-11-10 19:23:19,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:19,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:19,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:23:19,169 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 19:23:19,171 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 19:23:19,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:19,228 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 19:23:19,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:23:19,373 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:23:19,373 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:23:19,543 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-10 19:23:19,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1671536402] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:23:19,544 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:23:19,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 24 [2024-11-10 19:23:19,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719040187] [2024-11-10 19:23:19,544 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:23:19,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-10 19:23:19,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:19,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-10 19:23:19,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=469, Unknown=0, NotChecked=0, Total=600 [2024-11-10 19:23:19,547 INFO L87 Difference]: Start difference. First operand 201 states and 244 transitions. Second operand has 25 states, 24 states have (on average 3.375) internal successors, (81), 25 states have internal predecessors, (81), 11 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 11 states have call predecessors, (17), 11 states have call successors, (17) [2024-11-10 19:23:20,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:20,279 INFO L93 Difference]: Finished difference Result 422 states and 516 transitions. [2024-11-10 19:23:20,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-10 19:23:20,280 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.375) internal successors, (81), 25 states have internal predecessors, (81), 11 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 11 states have call predecessors, (17), 11 states have call successors, (17) Word has length 59 [2024-11-10 19:23:20,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:20,282 INFO L225 Difference]: With dead ends: 422 [2024-11-10 19:23:20,285 INFO L226 Difference]: Without dead ends: 330 [2024-11-10 19:23:20,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 469 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=507, Invalid=1943, Unknown=0, NotChecked=0, Total=2450 [2024-11-10 19:23:20,287 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 233 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:20,287 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 273 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:23:20,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-11-10 19:23:20,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 288. [2024-11-10 19:23:20,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 231 states have (on average 1.2467532467532467) internal successors, (288), 236 states have internal predecessors, (288), 29 states have call successors, (29), 22 states have call predecessors, (29), 22 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-10 19:23:20,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 346 transitions. [2024-11-10 19:23:20,316 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 346 transitions. Word has length 59 [2024-11-10 19:23:20,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:20,317 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 346 transitions. [2024-11-10 19:23:20,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.375) internal successors, (81), 25 states have internal predecessors, (81), 11 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 11 states have call predecessors, (17), 11 states have call successors, (17) [2024-11-10 19:23:20,318 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 346 transitions. [2024-11-10 19:23:20,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-10 19:23:20,322 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:20,322 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 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 19:23:20,339 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 19:23:20,523 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 19:23:20,523 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 19:23:20,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:20,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1015930967, now seen corresponding path program 1 times [2024-11-10 19:23:20,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:20,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340236595] [2024-11-10 19:23:20,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:20,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:20,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:20,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:20,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:20,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 19:23:20,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:20,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 19:23:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:20,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 19:23:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:20,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:23:20,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:20,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:23:20,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:20,698 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-10 19:23:20,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:20,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340236595] [2024-11-10 19:23:20,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340236595] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:23:20,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1186760405] [2024-11-10 19:23:20,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:20,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:20,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:23:20,701 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 19:23:20,703 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 19:23:20,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:20,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:23:20,759 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:23:20,867 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:23:20,867 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:23:21,026 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-10 19:23:21,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1186760405] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:23:21,027 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:23:21,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 10] total 21 [2024-11-10 19:23:21,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319432139] [2024-11-10 19:23:21,027 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:23:21,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-10 19:23:21,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:21,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-10 19:23:21,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=325, Unknown=0, NotChecked=0, Total=420 [2024-11-10 19:23:21,030 INFO L87 Difference]: Start difference. First operand 288 states and 346 transitions. Second operand has 21 states, 21 states have (on average 3.8095238095238093) internal successors, (80), 21 states have internal predecessors, (80), 9 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) [2024-11-10 19:23:21,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:21,623 INFO L93 Difference]: Finished difference Result 520 states and 630 transitions. [2024-11-10 19:23:21,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-10 19:23:21,623 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 3.8095238095238093) internal successors, (80), 21 states have internal predecessors, (80), 9 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) Word has length 63 [2024-11-10 19:23:21,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:21,626 INFO L225 Difference]: With dead ends: 520 [2024-11-10 19:23:21,626 INFO L226 Difference]: Without dead ends: 367 [2024-11-10 19:23:21,627 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=299, Invalid=1183, Unknown=0, NotChecked=0, Total=1482 [2024-11-10 19:23:21,628 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 120 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:21,628 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 307 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:23:21,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-11-10 19:23:21,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 357. [2024-11-10 19:23:21,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 292 states have (on average 1.2157534246575343) internal successors, (355), 297 states have internal predecessors, (355), 33 states have call successors, (33), 26 states have call predecessors, (33), 26 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-10 19:23:21,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 421 transitions. [2024-11-10 19:23:21,648 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 421 transitions. Word has length 63 [2024-11-10 19:23:21,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:21,648 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 421 transitions. [2024-11-10 19:23:21,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.8095238095238093) internal successors, (80), 21 states have internal predecessors, (80), 9 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) [2024-11-10 19:23:21,649 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 421 transitions. [2024-11-10 19:23:21,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-10 19:23:21,651 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:21,651 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:21,669 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 19:23:21,856 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 19:23:21,857 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 19:23:21,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:21,857 INFO L85 PathProgramCache]: Analyzing trace with hash -531017700, now seen corresponding path program 1 times [2024-11-10 19:23:21,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:21,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436415193] [2024-11-10 19:23:21,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:21,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:21,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:22,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:22,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:22,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:22,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 19:23:22,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:22,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 19:23:22,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:22,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 19:23:22,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:22,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:23:22,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:22,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:23:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:22,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 19:23:22,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:22,069 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-10 19:23:22,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:22,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436415193] [2024-11-10 19:23:22,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436415193] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:23:22,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726096976] [2024-11-10 19:23:22,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:22,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:22,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:23:22,072 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 19:23:22,074 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 19:23:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:22,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 19:23:22,129 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:23:22,292 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:23:22,292 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:23:22,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726096976] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:23:22,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:23:22,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 21 [2024-11-10 19:23:22,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608456281] [2024-11-10 19:23:22,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:23:22,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:23:22,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:22,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:23:22,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2024-11-10 19:23:22,294 INFO L87 Difference]: Start difference. First operand 357 states and 421 transitions. Second operand has 11 states, 10 states have (on average 4.4) internal successors, (44), 11 states have internal predecessors, (44), 5 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-10 19:23:22,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:22,646 INFO L93 Difference]: Finished difference Result 432 states and 510 transitions. [2024-11-10 19:23:22,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 19:23:22,647 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.4) internal successors, (44), 11 states have internal predecessors, (44), 5 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) Word has length 69 [2024-11-10 19:23:22,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:22,649 INFO L225 Difference]: With dead ends: 432 [2024-11-10 19:23:22,649 INFO L226 Difference]: Without dead ends: 429 [2024-11-10 19:23:22,650 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=168, Invalid=824, Unknown=0, NotChecked=0, Total=992 [2024-11-10 19:23:22,650 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 112 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:22,651 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 200 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:23:22,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-11-10 19:23:22,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 324. [2024-11-10 19:23:22,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 265 states have (on average 1.1433962264150943) internal successors, (303), 268 states have internal predecessors, (303), 31 states have call successors, (31), 25 states have call predecessors, (31), 25 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-10 19:23:22,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 365 transitions. [2024-11-10 19:23:22,675 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 365 transitions. Word has length 69 [2024-11-10 19:23:22,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:22,675 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 365 transitions. [2024-11-10 19:23:22,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.4) internal successors, (44), 11 states have internal predecessors, (44), 5 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-10 19:23:22,676 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 365 transitions. [2024-11-10 19:23:22,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-10 19:23:22,676 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:22,677 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:22,693 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 19:23:22,877 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 19:23:22,878 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 19:23:22,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:22,878 INFO L85 PathProgramCache]: Analyzing trace with hash 718320493, now seen corresponding path program 1 times [2024-11-10 19:23:22,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:22,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207448848] [2024-11-10 19:23:22,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:22,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:22,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:23,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:23,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:23,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:23,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:23,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 19:23:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:23,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 19:23:23,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:23,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 19:23:23,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:23,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:23:23,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:23,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:23:23,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:23,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 19:23:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:23,110 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-10 19:23:23,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:23,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207448848] [2024-11-10 19:23:23,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207448848] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:23:23,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850776594] [2024-11-10 19:23:23,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:23,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:23,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:23:23,113 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 19:23:23,114 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 19:23:23,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:23,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 19:23:23,169 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:23:23,332 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 3 proven. 