./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc 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/hard2_valuebound2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 39b9505d3a064a677b57bccb6de3a4c04e873275d34ee3c16e80371638b07149 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 10:52:06,436 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 10:52:06,507 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 10:52:06,513 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 10:52:06,513 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 10:52:06,550 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 10:52:06,552 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 10:52:06,553 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 10:52:06,553 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 10:52:06,554 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 10:52:06,555 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 10:52:06,555 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 10:52:06,556 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 10:52:06,556 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 10:52:06,558 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 10:52:06,558 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 10:52:06,559 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 10:52:06,559 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 10:52:06,559 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 10:52:06,560 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 10:52:06,560 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 10:52:06,560 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 10:52:06,561 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 10:52:06,561 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 10:52:06,561 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 10:52:06,562 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 10:52:06,562 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 10:52:06,562 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 10:52:06,563 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 10:52:06,563 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 10:52:06,563 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 10:52:06,564 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 10:52:06,564 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 10:52:06,564 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 10:52:06,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:52:06,565 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 10:52:06,565 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 10:52:06,566 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 10:52:06,566 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 10:52:06,566 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 10:52:06,567 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 10:52:06,570 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 10:52:06,570 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 10:52:06,570 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 10:52:06,571 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39b9505d3a064a677b57bccb6de3a4c04e873275d34ee3c16e80371638b07149 [2024-11-19 10:52:06,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 10:52:06,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 10:52:06,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 10:52:06,863 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 10:52:06,863 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 10:52:06,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound2.c [2024-11-19 10:52:08,190 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 10:52:08,347 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 10:52:08,347 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound2.c [2024-11-19 10:52:08,353 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b66643a6b/74df28bf9fed48f7871f3735578c56b3/FLAG30366d37a [2024-11-19 10:52:08,364 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b66643a6b/74df28bf9fed48f7871f3735578c56b3 [2024-11-19 10:52:08,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 10:52:08,368 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 10:52:08,370 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 10:52:08,370 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 10:52:08,375 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 10:52:08,376 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:52:08" (1/1) ... [2024-11-19 10:52:08,377 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19c6f05e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:52:08, skipping insertion in model container [2024-11-19 10:52:08,377 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:52:08" (1/1) ... [2024-11-19 10:52:08,397 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 10:52:08,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:52:08,585 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 10:52:08,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:52:08,618 INFO L204 MainTranslator]: Completed translation [2024-11-19 10:52:08,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:52:08 WrapperNode [2024-11-19 10:52:08,619 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 10:52:08,620 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 10:52:08,620 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 10:52:08,620 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 10:52:08,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:52:08" (1/1) ... [2024-11-19 10:52:08,635 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:52:08" (1/1) ... [2024-11-19 10:52:08,657 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94 [2024-11-19 10:52:08,657 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 10:52:08,658 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 10:52:08,658 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 10:52:08,658 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 10:52:08,668 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:52:08" (1/1) ... [2024-11-19 10:52:08,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:52:08" (1/1) ... [2024-11-19 10:52:08,670 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:52:08" (1/1) ... [2024-11-19 10:52:08,681 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2024-11-19 10:52:08,682 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:52:08" (1/1) ... [2024-11-19 10:52:08,682 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:52:08" (1/1) ... [2024-11-19 10:52:08,685 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:52:08" (1/1) ... [2024-11-19 10:52:08,689 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:52:08" (1/1) ... [2024-11-19 10:52:08,690 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:52:08" (1/1) ... [2024-11-19 10:52:08,690 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:52:08" (1/1) ... [2024-11-19 10:52:08,692 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 10:52:08,697 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 10:52:08,697 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 10:52:08,697 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 10:52:08,699 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:52:08" (1/1) ... [2024-11-19 10:52:08,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:52:08,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:52:08,727 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) [2024-11-19 10:52:08,730 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 [2024-11-19 10:52:08,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 10:52:08,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 10:52:08,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 10:52:08,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 10:52:08,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 10:52:08,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 10:52:08,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 10:52:08,845 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 10:52:08,847 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 10:52:09,158 INFO L? ?]: Removed 51 outVars from TransFormulas that were not future-live. [2024-11-19 10:52:09,159 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 10:52:09,171 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 10:52:09,172 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 10:52:09,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:52:09 BoogieIcfgContainer [2024-11-19 10:52:09,172 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 10:52:09,175 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 10:52:09,175 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 10:52:09,180 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 10:52:09,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:52:08" (1/3) ... [2024-11-19 10:52:09,180 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79bbb0c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:52:09, skipping insertion in model container [2024-11-19 10:52:09,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:52:08" (2/3) ... [2024-11-19 10:52:09,181 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79bbb0c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:52:09, skipping insertion in model container [2024-11-19 10:52:09,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:52:09" (3/3) ... [2024-11-19 10:52:09,184 INFO L112 eAbstractionObserver]: Analyzing ICFG hard2_valuebound2.c [2024-11-19 10:52:09,200 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 10:52:09,201 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2024-11-19 10:52:09,272 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 10:52:09,285 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;@70591d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 10:52:09,286 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-11-19 10:52:09,292 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 41 states have (on average 1.8048780487804879) internal successors, (74), 65 states have internal predecessors, (74), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-19 10:52:09,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-19 10:52:09,299 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:52:09,300 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:52:09,301 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:52:09,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:52:09,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1804971306, now seen corresponding path program 1 times [2024-11-19 10:52:09,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:52:09,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510080777] [2024-11-19 10:52:09,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:09,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:52:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:09,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:52:09,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:52:09,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510080777] [2024-11-19 10:52:09,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510080777] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:52:09,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:52:09,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:52:09,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371588534] [2024-11-19 10:52:09,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:52:09,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 10:52:09,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:52:09,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 10:52:09,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 10:52:09,503 INFO L87 Difference]: Start difference. First operand has 74 states, 41 states have (on average 1.8048780487804879) internal successors, (74), 65 states have internal predecessors, (74), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:52:09,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:52:09,524 INFO L93 Difference]: Finished difference Result 144 states and 178 transitions. [2024-11-19 10:52:09,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 10:52:09,526 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-19 10:52:09,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:52:09,532 INFO L225 Difference]: With dead ends: 144 [2024-11-19 10:52:09,532 INFO L226 Difference]: Without dead ends: 66 [2024-11-19 10:52:09,535 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 10:52:09,537 INFO L432 NwaCegarLoop]: 81 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, 81 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 [2024-11-19 10:52:09,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:52:09,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-19 10:52:09,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-19 10:52:09,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 36 states have (on average 1.7222222222222223) internal successors, (62), 59 states have internal predecessors, (62), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:52:09,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 72 transitions. [2024-11-19 10:52:09,581 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 72 transitions. Word has length 7 [2024-11-19 10:52:09,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:52:09,581 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 72 transitions. [2024-11-19 10:52:09,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:52:09,582 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2024-11-19 10:52:09,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-19 10:52:09,583 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:52:09,583 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:52:09,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 10:52:09,583 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:52:09,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:52:09,584 INFO L85 PathProgramCache]: Analyzing trace with hash -589934396, now seen corresponding path program 1 times [2024-11-19 10:52:09,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:52:09,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110957541] [2024-11-19 10:52:09,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:09,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:52:09,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:52:09,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1802269826] [2024-11-19 10:52:09,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:09,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:09,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:52:09,637 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) [2024-11-19 10:52:09,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 10:52:09,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:09,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:52:09,721 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:52:09,803 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:52:09,804 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:52:09,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:52:09,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110957541] [2024-11-19 10:52:09,805 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:52:09,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802269826] [2024-11-19 10:52:09,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1802269826] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:52:09,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:52:09,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:52:09,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185158383] [2024-11-19 10:52:09,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:52:09,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:52:09,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:52:09,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:52:09,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:52:09,814 INFO L87 Difference]: Start difference. First operand 66 states and 72 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-11-19 10:52:09,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:52:09,919 INFO L93 Difference]: Finished difference Result 138 states and 159 transitions. [2024-11-19 10:52:09,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:52:09,920 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 16 [2024-11-19 10:52:09,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:52:09,922 INFO L225 Difference]: With dead ends: 138 [2024-11-19 10:52:09,923 INFO L226 Difference]: Without dead ends: 89 [2024-11-19 10:52:09,924 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:52:09,925 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 16 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:52:09,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 97 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:52:09,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-19 10:52:09,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2024-11-19 10:52:09,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 52 states have (on average 1.6346153846153846) internal successors, (85), 75 states have internal predecessors, (85), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-19 10:52:09,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 105 transitions. [2024-11-19 10:52:09,949 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 105 transitions. Word has length 16 [2024-11-19 10:52:09,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:52:09,952 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 105 transitions. [2024-11-19 10:52:09,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-11-19 10:52:09,952 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 105 transitions. [2024-11-19 10:52:09,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-19 10:52:09,953 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:52:09,953 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:52:09,971 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 10:52:10,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:10,159 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:52:10,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:52:10,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1036301913, now seen corresponding path program 1 times [2024-11-19 10:52:10,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:52:10,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392131265] [2024-11-19 10:52:10,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:10,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:52:10,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:10,327 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 10:52:10,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:52:10,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392131265] [2024-11-19 10:52:10,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392131265] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:52:10,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:52:10,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:52:10,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682600403] [2024-11-19 10:52:10,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:52:10,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:52:10,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:52:10,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:52:10,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:52:10,332 INFO L87 Difference]: Start difference. First operand 87 states and 105 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 10:52:10,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:52:10,398 INFO L93 Difference]: Finished difference Result 97 states and 112 transitions. [2024-11-19 10:52:10,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:52:10,401 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2024-11-19 10:52:10,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:52:10,402 INFO L225 Difference]: With dead ends: 97 [2024-11-19 10:52:10,402 INFO L226 Difference]: Without dead ends: 95 [2024-11-19 10:52:10,402 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:52:10,403 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 17 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:52:10,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 108 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:52:10,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-19 10:52:10,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 87. [2024-11-19 10:52:10,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 52 states have (on average 1.5961538461538463) internal successors, (83), 75 states have internal predecessors, (83), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-19 10:52:10,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 103 transitions. [2024-11-19 10:52:10,420 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 103 transitions. Word has length 24 [2024-11-19 10:52:10,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:52:10,421 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 103 transitions. [2024-11-19 10:52:10,421 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 10:52:10,421 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 103 transitions. [2024-11-19 10:52:10,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-19 10:52:10,422 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:52:10,422 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:52:10,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 10:52:10,422 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:52:10,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:52:10,424 INFO L85 PathProgramCache]: Analyzing trace with hash 2060586917, now seen corresponding path program 1 times [2024-11-19 10:52:10,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:52:10,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989863813] [2024-11-19 10:52:10,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:10,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:52:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:52:10,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1136124961] [2024-11-19 10:52:10,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:10,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:10,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:52:10,445 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) [2024-11-19 10:52:10,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 10:52:10,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:10,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:52:10,494 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:52:10,515 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 10:52:10,515 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:52:10,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:52:10,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989863813] [2024-11-19 10:52:10,516 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:52:10,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1136124961] [2024-11-19 10:52:10,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1136124961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:52:10,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:52:10,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:52:10,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612623901] [2024-11-19 