./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 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/mannadiv_unwindbound50.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7aff0c23635f1e1acd85672a1024d6cb6d0af57cad0028c56f5d301198b4eae6 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 19:23:53,571 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 19:23:53,693 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 19:23:53,696 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 19:23:53,697 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 19:23:53,728 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 19:23:53,729 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 19:23:53,729 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 19:23:53,730 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 19:23:53,731 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 19:23:53,731 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 19:23:53,731 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 19:23:53,732 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 19:23:53,734 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 19:23:53,735 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 19:23:53,735 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 19:23:53,735 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 19:23:53,736 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 19:23:53,736 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 19:23:53,736 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 19:23:53,736 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 19:23:53,740 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 19:23:53,741 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 19:23:53,741 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 19:23:53,741 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 19:23:53,741 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 19:23:53,741 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 19:23:53,742 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 19:23:53,742 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 19:23:53,742 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 19:23:53,742 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 19:23:53,743 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 19:23:53,743 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 19:23:53,743 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 19:23:53,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:23:53,743 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 19:23:53,744 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 19:23:53,744 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 19:23:53,744 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 19:23:53,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 19:23:53,745 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 19:23:53,745 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 19:23:53,745 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 19:23:53,745 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 19:23:53,746 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7aff0c23635f1e1acd85672a1024d6cb6d0af57cad0028c56f5d301198b4eae6 [2024-11-10 19:23:54,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 19:23:54,051 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 19:23:54,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 19:23:54,055 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 19:23:54,056 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 19:23:54,058 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound50.c [2024-11-10 19:23:55,636 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 19:23:55,822 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 19:23:55,823 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound50.c [2024-11-10 19:23:55,831 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8ae78137/d4f1ffc378f5470689221253c53d49ac/FLAGf82a9469d [2024-11-10 19:23:55,847 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8ae78137/d4f1ffc378f5470689221253c53d49ac [2024-11-10 19:23:55,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 19:23:55,851 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 19:23:55,852 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 19:23:55,852 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 19:23:55,857 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 19:23:55,858 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:23:55" (1/1) ... [2024-11-10 19:23:55,858 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41bd8458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:55, skipping insertion in model container [2024-11-10 19:23:55,858 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:23:55" (1/1) ... [2024-11-10 19:23:55,876 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 19:23:56,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:23:56,111 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 19:23:56,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:23:56,164 INFO L204 MainTranslator]: Completed translation [2024-11-10 19:23:56,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:56 WrapperNode [2024-11-10 19:23:56,165 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 19:23:56,166 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 19:23:56,166 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 19:23:56,166 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 19:23:56,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:56" (1/1) ... [2024-11-10 19:23:56,179 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:56" (1/1) ... [2024-11-10 19:23:56,197 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2024-11-10 19:23:56,197 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 19:23:56,198 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 19:23:56,198 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 19:23:56,198 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 19:23:56,207 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:56" (1/1) ... [2024-11-10 19:23:56,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:56" (1/1) ... [2024-11-10 19:23:56,209 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:56" (1/1) ... [2024-11-10 19:23:56,221 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 19:23:56,222 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:56" (1/1) ... [2024-11-10 19:23:56,222 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:56" (1/1) ... [2024-11-10 19:23:56,225 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:56" (1/1) ... [2024-11-10 19:23:56,225 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:56" (1/1) ... [2024-11-10 19:23:56,227 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:56" (1/1) ... [2024-11-10 19:23:56,227 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:56" (1/1) ... [2024-11-10 19:23:56,229 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 19:23:56,230 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 19:23:56,230 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 19:23:56,230 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 19:23:56,233 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:56" (1/1) ... [2024-11-10 19:23:56,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:23:56,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:23:56,269 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 19:23:56,278 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 19:23:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 19:23:56,329 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 19:23:56,329 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 19:23:56,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 19:23:56,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 19:23:56,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 19:23:56,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 19:23:56,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 19:23:56,392 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 19:23:56,395 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 19:23:56,596 INFO L? ?]: Removed 47 outVars from TransFormulas that were not future-live. [2024-11-10 19:23:56,596 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 19:23:56,618 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 19:23:56,618 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 19:23:56,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:23:56 BoogieIcfgContainer [2024-11-10 19:23:56,618 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 19:23:56,623 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 19:23:56,623 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 19:23:56,628 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 19:23:56,629 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:23:55" (1/3) ... [2024-11-10 19:23:56,630 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1328de28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:23:56, skipping insertion in model container [2024-11-10 19:23:56,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:23:56" (2/3) ... [2024-11-10 19:23:56,632 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1328de28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:23:56, skipping insertion in model container [2024-11-10 19:23:56,632 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:23:56" (3/3) ... [2024-11-10 19:23:56,633 INFO L112 eAbstractionObserver]: Analyzing ICFG mannadiv_unwindbound50.c [2024-11-10 19:23:56,652 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 19:23:56,652 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-11-10 19:23:56,716 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 19:23:56,723 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;@1d334bff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 19:23:56,723 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-11-10 19:23:56,728 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 45 states have (on average 1.6222222222222222) internal successors, (73), 67 states have internal predecessors, (73), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:23:56,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-10 19:23:56,737 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:56,737 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:56,738 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:23:56,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:56,745 INFO L85 PathProgramCache]: Analyzing trace with hash -2146905663, now seen corresponding path program 1 times [2024-11-10 19:23:56,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:56,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759328989] [2024-11-10 19:23:56,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:56,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:56,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:56,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:56,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:56,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:56,921 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:23:56,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:56,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759328989] [2024-11-10 19:23:56,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759328989] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:23:56,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:23:56,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:23:56,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806863389] [2024-11-10 19:23:56,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:23:56,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 19:23:56,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:56,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 19:23:56,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:23:56,959 INFO L87 Difference]: Start difference. First operand has 74 states, 45 states have (on average 1.6222222222222222) internal successors, (73), 67 states have internal predecessors, (73), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:23:56,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:56,984 INFO L93 Difference]: Finished difference Result 144 states and 161 transitions. [2024-11-10 19:23:56,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 19:23:56,986 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2024-11-10 19:23:56,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:56,992 INFO L225 Difference]: With dead ends: 144 [2024-11-10 19:23:56,992 INFO L226 Difference]: Without dead ends: 67 [2024-11-10 19:23:56,995 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:23:56,998 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:56,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:23:57,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-10 19:23:57,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-11-10 19:23:57,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 40 states have (on average 1.6) internal successors, (64), 61 states have internal predecessors, (64), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:23:57,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 70 transitions. [2024-11-10 19:23:57,036 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 70 transitions. Word has length 15 [2024-11-10 19:23:57,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:57,037 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 70 transitions. [2024-11-10 19:23:57,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:23:57,037 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 70 transitions. [2024-11-10 19:23:57,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-10 19:23:57,038 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:57,039 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:57,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 19:23:57,039 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:23:57,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:57,040 INFO L85 PathProgramCache]: Analyzing trace with hash 379739425, now seen corresponding path program 1 times [2024-11-10 19:23:57,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:57,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001729817] [2024-11-10 19:23:57,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:57,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:57,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:57,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:57,257 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:23:57,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:57,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001729817] [2024-11-10 19:23:57,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001729817] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:23:57,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:23:57,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:23:57,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122195931] [2024-11-10 19:23:57,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:23:57,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:23:57,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:57,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:23:57,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:23:57,261 INFO L87 Difference]: Start difference. First operand 67 states and 70 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:23:57,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:57,332 INFO L93 Difference]: Finished difference Result 82 states and 85 transitions. [2024-11-10 19:23:57,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:23:57,332 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-11-10 19:23:57,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:57,334 INFO L225 Difference]: With dead ends: 82 [2024-11-10 19:23:57,334 INFO L226 Difference]: Without dead ends: 72 [2024-11-10 19:23:57,335 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:23:57,336 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 11 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:57,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 183 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:23:57,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-10 19:23:57,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-10 19:23:57,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 45 states have (on average 1.5333333333333334) internal successors, (69), 66 states have internal predecessors, (69), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:23:57,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 75 transitions. [2024-11-10 19:23:57,350 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 75 transitions. Word has length 15 [2024-11-10 19:23:57,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:57,351 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 75 transitions. [2024-11-10 19:23:57,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:23:57,352 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 75 transitions. [2024-11-10 19:23:57,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-10 19:23:57,355 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:57,355 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:57,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 19:23:57,356 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:23:57,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:57,357 INFO L85 PathProgramCache]: Analyzing trace with hash 369694493, now seen corresponding path program 1 times [2024-11-10 19:23:57,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:57,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681105091] [2024-11-10 19:23:57,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:57,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:57,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:23:57,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [633550982] [2024-11-10 19:23:57,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:57,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:57,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:23:57,398 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 19:23:57,400 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 19:23:57,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:57,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:23:57,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:23:57,548 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:23:57,548 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:23:57,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:57,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681105091] [2024-11-10 19:23:57,549 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:23:57,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [633550982] [2024-11-10 19:23:57,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [633550982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:23:57,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:23:57,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:23:57,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320350984] [2024-11-10 19:23:57,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:23:57,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:23:57,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:57,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:23:57,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:23:57,554 INFO L87 Difference]: Start difference. First operand 72 states and 75 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:23:57,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:57,714 INFO L93 Difference]: Finished difference Result 115 states and 127 transitions. [2024-11-10 19:23:57,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:23:57,714 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2024-11-10 19:23:57,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:57,716 INFO L225 Difference]: With dead ends: 115 [2024-11-10 19:23:57,716 INFO L226 Difference]: Without dead ends: 109 [2024-11-10 19:23:57,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:23:57,718 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 32 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:57,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 99 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:23:57,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-10 19:23:57,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 98. [2024-11-10 19:23:57,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 70 states have (on average 1.5571428571428572) internal successors, (109), 91 states have internal predecessors, (109), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:23:57,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 117 transitions. [2024-11-10 19:23:57,732 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 117 transitions. Word has length 19 [2024-11-10 19:23:57,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:57,733 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 117 transitions. [2024-11-10 19:23:57,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:23:57,733 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 117 transitions. [2024-11-10 19:23:57,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-10 19:23:57,734 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:57,734 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:57,756 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 19:23:57,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:57,940 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:23:57,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:57,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1205877189, now seen corresponding path program 1 times [2024-11-10 19:23:57,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:57,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323007643] [2024-11-10 19:23:57,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:57,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:57,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:58,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:58,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:58,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:58,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:58,067 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:23:58,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:58,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323007643] [2024-11-10 19:23:58,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323007643] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:23:58,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:23:58,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:23:58,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440570590] [2024-11-10 19:23:58,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:23:58,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:23:58,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:58,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:23:58,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:23:58,074 INFO L87 Difference]: Start difference. First operand 98 states and 117 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:23:58,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:58,220 INFO L93 Difference]: Finished difference Result 151 states and 188 transitions. [2024-11-10 19:23:58,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:23:58,221 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2024-11-10 19:23:58,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:58,223 INFO L225 Difference]: With dead ends: 151 [2024-11-10 19:23:58,223 INFO L226 Difference]: Without dead ends: 144 [2024-11-10 19:23:58,224 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:23:58,225 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 46 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:58,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 101 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:23:58,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-10 19:23:58,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 135. [2024-11-10 19:23:58,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 