31 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:23:23,333 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:23:23,563 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-10 19:23:23,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [850776594] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:23:23,564 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:23:23,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 30 [2024-11-10 19:23:23,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739198980] [2024-11-10 19:23:23,565 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:23:23,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-10 19:23:23,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:23,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-10 19:23:23,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=740, Unknown=0, NotChecked=0, Total=930 [2024-11-10 19:23:23,570 INFO L87 Difference]: Start difference. First operand 324 states and 365 transitions. Second operand has 31 states, 30 states have (on average 3.4) internal successors, (102), 31 states have internal predecessors, (102), 14 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 14 states have call predecessors, (20), 14 states have call successors, (20) [2024-11-10 19:23:24,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:24,561 INFO L93 Difference]: Finished difference Result 373 states and 422 transitions. [2024-11-10 19:23:24,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-10 19:23:24,561 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 3.4) internal successors, (102), 31 states have internal predecessors, (102), 14 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 14 states have call predecessors, (20), 14 states have call successors, (20) Word has length 70 [2024-11-10 19:23:24,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:24,564 INFO L225 Difference]: With dead ends: 373 [2024-11-10 19:23:24,565 INFO L226 Difference]: Without dead ends: 372 [2024-11-10 19:23:24,566 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 733 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=715, Invalid=2945, Unknown=0, NotChecked=0, Total=3660 [2024-11-10 19:23:24,567 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 304 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:24,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 284 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:23:24,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2024-11-10 19:23:24,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 338. [2024-11-10 19:23:24,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 277 states have (on average 1.1407942238267148) internal successors, (316), 280 states have internal predecessors, (316), 32 states have call successors, (32), 26 states have call predecessors, (32), 26 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-10 19:23:24,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 380 transitions. [2024-11-10 19:23:24,586 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 380 transitions. Word has length 70 [2024-11-10 19:23:24,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:24,586 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 380 transitions. [2024-11-10 19:23:24,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 3.4) internal successors, (102), 31 states have internal predecessors, (102), 14 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 14 states have call predecessors, (20), 14 states have call successors, (20) [2024-11-10 19:23:24,587 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 380 transitions. [2024-11-10 19:23:24,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-10 19:23:24,588 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:24,588 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:24,605 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 19:23:24,788 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 19:23:24,789 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 19:23:24,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:24,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1747727910, now seen corresponding path program 1 times [2024-11-10 19:23:24,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:24,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046205715] [2024-11-10 19:23:24,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:24,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:24,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:25,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:25,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:25,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:25,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:25,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 19:23:25,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:25,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 19:23:25,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:25,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 19:23:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:25,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:23:25,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:25,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:23:25,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:25,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 19:23:25,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:25,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:23:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:25,061 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-10 19:23:25,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:25,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046205715] [2024-11-10 19:23:25,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046205715] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:23:25,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193130958] [2024-11-10 19:23:25,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:25,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:25,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:23:25,063 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 19:23:25,065 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 19:23:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:25,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 19:23:25,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:23:25,248 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:23:25,248 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:23:25,481 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-10 19:23:25,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193130958] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:23:25,482 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:23:25,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 14] total 29 [2024-11-10 19:23:25,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693362885] [2024-11-10 19:23:25,482 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:23:25,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-10 19:23:25,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:25,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-10 19:23:25,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=617, Unknown=0, NotChecked=0, Total=812 [2024-11-10 19:23:25,484 INFO L87 Difference]: Start difference. First operand 338 states and 380 transitions. Second operand has 29 states, 29 states have (on average 3.8275862068965516) internal successors, (111), 29 states have internal predecessors, (111), 13 states have call successors, (27), 7 states have call predecessors, (27), 7 states have return successors, (27), 13 states have call predecessors, (27), 13 states have call successors, (27) [2024-11-10 19:23:26,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:26,183 INFO L93 Difference]: Finished difference Result 602 states and 688 transitions. [2024-11-10 19:23:26,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-10 19:23:26,184 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.8275862068965516) internal successors, (111), 29 states have internal predecessors, (111), 13 states have call successors, (27), 7 states have call predecessors, (27), 7 states have return successors, (27), 13 states have call predecessors, (27), 13 states have call successors, (27) Word has length 86 [2024-11-10 19:23:26,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:26,187 INFO L225 Difference]: With dead ends: 602 [2024-11-10 19:23:26,187 INFO L226 Difference]: Without dead ends: 427 [2024-11-10 19:23:26,189 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 493 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=643, Invalid=1709, Unknown=0, NotChecked=0, Total=2352 [2024-11-10 19:23:26,190 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 187 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:26,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 455 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:23:26,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-11-10 19:23:26,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 398. [2024-11-10 19:23:26,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 327 states have (on average 1.1345565749235473) internal successors, (371), 330 states have internal predecessors, (371), 37 states have call successors, (37), 31 states have call predecessors, (37), 31 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-10 19:23:26,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 445 transitions. [2024-11-10 19:23:26,233 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 445 transitions. Word has length 86 [2024-11-10 19:23:26,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:26,233 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 445 transitions. [2024-11-10 19:23:26,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 3.8275862068965516) internal successors, (111), 29 states have internal predecessors, (111), 13 states have call successors, (27), 7 states have call predecessors, (27), 7 states have return successors, (27), 13 states have call predecessors, (27), 13 states have call successors, (27) [2024-11-10 19:23:26,234 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 445 transitions. [2024-11-10 19:23:26,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-10 19:23:26,235 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:26,235 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:26,252 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 19:23:26,439 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 19:23:26,440 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 19:23:26,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:26,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1838046767, now seen corresponding path program 1 times [2024-11-10 19:23:26,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:26,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787264707] [2024-11-10 19:23:26,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:26,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:26,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:26,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:26,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:26,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:26,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 19:23:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:26,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 19:23:26,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:26,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 19:23:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:26,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:23:26,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:26,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:23:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:26,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 19:23:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:26,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:23:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:26,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:23:26,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:26,731 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:23:26,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:26,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787264707] [2024-11-10 19:23:26,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787264707] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:23:26,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752059840] [2024-11-10 19:23:26,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:26,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:26,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:23:26,734 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 19:23:26,735 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 19:23:26,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:26,794 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-10 19:23:26,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:23:27,061 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:23:27,061 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:23:27,374 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:23:27,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [752059840] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:23:27,375 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:23:27,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 14] total 42 [2024-11-10 19:23:27,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525048499] [2024-11-10 19:23:27,375 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:23:27,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-11-10 19:23:27,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:27,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-11-10 19:23:27,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=362, Invalid=1444, Unknown=0, NotChecked=0, Total=1806 [2024-11-10 19:23:27,378 INFO L87 Difference]: Start difference. First operand 398 states and 445 transitions. Second operand has 43 states, 42 states have (on average 3.4285714285714284) internal successors, (144), 43 states have internal predecessors, (144), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) [2024-11-10 19:23:29,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:29,067 INFO L93 Difference]: Finished difference Result 864 states and 994 transitions. [2024-11-10 19:23:29,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-11-10 19:23:29,067 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 3.4285714285714284) internal successors, (144), 43 states have internal predecessors, (144), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) Word has length 92 [2024-11-10 19:23:29,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:29,071 INFO L225 Difference]: With dead ends: 864 [2024-11-10 19:23:29,071 INFO L226 Difference]: Without dead ends: 689 [2024-11-10 19:23:29,074 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2133 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1770, Invalid=7350, Unknown=0, NotChecked=0, Total=9120 [2024-11-10 19:23:29,075 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 635 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 635 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:29,075 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [635 Valid, 408 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 19:23:29,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2024-11-10 19:23:29,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 613. [2024-11-10 19:23:29,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 502 states have (on average 1.155378486055777) internal successors, (580), 505 states have internal predecessors, (580), 57 states have call successors, (57), 51 states have call predecessors, (57), 51 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-10 19:23:29,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 694 transitions. [2024-11-10 19:23:29,109 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 694 transitions. Word has length 92 [2024-11-10 19:23:29,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:29,110 INFO L471 AbstractCegarLoop]: Abstraction has 613 states and 694 transitions. [2024-11-10 19:23:29,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 3.4285714285714284) internal successors, (144), 43 states have internal predecessors, (144), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) [2024-11-10 19:23:29,111 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 694 transitions. [2024-11-10 19:23:29,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-10 19:23:29,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:29,112 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:29,130 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-10 19:23:29,313 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 19:23:29,313 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 19:23:29,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:29,314 INFO L85 PathProgramCache]: Analyzing trace with hash 2079469889, now seen corresponding path program 1 times [2024-11-10 19:23:29,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:29,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583210878] [2024-11-10 19:23:29,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:29,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:29,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:29,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:29,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:29,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 19:23:29,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:29,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 19:23:29,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:29,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 19:23:29,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:29,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:23:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:29,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:23:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:29,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 19:23:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:29,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:23:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:29,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:23:29,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:29,610 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:23:29,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:29,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583210878] [2024-11-10 19:23:29,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583210878] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:23:29,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1979925822] [2024-11-10 19:23:29,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:29,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:29,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:23:29,613 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 19:23:29,614 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 19:23:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:29,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-10 19:23:29,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:23:29,907 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 3 proven. 102 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:23:29,907 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:23:30,243 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 3 proven. 