10:52:10,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:52:10,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:52:10,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:52:10,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:52:10,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:52:10,518 INFO L87 Difference]: Start difference. First operand 87 states and 103 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 10:52:10,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:52:10,614 INFO L93 Difference]: Finished difference Result 122 states and 147 transitions. [2024-11-19 10:52:10,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:52:10,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2024-11-19 10:52:10,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:52:10,616 INFO L225 Difference]: With dead ends: 122 [2024-11-19 10:52:10,616 INFO L226 Difference]: Without dead ends: 118 [2024-11-19 10:52:10,616 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:52:10,617 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 39 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:52:10,617 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 90 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:52:10,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-19 10:52:10,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 104. [2024-11-19 10:52:10,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 67 states have (on average 1.5820895522388059) internal successors, (106), 90 states have internal predecessors, (106), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-19 10:52:10,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 130 transitions. [2024-11-19 10:52:10,629 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 130 transitions. Word has length 25 [2024-11-19 10:52:10,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:52:10,630 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 130 transitions. [2024-11-19 10:52:10,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 10:52:10,630 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 130 transitions. [2024-11-19 10:52:10,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-19 10:52:10,631 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:52:10,631 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:52:10,645 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 10:52:10,831 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,SelfDestructingSolverStorable3 [2024-11-19 10:52:10,832 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:52:10,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:52:10,832 INFO L85 PathProgramCache]: Analyzing trace with hash 244106439, now seen corresponding path program 1 times [2024-11-19 10:52:10,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:52:10,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439944929] [2024-11-19 10:52:10,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:10,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:52:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:11,073 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 10:52:11,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:52:11,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439944929] [2024-11-19 10:52:11,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439944929] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:52:11,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:52:11,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 10:52:11,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970716067] [2024-11-19 10:52:11,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:52:11,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 10:52:11,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:52:11,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 10:52:11,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:52:11,075 INFO L87 Difference]: Start difference. First operand 104 states and 130 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 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) [2024-11-19 10:52:11,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:52:11,442 INFO L93 Difference]: Finished difference Result 120 states and 144 transitions. [2024-11-19 10:52:11,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:52:11,443 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 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 27 [2024-11-19 10:52:11,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:52:11,444 INFO L225 Difference]: With dead ends: 120 [2024-11-19 10:52:11,444 INFO L226 Difference]: Without dead ends: 119 [2024-11-19 10:52:11,444 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:52:11,446 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 225 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:52:11,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 110 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:52:11,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-19 10:52:11,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 108. [2024-11-19 10:52:11,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 71 states have (on average 1.5492957746478873) internal successors, (110), 94 states have internal predecessors, (110), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-19 10:52:11,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 134 transitions. [2024-11-19 10:52:11,460 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 134 transitions. Word has length 27 [2024-11-19 10:52:11,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:52:11,460 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 134 transitions. [2024-11-19 10:52:11,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 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) [2024-11-19 10:52:11,460 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 134 transitions. [2024-11-19 10:52:11,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-19 10:52:11,461 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:52:11,462 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:52:11,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 10:52:11,462 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:52:11,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:52:11,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1022634896, now seen corresponding path program 1 times [2024-11-19 10:52:11,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:52:11,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270847413] [2024-11-19 10:52:11,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:11,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:52:11,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:11,569 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 10:52:11,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:52:11,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270847413] [2024-11-19 10:52:11,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270847413] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:52:11,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:52:11,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:52:11,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153835870] [2024-11-19 10:52:11,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:52:11,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:52:11,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:52:11,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:52:11,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:52:11,572 INFO L87 Difference]: Start difference. First operand 108 states and 134 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 10:52:11,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:52:11,859 INFO L93 Difference]: Finished difference Result 120 states and 147 transitions. [2024-11-19 10:52:11,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:52:11,859 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2024-11-19 10:52:11,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:52:11,860 INFO L225 Difference]: With dead ends: 120 [2024-11-19 10:52:11,860 INFO L226 Difference]: Without dead ends: 119 [2024-11-19 10:52:11,860 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:52:11,861 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 51 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:52:11,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 159 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:52:11,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-19 10:52:11,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 114. [2024-11-19 10:52:11,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 77 states have (on average 1.4935064935064934) internal successors, (115), 100 states have internal predecessors, (115), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-19 10:52:11,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 139 transitions. [2024-11-19 10:52:11,875 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 139 transitions. Word has length 28 [2024-11-19 10:52:11,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:52:11,876 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 139 transitions. [2024-11-19 10:52:11,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 10:52:11,876 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 139 transitions. [2024-11-19 10:52:11,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-19 10:52:11,877 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:52:11,877 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:52:11,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 10:52:11,877 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:52:11,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:52:11,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1699862761, now seen corresponding path program 1 times [2024-11-19 10:52:11,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:52:11,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979590872] [2024-11-19 10:52:11,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:11,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:52:11,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:52:11,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [147253030] [2024-11-19 10:52:11,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:11,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:11,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:52:11,895 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) [2024-11-19 10:52:11,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 10:52:11,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:11,947 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:52:11,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:52:12,032 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 10:52:12,032 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:52:12,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:52:12,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979590872] [2024-11-19 10:52:12,033 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:52:12,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [147253030] [2024-11-19 10:52:12,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [147253030] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:52:12,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:52:12,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:52:12,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533249445] [2024-11-19 10:52:12,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:52:12,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:52:12,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:52:12,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:52:12,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:52:12,035 INFO L87 Difference]: Start difference. First operand 114 states and 139 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 10:52:12,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:52:12,123 INFO L93 Difference]: Finished difference Result 125 states and 154 transitions. [2024-11-19 10:52:12,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:52:12,124 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), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 39 [2024-11-19 10:52:12,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:52:12,126 INFO L225 Difference]: With dead ends: 125 [2024-11-19 10:52:12,127 INFO L226 Difference]: Without dead ends: 115 [2024-11-19 10:52:12,127 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:52:12,127 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 38 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:52:12,128 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 114 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:52:12,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-19 10:52:12,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-11-19 10:52:12,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 80 states have (on average 1.4125) internal successors, (113), 99 states have internal predecessors, (113), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-19 10:52:12,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 141 transitions. [2024-11-19 10:52:12,155 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 141 transitions. Word has length 39 [2024-11-19 10:52:12,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:52:12,156 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 141 transitions. [2024-11-19 10:52:12,156 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), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 10:52:12,156 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 141 transitions. [2024-11-19 10:52:12,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-19 10:52:12,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:52:12,157 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:52:12,175 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 10:52:12,357 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 [2024-11-19 10:52:12,358 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:52:12,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:52:12,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1156138093, now seen corresponding path program 1 times [2024-11-19 10:52:12,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:52:12,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212030533] [2024-11-19 10:52:12,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:12,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:52:12,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:52:12,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [925047214] [2024-11-19 10:52:12,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:12,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:12,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:52:12,373 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) [2024-11-19 10:52:12,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 10:52:12,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:12,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:52:12,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:52:12,518 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 10:52:12,518 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:52:12,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:52:12,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212030533] [2024-11-19 10:52:12,910 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:52:12,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925047214] [2024-11-19 10:52:12,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [925047214] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:52:12,910 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:52:12,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-19 10:52:12,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434785256] [2024-11-19 10:52:12,911 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:52:12,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:52:12,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:52:12,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:52:12,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:52:12,912 INFO L87 Difference]: Start difference. First operand 115 states and 141 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 10:52:13,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:52:13,067 INFO L93 Difference]: Finished difference Result 191 states and 246 transitions. [2024-11-19 10:52:13,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:52:13,068 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 40 [2024-11-19 10:52:13,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:52:13,070 INFO L225 Difference]: With dead ends: 191 [2024-11-19 10:52:13,070 INFO L226 Difference]: Without dead ends: 187 [2024-11-19 10:52:13,070 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:52:13,071 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 43 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:52:13,071 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 125 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:52:13,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-19 10:52:13,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 175. [2024-11-19 10:52:13,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 131 states have (on average 1.4198473282442747) internal successors, (186), 150 states have internal predecessors, (186), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-19 10:52:13,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 232 transitions. [2024-11-19 10:52:13,095 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 232 transitions. Word has length 40 [2024-11-19 10:52:13,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:52:13,096 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 232 transitions. [2024-11-19 10:52:13,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 10:52:13,096 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 232 transitions. [2024-11-19 10:52:13,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-19 10:52:13,097 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:52:13,097 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:52:13,117 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-19 10:52:13,301 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 [2024-11-19 10:52:13,302 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:52:13,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:52:13,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1891489937, now seen corresponding path program 1 times [2024-11-19 10:52:13,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:52:13,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035278265] [2024-11-19 10:52:13,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:13,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:52:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:13,446 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 10:52:13,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:52:13,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035278265] [2024-11-19 10:52:13,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035278265] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:52:13,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:52:13,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 10:52:13,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735095984] [2024-11-19 10:52:13,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:52:13,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 10:52:13,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:52:13,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 10:52:13,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:52:13,449 INFO L87 Difference]: Start difference. First operand 175 states and 232 transitions. Second operand has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 7 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 10:52:13,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:52:13,768 INFO L93 Difference]: Finished difference Result 187 states and 244 transitions. [2024-11-19 10:52:13,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:52:13,769 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 7 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 44 [2024-11-19 10:52:13,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:52:13,770 INFO L225 Difference]: With dead ends: 187 [2024-11-19 10:52:13,770 INFO L226 Difference]: Without dead ends: 186 [2024-11-19 10:52:13,770 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:52:13,771 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 197 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:52:13,771 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 117 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:52:13,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-19 10:52:13,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 176. [2024-11-19 10:52:13,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 132 states have (on average 1.4166666666666667) internal successors, (187), 151 states have internal predecessors, (187), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-19 10:52:13,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 233 transitions. [2024-11-19 10:52:13,790 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 233 transitions. Word has length 44 [2024-11-19 10:52:13,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:52:13,790 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 233 transitions. [2024-11-19 10:52:13,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 7 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 10:52:13,791 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 233 transitions. [2024-11-19 10:52:13,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-19 10:52:13,792 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:52:13,792 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:52:13,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 10:52:13,794 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:52:13,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:52:13,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1493353966, now seen corresponding path program 1 times [2024-11-19 10:52:13,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:52:13,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292409888] [2024-11-19 10:52:13,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:13,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:52:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:13,909 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 10:52:13,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:52:13,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292409888] [2024-11-19 10:52:13,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292409888] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:52:13,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:52:13,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:52:13,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624584019] [2024-11-19 10:52:13,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:52:13,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:52:13,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:52:13,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:52:13,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:52:13,913 INFO L87 Difference]: Start difference. First operand 176 states and 233 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 10:52:14,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:52:14,055 INFO L93 Difference]: Finished difference Result 181 states and 237 transitions. [2024-11-19 