105 states have (on average 1.5333333333333334) internal successors, (161), 126 states have internal predecessors, (161), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 19:23:58,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 173 transitions. [2024-11-10 19:23:58,241 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 173 transitions. Word has length 21 [2024-11-10 19:23:58,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:58,241 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 173 transitions. [2024-11-10 19:23:58,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:23:58,241 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 173 transitions. [2024-11-10 19:23:58,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-10 19:23:58,242 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:58,242 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:58,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 19:23:58,243 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:23:58,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:58,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1272512820, now seen corresponding path program 1 times [2024-11-10 19:23:58,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:58,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397832223] [2024-11-10 19:23:58,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:58,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:58,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:58,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:58,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:58,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:58,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:58,341 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:23:58,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:58,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397832223] [2024-11-10 19:23:58,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397832223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:23:58,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:23:58,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:23:58,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269292396] [2024-11-10 19:23:58,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:23:58,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:23:58,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:58,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:23:58,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:23:58,344 INFO L87 Difference]: Start difference. First operand 135 states and 173 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:23:58,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:58,535 INFO L93 Difference]: Finished difference Result 148 states and 178 transitions. [2024-11-10 19:23:58,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:23:58,535 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2024-11-10 19:23:58,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:58,536 INFO L225 Difference]: With dead ends: 148 [2024-11-10 19:23:58,536 INFO L226 Difference]: Without dead ends: 139 [2024-11-10 19:23:58,539 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:23:58,541 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 46 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:58,542 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 105 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:23:58,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-10 19:23:58,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 131. [2024-11-10 19:23:58,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 101 states have (on average 1.504950495049505) internal successors, (152), 122 states have internal predecessors, (152), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 19:23:58,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 164 transitions. [2024-11-10 19:23:58,561 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 164 transitions. Word has length 22 [2024-11-10 19:23:58,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:58,561 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 164 transitions. [2024-11-10 19:23:58,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:23:58,562 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 164 transitions. [2024-11-10 19:23:58,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-10 19:23:58,562 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:58,562 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:58,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 19:23:58,562 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:23:58,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:58,563 INFO L85 PathProgramCache]: Analyzing trace with hash 793191769, now seen corresponding path program 1 times [2024-11-10 19:23:58,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:58,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280001972] [2024-11-10 19:23:58,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:58,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:58,579 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 2 [2024-11-10 19:23:58,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:58,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:23:58,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:58,787 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:23:58,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:58,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280001972] [2024-11-10 19:23:58,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280001972] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:23:58,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889410023] [2024-11-10 19:23:58,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:58,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:58,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:23:58,793 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 19:23:58,797 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 19:23:58,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:58,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:23:58,844 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:23:58,998 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:23:58,998 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:23:58,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889410023] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:23:58,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:23:58,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-10 19:23:58,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349372343] [2024-11-10 19:23:58,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:23:59,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:23:59,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:59,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:23:59,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:23:59,002 INFO L87 Difference]: Start difference. First operand 131 states and 164 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:23:59,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:59,165 INFO L93 Difference]: Finished difference Result 136 states and 170 transitions. [2024-11-10 19:23:59,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:23:59,165 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2024-11-10 19:23:59,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:59,167 INFO L225 Difference]: With dead ends: 136 [2024-11-10 19:23:59,167 INFO L226 Difference]: Without dead ends: 135 [2024-11-10 19:23:59,167 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:23:59,168 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 91 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:59,168 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 80 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:23:59,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-10 19:23:59,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 131. [2024-11-10 19:23:59,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 101 states have (on average 1.495049504950495) internal successors, (151), 122 states have internal predecessors, (151), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 19:23:59,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 163 transitions. [2024-11-10 19:23:59,179 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 163 transitions. Word has length 23 [2024-11-10 19:23:59,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:59,179 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 163 transitions. [2024-11-10 19:23:59,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:23:59,179 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 163 transitions. [2024-11-10 19:23:59,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-10 19:23:59,180 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:59,180 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:59,196 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 19:23:59,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-10 19:23:59,381 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:23:59,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:59,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1180858926, now seen corresponding path program 1 times [2024-11-10 19:23:59,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:59,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955063931] [2024-11-10 19:23:59,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:59,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:59,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:23:59,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2063528728] [2024-11-10 19:23:59,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:59,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:59,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:23:59,394 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 19:23:59,397 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 19:23:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:59,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:23:59,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:23:59,546 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:23:59,546 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:23:59,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:59,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955063931] [2024-11-10 19:23:59,547 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:23:59,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063528728] [2024-11-10 19:23:59,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2063528728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:23:59,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:23:59,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:23:59,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683493234] [2024-11-10 19:23:59,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:23:59,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:23:59,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:59,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:23:59,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:23:59,549 INFO L87 Difference]: Start difference. First operand 131 states and 163 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:23:59,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:59,680 INFO L93 Difference]: Finished difference Result 133 states and 164 transitions. [2024-11-10 19:23:59,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:23:59,681 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2024-11-10 19:23:59,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:59,682 INFO L225 Difference]: With dead ends: 133 [2024-11-10 19:23:59,682 INFO L226 Difference]: Without dead ends: 132 [2024-11-10 19:23:59,683 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:23:59,683 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 82 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:59,684 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 86 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:23:59,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-10 19:23:59,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 131. [2024-11-10 19:23:59,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 101 states have (on average 1.4851485148514851) internal successors, (150), 122 states have internal predecessors, (150), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 19:23:59,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 162 transitions. [2024-11-10 19:23:59,704 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 162 transitions. Word has length 24 [2024-11-10 19:23:59,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:59,705 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 162 transitions. [2024-11-10 19:23:59,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:23:59,705 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 162 transitions. [2024-11-10 19:23:59,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-10 19:23:59,706 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:59,706 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:59,720 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-10 19:23:59,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:59,907 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:23:59,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:59,907 INFO L85 PathProgramCache]: Analyzing trace with hash -2126440454, now seen corresponding path program 1 times [2024-11-10 19:23:59,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:59,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650817711] [2024-11-10 19:23:59,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:59,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:59,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:23:59,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:00,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:24:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:00,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:24:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:00,027 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:24:00,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:24:00,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650817711] [2024-11-10 19:24:00,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650817711] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:24:00,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [488786675] [2024-11-10 19:24:00,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:00,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:00,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:24:00,031 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 19:24:00,035 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 19:24:00,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:00,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:24:00,084 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:24:00,137 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:24:00,138 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:24:00,248 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:24:00,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [488786675] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:24:00,249 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:24:00,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-10 19:24:00,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234585148] [2024-11-10 19:24:00,252 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:24:00,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:24:00,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:24:00,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:24:00,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:24:00,254 INFO L87 Difference]: Start difference. First operand 131 states and 162 transitions. Second operand has 9 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-10 19:24:00,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:24:00,354 INFO L93 Difference]: Finished difference Result 211 states and 258 transitions. [2024-11-10 19:24:00,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:24:00,355 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 37 [2024-11-10 19:24:00,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:24:00,356 INFO L225 Difference]: With dead ends: 211 [2024-11-10 19:24:00,356 INFO L226 Difference]: Without dead ends: 209 [2024-11-10 19:24:00,357 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:24:00,357 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 177 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:24:00,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 255 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:24:00,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-10 19:24:00,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 187. [2024-11-10 19:24:00,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 155 states have (on average 1.4774193548387098) internal successors, (229), 176 states have internal predecessors, (229), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:24:00,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 245 transitions. [2024-11-10 19:24:00,368 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 245 transitions. Word has length 37 [2024-11-10 19:24:00,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:24:00,368 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 245 transitions. [2024-11-10 19:24:00,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-10 19:24:00,369 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 245 transitions. [2024-11-10 19:24:00,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-10 19:24:00,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:24:00,369 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:24:00,386 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 19:24:00,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:00,574 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:24:00,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:24:00,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1495144651, now seen corresponding path program 1 times [2024-11-10 19:24:00,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:24:00,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345096632] [2024-11-10 19:24:00,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:00,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:24:00,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:00,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:24:00,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:00,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:24:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:00,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:24:00,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:00,637 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:24:00,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:24:00,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345096632] [2024-11-10 19:24:00,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345096632] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:24:00,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:24:00,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:24:00,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167640419] [2024-11-10 19:24:00,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:24:00,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:24:00,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:24:00,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:24:00,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:24:00,640 INFO L87 Difference]: Start difference. First operand 187 states and 245 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:24:00,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:24:00,678 INFO L93 Difference]: Finished difference Result 197 states and 254 transitions. [2024-11-10 19:24:00,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:24:00,679 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2024-11-10 19:24:00,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:24:00,680 INFO L225 Difference]: With dead ends: 197 [2024-11-10 19:24:00,680 INFO L226 Difference]: Without dead ends: 195 [2024-11-10 19:24:00,680 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:24:00,681 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 88 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:24:00,681 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 82 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:24:00,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-10 19:24:00,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 185. [2024-11-10 19:24:00,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 155 states have (on average 1.4451612903225806) internal successors, (224), 174 states have internal predecessors, (224), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:24:00,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 240 transitions. [2024-11-10 19:24:00,695 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 240 transitions. Word has length 38 [2024-11-10 19:24:00,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:24:00,696 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 240 transitions. [2024-11-10 19:24:00,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:24:00,696 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 240 transitions. [2024-11-10 19:24:00,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-10 19:24:00,697 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:24:00,697 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:24:00,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 19:24:00,699 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:24:00,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:24:00,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1251512535, now seen corresponding path program 1 times [2024-11-10 19:24:00,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:24:00,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316842459] [2024-11-10 19:24:00,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:00,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:24:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:00,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:24:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:00,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:24:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:00,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:24:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:00,812 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:24:00,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:24:00,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316842459] [2024-11-10 19:24:00,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316842459] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:24:00,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1761949972] [2024-11-10 19:24:00,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:00,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:00,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:24:00,815 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 19:24:00,816 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 19:24:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:00,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:24:00,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:24:00,932 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:24:00,932 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:24:00,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1761949972] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:24:00,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:24:00,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-10 19:24:00,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686219495] [2024-11-10 19:24:00,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:24:00,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:24:00,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:24:00,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:24:00,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:24:00,934 