42 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:23:30,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1979925822] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:23:30,245 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:23:30,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 14] total 42 [2024-11-10 19:23:30,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028267509] [2024-11-10 19:23:30,245 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:23:30,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-11-10 19:23:30,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:30,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-11-10 19:23:30,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=368, Invalid=1438, Unknown=0, NotChecked=0, Total=1806 [2024-11-10 19:23:30,249 INFO L87 Difference]: Start difference. First operand 613 states and 694 transitions. Second operand has 43 states, 42 states have (on average 3.4285714285714284) internal successors, (144), 43 states have internal predecessors, (144), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) [2024-11-10 19:23:31,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:31,661 INFO L93 Difference]: Finished difference Result 797 states and 903 transitions. [2024-11-10 19:23:31,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-11-10 19:23:31,662 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 3.4285714285714284) internal successors, (144), 43 states have internal predecessors, (144), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) Word has length 92 [2024-11-10 19:23:31,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:31,665 INFO L225 Difference]: With dead ends: 797 [2024-11-10 19:23:31,665 INFO L226 Difference]: Without dead ends: 794 [2024-11-10 19:23:31,668 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1845 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1656, Invalid=6716, Unknown=0, NotChecked=0, Total=8372 [2024-11-10 19:23:31,668 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 325 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:31,669 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 434 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:23:31,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2024-11-10 19:23:31,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 669. [2024-11-10 19:23:31,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 669 states, 546 states have (on average 1.1611721611721613) internal successors, (634), 549 states have internal predecessors, (634), 63 states have call successors, (63), 57 states have call predecessors, (63), 57 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-10 19:23:31,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 760 transitions. [2024-11-10 19:23:31,707 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 760 transitions. Word has length 92 [2024-11-10 19:23:31,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:31,707 INFO L471 AbstractCegarLoop]: Abstraction has 669 states and 760 transitions. [2024-11-10 19:23:31,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 3.4285714285714284) internal successors, (144), 43 states have internal predecessors, (144), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) [2024-11-10 19:23:31,708 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 760 transitions. [2024-11-10 19:23:31,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-10 19:23:31,709 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:31,709 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:31,725 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 19:23:31,913 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 19:23:31,914 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 19:23:31,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:31,914 INFO L85 PathProgramCache]: Analyzing trace with hash 328541056, now seen corresponding path program 1 times [2024-11-10 19:23:31,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:31,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080561988] [2024-11-10 19:23:31,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:31,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:32,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:32,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:32,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:32,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:32,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 19:23:32,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:32,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 19:23:32,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:32,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 19:23:32,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:32,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:23:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:32,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:23:32,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:32,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 19:23:32,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:32,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:23:32,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:32,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:23:32,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:32,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 19:23:32,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:32,281 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 3 proven. 69 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-10 19:23:32,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:32,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080561988] [2024-11-10 19:23:32,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080561988] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:23:32,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1630425446] [2024-11-10 19:23:32,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:32,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:32,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:23:32,284 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 19:23:32,286 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 19:23:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:32,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-10 19:23:32,350 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:23:32,477 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 3 proven. 153 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:23:32,478 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:23:32,764 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 3 proven. 69 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-10 19:23:32,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1630425446] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:23:32,765 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:23:32,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 18] total 37 [2024-11-10 19:23:32,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063601110] [2024-11-10 19:23:32,765 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:23:32,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-10 19:23:32,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:32,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-10 19:23:32,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=1053, Unknown=0, NotChecked=0, Total=1332 [2024-11-10 19:23:32,767 INFO L87 Difference]: Start difference. First operand 669 states and 760 transitions. Second operand has 37 states, 37 states have (on average 3.810810810810811) internal successors, (141), 37 states have internal predecessors, (141), 17 states have call successors, (33), 9 states have call predecessors, (33), 9 states have return successors, (33), 17 states have call predecessors, (33), 17 states have call successors, (33) [2024-11-10 19:23:33,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:33,892 INFO L93 Difference]: Finished difference Result 1250 states and 1433 transitions. [2024-11-10 19:23:33,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-10 19:23:33,893 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 3.810810810810811) internal successors, (141), 37 states have internal predecessors, (141), 17 states have call successors, (33), 9 states have call predecessors, (33), 9 states have return successors, (33), 17 states have call predecessors, (33), 17 states have call successors, (33) Word has length 108 [2024-11-10 19:23:33,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:33,897 INFO L225 Difference]: With dead ends: 1250 [2024-11-10 19:23:33,898 INFO L226 Difference]: Without dead ends: 932 [2024-11-10 19:23:33,901 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1387 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1135, Invalid=4415, Unknown=0, NotChecked=0, Total=5550 [2024-11-10 19:23:33,901 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 296 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:33,902 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 487 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:23:33,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2024-11-10 19:23:33,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 834. [2024-11-10 19:23:33,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 834 states, 681 states have (on average 1.1409691629955947) internal successors, (777), 684 states have internal predecessors, (777), 78 states have call successors, (78), 72 states have call predecessors, (78), 72 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-10 19:23:33,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 933 transitions. [2024-11-10 19:23:33,950 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 933 transitions. Word has length 108 [2024-11-10 19:23:33,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:33,951 INFO L471 AbstractCegarLoop]: Abstraction has 834 states and 933 transitions. [2024-11-10 19:23:33,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.810810810810811) internal successors, (141), 37 states have internal predecessors, (141), 17 states have call successors, (33), 9 states have call predecessors, (33), 9 states have return successors, (33), 17 states have call predecessors, (33), 17 states have call successors, (33) [2024-11-10 19:23:33,951 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 933 transitions. [2024-11-10 19:23:33,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-10 19:23:33,953 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:33,954 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:33,971 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 19:23:34,154 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 19:23:34,154 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 19:23:34,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:34,155 INFO L85 PathProgramCache]: Analyzing trace with hash 964443117, now seen corresponding path program 1 times [2024-11-10 19:23:34,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:34,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124248881] [2024-11-10 19:23:34,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:34,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:34,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:34,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:34,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:34,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:34,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:34,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 19:23:34,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:34,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 19:23:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:34,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 19:23:34,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:34,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:23:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:34,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:23:34,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:34,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 19:23:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:34,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:23:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:34,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:23:34,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:34,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 19:23:34,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:34,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 19:23:34,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:34,538 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-10 19:23:34,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:34,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124248881] [2024-11-10 19:23:34,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124248881] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:23:34,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226583321] [2024-11-10 19:23:34,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:34,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:34,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:23:34,541 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 19:23:34,542 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 19:23:34,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:34,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-10 19:23:34,611 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:23:34,950 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 3 proven. 175 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:23:34,950 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:23:35,402 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 3 proven. 63 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-10 19:23:35,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226583321] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:23:35,403 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:23:35,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18, 18] total 54 [2024-11-10 19:23:35,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598314891] [2024-11-10 19:23:35,403 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:23:35,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-11-10 19:23:35,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:35,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-11-10 19:23:35,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=564, Invalid=2406, Unknown=0, NotChecked=0, Total=2970 [2024-11-10 19:23:35,406 INFO L87 Difference]: Start difference. First operand 834 states and 933 transitions. Second operand has 55 states, 54 states have (on average 3.4444444444444446) internal successors, (186), 55 states have internal predecessors, (186), 26 states have call successors, (32), 9 states have call predecessors, (32), 9 states have return successors, (32), 26 states have call predecessors, (32), 26 states have call successors, (32) [2024-11-10 19:23:37,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:37,199 INFO L93 Difference]: Finished difference Result 1034 states and 1159 transitions. [2024-11-10 19:23:37,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-11-10 19:23:37,200 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 54 states have (on average 3.4444444444444446) internal successors, (186), 55 states have internal predecessors, (186), 26 states have call successors, (32), 9 states have call predecessors, (32), 9 states have return successors, (32), 26 states have call predecessors, (32), 26 states have call successors, (32) Word has length 114 [2024-11-10 19:23:37,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:37,203 INFO L225 Difference]: With dead ends: 1034 [2024-11-10 19:23:37,203 INFO L226 Difference]: Without dead ends: 1032 [2024-11-10 19:23:37,207 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3588 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=2754, Invalid=12008, Unknown=0, NotChecked=0, Total=14762 [2024-11-10 19:23:37,207 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 604 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 627 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 604 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:37,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [604 Valid, 416 Invalid, 681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 627 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:23:37,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2024-11-10 19:23:37,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 687. [2024-11-10 19:23:37,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 560 states have (on average 1.1428571428571428) internal successors, (640), 564 states have internal predecessors, (640), 65 states have call successors, (65), 59 states have call predecessors, (65), 59 states have return successors, (65), 63 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-10 19:23:37,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 770 transitions. [2024-11-10 19:23:37,265 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 770 transitions. Word has length 114 [2024-11-10 19:23:37,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:37,265 INFO L471 AbstractCegarLoop]: Abstraction has 687 states and 770 transitions. [2024-11-10 19:23:37,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 54 states have (on average 3.4444444444444446) internal successors, (186), 55 states have internal predecessors, (186), 26 states have call successors, (32), 9 states have call predecessors, (32), 9 states have return successors, (32), 26 states have call predecessors, (32), 26 states have call successors, (32) [2024-11-10 19:23:37,266 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 770 transitions. [2024-11-10 19:23:37,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-10 19:23:37,268 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:37,268 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:37,286 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 19:23:37,472 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 19:23:37,473 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 19:23:37,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:37,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1885129519, now seen corresponding path program 2 times [2024-11-10 19:23:37,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:37,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742796970] [2024-11-10 19:23:37,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:37,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:37,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:38,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:38,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:38,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:38,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 19:23:38,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:38,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 19:23:38,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:38,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 19:23:38,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:38,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:23:38,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:38,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:23:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:38,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 19:23:38,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:38,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:23:38,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:38,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:23:38,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:38,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 