10:52:14,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:52:14,055 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2024-11-19 10:52:14,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:52:14,057 INFO L225 Difference]: With dead ends: 181 [2024-11-19 10:52:14,057 INFO L226 Difference]: Without dead ends: 166 [2024-11-19 10:52:14,057 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:52:14,058 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 4 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:52:14,058 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 164 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:52:14,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-19 10:52:14,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2024-11-19 10:52:14,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 124 states have (on average 1.435483870967742) internal successors, (178), 143 states have internal predecessors, (178), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-19 10:52:14,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 220 transitions. [2024-11-19 10:52:14,075 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 220 transitions. Word has length 45 [2024-11-19 10:52:14,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:52:14,076 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 220 transitions. [2024-11-19 10:52:14,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 10:52:14,076 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 220 transitions. [2024-11-19 10:52:14,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-19 10:52:14,077 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:52:14,077 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:52:14,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 10:52:14,078 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:52:14,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:52:14,078 INFO L85 PathProgramCache]: Analyzing trace with hash -467908226, now seen corresponding path program 1 times [2024-11-19 10:52:14,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:52:14,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777862613] [2024-11-19 10:52:14,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:14,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:52:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:14,142 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-19 10:52:14,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:52:14,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777862613] [2024-11-19 10:52:14,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777862613] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:52:14,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1944359425] [2024-11-19 10:52:14,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:14,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:14,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:52:14,145 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) [2024-11-19 10:52:14,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 10:52:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:14,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:52:14,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:52:14,230 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-19 10:52:14,230 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:52:14,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1944359425] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:52:14,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:52:14,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-19 10:52:14,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228390200] [2024-11-19 10:52:14,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:52:14,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:52:14,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:52:14,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:52:14,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:52:14,232 INFO L87 Difference]: Start difference. First operand 166 states and 220 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-19 10:52:14,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:52:14,321 INFO L93 Difference]: Finished difference Result 250 states and 341 transitions. [2024-11-19 10:52:14,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:52:14,321 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 47 [2024-11-19 10:52:14,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:52:14,323 INFO L225 Difference]: With dead ends: 250 [2024-11-19 10:52:14,323 INFO L226 Difference]: Without dead ends: 248 [2024-11-19 10:52:14,324 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:52:14,324 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 58 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:52:14,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 115 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:52:14,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-19 10:52:14,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 227. [2024-11-19 10:52:14,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 178 states have (on average 1.4438202247191012) internal successors, (257), 196 states have internal predecessors, (257), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-19 10:52:14,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 315 transitions. [2024-11-19 10:52:14,346 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 315 transitions. Word has length 47 [2024-11-19 10:52:14,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:52:14,347 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 315 transitions. [2024-11-19 10:52:14,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-19 10:52:14,347 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 315 transitions. [2024-11-19 10:52:14,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-19 10:52:14,348 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:52:14,348 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:52:14,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-19 10:52:14,552 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,SelfDestructingSolverStorable10 [2024-11-19 10:52:14,553 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:52:14,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:52:14,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1620253054, now seen corresponding path program 1 times [2024-11-19 10:52:14,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:52:14,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847334639] [2024-11-19 10:52:14,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:14,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:52:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:14,622 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-19 10:52:14,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:52:14,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847334639] [2024-11-19 10:52:14,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847334639] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:52:14,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [681564357] [2024-11-19 10:52:14,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:14,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:14,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:52:14,628 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) [2024-11-19 10:52:14,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 10:52:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:14,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:52:14,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:52:14,733 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-19 10:52:14,734 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:52:14,798 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-19 10:52:14,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [681564357] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:52:14,798 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:52:14,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-19 10:52:14,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969107920] [2024-11-19 10:52:14,799 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:52:14,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 10:52:14,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:52:14,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 10:52:14,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:52:14,800 INFO L87 Difference]: Start difference. First operand 227 states and 315 transitions. Second operand has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-19 10:52:14,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:52:14,960 INFO L93 Difference]: Finished difference Result 375 states and 514 transitions. [2024-11-19 10:52:14,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:52:14,961 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 48 [2024-11-19 10:52:14,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:52:14,963 INFO L225 Difference]: With dead ends: 375 [2024-11-19 10:52:14,963 INFO L226 Difference]: Without dead ends: 373 [2024-11-19 10:52:14,963 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:52:14,964 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 102 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:52:14,964 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 232 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:52:14,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-11-19 10:52:14,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 327. [2024-11-19 10:52:14,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 262 states have (on average 1.4427480916030535) internal successors, (378), 280 states have internal predecessors, (378), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-19 10:52:14,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 468 transitions. [2024-11-19 10:52:14,990 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 468 transitions. Word has length 48 [2024-11-19 10:52:14,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:52:14,991 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 468 transitions. [2024-11-19 10:52:14,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-19 10:52:14,992 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 468 transitions. [2024-11-19 10:52:14,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-19 10:52:14,994 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:52:14,994 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:52:15,011 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-19 10:52:15,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:15,195 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:52:15,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:52:15,196 INFO L85 PathProgramCache]: Analyzing trace with hash 2137738517, now seen corresponding path program 1 times [2024-11-19 10:52:15,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:52:15,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197450110] [2024-11-19 10:52:15,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:15,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:52:15,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:52:15,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2121995327] [2024-11-19 10:52:15,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:15,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:15,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:52:15,208 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) [2024-11-19 10:52:15,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 10:52:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:15,278 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:52:15,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:52:15,372 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-19 10:52:15,372 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:52:15,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:52:15,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197450110] [2024-11-19 10:52:15,373 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:52:15,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2121995327] [2024-11-19 10:52:15,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2121995327] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:52:15,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:52:15,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:52:15,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139723010] [2024-11-19 10:52:15,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:52:15,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:52:15,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:52:15,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:52:15,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:52:15,375 INFO L87 Difference]: Start difference. First operand 327 states and 468 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 10:52:15,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:52:15,492 INFO L93 Difference]: Finished difference Result 346 states and 493 transitions. [2024-11-19 10:52:15,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:52:15,493 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 51 [2024-11-19 10:52:15,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:52:15,495 INFO L225 Difference]: With dead ends: 346 [2024-11-19 10:52:15,495 INFO L226 Difference]: Without dead ends: 340 [2024-11-19 10:52:15,495 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:52:15,495 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 104 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:52:15,496 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 81 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:52:15,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-19 10:52:15,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 324. [2024-11-19 10:52:15,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 259 states have (on average 1.4131274131274132) internal successors, (366), 277 states have internal predecessors, (366), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-19 10:52:15,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 456 transitions. [2024-11-19 10:52:15,518 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 456 transitions. Word has length 51 [2024-11-19 10:52:15,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:52:15,519 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 456 transitions. [2024-11-19 10:52:15,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 10:52:15,519 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 456 transitions. [2024-11-19 10:52:15,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-19 10:52:15,520 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:52:15,520 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-19 10:52:15,536 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-19 10:52:15,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:15,721 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:52:15,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:52:15,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1874334318, now seen corresponding path program 2 times [2024-11-19 10:52:15,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:52:15,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876750073] [2024-11-19 10:52:15,722 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:52:15,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:52:15,736 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:52:15,736 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:52:15,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [335815465] [2024-11-19 10:52:15,737 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:52:15,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:15,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:52:15,740 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) [2024-11-19 10:52:15,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-19 10:52:15,807 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:52:15,807 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:52:15,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 10:52:15,810 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:52:15,920 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-19 10:52:15,920 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:52:16,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:52:16,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876750073] [2024-11-19 10:52:16,228 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:52:16,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [335815465] [2024-11-19 10:52:16,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [335815465] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:52:16,228 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:52:16,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-19 10:52:16,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628747007] [2024-11-19 10:52:16,228 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:52:16,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:52:16,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:52:16,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:52:16,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:52:16,229 INFO L87 Difference]: Start difference. First operand 324 states and 456 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-19 10:52:16,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:52:16,429 INFO L93 Difference]: Finished difference Result 419 states and 587 transitions. [2024-11-19 10:52:16,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:52:16,429 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 63 [2024-11-19 10:52:16,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:52:16,432 INFO L225 Difference]: With dead ends: 419 [2024-11-19 10:52:16,432 INFO L226 Difference]: Without dead ends: 415 [2024-11-19 10:52:16,432 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:52:16,433 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 66 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:52:16,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 143 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:52:16,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-11-19 10:52:16,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 324. [2024-11-19 10:52:16,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 259 states have (on average 1.4054054054054055) internal successors, (364), 277 states have internal predecessors, (364), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-19 10:52:16,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 454 transitions. [2024-11-19 10:52:16,464 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 454 transitions. Word has length 63 [2024-11-19 10:52:16,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:52:16,464 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 454 transitions. [2024-11-19 10:52:16,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-19 10:52:16,464 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 454 transitions. [2024-11-19 10:52:16,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-19 10:52:16,465 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:52:16,465 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-11-19 10:52:16,484 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-19 10:52:16,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-19 10:52:16,670 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:52:16,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:52:16,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1822751055, now seen corresponding path program 1 times [2024-11-19 10:52:16,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:52:16,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980394614] [2024-11-19 10:52:16,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:16,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:52:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:16,710 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-19 10:52:16,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:52:16,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980394614] [2024-11-19 10:52:16,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980394614] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:52:16,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:52:16,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:52:16,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747633742] [2024-11-19 10:52:16,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:52:16,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:52:16,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:52:16,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:52:16,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:52:16,712 INFO L87 Difference]: Start difference. First operand 324 states and 454 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-19 10:52:16,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:52:16,789 INFO L93 Difference]: Finished difference Result 324 states and 454 transitions. [2024-11-19 10:52:16,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:52:16,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 70 [2024-11-19 10:52:16,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:52:16,791 INFO L225 Difference]: With dead ends: 324 [2024-11-19 10:52:16,791 INFO L226 Difference]: Without dead ends: 323 [2024-11-19 10:52:16,792 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:52:16,792 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 2 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:52:16,793 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 99 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:52:16,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-19 10:52:16,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323. [2024-11-19 10:52:16,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 259 states have (on average 1.3822393822393821) internal successors, (358), 276 states have internal predecessors, (358), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-19 10:52:16,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 448 transitions. [2024-11-19 10:52:16,812 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 448 transitions. Word has length 70 [2024-11-19 10:52:16,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:52:16,812 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 448 transitions. [2024-11-19 10:52:16,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-19 10:52:16,812 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 448 transitions. [2024-11-19 10:52:16,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-19 10:52:16,813 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:52:16,813 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:52:16,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 10:52:16,813 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:52:16,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:52:16,814 INFO L85 PathProgramCache]: Analyzing trace with hash -670707744, now seen corresponding path program 1 times [2024-11-19 10:52:16,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:52:16,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95116821] [2024-11-19 10:52:16,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:16,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:52:16,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:16,988 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-19 