INFO L87 Difference]: Start difference. First operand 185 states and 240 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:24:00,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:24:00,974 INFO L93 Difference]: Finished difference Result 185 states and 240 transitions. [2024-11-10 19:24:00,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:24:00,976 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 41 [2024-11-10 19:24:00,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:24:00,977 INFO L225 Difference]: With dead ends: 185 [2024-11-10 19:24:00,977 INFO L226 Difference]: Without dead ends: 184 [2024-11-10 19:24:00,978 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:24:00,978 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 46 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:24:00,979 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 178 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:24:00,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-10 19:24:00,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2024-11-10 19:24:00,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 155 states have (on average 1.4129032258064516) internal successors, (219), 173 states have internal predecessors, (219), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:24:00,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 235 transitions. [2024-11-10 19:24:00,992 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 235 transitions. Word has length 41 [2024-11-10 19:24:00,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:24:00,993 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 235 transitions. [2024-11-10 19:24:00,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:24:00,993 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 235 transitions. [2024-11-10 19:24:00,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-10 19:24:00,993 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:24:00,994 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:24:01,012 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 19:24:01,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-10 19:24:01,194 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:24:01,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:24:01,195 INFO L85 PathProgramCache]: Analyzing trace with hash 142182947, now seen corresponding path program 1 times [2024-11-10 19:24:01,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:24:01,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898165014] [2024-11-10 19:24:01,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:01,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:24:01,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:01,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:24:01,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:01,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:24:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:01,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:24:01,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:01,297 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:24:01,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:24:01,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898165014] [2024-11-10 19:24:01,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898165014] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:24:01,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [723067597] [2024-11-10 19:24:01,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:01,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:01,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:24:01,299 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 19:24:01,301 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 19:24:01,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:01,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:24:01,347 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:24:01,402 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:24:01,402 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:24:01,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [723067597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:24:01,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:24:01,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-10 19:24:01,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97968292] [2024-11-10 19:24:01,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:24:01,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:24:01,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:24:01,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:24:01,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:24:01,404 INFO L87 Difference]: Start difference. First operand 184 states and 235 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:24:01,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:24:01,453 INFO L93 Difference]: Finished difference Result 194 states and 244 transitions. [2024-11-10 19:24:01,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:24:01,454 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 42 [2024-11-10 19:24:01,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:24:01,455 INFO L225 Difference]: With dead ends: 194 [2024-11-10 19:24:01,455 INFO L226 Difference]: Without dead ends: 193 [2024-11-10 19:24:01,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:24:01,456 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 45 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:24:01,457 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 199 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:24:01,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-11-10 19:24:01,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 183. [2024-11-10 19:24:01,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 155 states have (on average 1.3806451612903226) internal successors, (214), 172 states have internal predecessors, (214), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:24:01,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 230 transitions. [2024-11-10 19:24:01,465 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 230 transitions. Word has length 42 [2024-11-10 19:24:01,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:24:01,466 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 230 transitions. [2024-11-10 19:24:01,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:24:01,466 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 230 transitions. [2024-11-10 19:24:01,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-10 19:24:01,467 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:24:01,467 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:24:01,484 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 19:24:01,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:01,668 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:24:01,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:24:01,669 INFO L85 PathProgramCache]: Analyzing trace with hash 934444939, now seen corresponding path program 1 times [2024-11-10 19:24:01,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:24:01,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043557367] [2024-11-10 19:24:01,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:01,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:24:01,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:01,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:24:01,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:01,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:24:01,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:01,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:24:01,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:01,753 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:24:01,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:24:01,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043557367] [2024-11-10 19:24:01,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043557367] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:24:01,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2037326385] [2024-11-10 19:24:01,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:01,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:01,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:24:01,756 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 19:24:01,757 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 19:24:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:01,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:24:01,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:24:01,882 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:24:01,883 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:24:01,961 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:24:01,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2037326385] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:24:01,961 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:24:01,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 13 [2024-11-10 19:24:01,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088442132] [2024-11-10 19:24:01,961 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:24:01,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 19:24:01,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:24:01,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 19:24:01,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:24:01,963 INFO L87 Difference]: Start difference. First operand 183 states and 230 transitions. Second operand has 13 states, 13 states have (on average 6.076923076923077) internal successors, (79), 13 states have internal predecessors, (79), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-10 19:24:02,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:24:02,087 INFO L93 Difference]: Finished difference Result 340 states and 397 transitions. [2024-11-10 19:24:02,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 19:24:02,087 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.076923076923077) internal successors, (79), 13 states have internal predecessors, (79), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 45 [2024-11-10 19:24:02,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:24:02,089 INFO L225 Difference]: With dead ends: 340 [2024-11-10 19:24:02,089 INFO L226 Difference]: Without dead ends: 328 [2024-11-10 19:24:02,089 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2024-11-10 19:24:02,090 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 158 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:24:02,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 417 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:24:02,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2024-11-10 19:24:02,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 286. [2024-11-10 19:24:02,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 252 states have (on average 1.3531746031746033) internal successors, (341), 269 states have internal predecessors, (341), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-10 19:24:02,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 363 transitions. [2024-11-10 19:24:02,118 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 363 transitions. Word has length 45 [2024-11-10 19:24:02,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:24:02,119 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 363 transitions. [2024-11-10 19:24:02,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.076923076923077) internal successors, (79), 13 states have internal predecessors, (79), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-10 19:24:02,119 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 363 transitions. [2024-11-10 19:24:02,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-10 19:24:02,119 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:24:02,120 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:24:02,136 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-10 19:24:02,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:02,321 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:24:02,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:24:02,321 INFO L85 PathProgramCache]: Analyzing trace with hash 934445011, now seen corresponding path program 1 times [2024-11-10 19:24:02,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:24:02,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867186462] [2024-11-10 19:24:02,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:02,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:24:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:24:02,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1052857643] [2024-11-10 19:24:02,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:02,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:02,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:24:02,337 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 19:24:02,340 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 19:24:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:02,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:24:02,383 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:24:02,560 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:24:02,560 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:24:02,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:24:02,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867186462] [2024-11-10 19:24:02,767 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:24:02,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1052857643] [2024-11-10 19:24:02,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1052857643] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:24:02,767 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:24:02,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-10 19:24:02,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781807749] [2024-11-10 19:24:02,768 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:24:02,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:24:02,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:24:02,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:24:02,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:24:02,769 INFO L87 Difference]: Start difference. First operand 286 states and 363 transitions. Second operand has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:24:02,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:24:02,903 INFO L93 Difference]: Finished difference Result 296 states and 369 transitions. [2024-11-10 19:24:02,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:24:02,904 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45 [2024-11-10 19:24:02,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:24:02,906 INFO L225 Difference]: With dead ends: 296 [2024-11-10 19:24:02,906 INFO L226 Difference]: Without dead ends: 289 [2024-11-10 19:24:02,907 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:24:02,907 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 74 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:24:02,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 88 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:24:02,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-11-10 19:24:02,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 282. [2024-11-10 19:24:02,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 253 states have (on average 1.2648221343873518) internal successors, (320), 265 states have internal predecessors, (320), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-10 19:24:02,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 342 transitions. [2024-11-10 19:24:02,921 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 342 transitions. Word has length 45 [2024-11-10 19:24:02,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:24:02,921 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 342 transitions. [2024-11-10 19:24:02,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:24:02,921 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 342 transitions. [2024-11-10 19:24:02,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-10 19:24:02,922 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:24:02,922 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:24:02,939 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 19:24:03,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-10 19:24:03,123 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:24:03,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:24:03,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1096975712, now seen corresponding path program 1 times [2024-11-10 19:24:03,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:24:03,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141516058] [2024-11-10 19:24:03,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:03,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:24:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:24:03,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [276928768] [2024-11-10 19:24:03,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:03,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:03,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:24:03,136 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 19:24:03,137 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 19:24:03,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:03,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:24:03,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:24:03,355 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:24:03,355 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:24:03,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:24:03,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141516058] [2024-11-10 19:24:03,757 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:24:03,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [276928768] [2024-11-10 19:24:03,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [276928768] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:24:03,758 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:24:03,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-10 19:24:03,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761305463] [2024-11-10 19:24:03,758 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:24:03,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:24:03,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:24:03,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:24:03,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:24:03,760 INFO L87 Difference]: Start difference. First operand 282 states and 342 transitions. Second operand has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:24:03,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:24:03,970 INFO L93 Difference]: Finished difference Result 387 states and 467 transitions. [2024-11-10 19:24:03,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:24:03,971 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 46 [2024-11-10 19:24:03,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:24:03,973 INFO L225 Difference]: With dead ends: 387 [2024-11-10 19:24:03,973 INFO L226 Difference]: Without dead ends: 382 [2024-11-10 19:24:03,973 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:24:03,974 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 80 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:24:03,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 164 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:24:03,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-11-10 19:24:03,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 361. [2024-11-10 19:24:03,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 329 states have (on average 1.2462006079027355) internal successors, (410), 341 states have internal predecessors, (410), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-10 19:24:03,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 438 transitions. [2024-11-10 19:24:03,994 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 438 transitions. Word has length 46 [2024-11-10 19:24:03,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:24:03,995 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 438 transitions. [2024-11-10 19:24:03,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:24:03,995 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 438 transitions. [2024-11-10 19:24:03,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-10 19:24:03,996 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:24:03,996 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:24:04,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-10 19:24:04,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-10 19:24:04,196 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:24:04,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:24:04,197 INFO L85 PathProgramCache]: Analyzing trace with hash 102733682, now seen corresponding path program 1 times [2024-11-10 19:24:04,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:24:04,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60693270] [2024-11-10 19:24:04,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:04,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:24:04,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:04,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:24:04,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:04,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:24:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:04,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:24:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:04,281 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:24:04,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:24:04,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60693270] [2024-11-10 19:24:04,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60693270] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:24:04,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511692975] [2024-11-10 19:24:04,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:04,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:04,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:24:04,283 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 19:24:04,287 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 19:24:04,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:04,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:24:04,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:24:04,446 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:24:04,446 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:24:04,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [511692975] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:24:04,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:24:04,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-10 19:24:04,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883507721] [2024-11-10 19:24:04,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:24:04,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:24:04,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:24:04,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:24:04,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:24:04,448 INFO L87 Difference]: Start difference. First operand 361 states and 438 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:24:04,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:24:04,548 INFO L93 Difference]: Finished difference Result 364 states and 441 transitions. [2024-11-10 19:24:04,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:24:04,548 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 47 [2024-11-10 19:24:04,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:24:04,550 INFO L225 Difference]: With dead ends: 364 [2024-11-10 19:24:04,550 INFO L226 Difference]: Without dead ends: 362 [2024-11-10 19:24:04,552 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:24:04,552 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 41 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:24:04,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 76 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:24:04,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-10 