19:23:38,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:38,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 19:23:38,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:38,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 19:23:38,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:38,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 19:23:38,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:38,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 19:23:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:38,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 19:23:38,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:38,080 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 201 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-10 19:23:38,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:38,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742796970] [2024-11-10 19:23:38,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742796970] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:23:38,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228072418] [2024-11-10 19:23:38,081 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:23:38,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:38,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:23:38,083 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 19:23:38,084 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 19:23:38,159 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:23:38,159 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:23:38,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-10 19:23:38,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:23:38,358 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:23:38,358 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:23:39,035 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 201 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-10 19:23:39,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [228072418] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:23:39,035 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:23:39,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 26, 27] total 56 [2024-11-10 19:23:39,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346394900] [2024-11-10 19:23:39,036 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:23:39,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-11-10 19:23:39,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:39,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-11-10 19:23:39,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=629, Invalid=2563, Unknown=0, NotChecked=0, Total=3192 [2024-11-10 19:23:39,040 INFO L87 Difference]: Start difference. First operand 687 states and 770 transitions. Second operand has 57 states, 56 states have (on average 3.732142857142857) internal successors, (209), 57 states have internal predecessors, (209), 27 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 27 states have call predecessors, (48), 27 states have call successors, (48) [2024-11-10 19:23:41,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:41,025 INFO L93 Difference]: Finished difference Result 1663 states and 1899 transitions. [2024-11-10 19:23:41,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-11-10 19:23:41,026 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 56 states have (on average 3.732142857142857) internal successors, (209), 57 states have internal predecessors, (209), 27 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 27 states have call predecessors, (48), 27 states have call successors, (48) Word has length 158 [2024-11-10 19:23:41,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:41,031 INFO L225 Difference]: With dead ends: 1663 [2024-11-10 19:23:41,031 INFO L226 Difference]: Without dead ends: 1371 [2024-11-10 19:23:41,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4276 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=3050, Invalid=12450, Unknown=0, NotChecked=0, Total=15500 [2024-11-10 19:23:41,035 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 602 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:41,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [602 Valid, 490 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 611 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 19:23:41,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1371 states. [2024-11-10 19:23:41,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1371 to 1075. [2024-11-10 19:23:41,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1075 states, 878 states have (on average 1.1571753986332574) internal successors, (1016), 882 states have internal predecessors, (1016), 100 states have call successors, (100), 94 states have call predecessors, (100), 94 states have return successors, (100), 98 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-10 19:23:41,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 1075 states and 1216 transitions. [2024-11-10 19:23:41,121 INFO L78 Accepts]: Start accepts. Automaton has 1075 states and 1216 transitions. Word has length 158 [2024-11-10 19:23:41,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:41,122 INFO L471 AbstractCegarLoop]: Abstraction has 1075 states and 1216 transitions. [2024-11-10 19:23:41,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 56 states have (on average 3.732142857142857) internal successors, (209), 57 states have internal predecessors, (209), 27 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 27 states have call predecessors, (48), 27 states have call successors, (48) [2024-11-10 19:23:41,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1216 transitions. [2024-11-10 19:23:41,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-10 19:23:41,125 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:41,125 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 10, 10, 10, 10, 10, 10, 10, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:41,139 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 19:23:41,326 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 19:23:41,326 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 19:23:41,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:41,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1226759720, now seen corresponding path program 2 times [2024-11-10 19:23:41,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:41,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615246529] [2024-11-10 19:23:41,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:41,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:41,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:41,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:41,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:41,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:41,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:41,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 19:23:41,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:41,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 19:23:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:41,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 19:23:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:41,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:23:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:41,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:23:41,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:41,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 19:23:41,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:41,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:23:41,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:41,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:23:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:41,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 19:23:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:41,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 19:23:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:41,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 19:23:41,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:41,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 19:23:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:41,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 19:23:41,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:41,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 19:23:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:41,926 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 3 proven. 320 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-10 19:23:41,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:41,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615246529] [2024-11-10 19:23:41,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615246529] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:23:41,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141887169] [2024-11-10 19:23:41,927 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:23:41,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:41,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:23:41,929 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 19:23:41,931 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 19:23:42,008 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:23:42,008 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:23:42,010 INFO L255 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-10 19:23:42,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:23:42,185 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 3 proven. 584 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:23:42,185 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:23:42,723 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 3 proven. 320 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-10 19:23:42,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141887169] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:23:42,724 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:23:42,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 27, 28] total 48 [2024-11-10 19:23:42,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719695297] [2024-11-10 19:23:42,724 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:23:42,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-10 19:23:42,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:42,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-10 19:23:42,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=470, Invalid=1786, Unknown=0, NotChecked=0, Total=2256 [2024-11-10 19:23:42,727 INFO L87 Difference]: Start difference. First operand 1075 states and 1216 transitions. Second operand has 48 states, 48 states have (on average 4.145833333333333) internal successors, (199), 48 states have internal predecessors, (199), 21 states have call successors, (45), 14 states have call predecessors, (45), 14 states have return successors, (45), 21 states have call predecessors, (45), 21 states have call successors, (45) [2024-11-10 19:23:44,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:44,206 INFO L93 Difference]: Finished difference Result 1677 states and 1917 transitions. [2024-11-10 19:23:44,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-11-10 19:23:44,207 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 48 states have (on average 4.145833333333333) internal successors, (199), 48 states have internal predecessors, (199), 21 states have call successors, (45), 14 states have call predecessors, (45), 14 states have return successors, (45), 21 states have call predecessors, (45), 21 states have call successors, (45) Word has length 163 [2024-11-10 19:23:44,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:44,212 INFO L225 Difference]: With dead ends: 1677 [2024-11-10 19:23:44,212 INFO L226 Difference]: Without dead ends: 1327 [2024-11-10 19:23:44,215 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 329 SyntacticMatches, 9 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2875 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=2293, Invalid=8419, Unknown=0, NotChecked=0, Total=10712 [2024-11-10 19:23:44,215 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 495 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 495 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:44,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [495 Valid, 594 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:23:44,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1327 states. [2024-11-10 19:23:44,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1327 to 1243. [2024-11-10 19:23:44,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1243 states, 1020 states have (on average 1.1431372549019607) internal successors, (1166), 1024 states have internal predecessors, (1166), 113 states have call successors, (113), 107 states have call predecessors, (113), 107 states have return successors, (113), 111 states have call predecessors, (113), 113 states have call successors, (113) [2024-11-10 19:23:44,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 1243 states and 1392 transitions. [2024-11-10 19:23:44,310 INFO L78 Accepts]: Start accepts. Automaton has 1243 states and 1392 transitions. Word has length 163 [2024-11-10 19:23:44,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:44,311 INFO L471 AbstractCegarLoop]: Abstraction has 1243 states and 1392 transitions. [2024-11-10 19:23:44,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 4.145833333333333) internal successors, (199), 48 states have internal predecessors, (199), 21 states have call successors, (45), 14 states have call predecessors, (45), 14 states have return successors, (45), 21 states have call predecessors, (45), 21 states have call successors, (45) [2024-11-10 19:23:44,311 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 1392 transitions. [2024-11-10 19:23:44,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-10 19:23:44,316 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:44,316 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:44,334 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-10 19:23:44,517 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 19:23:44,517 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 19:23:44,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:44,517 INFO L85 PathProgramCache]: Analyzing trace with hash -900552913, now seen corresponding path program 1 times [2024-11-10 19:23:44,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:44,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789620842] [2024-11-10 19:23:44,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:44,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:44,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:44,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:44,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:44,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:44,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:44,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 19:23:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:44,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 19:23:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:44,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 19:23:44,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:44,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:23:44,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:44,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:23:44,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:44,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 19:23:44,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:44,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:23:44,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:44,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:23:44,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:44,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 19:23:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:44,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 19:23:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:44,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 19:23:44,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:44,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 19:23:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:44,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 19:23:44,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:44,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 19:23:44,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:44,927 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 72 proven. 76 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2024-11-10 19:23:44,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:44,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789620842] [2024-11-10 19:23:44,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789620842] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:23:44,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1430518959] [2024-11-10 19:23:44,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:44,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:44,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:23:44,930 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 19:23:44,931 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 19:23:45,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:45,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-10 19:23:45,009 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:23:45,174 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 200 proven. 188 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-11-10 19:23:45,174 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:23:45,610 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 72 proven. 