10:52:16,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:52:16,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95116821] [2024-11-19 10:52:16,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95116821] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:52:16,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [913069225] [2024-11-19 10:52:16,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:16,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:16,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:52:16,991 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) [2024-11-19 10:52:16,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-19 10:52:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:17,046 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 10:52:17,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:52:17,186 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-19 10:52:17,186 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:52:17,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [913069225] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:52:17,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:52:17,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-19 10:52:17,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510940925] [2024-11-19 10:52:17,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:52:17,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:52:17,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:52:17,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:52:17,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:52:17,188 INFO L87 Difference]: Start difference. First operand 323 states and 448 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-19 10:52:17,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:52:17,301 INFO L93 Difference]: Finished difference Result 341 states and 463 transitions. [2024-11-19 10:52:17,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:52:17,301 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 71 [2024-11-19 10:52:17,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:52:17,303 INFO L225 Difference]: With dead ends: 341 [2024-11-19 10:52:17,303 INFO L226 Difference]: Without dead ends: 340 [2024-11-19 10:52:17,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:52:17,304 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 124 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:52:17,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 128 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:52:17,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-19 10:52:17,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 323. [2024-11-19 10:52:17,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 259 states have (on average 1.3706563706563706) internal successors, (355), 276 states have internal predecessors, (355), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-19 10:52:17,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 445 transitions. [2024-11-19 10:52:17,326 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 445 transitions. Word has length 71 [2024-11-19 10:52:17,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:52:17,327 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 445 transitions. [2024-11-19 10:52:17,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-19 10:52:17,327 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 445 transitions. [2024-11-19 10:52:17,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-19 10:52:17,328 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:52:17,328 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:52:17,344 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-19 10:52:17,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-19 10:52:17,529 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:52:17,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:52:17,529 INFO L85 PathProgramCache]: Analyzing trace with hash 682896531, now seen corresponding path program 1 times [2024-11-19 10:52:17,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:52:17,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371730218] [2024-11-19 10:52:17,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:17,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:52:17,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:17,644 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-19 10:52:17,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:52:17,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371730218] [2024-11-19 10:52:17,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371730218] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:52:17,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803712795] [2024-11-19 10:52:17,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:17,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:17,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:52:17,647 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) [2024-11-19 10:52:17,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-19 10:52:17,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:17,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:52:17,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:52:17,856 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-19 10:52:17,856 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:52:17,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1803712795] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:52:17,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:52:17,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-19 10:52:17,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288204539] [2024-11-19 10:52:17,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:52:17,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:52:17,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:52:17,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:52:17,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:52:17,859 INFO L87 Difference]: Start difference. First operand 323 states and 445 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-19 10:52:18,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:52:18,006 INFO L93 Difference]: Finished difference Result 342 states and 466 transitions. [2024-11-19 10:52:18,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:52:18,006 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), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 72 [2024-11-19 10:52:18,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:52:18,008 INFO L225 Difference]: With dead ends: 342 [2024-11-19 10:52:18,008 INFO L226 Difference]: Without dead ends: 341 [2024-11-19 10:52:18,009 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:52:18,009 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 52 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:52:18,009 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 97 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:52:18,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-11-19 10:52:18,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 332. [2024-11-19 10:52:18,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 268 states have (on average 1.3582089552238805) internal successors, (364), 285 states have internal predecessors, (364), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-19 10:52:18,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 454 transitions. [2024-11-19 10:52:18,036 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 454 transitions. Word has length 72 [2024-11-19 10:52:18,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:52:18,037 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 454 transitions. [2024-11-19 10:52:18,037 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), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-19 10:52:18,037 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 454 transitions. [2024-11-19 10:52:18,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-19 10:52:18,038 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:52:18,038 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:52:18,054 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-19 10:52:18,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-19 10:52:18,239 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:52:18,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:52:18,240 INFO L85 PathProgramCache]: Analyzing trace with hash -305043902, now seen corresponding path program 1 times [2024-11-19 10:52:18,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:52:18,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311168027] [2024-11-19 10:52:18,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:18,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:52:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:18,353 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-19 10:52:18,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:52:18,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311168027] [2024-11-19 10:52:18,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311168027] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:52:18,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861637443] [2024-11-19 10:52:18,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:18,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:18,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:52:18,356 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) [2024-11-19 10:52:18,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-19 10:52:18,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:18,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:52:18,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:52:18,514 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-19 10:52:18,515 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:52:18,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [861637443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:52:18,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:52:18,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-19 10:52:18,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726847210] [2024-11-19 10:52:18,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:52:18,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:52:18,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:52:18,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:52:18,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:52:18,516 INFO L87 Difference]: Start difference. First operand 332 states and 454 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-19 10:52:18,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:52:18,692 INFO L93 Difference]: Finished difference Result 341 states and 460 transitions. [2024-11-19 10:52:18,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:52:18,692 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 73 [2024-11-19 10:52:18,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:52:18,694 INFO L225 Difference]: With dead ends: 341 [2024-11-19 10:52:18,694 INFO L226 Difference]: Without dead ends: 339 [2024-11-19 10:52:18,695 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:52:18,695 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 27 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:52:18,695 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 102 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:52:18,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-19 10:52:18,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 335. [2024-11-19 10:52:18,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 271 states have (on average 1.3284132841328413) internal successors, (360), 288 states have internal predecessors, (360), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-19 10:52:18,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 450 transitions. [2024-11-19 10:52:18,736 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 450 transitions. Word has length 73 [2024-11-19 10:52:18,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:52:18,736 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 450 transitions. [2024-11-19 10:52:18,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-19 10:52:18,737 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 450 transitions. [2024-11-19 10:52:18,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-19 10:52:18,737 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:52:18,737 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:52:18,755 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-19 10:52:18,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-19 10:52:18,938 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:52:18,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:52:18,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1089411164, now seen corresponding path program 1 times [2024-11-19 10:52:18,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:52:18,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735286099] [2024-11-19 10:52:18,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:18,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:52:18,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:52:18,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [56719131] [2024-11-19 10:52:18,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:18,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:18,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:52:18,965 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) [2024-11-19 10:52:18,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-19 10:52:19,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:19,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 10:52:19,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:52:19,259 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-19 10:52:19,260 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:52:19,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:52:19,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735286099] [2024-11-19 10:52:19,790 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:52:19,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56719131] [2024-11-19 10:52:19,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56719131] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:52:19,790 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:52:19,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-19 10:52:19,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471959067] [2024-11-19 10:52:19,791 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:52:19,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:52:19,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:52:19,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:52:19,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:52:19,792 INFO L87 Difference]: Start difference. First operand 335 states and 450 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-19 10:52:19,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:52:19,942 INFO L93 Difference]: Finished difference Result 419 states and 576 transitions. [2024-11-19 10:52:19,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:52:19,943 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 75 [2024-11-19 10:52:19,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:52:19,945 INFO L225 Difference]: With dead ends: 419 [2024-11-19 10:52:19,945 INFO L226 Difference]: Without dead ends: 418 [2024-11-19 10:52:19,945 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:52:19,947 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 74 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:52:19,947 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 110 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:52:19,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-11-19 10:52:19,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 395. [2024-11-19 10:52:19,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 325 states have (on average 1.3446153846153845) internal successors, (437), 342 states have internal predecessors, (437), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-19 10:52:19,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 539 transitions. [2024-11-19 10:52:19,980 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 539 transitions. Word has length 75 [2024-11-19 10:52:19,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:52:19,980 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 539 transitions. [2024-11-19 10:52:19,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-19 10:52:19,981 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 539 transitions. [2024-11-19 10:52:19,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-19 10:52:19,981 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:52:19,981 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:52:19,998 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-19 10:52:20,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:20,182 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:52:20,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:52:20,182 INFO L85 PathProgramCache]: Analyzing trace with hash 587992367, now seen corresponding path program 1 times [2024-11-19 10:52:20,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:52:20,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049775755] [2024-11-19 10:52:20,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:20,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:52:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:52:20,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [753727648] [2024-11-19 10:52:20,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:20,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:20,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:52:20,202 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) [2024-11-19 10:52:20,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-19 10:52:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:20,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 10:52:20,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:52:20,435 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-19 10:52:20,435 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:52:21,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:52:21,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049775755] [2024-11-19 10:52:21,569 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:52:21,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753727648] [2024-11-19 10:52:21,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [753727648] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:52:21,570 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:52:21,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-19 10:52:21,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168302398] [2024-11-19 10:52:21,570 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:52:21,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:52:21,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:52:21,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:52:21,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:52:21,571 INFO L87 Difference]: Start difference. First operand 395 states and 539 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-19 10:52:21,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:52:21,693 INFO L93 Difference]: Finished difference Result 399 states and 539 transitions. [2024-11-19 10:52:21,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:52:21,694 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 76 [2024-11-19 10:52:21,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:52:21,695 INFO L225 Difference]: With dead ends: 399 [2024-11-19 10:52:21,696 INFO L226 Difference]: Without dead ends: 396 [2024-11-19 10:52:21,696 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:52:21,696 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 53 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:52:21,697 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 71 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:52:21,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-19 10:52:21,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 393. [2024-11-19 10:52:21,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 325 states have (on average 1.2738461538461539) internal successors, (414), 340 states have internal predecessors, (414), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-19 10:52:21,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 516 transitions. [2024-11-19 10:52:21,727 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 516 transitions. Word has length 76 [2024-11-19 10:52:21,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:52:21,727 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 516 transitions. [2024-11-19 10:52:21,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-19 10:52:21,728 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 516 transitions. [2024-11-19 10:52:21,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-19 10:52:21,728 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:52:21,728 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:52:21,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-19 10:52:21,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2024-11-19 10:52:21,933 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:52:21,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:52:21,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1047894278, now seen corresponding path program 1 times [2024-11-19 10:52:21,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:52:21,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016682438] [2024-11-19 10:52:21,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:21,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:52:21,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:22,040 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-19 10:52:22,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:52:22,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016682438] [2024-11-19 10:52:22,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016682438] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:52:22,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:52:22,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:52:22,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577667980] [2024-11-19 10:52:22,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:52:22,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:52:22,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:52:22,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:52:22,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:52:22,042 INFO L87 Difference]: Start difference. First operand 393 states and 516 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-19 10:52:22,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:52:22,352 INFO L93 Difference]: Finished difference Result 395 states and 516 transitions. [2024-11-19 10:52:22,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:52:22,353 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 77 [2024-11-19 10:52:22,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:52:22,355 INFO L225 Difference]: With dead ends: 395 [2024-11-19 10:52:22,356 INFO L226 Difference]: Without dead ends: 394 [2024-11-19 10:52:22,356 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:52:22,357 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 49 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:52:22,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 151 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:52:22,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-11-19 