19:24:04,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 356. [2024-11-10 19:24:04,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 326 states have (on average 1.2361963190184049) internal successors, (403), 336 states have internal predecessors, (403), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-10 19:24:04,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 431 transitions. [2024-11-10 19:24:04,570 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 431 transitions. Word has length 47 [2024-11-10 19:24:04,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:24:04,571 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 431 transitions. [2024-11-10 19:24:04,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:24:04,572 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 431 transitions. [2024-11-10 19:24:04,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-10 19:24:04,572 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:24:04,572 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:24:04,585 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-10 19:24:04,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-10 19:24:04,773 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:24:04,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:24:04,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1110223139, now seen corresponding path program 1 times [2024-11-10 19:24:04,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:24:04,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894156614] [2024-11-10 19:24:04,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:04,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:24:04,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:04,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:24:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:04,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:24:04,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:04,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:24:04,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:04,943 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:24:04,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:24:04,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894156614] [2024-11-10 19:24:04,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894156614] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:24:04,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1085967412] [2024-11-10 19:24:04,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:04,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:04,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:24:04,945 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 19:24:04,947 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 19:24:04,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:04,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:24:04,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:24:05,097 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:24:05,098 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:24:05,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1085967412] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:24:05,282 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:24:05,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 3] total 11 [2024-11-10 19:24:05,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838184713] [2024-11-10 19:24:05,283 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:24:05,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:24:05,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:24:05,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:24:05,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:24:05,287 INFO L87 Difference]: Start difference. First operand 356 states and 431 transitions. Second operand has 12 states, 11 states have (on average 6.636363636363637) internal successors, (73), 11 states have internal predecessors, (73), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-10 19:24:05,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:24:05,794 INFO L93 Difference]: Finished difference Result 379 states and 446 transitions. [2024-11-10 19:24:05,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 19:24:05,794 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.636363636363637) internal successors, (73), 11 states have internal predecessors, (73), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 48 [2024-11-10 19:24:05,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:24:05,796 INFO L225 Difference]: With dead ends: 379 [2024-11-10 19:24:05,796 INFO L226 Difference]: Without dead ends: 360 [2024-11-10 19:24:05,797 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=182, Invalid=468, Unknown=0, NotChecked=0, Total=650 [2024-11-10 19:24:05,797 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 157 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:24:05,797 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 196 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:24:05,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-11-10 19:24:05,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 341. [2024-11-10 19:24:05,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 311 states have (on average 1.1832797427652733) internal successors, (368), 322 states have internal predecessors, (368), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-10 19:24:05,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 396 transitions. [2024-11-10 19:24:05,813 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 396 transitions. Word has length 48 [2024-11-10 19:24:05,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:24:05,813 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 396 transitions. [2024-11-10 19:24:05,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.636363636363637) internal successors, (73), 11 states have internal predecessors, (73), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-10 19:24:05,814 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 396 transitions. [2024-11-10 19:24:05,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-10 19:24:05,814 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:24:05,815 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:24:05,831 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 19:24:06,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-10 19:24:06,015 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:24:06,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:24:06,016 INFO L85 PathProgramCache]: Analyzing trace with hash 402735887, now seen corresponding path program 1 times [2024-11-10 19:24:06,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:24:06,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547283026] [2024-11-10 19:24:06,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:06,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:24:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:06,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:24:06,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:06,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:24:06,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:06,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:24:06,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:06,194 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:24:06,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:24:06,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547283026] [2024-11-10 19:24:06,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547283026] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:24:06,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219241189] [2024-11-10 19:24:06,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:06,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:06,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:24:06,198 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 19:24:06,200 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 19:24:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:06,239 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 19:24:06,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:24:06,395 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:24:06,396 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:24:06,667 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:24:06,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1219241189] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:24:06,667 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:24:06,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2024-11-10 19:24:06,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444149459] [2024-11-10 19:24:06,668 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:24:06,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-10 19:24:06,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:24:06,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-10 19:24:06,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:24:06,669 INFO L87 Difference]: Start difference. First operand 341 states and 396 transitions. Second operand has 17 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:24:07,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:24:07,330 INFO L93 Difference]: Finished difference Result 349 states and 401 transitions. [2024-11-10 19:24:07,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 19:24:07,330 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 49 [2024-11-10 19:24:07,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:24:07,334 INFO L225 Difference]: With dead ends: 349 [2024-11-10 19:24:07,334 INFO L226 Difference]: Without dead ends: 346 [2024-11-10 19:24:07,335 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 90 SyntacticMatches, 5 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=159, Invalid=491, Unknown=0, NotChecked=0, Total=650 [2024-11-10 19:24:07,336 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 190 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:24:07,336 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 182 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:24:07,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-10 19:24:07,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 338. [2024-11-10 19:24:07,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 311 states have (on average 1.1286173633440515) internal successors, (351), 319 states have internal predecessors, (351), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-10 19:24:07,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 379 transitions. [2024-11-10 19:24:07,355 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 379 transitions. Word has length 49 [2024-11-10 19:24:07,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:24:07,355 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 379 transitions. [2024-11-10 19:24:07,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-10 19:24:07,355 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 379 transitions. [2024-11-10 19:24:07,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-10 19:24:07,356 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:24:07,356 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:24:07,373 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-10 19:24:07,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-10 19:24:07,561 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:24:07,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:24:07,562 INFO L85 PathProgramCache]: Analyzing trace with hash -400089380, now seen corresponding path program 1 times [2024-11-10 19:24:07,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:24:07,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580405233] [2024-11-10 19:24:07,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:07,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:24:07,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:24:07,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1627824870] [2024-11-10 19:24:07,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:07,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:07,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:24:07,573 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 19:24:07,576 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 19:24:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:07,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 19:24:07,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:24:07,823 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:24:07,823 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:24:07,945 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:24:07,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:24:07,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580405233] [2024-11-10 19:24:07,946 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:24:07,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1627824870] [2024-11-10 19:24:07,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1627824870] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:24:07,946 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:24:07,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-10 19:24:07,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061446080] [2024-11-10 19:24:07,947 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:24:07,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:24:07,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:24:07,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:24:07,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:24:07,949 INFO L87 Difference]: Start difference. First operand 338 states and 379 transitions. Second operand has 11 states, 10 states have (on average 7.4) internal successors, (74), 11 states have internal predecessors, (74), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:24:08,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:24:08,488 INFO L93 Difference]: Finished difference Result 453 states and 508 transitions. [2024-11-10 19:24:08,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:24:08,488 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.4) internal successors, (74), 11 states have internal predecessors, (74), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 50 [2024-11-10 19:24:08,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:24:08,490 INFO L225 Difference]: With dead ends: 453 [2024-11-10 19:24:08,490 INFO L226 Difference]: Without dead ends: 315 [2024-11-10 19:24:08,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 88 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2024-11-10 19:24:08,491 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 137 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:24:08,491 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 126 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:24:08,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-11-10 19:24:08,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 313. [2024-11-10 19:24:08,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 288 states have (on average 1.09375) internal successors, (315), 295 states have internal predecessors, (315), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-10 19:24:08,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 341 transitions. [2024-11-10 19:24:08,516 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 341 transitions. Word has length 50 [2024-11-10 19:24:08,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:24:08,516 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 341 transitions. [2024-11-10 19:24:08,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.4) internal successors, (74), 11 states have internal predecessors, (74), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:24:08,516 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 341 transitions. [2024-11-10 19:24:08,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-10 19:24:08,517 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:24:08,517 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:24:08,534 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-10 19:24:08,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-10 19:24:08,722 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:24:08,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:24:08,723 INFO L85 PathProgramCache]: Analyzing trace with hash -85045206, now seen corresponding path program 2 times [2024-11-10 19:24:08,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:24:08,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201501932] [2024-11-10 19:24:08,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:08,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:24:08,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:24:08,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [95295846] [2024-11-10 19:24:08,738 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:24:08,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:08,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:24:08,742 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 19:24:08,746 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 19:24:08,791 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:24:08,791 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:24:08,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 19:24:08,794 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:24:08,943 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:24:08,943 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:24:09,355 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:24:09,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:24:09,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201501932] [2024-11-10 19:24:09,355 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:24:09,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95295846] [2024-11-10 19:24:09,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [95295846] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:24:09,356 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:24:09,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-10 19:24:09,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657721573] [2024-11-10 19:24:09,356 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:24:09,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:24:09,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:24:09,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:24:09,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:24:09,358 INFO L87 Difference]: Start difference. First operand 313 states and 341 transitions. Second operand has 10 states, 9 states have (on average 12.0) internal successors, (108), 10 states have internal predecessors, (108), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-10 19:24:10,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:24:10,092 INFO L93 Difference]: Finished difference Result 507 states and 572 transitions. [2024-11-10 19:24:10,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 19:24:10,093 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 12.0) internal successors, (108), 10 states have internal predecessors, (108), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 72 [2024-11-10 19:24:10,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:24:10,095 INFO L225 Difference]: With dead ends: 507 [2024-11-10 19:24:10,095 INFO L226 Difference]: Without dead ends: 494 [2024-11-10 19:24:10,096 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:24:10,096 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 187 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:24:10,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 327 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:24:10,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2024-11-10 19:24:10,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 449. [2024-11-10 19:24:10,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 418 states have (on average 1.1100478468899522) internal successors, (464), 425 states have internal predecessors, (464), 19 states have call successors, (19), 5 states have call predecessors, (19), 5 states have return successors, (19), 18 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 19:24:10,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 502 transitions. [2024-11-10 19:24:10,120 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 502 transitions. Word has length 72 [2024-11-10 19:24:10,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:24:10,120 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 502 transitions. [2024-11-10 19:24:10,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 12.0) internal successors, (108), 10 states have internal predecessors, (108), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-10 19:24:10,121 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 502 transitions. [2024-11-10 19:24:10,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-10 19:24:10,121 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:24:10,122 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:24:10,139 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-10 19:24:10,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:10,326 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:24:10,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:24:10,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1091124918, now seen corresponding path program 1 times [2024-11-10 19:24:10,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:24:10,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170497695] [2024-11-10 19:24:10,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:10,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:24:10,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:10,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:24:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:10,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:24:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:10,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:24:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:10,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:24:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:10,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-10 19:24:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:10,413 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:24:10,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:24:10,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170497695] [2024-11-10 19:24:10,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170497695] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:24:10,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479496559] [2024-11-10 19:24:10,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:10,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:10,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:24:10,416 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 19:24:10,419 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 19:24:10,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:10,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:24:10,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:24:10,539 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:24:10,539 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:24:10,632 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:24:10,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479496559] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:24:10,633 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:24:10,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-11-10 19:24:10,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876430296] [2024-11-10 19:24:10,634 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:24:10,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:24:10,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:24:10,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:24:10,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:24:10,636 INFO L87 Difference]: Start difference. First operand 449 states and 502 transitions. Second operand has 9 states, 8 states have (on average 17.625) internal successors, (141), 9 states have internal predecessors, (141), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2024-11-10 