76 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2024-11-10 19:23:45,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1430518959] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:23:45,611 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:23:45,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 19, 20] total 41 [2024-11-10 19:23:45,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39069617] [2024-11-10 19:23:45,611 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:23:45,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-11-10 19:23:45,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:45,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-11-10 19:23:45,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=333, Invalid=1307, Unknown=0, NotChecked=0, Total=1640 [2024-11-10 19:23:45,614 INFO L87 Difference]: Start difference. First operand 1243 states and 1392 transitions. Second operand has 41 states, 41 states have (on average 4.048780487804878) internal successors, (166), 41 states have internal predecessors, (166), 20 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 20 states have call predecessors, (38), 20 states have call successors, (38) [2024-11-10 19:23:46,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:46,627 INFO L93 Difference]: Finished difference Result 2053 states and 2313 transitions. [2024-11-10 19:23:46,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-11-10 19:23:46,628 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 41 states have (on average 4.048780487804878) internal successors, (166), 41 states have internal predecessors, (166), 20 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 20 states have call predecessors, (38), 20 states have call successors, (38) Word has length 168 [2024-11-10 19:23:46,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:46,634 INFO L225 Difference]: With dead ends: 2053 [2024-11-10 19:23:46,634 INFO L226 Difference]: Without dead ends: 1670 [2024-11-10 19:23:46,637 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 347 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1677 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1265, Invalid=5215, Unknown=0, NotChecked=0, Total=6480 [2024-11-10 19:23:46,637 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 306 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:46,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 360 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:23:46,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1670 states. [2024-11-10 19:23:46,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1670 to 1588. [2024-11-10 19:23:46,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1588 states, 1305 states have (on average 1.1310344827586207) internal successors, (1476), 1309 states have internal predecessors, (1476), 143 states have call successors, (143), 137 states have call predecessors, (143), 137 states have return successors, (143), 141 states have call predecessors, (143), 143 states have call successors, (143) [2024-11-10 19:23:46,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1588 states and 1762 transitions. [2024-11-10 19:23:46,759 INFO L78 Accepts]: Start accepts. Automaton has 1588 states and 1762 transitions. Word has length 168 [2024-11-10 19:23:46,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:46,760 INFO L471 AbstractCegarLoop]: Abstraction has 1588 states and 1762 transitions. [2024-11-10 19:23:46,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 4.048780487804878) internal successors, (166), 41 states have internal predecessors, (166), 20 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 20 states have call predecessors, (38), 20 states have call successors, (38) [2024-11-10 19:23:46,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 1762 transitions. [2024-11-10 19:23:46,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-10 19:23:46,767 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:46,767 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 9, 9, 8, 8, 8, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2024-11-10 19:23:46,790 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-10 19:23:46,971 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 19:23:46,972 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 19:23:46,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:46,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1876612385, now seen corresponding path program 2 times [2024-11-10 19:23:46,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:46,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908360943] [2024-11-10 19:23:46,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:46,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:46,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:47,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:47,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:47,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:47,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 19:23:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:47,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 19:23:47,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:47,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 19:23:47,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:47,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:23:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:47,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:23:47,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:47,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 19:23:47,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:47,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:23:47,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:47,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:23:47,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:47,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 19:23:47,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:47,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 19:23:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:47,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 19:23:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:47,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 19:23:47,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:47,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 19:23:47,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:47,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 19:23:47,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:47,095 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-10 19:23:47,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:47,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908360943] [2024-11-10 19:23:47,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908360943] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:23:47,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:23:47,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:23:47,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979871451] [2024-11-10 19:23:47,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:23:47,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:23:47,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:47,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:23:47,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:23:47,098 INFO L87 Difference]: Start difference. First operand 1588 states and 1762 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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 19:23:47,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:47,282 INFO L93 Difference]: Finished difference Result 2312 states and 2607 transitions. [2024-11-10 19:23:47,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:23:47,282 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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 168 [2024-11-10 19:23:47,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:47,290 INFO L225 Difference]: With dead ends: 2312 [2024-11-10 19:23:47,290 INFO L226 Difference]: Without dead ends: 1659 [2024-11-10 19:23:47,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 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 19:23:47,294 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 16 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:47,294 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 165 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:23:47,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1659 states. [2024-11-10 19:23:47,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1659 to 1597. [2024-11-10 19:23:47,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1597 states, 1315 states have (on average 1.126235741444867) internal successors, (1481), 1318 states have internal predecessors, (1481), 145 states have call successors, (145), 134 states have call predecessors, (145), 134 states have return successors, (145), 144 states have call predecessors, (145), 145 states have call successors, (145) [2024-11-10 19:23:47,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1597 states to 1597 states and 1771 transitions. [2024-11-10 19:23:47,423 INFO L78 Accepts]: Start accepts. Automaton has 1597 states and 1771 transitions. Word has length 168 [2024-11-10 19:23:47,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:47,424 INFO L471 AbstractCegarLoop]: Abstraction has 1597 states and 1771 transitions. [2024-11-10 19:23:47,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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 19:23:47,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 1771 transitions. [2024-11-10 19:23:47,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-10 19:23:47,429 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:47,429 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 10, 10, 10, 10, 10, 10, 10, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:47,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-10 19:23:47,429 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 19:23:47,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:47,430 INFO L85 PathProgramCache]: Analyzing trace with hash -305155735, now seen corresponding path program 2 times [2024-11-10 19:23:47,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:47,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740280894] [2024-11-10 19:23:47,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:47,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:47,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:48,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:48,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:48,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 19:23:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:48,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 19:23:48,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:48,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 19:23:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:48,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:23:48,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:48,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:23:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:48,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 19:23:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:48,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:23:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:48,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:23:48,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:48,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 19:23:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:48,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 19:23:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:48,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 19:23:48,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:48,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 19:23:48,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:48,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 19:23:48,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:48,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 19:23:48,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:48,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 19:23:48,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:48,100 INFO L134 CoverageAnalysis]: Checked inductivity of 661 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-11-10 19:23:48,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:48,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740280894] [2024-11-10 19:23:48,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740280894] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:23:48,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466224898] [2024-11-10 19:23:48,101 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:23:48,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:48,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:23:48,103 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 19:23:48,104 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 19:23:48,185 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:23:48,185 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:23:48,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-10 19:23:48,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:23:48,934 INFO L134 CoverageAnalysis]: Checked inductivity of 661 backedges. 3 proven. 634 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:23:48,934 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:23:49,934 INFO L134 CoverageAnalysis]: Checked inductivity of 661 backedges. 3 proven. 322 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-11-10 19:23:49,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466224898] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:23:49,934 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:23:49,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 28, 28] total 84 [2024-11-10 19:23:49,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256400603] [2024-11-10 19:23:49,934 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:23:49,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-11-10 19:23:49,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:49,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-11-10 19:23:49,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1477, Invalid=5663, Unknown=0, NotChecked=0, Total=7140 [2024-11-10 19:23:49,938 INFO L87 Difference]: Start difference. First operand 1597 states and 1771 transitions. Second operand has 85 states, 84 states have (on average 3.4642857142857144) internal successors, (291), 85 states have internal predecessors, (291), 41 states have call successors, (47), 14 states have call predecessors, (47), 14 states have return successors, (47), 41 states have call predecessors, (47), 41 states have call successors, (47) [2024-11-10 19:23:54,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:54,177 INFO L93 Difference]: Finished difference Result 2216 states and 2500 transitions. [2024-11-10 19:23:54,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2024-11-10 19:23:54,178 INFO L78 Accepts]: Start accepts. Automaton has has 85 states, 84 states have (on average 3.4642857142857144) internal successors, (291), 85 states have internal predecessors, (291), 41 states have call successors, (47), 14 states have call predecessors, (47), 14 states have return successors, (47), 41 states have call predecessors, (47), 41 states have call successors, (47) Word has length 169 [2024-11-10 19:23:54,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:54,186 INFO L225 Difference]: With dead ends: 2216 [2024-11-10 19:23:54,186 INFO L226 Difference]: Without dead ends: 2207 [2024-11-10 19:23:54,191 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 511 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9716 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=7825, Invalid=30395, Unknown=0, NotChecked=0, Total=38220 [2024-11-10 19:23:54,191 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 1181 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 897 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1181 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:54,192 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1181 Valid, 583 Invalid, 973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 897 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-10 19:23:54,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2207 states. [2024-11-10 19:23:54,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2207 to 1630. [2024-11-10 19:23:54,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1630 states, 1339 states have (on average 1.1351755041075429) internal successors, (1520), 1342 states have internal predecessors, (1520), 149 states have call successors, (149), 139 states have call predecessors, (149), 139 states have return successors, (149), 148 states have call predecessors, (149), 149 states have call successors, (149) [2024-11-10 19:23:54,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1630 states to 1630 states and 1818 transitions. [2024-11-10 19:23:54,327 INFO L78 Accepts]: Start accepts. Automaton has 1630 states and 1818 transitions. Word has length 169 [2024-11-10 19:23:54,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:54,328 INFO L471 AbstractCegarLoop]: Abstraction has 1630 states and 1818 transitions. [2024-11-10 19:23:54,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 84 states have (on average 3.4642857142857144) internal successors, (291), 85 states have internal predecessors, (291), 41 states have call successors, (47), 14 states have call predecessors, (47), 14 states have return successors, (47), 41 states have call predecessors, (47), 41 states have call successors, (47) [2024-11-10 19:23:54,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1630 states and 1818 transitions. [2024-11-10 19:23:54,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-10 19:23:54,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:54,332 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:54,349 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-10 19:23:54,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:54,533 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 19:23:54,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:54,534 INFO L85 PathProgramCache]: Analyzing trace with hash -711616872, now seen corresponding path program 1 times [2024-11-10 19:23:54,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:54,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761118209] [2024-11-10 19:23:54,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:54,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:54,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:55,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:55,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:55,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:55,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 19:23:55,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:55,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 19:23:55,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:55,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 19:23:55,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:55,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:23:55,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:55,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:23:55,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:55,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 19:23:55,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:55,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:23:55,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:55,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:23:55,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:55,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 19:23:55,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:55,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 19:23:55,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:55,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 19:23:55,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:55,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 19:23:55,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:55,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 19:23:55,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:55,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 19:23:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:55,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 19:23:55,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:55,137 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 6 proven. 