10:52:22,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 392. [2024-11-19 10:52:22,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 325 states have (on average 1.2461538461538462) internal successors, (405), 339 states have internal predecessors, (405), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-19 10:52:22,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 507 transitions. [2024-11-19 10:52:22,401 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 507 transitions. Word has length 77 [2024-11-19 10:52:22,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:52:22,402 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 507 transitions. [2024-11-19 10:52:22,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-19 10:52:22,402 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 507 transitions. [2024-11-19 10:52:22,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-19 10:52:22,403 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:52:22,403 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:52:22,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-19 10:52:22,404 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:52:22,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:52:22,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1875015663, now seen corresponding path program 1 times [2024-11-19 10:52:22,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:52:22,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565956517] [2024-11-19 10:52:22,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:22,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:52:22,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:22,569 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-19 10:52:22,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:52:22,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565956517] [2024-11-19 10:52:22,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565956517] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:52:22,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288986509] [2024-11-19 10:52:22,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:22,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:22,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:52:22,572 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) [2024-11-19 10:52:22,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-19 10:52:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:22,626 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-19 10:52:22,627 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:52:22,984 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-19 10:52:22,984 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:52:23,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1288986509] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:52:23,716 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:52:23,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-19 10:52:23,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300133715] [2024-11-19 10:52:23,716 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:52:23,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-19 10:52:23,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:52:23,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-19 10:52:23,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2024-11-19 10:52:23,718 INFO L87 Difference]: Start difference. First operand 392 states and 507 transitions. Second operand has 16 states, 15 states have (on average 5.066666666666666) internal successors, (76), 16 states have internal predecessors, (76), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-19 10:52:25,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:52:25,046 INFO L93 Difference]: Finished difference Result 686 states and 911 transitions. [2024-11-19 10:52:25,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-19 10:52:25,047 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.066666666666666) internal successors, (76), 16 states have internal predecessors, (76), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 78 [2024-11-19 10:52:25,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:52:25,051 INFO L225 Difference]: With dead ends: 686 [2024-11-19 10:52:25,051 INFO L226 Difference]: Without dead ends: 681 [2024-11-19 10:52:25,051 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=307, Invalid=1099, Unknown=0, NotChecked=0, Total=1406 [2024-11-19 10:52:25,052 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 462 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 717 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-19 10:52:25,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 281 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 717 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-19 10:52:25,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2024-11-19 10:52:25,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 528. [2024-11-19 10:52:25,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 445 states have (on average 1.2382022471910112) internal successors, (551), 459 states have internal predecessors, (551), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-19 10:52:25,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 685 transitions. [2024-11-19 10:52:25,094 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 685 transitions. Word has length 78 [2024-11-19 10:52:25,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:52:25,094 INFO L471 AbstractCegarLoop]: Abstraction has 528 states and 685 transitions. [2024-11-19 10:52:25,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.066666666666666) internal successors, (76), 16 states have internal predecessors, (76), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-19 10:52:25,095 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 685 transitions. [2024-11-19 10:52:25,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-19 10:52:25,096 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:52:25,096 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:52:25,113 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-19 10:52:25,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:25,301 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:52:25,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:52:25,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1822396848, now seen corresponding path program 1 times [2024-11-19 10:52:25,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:52:25,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212855577] [2024-11-19 10:52:25,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:25,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:52:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:52:25,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [439741489] [2024-11-19 10:52:25,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:25,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:25,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:52:25,323 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) [2024-11-19 10:52:25,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-19 10:52:25,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:25,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-19 10:52:25,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:52:25,679 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 3 proven. 41 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-19 10:52:25,679 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:52:26,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:52:26,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212855577] [2024-11-19 10:52:26,114 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:52:26,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439741489] [2024-11-19 10:52:26,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [439741489] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:52:26,115 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:52:26,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-19 10:52:26,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023154558] [2024-11-19 10:52:26,115 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:52:26,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 10:52:26,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:52:26,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 10:52:26,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-11-19 10:52:26,117 INFO L87 Difference]: Start difference. First operand 528 states and 685 transitions. Second operand has 11 states, 10 states have (on average 4.8) internal successors, (48), 11 states have internal predecessors, (48), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-19 10:52:26,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:52:26,550 INFO L93 Difference]: Finished difference Result 548 states and 697 transitions. [2024-11-19 10:52:26,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 10:52:26,551 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.8) internal successors, (48), 11 states have internal predecessors, (48), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 92 [2024-11-19 10:52:26,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:52:26,554 INFO L225 Difference]: With dead ends: 548 [2024-11-19 10:52:26,554 INFO L226 Difference]: Without dead ends: 426 [2024-11-19 10:52:26,555 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-19 10:52:26,557 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 17 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 681 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:52:26,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 230 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 681 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 10:52:26,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-11-19 10:52:26,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 424. [2024-11-19 10:52:26,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 353 states have (on average 1.226628895184136) internal successors, (433), 367 states have internal predecessors, (433), 55 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-19 10:52:26,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 543 transitions. [2024-11-19 10:52:26,607 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 543 transitions. Word has length 92 [2024-11-19 10:52:26,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:52:26,607 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 543 transitions. [2024-11-19 10:52:26,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.8) internal successors, (48), 11 states have internal predecessors, (48), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-19 10:52:26,608 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 543 transitions. [2024-11-19 10:52:26,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-19 10:52:26,609 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:52:26,609 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:52:26,626 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-19 10:52:26,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:26,814 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:52:26,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:52:26,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1023289906, now seen corresponding path program 1 times [2024-11-19 10:52:26,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:52:26,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749493784] [2024-11-19 10:52:26,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:26,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:52:26,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:26,912 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-11-19 10:52:26,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:52:26,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749493784] [2024-11-19 10:52:26,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749493784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:52:26,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:52:26,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:52:26,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631232492] [2024-11-19 10:52:26,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:52:26,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:52:26,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:52:26,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:52:26,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:52:26,914 INFO L87 Difference]: Start difference. First operand 424 states and 543 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-19 10:52:27,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:52:27,353 INFO L93 Difference]: Finished difference Result 426 states and 543 transitions. [2024-11-19 10:52:27,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:52:27,353 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 94 [2024-11-19 10:52:27,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:52:27,356 INFO L225 Difference]: With dead ends: 426 [2024-11-19 10:52:27,356 INFO L226 Difference]: Without dead ends: 393 [2024-11-19 10:52:27,356 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:52:27,357 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 22 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:52:27,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 187 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:52:27,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-19 10:52:27,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 391. [2024-11-19 10:52:27,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 325 states have (on average 1.24) internal successors, (403), 338 states have internal predecessors, (403), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-19 10:52:27,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 505 transitions. [2024-11-19 10:52:27,387 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 505 transitions. Word has length 94 [2024-11-19 10:52:27,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:52:27,387 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 505 transitions. [2024-11-19 10:52:27,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-19 10:52:27,387 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 505 transitions. [2024-11-19 10:52:27,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-19 10:52:27,388 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:52:27,388 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1] [2024-11-19 10:52:27,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-19 10:52:27,389 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:52:27,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:52:27,389 INFO L85 PathProgramCache]: Analyzing trace with hash 187458724, now seen corresponding path program 1 times [2024-11-19 10:52:27,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:52:27,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308528710] [2024-11-19 10:52:27,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:27,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:52:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:27,465 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-19 10:52:27,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:52:27,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308528710] [2024-11-19 10:52:27,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308528710] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:52:27,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212795734] [2024-11-19 10:52:27,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:27,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:27,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:52:27,468 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) [2024-11-19 10:52:27,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-19 10:52:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:27,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:52:27,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:52:27,586 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-19 10:52:27,587 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:52:27,699 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-19 10:52:27,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212795734] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:52:27,700 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:52:27,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-19 10:52:27,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972761682] [2024-11-19 10:52:27,700 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:52:27,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 10:52:27,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:52:27,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 10:52:27,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:52:27,701 INFO L87 Difference]: Start difference. First operand 391 states and 505 transitions. Second operand has 11 states, 10 states have (on average 8.1) internal successors, (81), 11 states have internal predecessors, (81), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-19 10:52:28,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:52:28,024 INFO L93 Difference]: Finished difference Result 797 states and 1028 transitions. [2024-11-19 10:52:28,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 10:52:28,025 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.1) internal successors, (81), 11 states have internal predecessors, (81), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 96 [2024-11-19 10:52:28,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:52:28,032 INFO L225 Difference]: With dead ends: 797 [2024-11-19 10:52:28,032 INFO L226 Difference]: Without dead ends: 795 [2024-11-19 10:52:28,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:52:28,033 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 312 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:52:28,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 362 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:52:28,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2024-11-19 10:52:28,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 541. [2024-11-19 10:52:28,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 451 states have (on average 1.2439024390243902) internal successors, (561), 464 states have internal predecessors, (561), 75 states have call successors, (75), 1 states have call predecessors, (75), 1 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-19 10:52:28,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 711 transitions. [2024-11-19 10:52:28,082 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 711 transitions. Word has length 96 [2024-11-19 10:52:28,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:52:28,082 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 711 transitions. [2024-11-19 10:52:28,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.1) internal successors, (81), 11 states have internal predecessors, (81), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-19 10:52:28,082 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 711 transitions. [2024-11-19 10:52:28,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-19 10:52:28,087 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:52:28,088 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:52:28,105 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-19 10:52:28,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-19 10:52:28,288 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:52:28,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:52:28,289 INFO L85 PathProgramCache]: Analyzing trace with hash 360263030, now seen corresponding path program 2 times [2024-11-19 10:52:28,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:52:28,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373182121] [2024-11-19 10:52:28,289 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:52:28,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:52:28,301 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:52:28,302 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:52:28,568 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-19 10:52:28,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:52:28,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373182121] [2024-11-19 10:52:28,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373182121] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:52:28,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [531508331] [2024-11-19 10:52:28,569 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:52:28,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:28,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:52:28,571 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) [2024-11-19 10:52:28,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-19 10:52:28,635 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:52:28,636 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:52:28,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-19 10:52:28,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:52:29,255 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-19 10:52:29,256 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:52:30,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [531508331] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:52:30,373 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:52:30,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 19 [2024-11-19 10:52:30,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206053005] [2024-11-19 10:52:30,374 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:52:30,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-19 10:52:30,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:52:30,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-19 10:52:30,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=470, Unknown=0, NotChecked=0, Total=552 [2024-11-19 10:52:30,375 INFO L87 Difference]: Start difference. First operand 541 states and 711 transitions. Second operand has 20 states, 19 states have (on average 4.947368421052632) internal successors, (94), 20 states have internal predecessors, (94), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-19 10:52:31,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:52:31,267 INFO L93 Difference]: Finished difference Result 657 states and 851 transitions. [2024-11-19 10:52:31,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-19 10:52:31,268 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 4.947368421052632) internal successors, (94), 20 states have internal predecessors, (94), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 101 [2024-11-19 10:52:31,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:52:31,270 INFO L225 Difference]: With dead ends: 657 [2024-11-19 10:52:31,270 INFO L226 Difference]: Without dead ends: 253 [2024-11-19 10:52:31,272 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=407, Invalid=1573, Unknown=0, NotChecked=0, Total=1980 [2024-11-19 10:52:31,272 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 456 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 764 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:52:31,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [456 Valid, 294 Invalid, 856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 764 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 10:52:31,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-11-19 10:52:31,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 203. [2024-11-19 