19:24:10,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:24:10,789 INFO L93 Difference]: Finished difference Result 1163 states and 1394 transitions. [2024-11-10 19:24:10,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:24:10,790 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 17.625) internal successors, (141), 9 states have internal predecessors, (141), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) Word has length 84 [2024-11-10 19:24:10,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:24:10,795 INFO L225 Difference]: With dead ends: 1163 [2024-11-10 19:24:10,796 INFO L226 Difference]: Without dead ends: 1161 [2024-11-10 19:24:10,796 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:24:10,797 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 57 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:24:10,797 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 184 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:24:10,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2024-11-10 19:24:10,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 1141. [2024-11-10 19:24:10,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1141 states, 1078 states have (on average 1.1150278293135436) internal successors, (1202), 1083 states have internal predecessors, (1202), 52 states have call successors, (52), 5 states have call predecessors, (52), 5 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-10 19:24:10,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 1141 states and 1306 transitions. [2024-11-10 19:24:10,860 INFO L78 Accepts]: Start accepts. Automaton has 1141 states and 1306 transitions. Word has length 84 [2024-11-10 19:24:10,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:24:10,860 INFO L471 AbstractCegarLoop]: Abstraction has 1141 states and 1306 transitions. [2024-11-10 19:24:10,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 17.625) internal successors, (141), 9 states have internal predecessors, (141), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2024-11-10 19:24:10,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 1306 transitions. [2024-11-10 19:24:10,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-10 19:24:10,863 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:24:10,863 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:24:10,879 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-10 19:24:11,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:11,064 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:24:11,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:24:11,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1949993871, now seen corresponding path program 1 times [2024-11-10 19:24:11,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:24:11,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186465245] [2024-11-10 19:24:11,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:11,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:24:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:11,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:24:11,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:11,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:24:11,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:11,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:24:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:11,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:24:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:11,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-10 19:24:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:11,188 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 62 proven. 16 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-10 19:24:11,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:24:11,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186465245] [2024-11-10 19:24:11,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186465245] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:24:11,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478236041] [2024-11-10 19:24:11,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:11,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:11,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:24:11,191 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 19:24:11,193 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 19:24:11,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:11,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:24:11,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:24:11,350 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 62 proven. 16 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-10 19:24:11,350 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:24:11,439 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 27 proven. 51 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-10 19:24:11,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [478236041] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:24:11,439 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:24:11,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2024-11-10 19:24:11,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067616320] [2024-11-10 19:24:11,440 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:24:11,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:24:11,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:24:11,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:24:11,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:24:11,441 INFO L87 Difference]: Start difference. First operand 1141 states and 1306 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-10 19:24:11,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:24:11,531 INFO L93 Difference]: Finished difference Result 1407 states and 1604 transitions. [2024-11-10 19:24:11,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:24:11,532 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 100 [2024-11-10 19:24:11,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:24:11,536 INFO L225 Difference]: With dead ends: 1407 [2024-11-10 19:24:11,536 INFO L226 Difference]: Without dead ends: 788 [2024-11-10 19:24:11,539 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:24:11,540 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 17 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:24:11,540 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 145 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:24:11,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2024-11-10 19:24:11,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 785. [2024-11-10 19:24:11,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 785 states, 739 states have (on average 1.0960757780784844) internal successors, (810), 744 states have internal predecessors, (810), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-10 19:24:11,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 880 transitions. [2024-11-10 19:24:11,577 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 880 transitions. Word has length 100 [2024-11-10 19:24:11,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:24:11,577 INFO L471 AbstractCegarLoop]: Abstraction has 785 states and 880 transitions. [2024-11-10 19:24:11,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-10 19:24:11,578 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 880 transitions. [2024-11-10 19:24:11,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-10 19:24:11,579 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:24:11,580 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:24:11,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-10 19:24:11,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:11,780 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:24:11,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:24:11,781 INFO L85 PathProgramCache]: Analyzing trace with hash 720237840, now seen corresponding path program 2 times [2024-11-10 19:24:11,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:24:11,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6117068] [2024-11-10 19:24:11,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:11,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:24:11,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:11,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:24:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:11,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:24:11,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:11,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:24:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:11,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:24:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:11,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-10 19:24:11,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:11,940 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 6 proven. 81 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-10 19:24:11,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:24:11,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6117068] [2024-11-10 19:24:11,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6117068] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:24:11,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79893330] [2024-11-10 19:24:11,941 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:24:11,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:11,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:24:11,943 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 19:24:11,944 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 19:24:11,994 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:24:11,994 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:24:11,995 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-10 19:24:11,997 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:24:12,243 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 42 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-10 19:24:12,244 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:24:12,502 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-10 19:24:12,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [79893330] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:24:12,502 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:24:12,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 18 [2024-11-10 19:24:12,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439735248] [2024-11-10 19:24:12,503 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:24:12,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-10 19:24:12,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:24:12,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-10 19:24:12,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2024-11-10 19:24:12,504 INFO L87 Difference]: Start difference. First operand 785 states and 880 transitions. Second operand has 19 states, 18 states have (on average 7.777777777777778) internal successors, (140), 18 states have internal predecessors, (140), 8 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) [2024-11-10 19:24:13,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:24:13,502 INFO L93 Difference]: Finished difference Result 799 states and 894 transitions. [2024-11-10 19:24:13,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-10 19:24:13,504 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 7.777777777777778) internal successors, (140), 18 states have internal predecessors, (140), 8 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) Word has length 100 [2024-11-10 19:24:13,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:24:13,507 INFO L225 Difference]: With dead ends: 799 [2024-11-10 19:24:13,507 INFO L226 Difference]: Without dead ends: 789 [2024-11-10 19:24:13,508 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 191 SyntacticMatches, 7 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 741 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=675, Invalid=2187, Unknown=0, NotChecked=0, Total=2862 [2024-11-10 19:24:13,508 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 233 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:24:13,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 316 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:24:13,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2024-11-10 19:24:13,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 779. [2024-11-10 19:24:13,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 779 states, 735 states have (on average 1.0489795918367346) internal successors, (771), 738 states have internal predecessors, (771), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-10 19:24:13,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 841 transitions. [2024-11-10 19:24:13,542 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 841 transitions. Word has length 100 [2024-11-10 19:24:13,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:24:13,543 INFO L471 AbstractCegarLoop]: Abstraction has 779 states and 841 transitions. [2024-11-10 19:24:13,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 7.777777777777778) internal successors, (140), 18 states have internal predecessors, (140), 8 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) [2024-11-10 19:24:13,543 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 841 transitions. [2024-11-10 19:24:13,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-10 19:24:13,545 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:24:13,546 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:24:13,562 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 19:24:13,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:13,750 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:24:13,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:24:13,750 INFO L85 PathProgramCache]: Analyzing trace with hash 212705342, now seen corresponding path program 1 times [2024-11-10 19:24:13,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:24:13,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851435993] [2024-11-10 19:24:13,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:13,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:24:13,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:13,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:24:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:13,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:24:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:13,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:24:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:13,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:24:13,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:13,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-10 19:24:13,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:13,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 19:24:13,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:13,841 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-10 19:24:13,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:24:13,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851435993] [2024-11-10 19:24:13,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851435993] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:24:13,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [682613974] [2024-11-10 19:24:13,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:13,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:13,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:24:13,843 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 19:24:13,845 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 19:24:13,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:13,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:24:13,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:24:13,996 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-10 19:24:13,996 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:24:14,117 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-10 19:24:14,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [682613974] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:24:14,117 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:24:14,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-10 19:24:14,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318193075] [2024-11-10 19:24:14,118 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:24:14,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:24:14,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:24:14,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:24:14,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:24:14,119 INFO L87 Difference]: Start difference. First operand 779 states and 841 transitions. Second operand has 11 states, 10 states have (on average 18.9) internal successors, (189), 11 states have internal predecessors, (189), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-10 19:24:14,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:24:14,311 INFO L93 Difference]: Finished difference Result 1861 states and 2040 transitions. [2024-11-10 19:24:14,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:24:14,311 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 18.9) internal successors, (189), 11 states have internal predecessors, (189), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) Word has length 113 [2024-11-10 19:24:14,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:24:14,317 INFO L225 Difference]: With dead ends: 1861 [2024-11-10 19:24:14,317 INFO L226 Difference]: Without dead ends: 1860 [2024-11-10 19:24:14,318 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:24:14,318 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 141 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:24:14,319 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 244 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:24:14,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1860 states. [2024-11-10 19:24:14,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1860 to 1840. [2024-11-10 19:24:14,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1840 states, 1748 states have (on average 1.05720823798627) internal successors, (1848), 1751 states have internal predecessors, (1848), 83 states have call successors, (83), 5 states have call predecessors, (83), 5 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-10 19:24:14,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 1840 states and 2014 transitions. [2024-11-10 19:24:14,400 INFO L78 Accepts]: Start accepts. Automaton has 1840 states and 2014 transitions. Word has length 113 [2024-11-10 19:24:14,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:24:14,401 INFO L471 AbstractCegarLoop]: Abstraction has 1840 states and 2014 transitions. [2024-11-10 19:24:14,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 18.9) internal successors, (189), 11 states have internal predecessors, (189), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-10 19:24:14,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1840 states and 2014 transitions. [2024-11-10 19:24:14,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-10 19:24:14,402 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:24:14,402 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:24:14,419 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 19:24:14,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:14,607 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:24:14,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:24:14,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1596865660, now seen corresponding path program 1 times [2024-11-10 19:24:14,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:24:14,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89514692] [2024-11-10 19:24:14,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:14,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:24:14,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:14,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:24:14,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:14,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:24:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:14,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:24:14,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:14,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:24:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:14,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-10 19:24:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:14,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 19:24:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:14,714 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 91 proven. 32 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-10 19:24:14,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:24:14,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89514692] [2024-11-10 19:24:14,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89514692] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:24:14,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [923565495] [2024-11-10 19:24:14,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:14,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:14,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:24:14,717 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 19:24:14,718 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 19:24:14,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:14,777 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:24:14,778 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:24:14,882 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 103 proven. 32 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-10 19:24:14,883 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:24:14,998 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 91 proven. 32 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-10 19:24:14,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [923565495] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:24:14,998 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:24:14,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-11-10 19:24:14,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979858539] [2024-11-10 19:24:14,998 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:24:14,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:24:14,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:24:14,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:24:14,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:24:15,000 INFO L87 Difference]: Start difference. First operand 1840 states and 2014 transitions. Second operand has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 9 states have internal predecessors, (150), 8 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) [2024-11-10 19:24:15,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:24:15,223 INFO L93 Difference]: Finished difference Result 1930 states and 2109 transitions. [2024-11-10 19:24:15,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:24:15,224 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 9 states have internal predecessors, (150), 8 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) Word has length 124 [2024-11-10 19:24:15,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:24:15,230 INFO L225 Difference]: With dead ends: 1930 [2024-11-10 19:24:15,230 INFO L226 Difference]: Without dead ends: 1752 [2024-11-10 19:24:15,231 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 254 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:24:15,232 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 48 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:24:15,233 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 313 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:24:15,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1752 states. [2024-11-10 19:24:15,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1752 to 1748. [2024-11-10 19:24:15,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1748 states, 1659 states have (on average 1.0500301386377335) internal successors, (1742), 1662 states have internal predecessors, (1742), 80 states have call successors, (80), 5 states have call predecessors, (80), 5 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-10 19:24:15,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1748 states to 1748 states and 1902 transitions. [2024-11-10 19:24:15,307 INFO L78 Accepts]: Start accepts. Automaton has 1748 states and 1902 transitions. Word has length 124 [2024-11-10 19:24:15,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:24:15,307 INFO L471 AbstractCegarLoop]: Abstraction has 1748 states and 1902 transitions. [2024-11-10 19:24:15,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 9 states have internal predecessors, (150), 8 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) [2024-11-10 19:24:15,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1748 states and 1902 transitions. [2024-11-10 19:24:15,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-10 19:24:15,309 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:24:15,310 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:24:15,326 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-10 19:24:15,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:15,510 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:24:15,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:24:15,511 INFO L85 PathProgramCache]: Analyzing trace with hash -329934716, now seen corresponding path program 2 times [2024-11-10 19:24:15,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:24:15,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106918873] [2024-11-10 19:24:15,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:15,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:24:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:24:15,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:24:15,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:24:15,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:24:15,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-10 19:24:15,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 19:24:15,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 19:24:15,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:15,671 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 69 proven. 