212 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-11-10 19:23:55,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:55,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761118209] [2024-11-10 19:23:55,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761118209] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:23:55,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1499742033] [2024-11-10 19:23:55,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:55,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:55,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:23:55,140 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 19:23:55,157 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 19:23:55,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:55,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-10 19:23:55,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:23:55,413 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 6 proven. 524 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:23:55,414 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:23:55,930 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 6 proven. 212 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-11-10 19:23:55,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1499742033] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:23:55,930 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:23:55,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 29, 30] total 51 [2024-11-10 19:23:55,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749563905] [2024-11-10 19:23:55,931 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:23:55,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-11-10 19:23:55,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:55,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-11-10 19:23:55,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=457, Invalid=2093, Unknown=0, NotChecked=0, Total=2550 [2024-11-10 19:23:55,933 INFO L87 Difference]: Start difference. First operand 1630 states and 1818 transitions. Second operand has 51 states, 51 states have (on average 4.333333333333333) internal successors, (221), 51 states have internal predecessors, (221), 21 states have call successors, (49), 15 states have call predecessors, (49), 15 states have return successors, (49), 21 states have call predecessors, (49), 21 states have call successors, (49) [2024-11-10 19:23:57,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:57,724 INFO L93 Difference]: Finished difference Result 3235 states and 3640 transitions. [2024-11-10 19:23:57,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-11-10 19:23:57,724 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 4.333333333333333) internal successors, (221), 51 states have internal predecessors, (221), 21 states have call successors, (49), 15 states have call predecessors, (49), 15 states have return successors, (49), 21 states have call predecessors, (49), 21 states have call successors, (49) Word has length 174 [2024-11-10 19:23:57,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:57,733 INFO L225 Difference]: With dead ends: 3235 [2024-11-10 19:23:57,733 INFO L226 Difference]: Without dead ends: 2794 [2024-11-10 19:23:57,736 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 465 GetRequests, 351 SyntacticMatches, 10 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3337 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=2077, Invalid=9053, Unknown=0, NotChecked=0, Total=11130 [2024-11-10 19:23:57,736 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 404 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:57,737 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 511 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 19:23:57,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2794 states. [2024-11-10 19:23:57,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2794 to 2201. [2024-11-10 19:23:57,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2201 states, 1808 states have (on average 1.1222345132743363) internal successors, (2029), 1811 states have internal predecessors, (2029), 200 states have call successors, (200), 190 states have call predecessors, (200), 190 states have return successors, (200), 199 states have call predecessors, (200), 200 states have call successors, (200) [2024-11-10 19:23:57,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2201 states to 2201 states and 2429 transitions. [2024-11-10 19:23:57,893 INFO L78 Accepts]: Start accepts. Automaton has 2201 states and 2429 transitions. Word has length 174 [2024-11-10 19:23:57,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:57,893 INFO L471 AbstractCegarLoop]: Abstraction has 2201 states and 2429 transitions. [2024-11-10 19:23:57,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 4.333333333333333) internal successors, (221), 51 states have internal predecessors, (221), 21 states have call successors, (49), 15 states have call predecessors, (49), 15 states have return successors, (49), 21 states have call predecessors, (49), 21 states have call successors, (49) [2024-11-10 19:23:57,894 INFO L276 IsEmpty]: Start isEmpty. Operand 2201 states and 2429 transitions. [2024-11-10 19:23:57,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-10 19:23:57,898 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:57,898 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:57,916 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-10 19:23:58,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:58,099 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 19:23:58,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:58,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1763071449, now seen corresponding path program 3 times [2024-11-10 19:23:58,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:58,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261559347] [2024-11-10 19:23:58,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:58,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:58,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:58,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:58,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:58,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 19:23:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:58,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 19:23:58,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:58,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 19:23:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:58,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:23:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:58,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:23:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:58,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 19:23:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:58,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:23:58,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:58,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:23:58,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:58,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 19:23:58,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:58,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 19:23:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:58,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 19:23:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:58,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 19:23:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:58,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 19:23:58,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:58,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 19:23:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:58,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 19:23:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:58,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 19:23:58,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:58,759 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 0 proven. 230 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-10 19:23:58,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:58,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261559347] [2024-11-10 19:23:58,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261559347] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:23:58,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1830995347] [2024-11-10 19:23:58,760 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 19:23:58,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:58,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:23:58,762 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 19:23:58,764 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 19:23:58,821 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-10 19:23:58,821 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:23:58,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:23:58,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:23:58,899 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2024-11-10 19:23:58,899 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:23:58,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1830995347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:23:58,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:23:58,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [32] total 35 [2024-11-10 19:23:58,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432796128] [2024-11-10 19:23:58,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:23:58,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:23:58,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:58,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:23:58,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=1015, Unknown=0, NotChecked=0, Total=1260 [2024-11-10 19:23:58,902 INFO L87 Difference]: Start difference. First operand 2201 states and 2429 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:23:59,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:59,072 INFO L93 Difference]: Finished difference Result 2219 states and 2447 transitions. [2024-11-10 19:23:59,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:23:59,073 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 180 [2024-11-10 19:23:59,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:59,082 INFO L225 Difference]: With dead ends: 2219 [2024-11-10 19:23:59,082 INFO L226 Difference]: Without dead ends: 2215 [2024-11-10 19:23:59,083 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 315 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=254, Invalid=1152, Unknown=0, NotChecked=0, Total=1406 [2024-11-10 19:23:59,084 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 25 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:59,084 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 121 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:23:59,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2215 states. [2024-11-10 19:23:59,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2215 to 2015. [2024-11-10 19:23:59,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2015 states, 1658 states have (on average 1.1218335343787695) internal successors, (1860), 1661 states have internal predecessors, (1860), 182 states have call successors, (182), 172 states have call predecessors, (182), 172 states have return successors, (182), 181 states have call predecessors, (182), 182 states have call successors, (182) [2024-11-10 19:23:59,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2015 states to 2015 states and 2224 transitions. [2024-11-10 19:23:59,228 INFO L78 Accepts]: Start accepts. Automaton has 2015 states and 2224 transitions. Word has length 180 [2024-11-10 19:23:59,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:59,229 INFO L471 AbstractCegarLoop]: Abstraction has 2015 states and 2224 transitions. [2024-11-10 19:23:59,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:23:59,229 INFO L276 IsEmpty]: Start isEmpty. Operand 2015 states and 2224 transitions. [2024-11-10 19:23:59,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-10 19:23:59,234 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:59,234 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:59,250 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-10 19:23:59,434 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,SelfDestructingSolverStorable23 [2024-11-10 19:23:59,434 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 19:23:59,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:59,435 INFO L85 PathProgramCache]: Analyzing trace with hash -122979460, now seen corresponding path program 3 times [2024-11-10 19:23:59,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:59,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659500790] [2024-11-10 19:23:59,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:59,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:59,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:00,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:24:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:00,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:24:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:00,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 19:24:00,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:00,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 19:24:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:00,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 19:24:00,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:00,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:24:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:00,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:24:00,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:00,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 19:24:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:00,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:24:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:00,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:24:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:00,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 19:24:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:00,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 19:24:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:00,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 19:24:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:00,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 19:24:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:00,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 19:24:00,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:00,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 19:24:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:00,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 19:24:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:00,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 19:24:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:00,086 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 3 proven. 282 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-10 19:24:00,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:24:00,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659500790] [2024-11-10 19:24:00,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659500790] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:24:00,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1438907724] [2024-11-10 19:24:00,087 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 19:24:00,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:00,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:24:00,089 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 19:24:00,096 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 19:24:00,161 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-10 19:24:00,162 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:24:00,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:24:00,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:24:00,284 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 99 proven. 1 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2024-11-10 19:24:00,285 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:24:00,465 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 47 proven. 1 refuted. 0 times theorem prover too weak. 625 trivial. 0 not checked. [2024-11-10 19:24:00,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1438907724] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:24:00,466 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:24:00,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 6, 6] total 43 [2024-11-10 19:24:00,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072361328] [2024-11-10 19:24:00,466 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:24:00,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-11-10 19:24:00,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:24:00,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-11-10 19:24:00,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=355, Invalid=1451, Unknown=0, NotChecked=0, Total=1806 [2024-11-10 19:24:00,467 INFO L87 Difference]: Start difference. First operand 2015 states and 2224 transitions. Second operand has 43 states, 43 states have (on average 3.441860465116279) internal successors, (148), 43 states have internal predecessors, (148), 18 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 18 states have call predecessors, (27), 18 states have call successors, (27) [2024-11-10 19:24:01,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:24:01,772 INFO L93 Difference]: Finished difference Result 2562 states and 2855 transitions. [2024-11-10 19:24:01,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-11-10 19:24:01,772 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 43 states have (on average 3.441860465116279) internal successors, (148), 43 states have internal predecessors, (148), 18 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 18 states have call predecessors, (27), 18 states have call successors, (27) Word has length 185 [2024-11-10 19:24:01,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:24:01,780 INFO L225 Difference]: With dead ends: 2562 [2024-11-10 19:24:01,780 INFO L226 Difference]: Without dead ends: 2130 [2024-11-10 19:24:01,783 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 481 GetRequests, 395 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1534 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1561, Invalid=6095, Unknown=0, NotChecked=0, Total=7656 [2024-11-10 19:24:01,783 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 451 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:24:01,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 450 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:24:01,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2130 states. [2024-11-10 19:24:01,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2130 to 1306. [2024-11-10 19:24:01,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1306 states, 1069 states have (on average 1.1131898971000935) internal successors, (1190), 1074 states have internal predecessors, (1190), 120 states have call successors, (120), 114 states have call predecessors, (120), 114 states have return successors, (120), 117 states have call predecessors, (120), 120 states have call successors, (120) [2024-11-10 19:24:01,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 1306 states and 1430 transitions. [2024-11-10 19:24:01,908 INFO L78 Accepts]: Start accepts. Automaton has 1306 states and 1430 transitions. Word has length 185 [2024-11-10 19:24:01,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:24:01,909 INFO L471 AbstractCegarLoop]: Abstraction has 1306 states and 1430 transitions. [2024-11-10 19:24:01,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 3.441860465116279) internal successors, (148), 43 states have internal predecessors, (148), 18 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 18 states have call predecessors, (27), 18 states have call successors, (27) [2024-11-10 19:24:01,909 INFO L276 IsEmpty]: Start isEmpty. Operand 1306 states and 1430 transitions. [2024-11-10 19:24:01,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2024-11-10 19:24:01,914 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:24:01,914 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 22, 22, 21, 21, 21, 21, 21, 20, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:24:01,930 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-10 19:24:02,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:02,119 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 19:24:02,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:24:02,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1511889729, now seen corresponding path program 1 times [2024-11-10 19:24:02,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:24:02,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801987281] [2024-11-10 19:24:02,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:02,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:24:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:02,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:24:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:02,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:24:02,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:02,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 19:24:02,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:02,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 19:24:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:02,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 19:24:02,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:02,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:24:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:02,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:24:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:02,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 19:24:02,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:02,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:24:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:02,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:24:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:02,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 19:24:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:02,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 19:24:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:02,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 19:24:02,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:02,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 19:24:02,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:02,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 19:24:02,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:02,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 19:24:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:02,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 19:24:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:02,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 19:24:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:02,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 19:24:02,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:02,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 19:24:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:02,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 19:24:02,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:02,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 19:24:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:02,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-10 19:24:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:02,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-10 19:24:02,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:02,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-10 19:24:02,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:02,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-10 19:24:02,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:02,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-10 19:24:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:02,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-10 19:24:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:02,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-10 19:24:02,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:02,358 INFO L134 CoverageAnalysis]: Checked inductivity of 2771 backedges. 254 proven. 6 refuted. 0 times theorem prover too weak. 2511 trivial. 0 not checked. [2024-11-10 19:24:02,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:24:02,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801987281] [2024-11-10 19:24:02,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801987281] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:24:02,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2120808596] [2024-11-10 19:24:02,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:02,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:02,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:24:02,360 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 19:24:02,367 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 19:24:02,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:02,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-10 19:24:02,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:24:03,294 INFO L134 CoverageAnalysis]: Checked inductivity of 2771 backedges. 2629 proven. 16 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-11-10 19:24:03,294 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:24:04,042 INFO L134 CoverageAnalysis]: Checked inductivity of 2771 backedges. 1469 proven. 16 refuted. 0 times theorem prover too weak. 1286 trivial. 0 not checked. [2024-11-10 19:24:04,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2120808596] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:24:04,043 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:24:04,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 43, 44] total 49 [2024-11-10 19:24:04,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97695688] [2024-11-10 19:24:04,043 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:24:04,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-11-10 19:24:04,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:24:04,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-11-10 19:24:04,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=445, Invalid=1907, Unknown=0, NotChecked=0, Total=2352 [2024-11-10 19:24:04,046 INFO L87 Difference]: Start difference. First operand 1306 states and 1430 transitions. Second operand has 49 states, 49 states have (on average 4.938775510204081) internal successors, (242), 49 states have internal predecessors, (242), 25 states have call successors, (59), 23 states have call predecessors, (59), 23 states have return successors, (59), 25 states have call predecessors, (59), 25 states have call successors, (59) [2024-11-10 19:24:06,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:24:06,805 INFO L93 Difference]: Finished difference Result 2029 states and 2245 transitions. [2024-11-10 19:24:06,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-11-10 19:24:06,806 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 4.938775510204081) internal successors, (242), 49 states have internal predecessors, (242), 25 states have call successors, (59), 23 states have call predecessors, (59), 23 states have return successors, (59), 25 states have call predecessors, (59), 25 states have call successors, (59) Word has length 301 [2024-11-10 19:24:06,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:24:06,809 INFO L225 Difference]: With dead ends: 2029 [2024-11-10 19:24:06,809 INFO L226 Difference]: Without dead ends: 495 [2024-11-10 19:24:06,812 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 774 GetRequests, 577 SyntacticMatches, 41 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8866 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=4795, Invalid=20011, Unknown=0, NotChecked=0, Total=24806 [2024-11-10 19:24:06,812 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 305 mSDsluCounter, 1347 mSDsCounter, 0 mSdLazyCounter, 2479 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 1498 SdHoareTripleChecker+Invalid, 2500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 2479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:24:06,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 1498 Invalid, 2500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 2479 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-10 19:24:06,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2024-11-10 19:24:06,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 474. [2024-11-10 19:24:06,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 387 states have (on average 1.069767441860465) internal successors, (414), 388 states have internal predecessors, (414), 44 states have call successors, (44), 41 states have call predecessors, (44), 41 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-10 19:24:06,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 502 transitions. [2024-11-10 19:24:06,845 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 502 transitions. Word has length 301 [2024-11-10 19:24:06,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:24:06,847 INFO L471 AbstractCegarLoop]: Abstraction has 474 states and 502 transitions. [2024-11-10 19:24:06,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 4.938775510204081) internal successors, (242), 49 states have internal predecessors, (242), 25 states have call successors, (59), 23 states have call predecessors, (59), 23 states have return successors, (59), 25 states have call predecessors, (59), 25 states have call successors, (59) [2024-11-10 19:24:06,848 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 502 transitions. [2024-11-10 19:24:06,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2024-11-10 19:24:06,850 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:24:06,850 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 31, 31, 31, 31, 30, 30, 30, 30, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:24:06,868 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-10 19:24:07,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:07,051 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 19:24:07,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:24:07,051 INFO L85 PathProgramCache]: Analyzing trace with hash 849343066, now seen corresponding path program 2 times [2024-11-10 19:24:07,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:24:07,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336585497] [2024-11-10 19:24:07,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:07,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:24:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:07,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:24:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:07,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:24:07,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:07,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 19:24:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:07,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 19:24:07,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:07,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 19:24:07,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:07,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:24:07,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:07,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:24:07,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:07,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 19:24:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:07,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:24:07,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:07,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:24:07,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:07,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 19:24:07,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:07,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 19:24:07,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:07,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 19:24:07,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:07,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 19:24:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:07,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 19:24:07,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:07,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 19:24:07,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:07,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 19:24:07,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:07,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 19:24:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:07,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 19:24:07,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:07,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 19:24:07,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:07,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 19:24:07,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:07,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 19:24:07,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:07,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-10 19:24:07,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:07,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-10 19:24:07,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:07,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-10 19:24:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:07,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-10 19:24:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:07,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-10 19:24:07,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:07,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-10 19:24:07,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:07,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-10 19:24:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:07,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-11-10 19:24:07,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:07,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-11-10 19:24:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:07,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-11-10 19:24:07,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:07,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2024-11-10 19:24:07,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:07,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2024-11-10 19:24:07,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:07,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2024-11-10 19:24:07,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:07,342 INFO L134 CoverageAnalysis]: Checked inductivity of 5079 backedges. 236 proven. 1 refuted. 0 times theorem prover too weak. 4842 trivial. 0 not checked. [2024-11-10 19:24:07,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:24:07,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336585497] [2024-11-10 19:24:07,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336585497] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:24:07,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [383586702] [2024-11-10 19:24:07,343 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:24:07,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:07,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:24:07,344 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 19:24:07,346 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 19:24:07,485 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:24:07,486 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:24:07,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 740 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-10 19:24:07,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:24:08,309 INFO L134 CoverageAnalysis]: Checked inductivity of 5079 backedges. 4431 proven. 19 refuted. 0 times theorem prover too weak. 629 trivial. 0 not checked. [2024-11-10 19:24:08,309 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:24:09,078 INFO L134 CoverageAnalysis]: Checked inductivity of 5079 backedges. 2791 proven. 19 refuted. 0 times theorem prover too weak. 2269 trivial. 0 not checked. [2024-11-10 19:24:09,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [383586702] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:24:09,079 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:24:09,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 43, 44] total 49 [2024-11-10 19:24:09,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567751854] [2024-11-10 19:24:09,079 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:24:09,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-11-10 19:24:09,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:24:09,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-11-10 19:24:09,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=1856, Unknown=0, NotChecked=0, Total=2352 [2024-11-10 19:24:09,081 INFO L87 Difference]: Start difference. First operand 474 states and 502 transitions. Second operand has 49 states, 49 states have (on average 4.816326530612245) internal successors, (236), 49 states have internal predecessors, (236), 24 states have call successors, (57), 23 states have call predecessors, (57), 23 states have return successors, (57), 24 states have call predecessors, (57), 24 states have call successors, (57) [2024-11-10 19:24:10,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:24:10,977 INFO L93 Difference]: Finished difference Result 790 states and 848 transitions. [2024-11-10 19:24:10,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-11-10 19:24:10,978 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 4.816326530612245) internal successors, (236), 49 states have internal predecessors, (236), 24 states have call successors, (57), 23 states have call predecessors, (57), 23 states have return successors, (57), 24 states have call predecessors, (57), 24 states have call successors, (57) Word has length 372 [2024-11-10 19:24:10,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:24:10,981 INFO L225 Difference]: With dead ends: 790 [2024-11-10 19:24:10,981 INFO L226 Difference]: Without dead ends: 519 [2024-11-10 19:24:10,982 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 888 GetRequests, 730 SyntacticMatches, 41 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4622 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=3114, Invalid=10928, Unknown=0, NotChecked=0, Total=14042 [2024-11-10 19:24:10,983 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 176 mSDsluCounter, 1418 mSDsCounter, 0 mSdLazyCounter, 1351 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 1557 SdHoareTripleChecker+Invalid, 1374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 19:24:10,984 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 1557 Invalid, 1374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1351 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 19:24:10,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2024-11-10 19:24:11,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 506. [2024-11-10 19:24:11,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 414 states have (on average 1.065217391304348) internal successors, (441), 414 states have internal predecessors, (441), 47 states have call successors, (47), 44 states have call predecessors, (47), 44 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-10 19:24:11,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 535 transitions. [2024-11-10 19:24:11,015 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 535 transitions. Word has length 372 [2024-11-10 19:24:11,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:24:11,016 INFO L471 AbstractCegarLoop]: Abstraction has 506 states and 535 transitions. [2024-11-10 19:24:11,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 4.816326530612245) internal successors, (236), 49 states have internal predecessors, (236), 24 states have call successors, (57), 23 states have call predecessors, (57), 23 states have return successors, (57), 24 states have call predecessors, (57), 24 states have call successors, (57) [2024-11-10 19:24:11,017 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 535 transitions. [2024-11-10 19:24:11,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2024-11-10 19:24:11,019 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:24:11,020 INFO L215 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 39, 39, 39, 37, 37, 37, 37, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:24:11,040 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 19:24:11,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:11,221 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 19:24:11,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:24:11,221 INFO L85 PathProgramCache]: Analyzing trace with hash 962324113, now seen corresponding path program 1 times [2024-11-10 19:24:11,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:24:11,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398176941] [2024-11-10 19:24:11,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:11,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:24:11,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:24:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:24:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 19:24:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 19:24:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 19:24:12,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:24:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:24:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 19:24:12,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:24:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:24:12,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 19:24:12,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 19:24:12,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 19:24:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 19:24:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 19:24:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 19:24:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 19:24:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 19:24:12,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 19:24:12,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 19:24:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 19:24:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 19:24:12,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-10 19:24:12,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-10 19:24:12,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-10 19:24:12,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-10 19:24:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-10 19:24:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-11-10 19:24:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-11-10 19:24:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-10 19:24:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-11-10 19:24:12,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-11-10 19:24:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-11-10 19:24:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-10 19:24:12,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-10 19:24:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2024-11-10 19:24:12,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2024-11-10 19:24:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2024-11-10 19:24:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2024-11-10 19:24:12,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2024-11-10 19:24:12,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2024-11-10 19:24:12,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2024-11-10 19:24:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2024-11-10 19:24:12,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,557 INFO L134 CoverageAnalysis]: Checked inductivity of 8043 backedges. 2580 proven. 1037 refuted. 0 times theorem prover too weak. 4426 trivial. 0 not checked. [2024-11-10 19:24:12,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:24:12,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398176941] [2024-11-10 19:24:12,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398176941] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:24:12,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028261203] [2024-11-10 19:24:12,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:12,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:12,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:24:12,560 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:24:12,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-10 19:24:12,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:12,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 925 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-10 19:24:12,721 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:24:13,000 INFO L134 CoverageAnalysis]: Checked inductivity of 8043 backedges. 4092 proven. 1649 refuted. 0 times theorem prover too weak. 2302 trivial. 0 not checked. [2024-11-10 19:24:13,000 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:24:13,651 INFO L134 CoverageAnalysis]: Checked inductivity of 8043 backedges. 2580 proven. 1037 refuted. 0 times theorem prover too weak. 4426 trivial. 0 not checked. [2024-11-10 19:24:13,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1028261203] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:24:13,652 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:24:13,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 39, 40] total 46 [2024-11-10 19:24:13,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921562295] [2024-11-10 19:24:13,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:24:13,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-11-10 19:24:13,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:24:13,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-11-10 19:24:13,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=495, Invalid=1575, Unknown=0, NotChecked=0, Total=2070 [2024-11-10 19:24:13,655 INFO L87 Difference]: Start difference. First operand 506 states and 535 transitions. Second operand has 46 states, 46 states have (on average 4.913043478260869) internal successors, (226), 46 states have internal predecessors, (226), 22 states have call successors, (54), 21 states have call predecessors, (54), 21 states have return successors, (54), 22 states have call predecessors, (54), 22 states have call successors, (54) [2024-11-10 19:24:14,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:24:14,842 INFO L93 Difference]: Finished difference Result 776 states and 829 transitions. [2024-11-10 19:24:14,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-11-10 19:24:14,843 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 46 states have (on average 4.913043478260869) internal successors, (226), 46 states have internal predecessors, (226), 22 states have call successors, (54), 21 states have call predecessors, (54), 21 states have return successors, (54), 22 states have call predecessors, (54), 22 states have call successors, (54) Word has length 475 [2024-11-10 19:24:14,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:24:14,845 INFO L225 Difference]: With dead ends: 776 [2024-11-10 19:24:14,845 INFO L226 Difference]: Without dead ends: 506 [2024-11-10 19:24:14,847 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1112 GetRequests, 995 SyntacticMatches, 35 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2389 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=2002, Invalid=4970, Unknown=0, NotChecked=0, Total=6972 [2024-11-10 19:24:14,847 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 180 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:24:14,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 381 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:24:14,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2024-11-10 19:24:14,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 506. [2024-11-10 19:24:14,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 414 states have (on average 1.0603864734299517) internal successors, (439), 414 states have internal predecessors, (439), 47 states have call successors, (47), 44 states have call predecessors, (47), 44 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-10 19:24:14,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 533 transitions. [2024-11-10 19:24:14,877 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 533 transitions. Word has length 475 [2024-11-10 19:24:14,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:24:14,879 INFO L471 AbstractCegarLoop]: Abstraction has 506 states and 533 transitions. [2024-11-10 19:24:14,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 4.913043478260869) internal successors, (226), 46 states have internal predecessors, (226), 22 states have call successors, (54), 21 states have call predecessors, (54), 21 states have return successors, (54), 22 states have call predecessors, (54), 22 states have call successors, (54) [2024-11-10 19:24:14,880 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 533 transitions. [2024-11-10 19:24:14,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 498 [2024-11-10 19:24:14,882 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:24:14,882 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 41, 41, 41, 41, 39, 39, 39, 39, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:24:14,902 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-10 19:24:15,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-10 19:24:15,087 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 19:24:15,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:24:15,087 INFO L85 PathProgramCache]: Analyzing trace with hash -799601647, now seen corresponding path program 2 times [2024-11-10 19:24:15,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:24:15,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574346494] [2024-11-10 19:24:15,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:15,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:24:15,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:24:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:24:15,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 19:24:15,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 19:24:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 19:24:15,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:24:15,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:24:15,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 19:24:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:24:15,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:24:15,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 19:24:15,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 19:24:15,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 19:24:15,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 19:24:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 19:24:15,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 19:24:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 19:24:15,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 19:24:15,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 19:24:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 19:24:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 19:24:15,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 19:24:15,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-10 19:24:15,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-10 19:24:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-10 19:24:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-10 19:24:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-10 19:24:15,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-11-10 19:24:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-11-10 19:24:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-10 19:24:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-11-10 19:24:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-11-10 19:24:15,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-11-10 19:24:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-10 19:24:15,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-11-10 19:24:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2024-11-10 19:24:15,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2024-11-10 19:24:15,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2024-11-10 19:24:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2024-11-10 19:24:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2024-11-10 19:24:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2024-11-10 19:24:15,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2024-11-10 19:24:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2024-11-10 19:24:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2024-11-10 19:24:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2024-11-10 19:24:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,507 INFO L134 CoverageAnalysis]: Checked inductivity of 8904 backedges. 325 proven. 1 refuted. 0 times theorem prover too weak. 8578 trivial. 0 not checked. [2024-11-10 19:24:15,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:24:15,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574346494] [2024-11-10 19:24:15,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574346494] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:24:15,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476685396] [2024-11-10 19:24:15,508 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:24:15,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:15,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:24:15,510 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:24:15,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-10 19:24:15,687 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:24:15,688 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:24:15,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:24:15,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:24:15,772 INFO L134 CoverageAnalysis]: Checked inductivity of 8904 backedges. 4577 proven. 0 refuted. 0 times theorem prover too weak. 4327 trivial. 0 not checked. [2024-11-10 19:24:15,773 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:24:15,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476685396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:24:15,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:24:15,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 14 [2024-11-10 19:24:15,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141314891] [2024-11-10 19:24:15,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:24:15,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:24:15,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:24:15,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:24:15,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:24:15,775 INFO L87 Difference]: Start difference. First operand 506 states and 533 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:24:15,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:24:15,845 INFO L93 Difference]: Finished difference Result 516 states and 544 transitions. [2024-11-10 19:24:15,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:24:15,845 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 497 [2024-11-10 19:24:15,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:24:15,846 INFO L225 Difference]: With dead ends: 516 [2024-11-10 19:24:15,846 INFO L226 Difference]: Without dead ends: 0 [2024-11-10 19:24:15,847 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 597 GetRequests, 582 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:24:15,847 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 10 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:24:15,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 140 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:24:15,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-10 19:24:15,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-10 19:24:15,848 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 19:24:15,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-10 19:24:15,849 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 497 [2024-11-10 19:24:15,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:24:15,849 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 19:24:15,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:24:15,850 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-10 19:24:15,850 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-10 19:24:15,852 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-11-10 19:24:15,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-11-10 19:24:15,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-11-10 19:24:15,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-11-10 19:24:15,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-11-10 19:24:15,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-11-10 19:24:15,866 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-10 19:24:16,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-10 19:24:16,057 INFO L407 BasicCegarLoop]: Path program histogram: [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:24:16,059 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.