10:52:31,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 166 states have (on average 1.1987951807228916) internal successors, (199), 174 states have internal predecessors, (199), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-19 10:52:31,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 253 transitions. [2024-11-19 10:52:31,290 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 253 transitions. Word has length 101 [2024-11-19 10:52:31,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:52:31,291 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 253 transitions. [2024-11-19 10:52:31,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 4.947368421052632) internal successors, (94), 20 states have internal predecessors, (94), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-19 10:52:31,291 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 253 transitions. [2024-11-19 10:52:31,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-19 10:52:31,292 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:52:31,292 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:52:31,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-19 10:52:31,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-19 10:52:31,493 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:52:31,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:52:31,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1268236555, now seen corresponding path program 2 times [2024-11-19 10:52:31,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:52:31,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626137613] [2024-11-19 10:52:31,494 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:52:31,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:52:31,511 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:52:31,512 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:52:31,674 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-19 10:52:31,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:52:31,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626137613] [2024-11-19 10:52:31,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626137613] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:52:31,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209567951] [2024-11-19 10:52:31,674 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:52:31,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:31,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:52:31,676 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) [2024-11-19 10:52:31,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-19 10:52:31,739 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:52:31,739 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:52:31,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:52:31,742 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:52:31,809 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-19 10:52:31,809 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:52:31,923 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-19 10:52:31,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209567951] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:52:31,924 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:52:31,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2024-11-19 10:52:31,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244255868] [2024-11-19 10:52:31,924 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:52:31,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 10:52:31,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:52:31,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 10:52:31,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:52:31,925 INFO L87 Difference]: Start difference. First operand 203 states and 253 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 6 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) [2024-11-19 10:52:32,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:52:32,013 INFO L93 Difference]: Finished difference Result 210 states and 259 transitions. [2024-11-19 10:52:32,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:52:32,014 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 6 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) Word has length 115 [2024-11-19 10:52:32,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:52:32,015 INFO L225 Difference]: With dead ends: 210 [2024-11-19 10:52:32,015 INFO L226 Difference]: Without dead ends: 203 [2024-11-19 10:52:32,015 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 225 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:52:32,016 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 29 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:52:32,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 221 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:52:32,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-19 10:52:32,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2024-11-19 10:52:32,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 166 states have (on average 1.1927710843373494) internal successors, (198), 174 states have internal predecessors, (198), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-19 10:52:32,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 252 transitions. [2024-11-19 10:52:32,033 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 252 transitions. Word has length 115 [2024-11-19 10:52:32,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:52:32,034 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 252 transitions. [2024-11-19 10:52:32,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 6 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) [2024-11-19 10:52:32,034 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 252 transitions. [2024-11-19 10:52:32,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-19 10:52:32,035 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:52:32,035 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:52:32,053 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-19 10:52:32,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-19 10:52:32,237 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:52:32,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:52:32,237 INFO L85 PathProgramCache]: Analyzing trace with hash -217823301, now seen corresponding path program 1 times [2024-11-19 10:52:32,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:52:32,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337779206] [2024-11-19 10:52:32,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:32,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:52:32,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:32,469 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-19 10:52:32,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:52:32,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337779206] [2024-11-19 10:52:32,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337779206] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:52:32,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [283740586] [2024-11-19 10:52:32,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:32,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:32,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:52:32,473 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) [2024-11-19 10:52:32,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-19 10:52:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:32,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 10:52:32,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:52:32,862 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 22 proven. 18 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-19 10:52:32,863 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:52:33,235 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 25 proven. 15 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-19 10:52:33,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [283740586] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:52:33,236 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:52:33,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2024-11-19 10:52:33,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078167919] [2024-11-19 10:52:33,237 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:52:33,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-19 10:52:33,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:52:33,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-19 10:52:33,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=364, Unknown=0, NotChecked=0, Total=462 [2024-11-19 10:52:33,239 INFO L87 Difference]: Start difference. First operand 203 states and 252 transitions. Second operand has 22 states, 21 states have (on average 7.476190476190476) internal successors, (157), 22 states have internal predecessors, (157), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-19 10:52:33,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:52:33,656 INFO L93 Difference]: Finished difference Result 262 states and 321 transitions. [2024-11-19 10:52:33,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 10:52:33,657 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 7.476190476190476) internal successors, (157), 22 states have internal predecessors, (157), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 117 [2024-11-19 10:52:33,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:52:33,658 INFO L225 Difference]: With dead ends: 262 [2024-11-19 10:52:33,658 INFO L226 Difference]: Without dead ends: 171 [2024-11-19 10:52:33,658 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=298, Invalid=824, Unknown=0, NotChecked=0, Total=1122 [2024-11-19 10:52:33,659 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 402 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:52:33,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 414 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:52:33,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-19 10:52:33,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 165. [2024-11-19 10:52:33,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 132 states have (on average 1.2045454545454546) internal successors, (159), 140 states have internal predecessors, (159), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-19 10:52:33,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 205 transitions. [2024-11-19 10:52:33,674 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 205 transitions. Word has length 117 [2024-11-19 10:52:33,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:52:33,675 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 205 transitions. [2024-11-19 10:52:33,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 7.476190476190476) internal successors, (157), 22 states have internal predecessors, (157), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-19 10:52:33,675 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 205 transitions. [2024-11-19 10:52:33,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-19 10:52:33,676 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:52:33,676 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:52:33,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-19 10:52:33,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:33,881 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:52:33,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:52:33,881 INFO L85 PathProgramCache]: Analyzing trace with hash -927071534, now seen corresponding path program 1 times [2024-11-19 10:52:33,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:52:33,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859729194] [2024-11-19 10:52:33,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:33,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:52:33,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:34,090 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 15 proven. 18 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2024-11-19 10:52:34,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:52:34,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859729194] [2024-11-19 10:52:34,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859729194] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:52:34,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1180007266] [2024-11-19 10:52:34,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:34,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:34,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:52:34,093 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) [2024-11-19 10:52:34,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-19 10:52:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:34,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 10:52:34,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:52:34,426 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 25 proven. 18 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-19 10:52:34,426 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:52:36,864 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-19 10:52:36,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1180007266] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:52:36,864 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:52:36,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 8] total 20 [2024-11-19 10:52:36,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102938738] [2024-11-19 10:52:36,864 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:52:36,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-19 10:52:36,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:52:36,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-19 10:52:36,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2024-11-19 10:52:36,866 INFO L87 Difference]: Start difference. First operand 165 states and 205 transitions. Second operand has 21 states, 20 states have (on average 8.1) internal successors, (162), 21 states have internal predecessors, (162), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2024-11-19 10:52:37,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:52:37,046 INFO L93 Difference]: Finished difference Result 168 states and 208 transitions. [2024-11-19 10:52:37,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 10:52:37,047 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 8.1) internal successors, (162), 21 states have internal predecessors, (162), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) Word has length 122 [2024-11-19 10:52:37,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:52:37,048 INFO L225 Difference]: With dead ends: 168 [2024-11-19 10:52:37,048 INFO L226 Difference]: Without dead ends: 167 [2024-11-19 10:52:37,049 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=204, Invalid=396, Unknown=0, NotChecked=0, Total=600 [2024-11-19 10:52:37,049 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 68 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:52:37,049 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 251 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:52:37,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-19 10:52:37,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 164. [2024-11-19 10:52:37,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 132 states have (on average 1.1893939393939394) internal successors, (157), 139 states have internal predecessors, (157), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-19 10:52:37,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 203 transitions. [2024-11-19 10:52:37,065 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 203 transitions. Word has length 122 [2024-11-19 10:52:37,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:52:37,065 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 203 transitions. [2024-11-19 10:52:37,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 8.1) internal successors, (162), 21 states have internal predecessors, (162), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2024-11-19 10:52:37,066 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 203 transitions. [2024-11-19 10:52:37,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-19 10:52:37,067 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:52:37,067 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:52:37,084 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-19 10:52:37,267 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,SelfDestructingSolverStorable28 [2024-11-19 10:52:37,268 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:52:37,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:52:37,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1325553635, now seen corresponding path program 1 times [2024-11-19 10:52:37,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:52:37,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776338609] [2024-11-19 10:52:37,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:37,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:52:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:37,539 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-19 10:52:37,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:52:37,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776338609] [2024-11-19 10:52:37,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776338609] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:52:37,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165701134] [2024-11-19 10:52:37,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:37,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:37,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:52:37,544 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) [2024-11-19 10:52:37,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-19 10:52:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:37,606 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-19 10:52:37,608 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:52:37,869 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-19 10:52:37,869 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:52:39,287 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-19 10:52:39,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [165701134] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:52:39,288 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:52:39,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2024-11-19 10:52:39,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452581191] [2024-11-19 10:52:39,288 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:52:39,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-19 10:52:39,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:52:39,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-19 10:52:39,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=298, Unknown=0, NotChecked=0, Total=462 [2024-11-19 10:52:39,289 INFO L87 Difference]: Start difference. First operand 164 states and 203 transitions. Second operand has 22 states, 21 states have (on average 8.142857142857142) internal successors, (171), 22 states have internal predecessors, (171), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-19 10:52:39,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:52:39,878 INFO L93 Difference]: Finished difference Result 294 states and 370 transitions. [2024-11-19 10:52:39,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 10:52:39,879 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 8.142857142857142) internal successors, (171), 22 states have internal predecessors, (171), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 123 [2024-11-19 10:52:39,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:52:39,880 INFO L225 Difference]: With dead ends: 294 [2024-11-19 10:52:39,880 INFO L226 Difference]: Without dead ends: 293 [2024-11-19 10:52:39,881 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=282, Invalid=474, Unknown=0, NotChecked=0, Total=756 [2024-11-19 10:52:39,881 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 259 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:52:39,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 450 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 10:52:39,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-19 10:52:39,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 240. [2024-11-19 10:52:39,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 200 states have (on average 1.225) internal successors, (245), 207 states have internal predecessors, (245), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-19 10:52:39,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 307 transitions. [2024-11-19 10:52:39,905 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 307 transitions. Word has length 123 [2024-11-19 10:52:39,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:52:39,905 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 307 transitions. [2024-11-19 10:52:39,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 8.142857142857142) internal successors, (171), 22 states have internal predecessors, (171), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-19 10:52:39,906 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 307 transitions. [2024-11-19 10:52:39,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-19 10:52:39,906 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:52:39,907 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 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, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-19 10:52:39,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-19 10:52:40,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:40,108 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:52:40,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:52:40,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1748241147, now seen corresponding path program 2 times [2024-11-19 10:52:40,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:52:40,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788121416] [2024-11-19 10:52:40,109 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:52:40,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:52:40,133 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:52:40,133 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:52:40,475 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 17 proven. 