140 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-10 19:24:15,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:24:15,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106918873] [2024-11-10 19:24:15,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106918873] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:24:15,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750727357] [2024-11-10 19:24:15,672 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:24:15,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:15,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:24:15,674 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 19:24:15,675 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 19:24:15,732 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:24:15,733 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:24:15,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 19:24:15,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:24:15,986 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 249 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:24:15,986 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:24:16,286 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 209 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-10 19:24:16,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750727357] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:24:16,287 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:24:16,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 13, 14] total 32 [2024-11-10 19:24:16,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674746503] [2024-11-10 19:24:16,287 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:24:16,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-10 19:24:16,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:24:16,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-10 19:24:16,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=795, Unknown=0, NotChecked=0, Total=992 [2024-11-10 19:24:16,289 INFO L87 Difference]: Start difference. First operand 1748 states and 1902 transitions. Second operand has 32 states, 32 states have (on average 11.40625) internal successors, (365), 32 states have internal predecessors, (365), 18 states have call successors, (21), 7 states have call predecessors, (21), 7 states have return successors, (21), 18 states have call predecessors, (21), 18 states have call successors, (21) [2024-11-10 19:24:20,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:24:20,083 INFO L93 Difference]: Finished difference Result 6109 states and 6630 transitions. [2024-11-10 19:24:20,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2024-11-10 19:24:20,087 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 11.40625) internal successors, (365), 32 states have internal predecessors, (365), 18 states have call successors, (21), 7 states have call predecessors, (21), 7 states have return successors, (21), 18 states have call predecessors, (21), 18 states have call successors, (21) Word has length 150 [2024-11-10 19:24:20,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:24:20,102 INFO L225 Difference]: With dead ends: 6109 [2024-11-10 19:24:20,102 INFO L226 Difference]: Without dead ends: 5026 [2024-11-10 19:24:20,112 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 202 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16442 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=5428, Invalid=35984, Unknown=0, NotChecked=0, Total=41412 [2024-11-10 19:24:20,113 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 1225 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 1749 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1225 SdHoareTripleChecker+Valid, 762 SdHoareTripleChecker+Invalid, 1841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 1749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 19:24:20,113 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1225 Valid, 762 Invalid, 1841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 1749 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 19:24:20,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5026 states. [2024-11-10 19:24:20,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5026 to 4125. [2024-11-10 19:24:20,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4125 states, 3925 states have (on average 1.0415286624203821) internal successors, (4088), 3938 states have internal predecessors, (4088), 183 states have call successors, (183), 13 states have call predecessors, (183), 13 states have return successors, (183), 173 states have call predecessors, (183), 183 states have call successors, (183) [2024-11-10 19:24:20,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4125 states to 4125 states and 4454 transitions. [2024-11-10 19:24:20,355 INFO L78 Accepts]: Start accepts. Automaton has 4125 states and 4454 transitions. Word has length 150 [2024-11-10 19:24:20,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:24:20,359 INFO L471 AbstractCegarLoop]: Abstraction has 4125 states and 4454 transitions. [2024-11-10 19:24:20,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 11.40625) internal successors, (365), 32 states have internal predecessors, (365), 18 states have call successors, (21), 7 states have call predecessors, (21), 7 states have return successors, (21), 18 states have call predecessors, (21), 18 states have call successors, (21) [2024-11-10 19:24:20,360 INFO L276 IsEmpty]: Start isEmpty. Operand 4125 states and 4454 transitions. [2024-11-10 19:24:20,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-10 19:24:20,365 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:24:20,365 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:24:20,382 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 19:24:20,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-10 19:24:20,566 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:24:20,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:24:20,567 INFO L85 PathProgramCache]: Analyzing trace with hash 908964178, now seen corresponding path program 3 times [2024-11-10 19:24:20,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:24:20,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664242923] [2024-11-10 19:24:20,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:20,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:24:20,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:24:20,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1343877976] [2024-11-10 19:24:20,592 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 19:24:20,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:20,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:24:20,594 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 19:24:20,595 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 19:24:20,648 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-10 19:24:20,648 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:24:20,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:24:20,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:24:20,716 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 154 proven. 10 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2024-11-10 19:24:20,717 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:24:21,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:24:21,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664242923] [2024-11-10 19:24:21,424 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:24:21,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1343877976] [2024-11-10 19:24:21,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1343877976] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:24:21,424 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:24:21,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-10 19:24:21,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587715219] [2024-11-10 19:24:21,424 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:24:21,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:24:21,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:24:21,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:24:21,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:24:21,425 INFO L87 Difference]: Start difference. First operand 4125 states and 4454 transitions. Second operand has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:24:21,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:24:21,629 INFO L93 Difference]: Finished difference Result 4130 states and 4456 transitions. [2024-11-10 19:24:21,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:24:21,630 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 176 [2024-11-10 19:24:21,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:24:21,643 INFO L225 Difference]: With dead ends: 4130 [2024-11-10 19:24:21,644 INFO L226 Difference]: Without dead ends: 4126 [2024-11-10 19:24:21,645 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:24:21,646 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 20 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:24:21,646 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 168 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:24:21,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4126 states. [2024-11-10 19:24:21,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4126 to 4110. [2024-11-10 19:24:21,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4110 states, 3910 states have (on average 1.0396419437340154) internal successors, (4065), 3924 states have internal predecessors, (4065), 183 states have call successors, (183), 13 states have call predecessors, (183), 13 states have return successors, (183), 172 states have call predecessors, (183), 183 states have call successors, (183) [2024-11-10 19:24:21,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4110 states to 4110 states and 4431 transitions. [2024-11-10 19:24:21,831 INFO L78 Accepts]: Start accepts. Automaton has 4110 states and 4431 transitions. Word has length 176 [2024-11-10 19:24:21,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:24:21,831 INFO L471 AbstractCegarLoop]: Abstraction has 4110 states and 4431 transitions. [2024-11-10 19:24:21,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:24:21,831 INFO L276 IsEmpty]: Start isEmpty. Operand 4110 states and 4431 transitions. [2024-11-10 19:24:21,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-10 19:24:21,834 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:24:21,834 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:24:21,850 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 19:24:22,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-10 19:24:22,035 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:24:22,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:24:22,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1973185583, now seen corresponding path program 1 times [2024-11-10 19:24:22,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:24:22,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252300754] [2024-11-10 19:24:22,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:22,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:24:22,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:24:22,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1636981819] [2024-11-10 19:24:22,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:22,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:22,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:24:22,063 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:24:22,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-10 19:24:22,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:22,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-10 19:24:22,168 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:24:23,445 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 15 proven. 321 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-10 19:24:23,445 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:24:24,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:24:24,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252300754] [2024-11-10 19:24:24,203 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:24:24,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636981819] [2024-11-10 19:24:24,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1636981819] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:24:24,203 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:24:24,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2024-11-10 19:24:24,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406151879] [2024-11-10 19:24:24,203 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:24:24,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-10 19:24:24,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:24:24,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-10 19:24:24,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=732, Unknown=0, NotChecked=0, Total=870 [2024-11-10 19:24:24,205 INFO L87 Difference]: Start difference. First operand 4110 states and 4431 transitions. Second operand has 25 states, 23 states have (on average 6.434782608695652) internal successors, (148), 23 states have internal predecessors, (148), 8 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:24:25,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:24:25,656 INFO L93 Difference]: Finished difference Result 4316 states and 4651 transitions. [2024-11-10 19:24:25,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-10 19:24:25,657 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 23 states have (on average 6.434782608695652) internal successors, (148), 23 states have internal predecessors, (148), 8 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) Word has length 176 [2024-11-10 19:24:25,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:24:25,670 INFO L225 Difference]: With dead ends: 4316 [2024-11-10 19:24:25,670 INFO L226 Difference]: Without dead ends: 4315 [2024-11-10 19:24:25,671 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 581 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=412, Invalid=1844, Unknown=0, NotChecked=0, Total=2256 [2024-11-10 19:24:25,672 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 188 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 1220 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 1228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:24:25,672 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 603 Invalid, 1228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1220 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 19:24:25,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4315 states. [2024-11-10 19:24:25,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4315 to 4110. [2024-11-10 19:24:25,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4110 states, 3910 states have (on average 1.039386189258312) internal successors, (4064), 3924 states have internal predecessors, (4064), 183 states have call successors, (183), 13 states have call predecessors, (183), 13 states have return successors, (183), 172 states have call predecessors, (183), 183 states have call successors, (183) [2024-11-10 19:24:25,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4110 states to 4110 states and 4430 transitions. [2024-11-10 19:24:25,827 INFO L78 Accepts]: Start accepts. Automaton has 4110 states and 4430 transitions. Word has length 176 [2024-11-10 19:24:25,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:24:25,827 INFO L471 AbstractCegarLoop]: Abstraction has 4110 states and 4430 transitions. [2024-11-10 19:24:25,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 23 states have (on average 6.434782608695652) internal successors, (148), 23 states have internal predecessors, (148), 8 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:24:25,828 INFO L276 IsEmpty]: Start isEmpty. Operand 4110 states and 4430 transitions. [2024-11-10 19:24:25,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-10 19:24:25,830 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:24:25,830 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:24:25,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-10 19:24:26,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-10 19:24:26,035 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:24:26,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:24:26,035 INFO L85 PathProgramCache]: Analyzing trace with hash -878563378, now seen corresponding path program 2 times [2024-11-10 19:24:26,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:24:26,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537528310] [2024-11-10 19:24:26,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:26,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:24:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:24:26,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [519540257] [2024-11-10 19:24:26,057 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:24:26,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:26,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:24:26,059 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:24:26,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-10 19:24:26,128 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:24:26,128 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:24:26,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 19:24:26,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:24:26,450 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 270 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-10 19:24:26,451 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:24:26,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:24:26,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537528310] [2024-11-10 19:24:26,983 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:24:26,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519540257] [2024-11-10 19:24:26,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519540257] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:24:26,984 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:24:26,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-10 19:24:26,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682412892] [2024-11-10 19:24:26,984 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:24:26,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:24:26,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:24:26,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:24:26,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:24:26,985 INFO L87 Difference]: Start difference. First operand 4110 states and 4430 transitions. Second operand has 8 states, 7 states have (on average 15.285714285714286) internal successors, (107), 8 states have internal predecessors, (107), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-10 19:24:27,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:24:27,300 INFO L93 Difference]: Finished difference Result 4546 states and 4900 transitions. [2024-11-10 19:24:27,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:24:27,300 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 15.285714285714286) internal successors, (107), 8 states have internal predecessors, (107), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 176 [2024-11-10 19:24:27,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:24:27,325 INFO L225 Difference]: With dead ends: 4546 [2024-11-10 19:24:27,326 INFO L226 Difference]: Without dead ends: 4542 [2024-11-10 19:24:27,327 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:24:27,327 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 25 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:24:27,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 318 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:24:27,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4542 states. [2024-11-10 19:24:27,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4542 to 4075. [2024-11-10 19:24:27,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4075 states, 3876 states have (on average 1.0389576883384932) internal successors, (4027), 3890 states have internal predecessors, (4027), 182 states have call successors, (182), 13 states have call predecessors, (182), 13 states have return successors, (182), 171 states have call predecessors, (182), 182 states have call successors, (182) [2024-11-10 19:24:27,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4075 states to 4075 states and 4391 transitions. [2024-11-10 19:24:27,496 INFO L78 Accepts]: Start accepts. Automaton has 4075 states and 4391 transitions. Word has length 176 [2024-11-10 19:24:27,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:24:27,497 INFO L471 AbstractCegarLoop]: Abstraction has 4075 states and 4391 transitions. [2024-11-10 19:24:27,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 15.285714285714286) internal successors, (107), 8 states have internal predecessors, (107), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-10 19:24:27,497 INFO L276 IsEmpty]: Start isEmpty. Operand 4075 states and 4391 transitions. [2024-11-10 19:24:27,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-10 19:24:27,500 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:24:27,500 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:24:27,517 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-10 19:24:27,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:27,701 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:24:27,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:24:27,701 INFO L85 PathProgramCache]: Analyzing trace with hash -2124937510, now seen corresponding path program 2 times [2024-11-10 19:24:27,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:24:27,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154356640] [2024-11-10 19:24:27,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:27,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:24:27,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:27,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:24:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:27,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:24:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:27,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:24:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:27,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:24:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:27,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-10 19:24:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:27,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 19:24:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:27,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 19:24:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:27,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 19:24:27,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:27,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-10 19:24:27,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:27,908 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-10 19:24:27,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:24:27,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154356640] [2024-11-10 19:24:27,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154356640] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:24:27,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1751821422] [2024-11-10 19:24:27,909 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:24:27,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:27,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:24:27,911 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:24:27,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-10 19:24:27,984 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:24:27,984 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:24:27,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 19:24:27,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:24:28,164 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-10 19:24:28,164 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:24:28,426 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-10 19:24:28,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1751821422] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:24:28,426 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:24:28,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 16 [2024-11-10 19:24:28,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117026134] [2024-11-10 19:24:28,427 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:24:28,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-10 19:24:28,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:24:28,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-10 19:24:28,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:24:28,429 INFO L87 Difference]: Start difference. First operand 4075 states and 4391 transitions. Second operand has 17 states, 16 states have (on average 19.3125) internal successors, (309), 17 states have internal predecessors, (309), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) [2024-11-10 19:24:28,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:24:28,722 INFO L93 Difference]: Finished difference Result 5731 states and 6274 transitions. [2024-11-10 19:24:28,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 19:24:28,723 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 19.3125) internal successors, (309), 17 states have internal predecessors, (309), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) Word has length 188 [2024-11-10 19:24:28,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:24:28,732 INFO L225 Difference]: With dead ends: 5731 [2024-11-10 19:24:28,732 INFO L226 Difference]: Without dead ends: 5730 [2024-11-10 19:24:28,733 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:24:28,734 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 32 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:24:28,734 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 238 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:24:28,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5730 states. [2024-11-10 19:24:28,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5730 to 5730. [2024-11-10 19:24:28,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5730 states, 5456 states have (on average 1.0403225806451613) internal successors, (5676), 5469 states have internal predecessors, (5676), 257 states have call successors, (257), 13 states have call predecessors, (257), 13 states have return successors, (257), 247 states have call predecessors, (257), 257 states have call successors, (257) [2024-11-10 19:24:28,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5730 states to 5730 states and 6190 transitions. [2024-11-10 19:24:28,960 INFO L78 Accepts]: Start accepts. Automaton has 5730 states and 6190 transitions. Word has length 188 [2024-11-10 19:24:28,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:24:28,960 INFO L471 AbstractCegarLoop]: Abstraction has 5730 states and 6190 transitions. [2024-11-10 19:24:28,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 19.3125) internal successors, (309), 17 states have internal predecessors, (309), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) [2024-11-10 19:24:28,961 INFO L276 IsEmpty]: Start isEmpty. Operand 5730 states and 6190 transitions. [2024-11-10 19:24:28,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-10 19:24:28,964 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:24:28,964 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:24:28,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-10 19:24:29,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-10 19:24:29,165 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:24:29,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:24:29,167 INFO L85 PathProgramCache]: Analyzing trace with hash -627592680, now seen corresponding path program 3 times [2024-11-10 19:24:29,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:24:29,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215474897] [2024-11-10 19:24:29,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:29,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:24:29,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:29,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:24:29,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:29,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:24:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:29,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:24:29,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:29,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:24:29,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:29,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-10 19:24:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:29,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 19:24:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:29,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 19:24:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:29,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 19:24:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:29,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-10 19:24:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:29,368 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 153 proven. 267 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-11-10 19:24:29,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:24:29,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215474897] [2024-11-10 19:24:29,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215474897] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:24:29,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1656249188] [2024-11-10 19:24:29,368 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 19:24:29,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:29,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:24:29,370 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:24:29,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-10 19:24:29,436 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-10 19:24:29,436 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:24:29,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-10 19:24:29,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:24:30,697 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 234 proven. 148 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-10 19:24:30,697 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:24:32,277 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 274 proven. 78 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-11-10 19:24:32,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1656249188] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:24:32,278 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:24:32,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 18, 13] total 36 [2024-11-10 19:24:32,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671888677] [2024-11-10 19:24:32,278 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:24:32,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-10 19:24:32,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:24:32,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-10 19:24:32,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=1071, Unknown=0, NotChecked=0, Total=1260 [2024-11-10 19:24:32,282 INFO L87 Difference]: Start difference. First operand 5730 states and 6190 transitions. Second operand has 36 states, 36 states have (on average 10.194444444444445) internal successors, (367), 36 states have internal predecessors, (367), 14 states have call successors, (17), 1 states have call predecessors, (17), 3 states have return successors, (19), 15 states have call predecessors, (19), 14 states have call successors, (19) [2024-11-10 19:24:41,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.54s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-10 19:24:46,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:24:46,611 INFO L93 Difference]: Finished difference Result 10998 states and 11921 transitions. [2024-11-10 19:24:46,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-11-10 19:24:46,611 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 10.194444444444445) internal successors, (367), 36 states have internal predecessors, (367), 14 states have call successors, (17), 1 states have call predecessors, (17), 3 states have return successors, (19), 15 states have call predecessors, (19), 14 states have call successors, (19) Word has length 202 [2024-11-10 19:24:46,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:24:46,627 INFO L225 Difference]: With dead ends: 10998 [2024-11-10 19:24:46,627 INFO L226 Difference]: Without dead ends: 6769 [2024-11-10 19:24:46,638 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 498 GetRequests, 397 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2956 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=1605, Invalid=8900, Unknown=1, NotChecked=0, Total=10506 [2024-11-10 19:24:46,638 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 481 mSDsluCounter, 1121 mSDsCounter, 0 mSdLazyCounter, 3192 mSolverCounterSat, 87 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 1192 SdHoareTripleChecker+Invalid, 3280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 3192 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:24:46,639 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 1192 Invalid, 3280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 3192 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2024-11-10 19:24:46,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6769 states. [2024-11-10 19:24:46,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6769 to 5079. [2024-11-10 19:24:46,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5079 states, 4835 states have (on average 1.032678386763185) internal successors, (4993), 4851 states have internal predecessors, (4993), 227 states have call successors, (227), 13 states have call predecessors, (227), 13 states have return successors, (227), 214 states have call predecessors, (227), 227 states have call successors, (227) [2024-11-10 19:24:46,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5079 states to 5079 states and 5447 transitions. [2024-11-10 19:24:46,953 INFO L78 Accepts]: Start accepts. Automaton has 5079 states and 5447 transitions. Word has length 202 [2024-11-10 19:24:46,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:24:46,954 INFO L471 AbstractCegarLoop]: Abstraction has 5079 states and 5447 transitions. [2024-11-10 19:24:46,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 10.194444444444445) internal successors, (367), 36 states have internal predecessors, (367), 14 states have call successors, (17), 1 states have call predecessors, (17), 3 states have return successors, (19), 15 states have call predecessors, (19), 14 states have call successors, (19) [2024-11-10 19:24:46,954 INFO L276 IsEmpty]: Start isEmpty. Operand 5079 states and 5447 transitions. [2024-11-10 19:24:46,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-10 19:24:46,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:24:46,959 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:24:46,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-10 19:24:47,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:47,160 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:24:47,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:24:47,161 INFO L85 PathProgramCache]: Analyzing trace with hash 2044779106, now seen corresponding path program 4 times [2024-11-10 19:24:47,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:24:47,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991658303] [2024-11-10 19:24:47,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:47,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:24:47,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:24:47,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1860944523] [2024-11-10 19:24:47,189 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-10 19:24:47,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:47,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:24:47,191 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:24:47,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-10 19:24:47,284 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-10 19:24:47,285 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:24:47,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-10 19:24:47,290 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:24:49,212 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 27 proven. 588 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-10 19:24:49,213 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:24:49,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:24:49,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991658303] [2024-11-10 19:24:49,988 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:24:49,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860944523] [2024-11-10 19:24:49,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1860944523] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:24:49,988 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:24:49,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2024-11-10 19:24:49,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492031085] [2024-11-10 19:24:49,989 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:24:49,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-10 19:24:49,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:24:49,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-10 19:24:49,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=932, Unknown=0, NotChecked=0, Total=1122 [2024-11-10 19:24:49,990 INFO L87 Difference]: Start difference. First operand 5079 states and 5447 transitions. Second operand has 29 states, 27 states have (on average 7.037037037037037) internal successors, (190), 27 states have internal predecessors, (190), 10 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 19:24:51,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:24:51,783 INFO L93 Difference]: Finished difference Result 5348 states and 5727 transitions. [2024-11-10 19:24:51,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-11-10 19:24:51,784 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 27 states have (on average 7.037037037037037) internal successors, (190), 27 states have internal predecessors, (190), 10 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Word has length 228 [2024-11-10 19:24:51,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:24:51,792 INFO L225 Difference]: With dead ends: 5348 [2024-11-10 19:24:51,793 INFO L226 Difference]: Without dead ends: 5347 [2024-11-10 19:24:51,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1050 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=798, Invalid=3234, Unknown=0, NotChecked=0, Total=4032 [2024-11-10 19:24:51,796 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 259 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 1185 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 1194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:24:51,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 552 Invalid, 1194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1185 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:24:51,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5347 states. [2024-11-10 19:24:52,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5347 to 5079. [2024-11-10 19:24:52,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5079 states, 4835 states have (on average 1.0324715615305067) internal successors, (4992), 4851 states have internal predecessors, (4992), 227 states have call successors, (227), 13 states have call predecessors, (227), 13 states have return successors, (227), 214 states have call predecessors, (227), 227 states have call successors, (227) [2024-11-10 19:24:52,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5079 states to 5079 states and 5446 transitions. [2024-11-10 19:24:52,067 INFO L78 Accepts]: Start accepts. Automaton has 5079 states and 5446 transitions. Word has length 228 [2024-11-10 19:24:52,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:24:52,067 INFO L471 AbstractCegarLoop]: Abstraction has 5079 states and 5446 transitions. [2024-11-10 19:24:52,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 27 states have (on average 7.037037037037037) internal successors, (190), 27 states have internal predecessors, (190), 10 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 19:24:52,067 INFO L276 IsEmpty]: Start isEmpty. Operand 5079 states and 5446 transitions. [2024-11-10 19:24:52,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-10 19:24:52,070 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:24:52,070 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:24:52,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-10 19:24:52,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-11-10 19:24:52,275 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:24:52,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:24:52,275 INFO L85 PathProgramCache]: Analyzing trace with hash -2054778848, now seen corresponding path program 5 times [2024-11-10 19:24:52,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:24:52,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565359772] [2024-11-10 19:24:52,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:52,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:24:52,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:24:52,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [802013606] [2024-11-10 19:24:52,298 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-10 19:24:52,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:52,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:24:52,302 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:24:52,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-10 19:24:52,392 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-11-10 19:24:52,392 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:24:52,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-10 19:24:52,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:24:53,278 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 12 proven. 609 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-10 19:24:53,278 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:24:53,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:24:53,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565359772] [2024-11-10 19:24:53,563 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:24:53,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802013606] [2024-11-10 19:24:53,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [802013606] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:24:53,563 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:24:53,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2024-11-10 19:24:53,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004235348] [2024-11-10 19:24:53,563 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:24:53,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-10 19:24:53,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:24:53,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-10 19:24:53,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=427, Unknown=0, NotChecked=0, Total=506 [2024-11-10 19:24:53,564 INFO L87 Difference]: Start difference. First operand 5079 states and 5446 transitions. Second operand has 20 states, 19 states have (on average 9.842105263157896) internal successors, (187), 20 states have internal predecessors, (187), 9 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-10 19:24:54,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:24:54,737 INFO L93 Difference]: Finished difference Result 7991 states and 8597 transitions. [2024-11-10 19:24:54,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-10 19:24:54,737 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 9.842105263157896) internal successors, (187), 20 states have internal predecessors, (187), 9 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) Word has length 228 [2024-11-10 19:24:54,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:24:54,747 INFO L225 Difference]: With dead ends: 7991 [2024-11-10 19:24:54,747 INFO L226 Difference]: Without dead ends: 5274 [2024-11-10 19:24:54,750 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=464, Unknown=0, NotChecked=0, Total=552 [2024-11-10 19:24:54,751 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 28 mSDsluCounter, 1050 mSDsCounter, 0 mSdLazyCounter, 2025 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1149 SdHoareTripleChecker+Invalid, 2026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 19:24:54,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1149 Invalid, 2026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2025 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 19:24:54,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5274 states. [2024-11-10 19:24:54,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5274 to 5000. [2024-11-10 19:24:54,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5000 states, 4759 states have (on average 1.0319394830846818) internal successors, (4911), 4775 states have internal predecessors, (4911), 224 states have call successors, (224), 13 states have call predecessors, (224), 13 states have return successors, (224), 211 states have call predecessors, (224), 224 states have call successors, (224) [2024-11-10 19:24:54,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5000 states to 5000 states and 5359 transitions. [2024-11-10 19:24:54,996 INFO L78 Accepts]: Start accepts. Automaton has 5000 states and 5359 transitions. Word has length 228 [2024-11-10 19:24:54,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:24:54,998 INFO L471 AbstractCegarLoop]: Abstraction has 5000 states and 5359 transitions. [2024-11-10 19:24:55,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 9.842105263157896) internal successors, (187), 20 states have internal predecessors, (187), 9 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-10 19:24:55,000 INFO L276 IsEmpty]: Start isEmpty. Operand 5000 states and 5359 transitions. [2024-11-10 19:24:55,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2024-11-10 19:24:55,002 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:24:55,002 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:24:55,019 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-10 19:24:55,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:55,207 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:24:55,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:24:55,207 INFO L85 PathProgramCache]: Analyzing trace with hash 584262732, now seen corresponding path program 2 times [2024-11-10 19:24:55,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:24:55,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814463757] [2024-11-10 19:24:55,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:55,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:24:55,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:55,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:24:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:55,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:24:55,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:55,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:24:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:55,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:24:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:55,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-10 19:24:55,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:55,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 19:24:55,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:55,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 19:24:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:55,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 19:24:55,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:55,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-10 19:24:55,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:55,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-10 19:24:55,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:55,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-10 19:24:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:55,468 INFO L134 CoverageAnalysis]: Checked inductivity of 908 backedges. 