31 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-19 10:52:40,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:52:40,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788121416] [2024-11-19 10:52:40,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788121416] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:52:40,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167951709] [2024-11-19 10:52:40,476 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:52:40,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:40,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:52:40,478 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) [2024-11-19 10:52:40,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-19 10:52:40,523 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 10:52:40,524 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:52:40,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:52:40,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:52:40,629 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2024-11-19 10:52:40,629 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:52:40,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [167951709] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:52:40,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:52:40,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 12 [2024-11-19 10:52:40,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685789817] [2024-11-19 10:52:40,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:52:40,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:52:40,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:52:40,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:52:40,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:52:40,631 INFO L87 Difference]: Start difference. First operand 240 states and 307 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-19 10:52:40,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:52:40,745 INFO L93 Difference]: Finished difference Result 240 states and 307 transitions. [2024-11-19 10:52:40,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:52:40,745 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 125 [2024-11-19 10:52:40,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:52:40,746 INFO L225 Difference]: With dead ends: 240 [2024-11-19 10:52:40,746 INFO L226 Difference]: Without dead ends: 239 [2024-11-19 10:52:40,747 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 124 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-19 10:52:40,747 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 50 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:52:40,747 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 79 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:52:40,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-19 10:52:40,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2024-11-19 10:52:40,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 200 states have (on average 1.185) internal successors, (237), 206 states have internal predecessors, (237), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-19 10:52:40,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 299 transitions. [2024-11-19 10:52:40,775 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 299 transitions. Word has length 125 [2024-11-19 10:52:40,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:52:40,775 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 299 transitions. [2024-11-19 10:52:40,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-19 10:52:40,775 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 299 transitions. [2024-11-19 10:52:40,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-19 10:52:40,782 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:52:40,782 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:52:40,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-19 10:52:40,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:40,983 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:52:40,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:52:40,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1413407113, now seen corresponding path program 1 times [2024-11-19 10:52:40,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:52:40,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884617832] [2024-11-19 10:52:40,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:40,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:52:41,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:52:41,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [518214961] [2024-11-19 10:52:41,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:41,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:41,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:52:41,026 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) [2024-11-19 10:52:41,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-19 10:52:41,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:41,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-19 10:52:41,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:52:41,411 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-19 10:52:41,411 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:52:41,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:52:41,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884617832] [2024-11-19 10:52:41,935 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:52:41,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518214961] [2024-11-19 10:52:41,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [518214961] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:52:41,935 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:52:41,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-19 10:52:41,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557914314] [2024-11-19 10:52:41,936 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:52:41,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 10:52:41,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:52:41,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 10:52:41,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2024-11-19 10:52:41,937 INFO L87 Difference]: Start difference. First operand 239 states and 299 transitions. Second operand has 12 states, 11 states have (on average 6.0) internal successors, (66), 12 states have internal predecessors, (66), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-19 10:52:42,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:52:42,250 INFO L93 Difference]: Finished difference Result 265 states and 330 transitions. [2024-11-19 10:52:42,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 10:52:42,251 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.0) internal successors, (66), 12 states have internal predecessors, (66), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 138 [2024-11-19 10:52:42,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:52:42,252 INFO L225 Difference]: With dead ends: 265 [2024-11-19 10:52:42,252 INFO L226 Difference]: Without dead ends: 263 [2024-11-19 10:52:42,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2024-11-19 10:52:42,253 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 15 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 698 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:52:42,253 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 234 Invalid, 699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 698 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:52:42,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2024-11-19 10:52:42,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 255. [2024-11-19 10:52:42,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 214 states have (on average 1.1822429906542056) internal successors, (253), 220 states have internal predecessors, (253), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-19 10:52:42,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 319 transitions. [2024-11-19 10:52:42,284 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 319 transitions. Word has length 138 [2024-11-19 10:52:42,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:52:42,285 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 319 transitions. [2024-11-19 10:52:42,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.0) internal successors, (66), 12 states have internal predecessors, (66), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-19 10:52:42,285 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 319 transitions. [2024-11-19 10:52:42,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-19 10:52:42,287 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:52:42,287 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:52:42,304 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-19 10:52:42,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:42,488 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:52:42,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:52:42,488 INFO L85 PathProgramCache]: Analyzing trace with hash 865947670, now seen corresponding path program 1 times [2024-11-19 10:52:42,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:52:42,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740558677] [2024-11-19 10:52:42,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:42,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:52:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:52:42,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [223952668] [2024-11-19 10:52:42,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:42,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:42,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:52:42,522 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) [2024-11-19 10:52:42,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-19 10:52:42,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:42,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-19 10:52:42,604 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:52:43,038 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-19 10:52:43,039 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:52:44,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:52:44,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740558677] [2024-11-19 10:52:44,007 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:52:44,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [223952668] [2024-11-19 10:52:44,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [223952668] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:52:44,007 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:52:44,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2024-11-19 10:52:44,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568575690] [2024-11-19 10:52:44,007 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:52:44,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-19 10:52:44,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:52:44,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-19 10:52:44,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-11-19 10:52:44,008 INFO L87 Difference]: Start difference. First operand 255 states and 319 transitions. Second operand has 15 states, 14 states have (on average 4.785714285714286) internal successors, (67), 15 states have internal predecessors, (67), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-19 10:52:44,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:52:44,396 INFO L93 Difference]: Finished difference Result 266 states and 330 transitions. [2024-11-19 10:52:44,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-19 10:52:44,396 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.785714285714286) internal successors, (67), 15 states have internal predecessors, (67), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 139 [2024-11-19 10:52:44,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:52:44,397 INFO L225 Difference]: With dead ends: 266 [2024-11-19 10:52:44,397 INFO L226 Difference]: Without dead ends: 265 [2024-11-19 10:52:44,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=134, Invalid=328, Unknown=0, NotChecked=0, Total=462 [2024-11-19 10:52:44,398 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 24 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 932 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:52:44,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 329 Invalid, 939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 932 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:52:44,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2024-11-19 10:52:44,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 256. [2024-11-19 10:52:44,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 215 states have (on average 1.1813953488372093) internal successors, (254), 221 states have internal predecessors, (254), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-19 10:52:44,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 320 transitions. [2024-11-19 10:52:44,423 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 320 transitions. Word has length 139 [2024-11-19 10:52:44,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:52:44,423 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 320 transitions. [2024-11-19 10:52:44,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.785714285714286) internal successors, (67), 15 states have internal predecessors, (67), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-19 10:52:44,424 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 320 transitions. [2024-11-19 10:52:44,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-19 10:52:44,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:52:44,424 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:52:44,441 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-19 10:52:44,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:44,629 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:52:44,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:52:44,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1047940424, now seen corresponding path program 1 times [2024-11-19 10:52:44,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:52:44,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678843540] [2024-11-19 10:52:44,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:44,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:52:44,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:44,920 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-19 10:52:44,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:52:44,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678843540] [2024-11-19 10:52:44,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678843540] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:52:44,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561675276] [2024-11-19 10:52:44,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:44,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:44,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:52:44,923 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) [2024-11-19 10:52:44,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-19 10:52:44,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:44,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-19 10:52:45,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:52:45,184 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-19 10:52:45,185 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:52:45,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1561675276] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:52:45,351 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:52:45,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 14 [2024-11-19 10:52:45,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691104086] [2024-11-19 10:52:45,351 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:52:45,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-19 10:52:45,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:52:45,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-19 10:52:45,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-19 10:52:45,353 INFO L87 Difference]: Start difference. First operand 256 states and 320 transitions. Second operand has 15 states, 14 states have (on average 8.0) internal successors, (112), 15 states have internal predecessors, (112), 7 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) [2024-11-19 10:52:45,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:52:45,932 INFO L93 Difference]: Finished difference Result 371 states and 467 transitions. [2024-11-19 10:52:45,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-19 10:52:45,933 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.0) internal successors, (112), 15 states have internal predecessors, (112), 7 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) Word has length 141 [2024-11-19 10:52:45,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:52:45,935 INFO L225 Difference]: With dead ends: 371 [2024-11-19 10:52:45,935 INFO L226 Difference]: Without dead ends: 361 [2024-11-19 10:52:45,935 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 143 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2024-11-19 10:52:45,936 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 198 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:52:45,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 616 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 10:52:45,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-11-19 10:52:45,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 272. [2024-11-19 10:52:45,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 229 states have (on average 1.1746724890829694) internal successors, (269), 235 states have internal predecessors, (269), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-19 10:52:45,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 339 transitions. [2024-11-19 10:52:45,961 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 339 transitions. Word has length 141 [2024-11-19 10:52:45,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:52:45,963 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 339 transitions. [2024-11-19 10:52:45,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.0) internal successors, (112), 15 states have internal predecessors, (112), 7 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) [2024-11-19 10:52:45,967 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 339 transitions. [2024-11-19 10:52:45,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-19 10:52:45,968 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:52:45,968 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:52:45,988 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-19 10:52:46,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-19 10:52:46,169 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:52:46,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:52:46,169 INFO L85 PathProgramCache]: Analyzing trace with hash -876105969, now seen corresponding path program 3 times [2024-11-19 10:52:46,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:52:46,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505116539] [2024-11-19 10:52:46,170 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:52:46,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:52:46,209 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-19 10:52:46,209 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:52:46,487 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 24 proven. 40 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-19 10:52:46,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:52:46,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505116539] [2024-11-19 10:52:46,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505116539] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:52:46,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204074580] [2024-11-19 10:52:46,488 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:52:46,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:46,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:52:46,490 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) [2024-11-19 10:52:46,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-19 10:52:46,546 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-19 10:52:46,547 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:52:46,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-19 10:52:46,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:52:46,719 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-11-19 10:52:46,720 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:52:46,936 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-11-19 10:52:46,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [204074580] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-19 10:52:46,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:52:46,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10, 7] total 20 [2024-11-19 10:52:46,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343895400] [2024-11-19 10:52:46,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:52:46,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 10:52:46,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:52:46,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 10:52:46,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2024-11-19 10:52:46,939 INFO L87 Difference]: Start difference. First operand 272 states and 339 transitions. Second operand has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-19 10:52:47,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:52:47,398 INFO L93 Difference]: Finished difference Result 272 states and 339 transitions. [2024-11-19 10:52:47,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:52:47,399 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 142 [2024-11-19 10:52:47,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:52:47,400 INFO L225 Difference]: With dead ends: 272 [2024-11-19 10:52:47,400 INFO L226 Difference]: Without dead ends: 270 [2024-11-19 10:52:47,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 276 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2024-11-19 10:52:47,400 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 89 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:52:47,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 69 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 10:52:47,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-11-19 10:52:47,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 270. [2024-11-19 10:52:47,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 228 states have (on average 1.162280701754386) internal successors, (265), 233 states have internal predecessors, (265), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-19 10:52:47,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 335 transitions. [2024-11-19 10:52:47,430 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 335 transitions. Word has length 142 [2024-11-19 10:52:47,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:52:47,431 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 335 transitions. [2024-11-19 10:52:47,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-19 10:52:47,431 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 335 transitions. [2024-11-19 10:52:47,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-19 10:52:47,432 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:52:47,432 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-19 10:52:47,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-19 10:52:47,633 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,SelfDestructingSolverStorable34 [2024-11-19 10:52:47,633 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:52:47,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:52:47,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1875257947, now seen corresponding path program 1 times [2024-11-19 10:52:47,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:52:47,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76616100] [2024-11-19 10:52:47,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:47,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:52:47,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:47,981 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-19 10:52:47,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:52:47,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76616100] [2024-11-19 10:52:47,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76616100] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:52:47,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237143103] [2024-11-19 10:52:47,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:52:47,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:47,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:52:47,984 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) [2024-11-19 