0 proven. 760 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-10 19:24:55,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:24:55,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814463757] [2024-11-10 19:24:55,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814463757] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:24:55,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [552893374] [2024-11-10 19:24:55,468 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:24:55,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:55,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:24:55,470 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:24:55,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-10 19:24:55,548 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:24:55,549 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:24:55,550 INFO L255 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 19:24:55,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:24:55,821 INFO L134 CoverageAnalysis]: Checked inductivity of 908 backedges. 0 proven. 760 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-10 19:24:55,821 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:24:56,196 INFO L134 CoverageAnalysis]: Checked inductivity of 908 backedges. 0 proven. 760 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-10 19:24:56,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [552893374] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:24:56,196 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:24:56,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 20 [2024-11-10 19:24:56,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485101863] [2024-11-10 19:24:56,197 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:24:56,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-10 19:24:56,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:24:56,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-10 19:24:56,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-11-10 19:24:56,199 INFO L87 Difference]: Start difference. First operand 5000 states and 5359 transitions. Second operand has 21 states, 20 states have (on average 19.95) internal successors, (399), 21 states have internal predecessors, (399), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2024-11-10 19:24:57,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:24:57,061 INFO L93 Difference]: Finished difference Result 13580 states and 14527 transitions. [2024-11-10 19:24:57,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-10 19:24:57,062 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 19.95) internal successors, (399), 21 states have internal predecessors, (399), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) Word has length 243 [2024-11-10 19:24:57,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:24:57,088 INFO L225 Difference]: With dead ends: 13580 [2024-11-10 19:24:57,088 INFO L226 Difference]: Without dead ends: 13579 [2024-11-10 19:24:57,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 516 GetRequests, 497 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-11-10 19:24:57,093 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 351 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:24:57,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 509 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:24:57,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13579 states. [2024-11-10 19:24:57,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13579 to 9020. [2024-11-10 19:24:57,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9020 states, 8602 states have (on average 1.0372006510113927) internal successors, (8922), 8617 states have internal predecessors, (8922), 401 states have call successors, (401), 13 states have call predecessors, (401), 13 states have return successors, (401), 389 states have call predecessors, (401), 401 states have call successors, (401) [2024-11-10 19:24:57,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9020 states to 9020 states and 9724 transitions. [2024-11-10 19:24:57,594 INFO L78 Accepts]: Start accepts. Automaton has 9020 states and 9724 transitions. Word has length 243 [2024-11-10 19:24:57,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:24:57,595 INFO L471 AbstractCegarLoop]: Abstraction has 9020 states and 9724 transitions. [2024-11-10 19:24:57,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 19.95) internal successors, (399), 21 states have internal predecessors, (399), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2024-11-10 19:24:57,596 INFO L276 IsEmpty]: Start isEmpty. Operand 9020 states and 9724 transitions. [2024-11-10 19:24:57,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2024-11-10 19:24:57,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:24:57,599 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:24:57,616 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-10 19:24:57,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:57,799 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:24:57,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:24:57,800 INFO L85 PathProgramCache]: Analyzing trace with hash 534114825, now seen corresponding path program 6 times [2024-11-10 19:24:57,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:24:57,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327320940] [2024-11-10 19:24:57,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:24:57,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:24:57,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:58,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:24:58,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:58,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:24:58,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:58,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:24:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:58,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:24:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:58,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-10 19:24:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:58,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 19:24:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:58,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 19:24:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:58,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 19:24:58,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:58,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-10 19:24:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:58,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-10 19:24:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:58,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-10 19:24:58,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:24:58,103 INFO L134 CoverageAnalysis]: Checked inductivity of 919 backedges. 211 proven. 560 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-10 19:24:58,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:24:58,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327320940] [2024-11-10 19:24:58,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327320940] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:24:58,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352246377] [2024-11-10 19:24:58,104 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-10 19:24:58,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:24:58,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:24:58,106 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:24:58,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-10 19:24:58,245 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2024-11-10 19:24:58,246 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:24:58,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 19:24:58,250 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:24:58,704 INFO L134 CoverageAnalysis]: Checked inductivity of 919 backedges. 265 proven. 506 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-10 19:24:58,705 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:24:59,034 INFO L134 CoverageAnalysis]: Checked inductivity of 919 backedges. 265 proven. 506 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-10 19:24:59,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352246377] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:24:59,035 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:24:59,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 18 [2024-11-10 19:24:59,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229105553] [2024-11-10 19:24:59,035 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:24:59,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-10 19:24:59,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:24:59,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-10 19:24:59,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2024-11-10 19:24:59,037 INFO L87 Difference]: Start difference. First operand 9020 states and 9724 transitions. Second operand has 18 states, 18 states have (on average 18.22222222222222) internal successors, (328), 18 states have internal predecessors, (328), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) [2024-11-10 19:25:00,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:25:00,032 INFO L93 Difference]: Finished difference Result 20385 states and 22065 transitions. [2024-11-10 19:25:00,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 19:25:00,033 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 18.22222222222222) internal successors, (328), 18 states have internal predecessors, (328), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) Word has length 254 [2024-11-10 19:25:00,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:25:00,056 INFO L225 Difference]: With dead ends: 20385 [2024-11-10 19:25:00,057 INFO L226 Difference]: Without dead ends: 14493 [2024-11-10 19:25:00,066 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 544 GetRequests, 515 SyntacticMatches, 9 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2024-11-10 19:25:00,067 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 58 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 829 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 829 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:25:00,067 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 840 Invalid, 832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 829 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:25:00,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14493 states. [2024-11-10 19:25:00,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14493 to 10388. [2024-11-10 19:25:00,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10388 states, 9907 states have (on average 1.0350257393761986) internal successors, (10254), 9921 states have internal predecessors, (10254), 464 states have call successors, (464), 13 states have call predecessors, (464), 13 states have return successors, (464), 453 states have call predecessors, (464), 464 states have call successors, (464) [2024-11-10 19:25:00,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10388 states to 10388 states and 11182 transitions. [2024-11-10 19:25:00,566 INFO L78 Accepts]: Start accepts. Automaton has 10388 states and 11182 transitions. Word has length 254 [2024-11-10 19:25:00,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:25:00,567 INFO L471 AbstractCegarLoop]: Abstraction has 10388 states and 11182 transitions. [2024-11-10 19:25:00,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 18.22222222222222) internal successors, (328), 18 states have internal predecessors, (328), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) [2024-11-10 19:25:00,567 INFO L276 IsEmpty]: Start isEmpty. Operand 10388 states and 11182 transitions. [2024-11-10 19:25:00,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-11-10 19:25:00,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:25:00,571 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:25:00,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-10 19:25:00,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:25:00,772 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:25:00,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:25:00,772 INFO L85 PathProgramCache]: Analyzing trace with hash -14965483, now seen corresponding path program 7 times [2024-11-10 19:25:00,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:25:00,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844800285] [2024-11-10 19:25:00,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:25:00,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:25:00,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:25:00,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1009751546] [2024-11-10 19:25:00,801 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-10 19:25:00,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:25:00,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:25:00,803 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:25:00,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-10 19:25:00,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:00,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-10 19:25:00,903 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:25:03,412 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 27 proven. 913 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-10 19:25:03,412 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:25:04,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:25:04,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844800285] [2024-11-10 19:25:04,177 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:25:04,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1009751546] [2024-11-10 19:25:04,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1009751546] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:25:04,177 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:25:04,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2024-11-10 19:25:04,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627143944] [2024-11-10 19:25:04,178 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:25:04,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-10 19:25:04,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:25:04,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-10 19:25:04,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=1154, Unknown=0, NotChecked=0, Total=1406 [2024-11-10 19:25:04,179 INFO L87 Difference]: Start difference. First operand 10388 states and 11182 transitions. Second operand has 33 states, 31 states have (on average 7.483870967741935) internal successors, (232), 31 states have internal predecessors, (232), 12 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:25:07,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:25:07,120 INFO L93 Difference]: Finished difference Result 10675 states and 11481 transitions. [2024-11-10 19:25:07,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-11-10 19:25:07,121 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 31 states have (on average 7.483870967741935) internal successors, (232), 31 states have internal predecessors, (232), 12 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) Word has length 280 [2024-11-10 19:25:07,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:25:07,137 INFO L225 Difference]: With dead ends: 10675 [2024-11-10 19:25:07,138 INFO L226 Difference]: Without dead ends: 10674 [2024-11-10 19:25:07,141 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1932 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1251, Invalid=5229, Unknown=0, NotChecked=0, Total=6480 [2024-11-10 19:25:07,142 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 317 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 1230 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 1244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 19:25:07,142 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 570 Invalid, 1244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1230 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 19:25:07,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10674 states. [2024-11-10 19:25:07,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10674 to 10388. [2024-11-10 19:25:07,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10388 states, 9907 states have (on average 1.034924800646008) internal successors, (10253), 9921 states have internal predecessors, (10253), 464 states have call successors, (464), 13 states have call predecessors, (464), 13 states have return successors, (464), 453 states have call predecessors, (464), 464 states have call successors, (464) [2024-11-10 19:25:07,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10388 states to 10388 states and 11181 transitions. [2024-11-10 19:25:07,677 INFO L78 Accepts]: Start accepts. Automaton has 10388 states and 11181 transitions. Word has length 280 [2024-11-10 19:25:07,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:25:07,678 INFO L471 AbstractCegarLoop]: Abstraction has 10388 states and 11181 transitions. [2024-11-10 19:25:07,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 31 states have (on average 7.483870967741935) internal successors, (232), 31 states have internal predecessors, (232), 12 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:25:07,679 INFO L276 IsEmpty]: Start isEmpty. Operand 10388 states and 11181 transitions. [2024-11-10 19:25:07,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2024-11-10 19:25:07,683 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:25:07,684 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:25:07,701 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-10 19:25:07,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-10 19:25:07,888 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-10 19:25:07,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:25:07,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1265599335, now seen corresponding path program 3 times [2024-11-10 19:25:07,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:25:07,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549888870] [2024-11-10 19:25:07,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:25:07,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:25:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:08,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:25:08,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:08,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:25:08,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:08,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:25:08,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:08,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:25:08,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:08,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-10 19:25:08,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:08,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 19:25:08,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:08,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 19:25:08,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:08,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 19:25:08,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:08,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-10 19:25:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:08,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-10 19:25:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:08,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-10 19:25:08,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:08,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-10 19:25:08,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:08,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-10 19:25:08,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:08,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-11-10 19:25:08,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:08,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1564 backedges. 0 proven. 1296 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-10 19:25:08,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:25:08,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549888870] [2024-11-10 19:25:08,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549888870] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:25:08,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1009743186] [2024-11-10 19:25:08,689 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 19:25:08,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:25:08,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:25:08,691 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:25:08,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-10 19:25:08,805 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-11-10 19:25:08,805 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:25:08,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-10 19:25:08,811 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:25:09,445 INFO L134 CoverageAnalysis]: Checked inductivity of 1564 backedges. 0 proven. 1216 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2024-11-10 19:25:09,445 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:25:09,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1009743186] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:25:09,972 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:25:09,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 10] total 38 [2024-11-10 19:25:09,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305420925] [2024-11-10 19:25:09,972 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:25:09,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-11-10 19:25:09,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:25:09,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-11-10 19:25:09,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=1362, Unknown=0, NotChecked=0, Total=1640 [2024-11-10 19:25:09,974 INFO L87 Difference]: Start difference. First operand 10388 states and 11181 transitions. Second operand has 38 states, 38 states have (on average 12.105263157894736) internal successors, (460), 38 states have internal predecessors, (460), 21 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 21 states have call predecessors, (23), 21 states have call successors, (23)