10:52:47,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-19 10:52:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:52:48,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-19 10:52:48,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:52:48,526 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-19 10:52:48,527 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:52:51,308 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-19 10:52:51,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237143103] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:52:51,309 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:52:51,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 9] total 33 [2024-11-19 10:52:51,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212830870] [2024-11-19 10:52:51,309 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:52:51,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-19 10:52:51,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:52:51,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-19 10:52:51,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=945, Unknown=0, NotChecked=0, Total=1122 [2024-11-19 10:52:51,311 INFO L87 Difference]: Start difference. First operand 270 states and 335 transitions. Second operand has 34 states, 33 states have (on average 6.666666666666667) internal successors, (220), 34 states have internal predecessors, (220), 16 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 16 states have call predecessors, (45), 16 states have call successors, (45) [2024-11-19 10:52:51,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:52:51,972 INFO L93 Difference]: Finished difference Result 282 states and 350 transitions. [2024-11-19 10:52:51,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-19 10:52:51,973 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 6.666666666666667) internal successors, (220), 34 states have internal predecessors, (220), 16 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 16 states have call predecessors, (45), 16 states have call successors, (45) Word has length 148 [2024-11-19 10:52:51,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:52:51,974 INFO L225 Difference]: With dead ends: 282 [2024-11-19 10:52:51,974 INFO L226 Difference]: Without dead ends: 280 [2024-11-19 10:52:51,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 274 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 442 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=499, Invalid=1853, Unknown=0, NotChecked=0, Total=2352 [2024-11-19 10:52:51,975 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 635 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 775 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 635 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:52:51,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [635 Valid, 427 Invalid, 905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 775 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 10:52:51,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-11-19 10:52:52,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 259. [2024-11-19 10:52:52,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 219 states have (on average 1.1095890410958904) internal successors, (243), 222 states have internal predecessors, (243), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-19 10:52:52,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 313 transitions. [2024-11-19 10:52:52,007 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 313 transitions. Word has length 148 [2024-11-19 10:52:52,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:52:52,008 INFO L471 AbstractCegarLoop]: Abstraction has 259 states and 313 transitions. [2024-11-19 10:52:52,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 6.666666666666667) internal successors, (220), 34 states have internal predecessors, (220), 16 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 16 states have call predecessors, (45), 16 states have call successors, (45) [2024-11-19 10:52:52,008 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 313 transitions. [2024-11-19 10:52:52,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-19 10:52:52,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:52:52,009 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-19 10:52:52,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-19 10:52:52,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-19 10:52:52,210 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:52:52,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:52:52,210 INFO L85 PathProgramCache]: Analyzing trace with hash -747340490, now seen corresponding path program 3 times [2024-11-19 10:52:52,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:52:52,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813559056] [2024-11-19 10:52:52,210 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:52:52,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:52:52,243 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-19 10:52:52,243 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:52:52,647 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-19 10:52:52,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:52:52,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813559056] [2024-11-19 10:52:52,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813559056] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:52:52,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450855323] [2024-11-19 10:52:52,647 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:52:52,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:52,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:52:52,649 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) [2024-11-19 10:52:52,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-19 10:52:52,710 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-19 10:52:52,710 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:52:52,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-19 10:52:52,714 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:52:53,134 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2024-11-19 10:52:53,134 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:52:53,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450855323] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:52:53,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:52:53,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [16] total 25 [2024-11-19 10:52:53,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435650323] [2024-11-19 10:52:53,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:52:53,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 10:52:53,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:52:53,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 10:52:53,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2024-11-19 10:52:53,137 INFO L87 Difference]: Start difference. First operand 259 states and 313 transitions. Second operand has 11 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-19 10:52:53,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:52:53,318 INFO L93 Difference]: Finished difference Result 259 states and 313 transitions. [2024-11-19 10:52:53,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 10:52:53,318 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 155 [2024-11-19 10:52:53,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:52:53,320 INFO L225 Difference]: With dead ends: 259 [2024-11-19 10:52:53,320 INFO L226 Difference]: Without dead ends: 258 [2024-11-19 10:52:53,320 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2024-11-19 10:52:53,321 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 21 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:52:53,321 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 84 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:52:53,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-11-19 10:52:53,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 209. [2024-11-19 10:52:53,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 176 states have (on average 1.0852272727272727) internal successors, (191), 178 states have internal predecessors, (191), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-19 10:52:53,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 249 transitions. [2024-11-19 10:52:53,349 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 249 transitions. Word has length 155 [2024-11-19 10:52:53,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:52:53,350 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 249 transitions. [2024-11-19 10:52:53,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-19 10:52:53,350 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 249 transitions. [2024-11-19 10:52:53,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-19 10:52:53,351 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:52:53,351 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:52:53,368 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-19 10:52:53,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:53,551 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-19 10:52:53,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:52:53,552 INFO L85 PathProgramCache]: Analyzing trace with hash 773486250, now seen corresponding path program 2 times [2024-11-19 10:52:53,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:52:53,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349099562] [2024-11-19 10:52:53,552 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:52:53,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:52:53,565 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:52:53,566 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:52:53,825 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 40 proven. 60 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-19 10:52:53,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:52:53,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349099562] [2024-11-19 10:52:53,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349099562] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:52:53,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [244111828] [2024-11-19 10:52:53,826 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:52:53,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:52:53,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:52:53,828 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) [2024-11-19 10:52:53,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-19 10:52:53,947 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:52:53,948 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:52:53,949 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-19 10:52:53,952 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:52:54,371 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 202 proven. 60 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2024-11-19 10:52:54,371 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:52:54,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [244111828] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:52:54,599 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:52:54,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 16] total 20 [2024-11-19 10:52:54,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737165762] [2024-11-19 10:52:54,600 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:52:54,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-19 10:52:54,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:52:54,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-19 10:52:54,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=460, Unknown=0, NotChecked=0, Total=552 [2024-11-19 10:52:54,601 INFO L87 Difference]: Start difference. First operand 209 states and 249 transitions. Second operand has 20 states, 20 states have (on average 7.2) internal successors, (144), 20 states have internal predecessors, (144), 9 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (34), 9 states have call predecessors, (34), 9 states have call successors, (34) [2024-11-19 10:52:55,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:52:55,021 INFO L93 Difference]: Finished difference Result 215 states and 254 transitions. [2024-11-19 10:52:55,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-19 10:52:55,021 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 7.2) internal successors, (144), 20 states have internal predecessors, (144), 9 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (34), 9 states have call predecessors, (34), 9 states have call successors, (34) Word has length 162 [2024-11-19 10:52:55,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:52:55,022 INFO L225 Difference]: With dead ends: 215 [2024-11-19 10:52:55,022 INFO L226 Difference]: Without dead ends: 0 [2024-11-19 10:52:55,023 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=143, Invalid=727, Unknown=0, NotChecked=0, Total=870 [2024-11-19 10:52:55,023 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 24 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 904 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:52:55,023 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 278 Invalid, 917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 904 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:52:55,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-19 10:52:55,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-19 10:52:55,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:52:55,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-19 10:52:55,024 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 162 [2024-11-19 10:52:55,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:52:55,024 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 10:52:55,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 7.2) internal successors, (144), 20 states have internal predecessors, (144), 9 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (34), 9 states have call predecessors, (34), 9 states have call successors, (34) [2024-11-19 10:52:55,024 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-19 10:52:55,024 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-19 10:52:55,028 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 24 remaining) [2024-11-19 10:52:55,028 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 24 remaining) [2024-11-19 10:52:55,028 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 24 remaining) [2024-11-19 10:52:55,029 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 24 remaining) [2024-11-19 10:52:55,029 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 24 remaining) [2024-11-19 10:52:55,029 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 24 remaining) [2024-11-19 10:52:55,029 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 24 remaining) [2024-11-19 10:52:55,029 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 24 remaining) [2024-11-19 10:52:55,029 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 24 remaining) [2024-11-19 10:52:55,029 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 24 remaining) [2024-11-19 10:52:55,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 24 remaining) [2024-11-19 10:52:55,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 24 remaining) [2024-11-19 10:52:55,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 24 remaining) [2024-11-19 10:52:55,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 24 remaining) [2024-11-19 10:52:55,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 24 remaining) [2024-11-19 10:52:55,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 24 remaining) [2024-11-19 10:52:55,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 24 remaining) [2024-11-19 10:52:55,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 24 remaining) [2024-11-19 10:52:55,031 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 24 remaining) [2024-11-19 10:52:55,031 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 24 remaining) [2024-11-19 10:52:55,031 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 24 remaining) [2024-11-19 10:52:55,031 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 24 remaining) [2024-11-19 10:52:55,031 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 24 remaining) [2024-11-19 10:52:55,031 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 24 remaining) [2024-11-19 10:52:55,040 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-19 10:52:55,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-19 10:52:55,238 INFO L407 BasicCegarLoop]: Path program histogram: [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:52:55,240 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-19 10:52:55,908 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 10:52:55,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 10:52:55 BoogieIcfgContainer [2024-11-19 10:52:55,931 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 10:52:55,932 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 10:52:55,932 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 10:52:55,932 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 10:52:55,932 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:52:09" (3/4) ... [2024-11-19 10:52:55,936 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 10:52:55,941 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-19 10:52:55,946 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-19 10:52:55,946 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-19 10:52:55,946 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-19 10:52:55,946 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 10:52:55,947 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 10:52:56,050 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 10:52:56,050 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 10:52:56,051 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 10:52:56,051 INFO L158 Benchmark]: Toolchain (without parser) took 47683.34ms. Allocated memory was 142.6MB in the beginning and 413.1MB in the end (delta: 270.5MB). Free memory was 88.6MB in the beginning and 295.9MB in the end (delta: -207.3MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB. [2024-11-19 10:52:56,051 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 142.6MB. Free memory is still 114.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 10:52:56,051 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.93ms. Allocated memory is still 142.6MB. Free memory was 88.4MB in the beginning and 75.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 10:52:56,051 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.86ms. Allocated memory is still 142.6MB. Free memory was 75.8MB in the beginning and 73.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 10:52:56,052 INFO L158 Benchmark]: Boogie Preprocessor took 38.03ms. Allocated memory is still 142.6MB. Free memory was 73.9MB in the beginning and 72.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 10:52:56,052 INFO L158 Benchmark]: RCFGBuilder took 475.59ms. Allocated memory was 142.6MB in the beginning and 197.1MB in the end (delta: 54.5MB). Free memory was 72.2MB in the beginning and 160.5MB in the end (delta: -88.3MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2024-11-19 10:52:56,052 INFO L158 Benchmark]: TraceAbstraction took 46756.41ms. Allocated memory was 197.1MB in the beginning and 413.1MB in the end (delta: 216.0MB). Free memory was 160.5MB in the beginning and 302.2MB in the end (delta: -141.7MB). Peak memory consumption was 242.1MB. Max. memory is 16.1GB. [2024-11-19 10:52:56,052 INFO L158 Benchmark]: Witness Printer took 118.98ms. Allocated memory is still 413.1MB. Free memory was 302.2MB in the beginning and 295.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-19 10:52:56,053 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 142.6MB. Free memory is still 114.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.93ms. Allocated memory is still 142.6MB. Free memory was 88.4MB in the beginning and 75.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.86ms. Allocated memory is still 142.6MB. Free memory was 75.8MB in the beginning and 73.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.03ms. Allocated memory is still 142.6MB. Free memory was 73.9MB in the beginning and 72.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 475.59ms. Allocated memory was 142.6MB in the beginning and 197.1MB in the end (delta: 54.5MB). Free memory was 72.2MB in the beginning and 160.5MB in the end (delta: -88.3MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * TraceAbstraction took 46756.41ms. Allocated memory was 197.1MB in the beginning and 413.1MB in the end (delta: 216.0MB). Free memory was 160.5MB in the beginning and 302.2MB in the end (delta: -141.7MB). Peak memory consumption was 242.1MB. Max. memory is 16.1GB. * Witness Printer took 118.98ms. Allocated memory is still 413.1MB. Free memory was 302.2MB in the beginning and 295.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 74 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 46.0s, OverallIterations: 38, TraceHistogramMax: 17, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 11.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4542 SdHoareTripleChecker+Valid, 8.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4424 mSDsluCounter, 7300 SdHoareTripleChecker+Invalid, 7.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5303 mSDsCounter, 714 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9662 IncrementalHoareTripleChecker+Invalid, 10376 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 714 mSolverCounterUnsat, 1997 mSDtfsCounter, 9662 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4104 GetRequests, 3620 SyntacticMatches, 10 SemanticMatches, 474 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2352 ImplicationChecksByTransitivity, 7.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=541occurred in iteration=25, InterpolantAutomatonStates: 333, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 38 MinimizatonAttempts, 993 StatesRemovedByMinimization, 30 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 24.9s InterpolantComputationTime, 5796 NumberOfCodeBlocks, 5495 NumberOfCodeBlocksAsserted, 90 NumberOfCheckSat, 5889 ConstructedInterpolants, 0 QuantifiedInterpolants, 34489 SizeOfPredicates, 36 NumberOfNonLiveVariables, 5322 ConjunctsInSsa, 324 ConjunctsInUnsatCore, 64 InterpolantComputations, 20 PerfectInterpolantSequences, 14720/16233 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 24 specifications checked. All of them hold - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: (((((((((((2 == p) && (r == 0)) && (2 == q)) && (A <= 2)) && (B == 1)) && (0 <= A)) && (2 == d)) || (((((((p == 4) && (q == 0)) && (A <= 2)) && (d == 4)) && (2 == r)) && (B == 1)) && (0 <= A))) || (((((((d == 1) && (p == 1)) && (r == 0)) && (q == 0)) && (A <= 2)) && (B == 1)) && (0 <= A))) || ((((((((d == 1) && (1 <= q)) && (p == 1)) && (r == 0)) && (A <= 2)) && (B == 1)) && (q <= 2147483647)) && (0 <= A))) || ((((((((r <= 1) && (2 == p)) && (0 <= r)) && (q == 0)) && (A <= 2)) && (B == 1)) && (0 <= A)) && (2 == d))) - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: ((((((((((2 == p) && (r <= 2)) && (0 <= r)) && (q == 0)) && (A <= 2)) && (B == 1)) && (0 <= A)) && (2 == d)) || (((((((p == 4) && (q == 0)) && (A <= 2)) && (d == 4)) && (2 == r)) && (B == 1)) && (0 <= A))) || (((((((d == 1) && (p == 1)) && (q == 0)) && (A <= 2)) && (A == r)) && (B == 1)) && (0 <= A))) - ProcedureContractResult [Line: 14]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (cond != 0) RESULT: Ultimate proved your program to be correct! [2024-11-19 10:52:56,102 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE