./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/loop-lit/hh2012-ex3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-lit/hh2012-ex3.i -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 3c7177334f88b94ca4ee99044935e396702561856a6f48616f98f91aafc609bb --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:52:56,282 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:52:56,345 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 18:52:56,350 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:52:56,351 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:52:56,377 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:52:56,378 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:52:56,378 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:52:56,379 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:52:56,382 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:52:56,383 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:52:56,383 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:52:56,383 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:52:56,384 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:52:56,384 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:52:56,384 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:52:56,384 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 18:52:56,384 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:52:56,385 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:52:56,385 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:52:56,385 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:52:56,386 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 18:52:56,386 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:52:56,386 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 18:52:56,386 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:52:56,386 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 18:52:56,387 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:52:56,387 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:52:56,387 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 18:52:56,387 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:52:56,388 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:52:56,388 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:52:56,388 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:52:56,388 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:52:56,389 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:52:56,390 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:52:56,390 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:52:56,390 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 18:52:56,392 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:52:56,392 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:52:56,392 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:52:56,393 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:52:56,393 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:52:56,393 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:52:56,393 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c7177334f88b94ca4ee99044935e396702561856a6f48616f98f91aafc609bb [2024-11-10 18:52:56,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:52:56,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:52:56,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:52:56,673 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:52:56,674 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:52:56,675 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-lit/hh2012-ex3.i [2024-11-10 18:52:58,141 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:52:58,308 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:52:58,308 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/hh2012-ex3.i [2024-11-10 18:52:58,315 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccbb49208/1e97ba5a7fd843acb0fa814397d7f4fd/FLAG7cebbb3d7 [2024-11-10 18:52:58,333 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccbb49208/1e97ba5a7fd843acb0fa814397d7f4fd [2024-11-10 18:52:58,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:52:58,337 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:52:58,338 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:52:58,338 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:52:58,344 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:52:58,345 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:52:58" (1/1) ... [2024-11-10 18:52:58,346 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48e9550b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:58, skipping insertion in model container [2024-11-10 18:52:58,346 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:52:58" (1/1) ... [2024-11-10 18:52:58,363 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:52:58,549 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:52:58,557 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:52:58,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:52:58,585 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:52:58,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:58 WrapperNode [2024-11-10 18:52:58,586 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:52:58,587 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:52:58,587 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:52:58,587 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:52:58,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:58" (1/1) ... [2024-11-10 18:52:58,597 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:58" (1/1) ... [2024-11-10 18:52:58,611 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2024-11-10 18:52:58,611 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:52:58,612 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:52:58,612 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:52:58,612 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:52:58,620 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:58" (1/1) ... [2024-11-10 18:52:58,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:58" (1/1) ... [2024-11-10 18:52:58,621 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:58" (1/1) ... [2024-11-10 18:52:58,636 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 18:52:58,636 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:58" (1/1) ... [2024-11-10 18:52:58,636 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:58" (1/1) ... [2024-11-10 18:52:58,639 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:58" (1/1) ... [2024-11-10 18:52:58,639 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:58" (1/1) ... [2024-11-10 18:52:58,640 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:58" (1/1) ... [2024-11-10 18:52:58,641 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:58" (1/1) ... [2024-11-10 18:52:58,642 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:52:58,643 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:52:58,643 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:52:58,643 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:52:58,644 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:58" (1/1) ... [2024-11-10 18:52:58,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:52:58,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:52:58,681 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 18:52:58,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 18:52:58,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 18:52:58,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 18:52:58,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:52:58,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:52:58,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 18:52:58,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 18:52:58,777 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:52:58,778 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:52:58,998 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-10 18:52:58,999 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:52:59,010 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:52:59,011 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:52:59,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:52:59 BoogieIcfgContainer [2024-11-10 18:52:59,011 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:52:59,013 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:52:59,013 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:52:59,015 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:52:59,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:52:58" (1/3) ... [2024-11-10 18:52:59,016 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ca69216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:52:59, skipping insertion in model container [2024-11-10 18:52:59,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:52:58" (2/3) ... [2024-11-10 18:52:59,017 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ca69216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:52:59, skipping insertion in model container [2024-11-10 18:52:59,017 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:52:59" (3/3) ... [2024-11-10 18:52:59,018 INFO L112 eAbstractionObserver]: Analyzing ICFG hh2012-ex3.i [2024-11-10 18:52:59,031 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:52:59,031 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-11-10 18:52:59,085 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:52:59,093 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;@69a9af7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:52:59,093 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-11-10 18:52:59,099 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 30 states have (on average 1.6) internal successors, (48), 43 states have internal predecessors, (48), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 18:52:59,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-10 18:52:59,106 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:59,107 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:59,107 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:52:59,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:59,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1238086215, now seen corresponding path program 1 times [2024-11-10 18:52:59,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:59,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791418824] [2024-11-10 18:52:59,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:59,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:59,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:59,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:52:59,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:59,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791418824] [2024-11-10 18:52:59,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791418824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:52:59,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:52:59,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:52:59,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665402627] [2024-11-10 18:52:59,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:52:59,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:52:59,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:59,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:52:59,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:52:59,402 INFO L87 Difference]: Start difference. First operand has 52 states, 30 states have (on average 1.6) internal successors, (48), 43 states have internal predecessors, (48), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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) [2024-11-10 18:52:59,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:59,519 INFO L93 Difference]: Finished difference Result 121 states and 171 transitions. [2024-11-10 18:52:59,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:52:59,522 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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 [2024-11-10 18:52:59,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:59,531 INFO L225 Difference]: With dead ends: 121 [2024-11-10 18:52:59,532 INFO L226 Difference]: Without dead ends: 65 [2024-11-10 18:52:59,535 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:52:59,540 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 11 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:59,540 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 128 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:52:59,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-10 18:52:59,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 51. [2024-11-10 18:52:59,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 42 states have internal predecessors, (44), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 18:52:59,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 60 transitions. [2024-11-10 18:52:59,588 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 60 transitions. Word has length 7 [2024-11-10 18:52:59,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:59,588 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 60 transitions. [2024-11-10 18:52:59,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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) [2024-11-10 18:52:59,589 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 60 transitions. [2024-11-10 18:52:59,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-10 18:52:59,590 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:59,590 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:59,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:52:59,591 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:52:59,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:59,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1352703045, now seen corresponding path program 1 times [2024-11-10 18:52:59,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:59,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874412333] [2024-11-10 18:52:59,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:59,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:59,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:52:59,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:59,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874412333] [2024-11-10 18:52:59,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874412333] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:52:59,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:52:59,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:52:59,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57873390] [2024-11-10 18:52:59,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:52:59,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:52:59,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:59,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:52:59,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:52:59,685 INFO L87 Difference]: Start difference. First operand 51 states and 60 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:59,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:59,765 INFO L93 Difference]: Finished difference Result 104 states and 124 transitions. [2024-11-10 18:52:59,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:52:59,766 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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 10 [2024-11-10 18:52:59,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:59,767 INFO L225 Difference]: With dead ends: 104 [2024-11-10 18:52:59,767 INFO L226 Difference]: Without dead ends: 61 [2024-11-10 18:52:59,768 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:52:59,769 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 4 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:59,769 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 125 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:52:59,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-10 18:52:59,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 58. [2024-11-10 18:52:59,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 48 states have internal predecessors, (52), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 18:52:59,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 68 transitions. [2024-11-10 18:52:59,778 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 68 transitions. Word has length 10 [2024-11-10 18:52:59,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:59,778 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 68 transitions. [2024-11-10 18:52:59,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:59,779 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2024-11-10 18:52:59,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-10 18:52:59,779 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:59,779 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:59,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 18:52:59,780 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:52:59,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:59,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1340012516, now seen corresponding path program 1 times [2024-11-10 18:52:59,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:59,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866078609] [2024-11-10 18:52:59,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:59,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:59,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:59,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 18:52:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:59,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 18:52:59,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:52:59,935 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:52:59,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:52:59,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866078609] [2024-11-10 18:52:59,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866078609] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:52:59,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:52:59,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:52:59,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023159927] [2024-11-10 18:52:59,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:52:59,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:52:59,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:59,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:52:59,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:52:59,940 INFO L87 Difference]: Start difference. First operand 58 states and 68 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 18:53:00,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:00,066 INFO L93 Difference]: Finished difference Result 75 states and 89 transitions. [2024-11-10 18:53:00,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:53:00,067 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2024-11-10 18:53:00,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:00,070 INFO L225 Difference]: With dead ends: 75 [2024-11-10 18:53:00,072 INFO L226 Difference]: Without dead ends: 73 [2024-11-10 18:53:00,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:53:00,074 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 17 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:00,075 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 115 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:53:00,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-10 18:53:00,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 61. [2024-11-10 18:53:00,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 39 states have (on average 1.358974358974359) internal successors, (53), 49 states have internal predecessors, (53), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 18:53:00,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 73 transitions. [2024-11-10 18:53:00,090 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 73 transitions. Word has length 23 [2024-11-10 18:53:00,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:00,090 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 73 transitions. [2024-11-10 18:53:00,090 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 18:53:00,091 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 73 transitions. [2024-11-10 18:53:00,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-10 18:53:00,091 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:00,092 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:53:00,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 18:53:00,092 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:53:00,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:00,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1409284972, now seen corresponding path program 1 times [2024-11-10 18:53:00,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:00,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633689963] [2024-11-10 18:53:00,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:00,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:00,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 18:53:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:00,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 18:53:00,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:00,197 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:53:00,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:00,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633689963] [2024-11-10 18:53:00,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633689963] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:53:00,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:53:00,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:53:00,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691400696] [2024-11-10 18:53:00,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:53:00,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:53:00,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:00,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:53:00,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:53:00,201 INFO L87 Difference]: Start difference. First operand 61 states and 73 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 18:53:00,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:00,303 INFO L93 Difference]: Finished difference Result 126 states and 152 transitions. [2024-11-10 18:53:00,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:53:00,304 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2024-11-10 18:53:00,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:00,305 INFO L225 Difference]: With dead ends: 126 [2024-11-10 18:53:00,305 INFO L226 Difference]: Without dead ends: 73 [2024-11-10 18:53:00,306 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:53:00,307 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 9 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:00,312 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 143 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:53:00,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-10 18:53:00,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 66. [2024-11-10 18:53:00,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 52 states have internal predecessors, (56), 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) [2024-11-10 18:53:00,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 80 transitions. [2024-11-10 18:53:00,331 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 80 transitions. Word has length 24 [2024-11-10 18:53:00,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:00,331 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 80 transitions. [2024-11-10 18:53:00,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 18:53:00,332 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 80 transitions. [2024-11-10 18:53:00,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-10 18:53:00,333 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:00,334 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:53:00,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 18:53:00,334 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:53:00,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:00,336 INFO L85 PathProgramCache]: Analyzing trace with hash 825701207, now seen corresponding path program 1 times [2024-11-10 18:53:00,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:00,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140911779] [2024-11-10 18:53:00,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:00,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:00,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 18:53:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:00,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 18:53:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:00,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 18:53:00,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:00,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 18:53:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:00,448 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 18:53:00,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:00,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140911779] [2024-11-10 18:53:00,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140911779] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:53:00,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639306919] [2024-11-10 18:53:00,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:00,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:53:00,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:53:00,456 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:53:00,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 18:53:00,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:00,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:53:00,510 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:53:00,612 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 18:53:00,612 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:53:00,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639306919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:53:00,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:53:00,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-10 18:53:00,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272058553] [2024-11-10 18:53:00,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:53:00,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:53:00,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:00,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:53:00,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:53:00,614 INFO L87 Difference]: Start difference. First operand 66 states and 80 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 18:53:00,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:00,680 INFO L93 Difference]: Finished difference Result 109 states and 141 transitions. [2024-11-10 18:53:00,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:53:00,681 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 37 [2024-11-10 18:53:00,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:00,682 INFO L225 Difference]: With dead ends: 109 [2024-11-10 18:53:00,683 INFO L226 Difference]: Without dead ends: 108 [2024-11-10 18:53:00,683 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:53:00,684 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 14 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:00,684 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 146 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:53:00,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-10 18:53:00,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 92. [2024-11-10 18:53:00,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 70 states have internal predecessors, (80), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 18:53:00,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 120 transitions. [2024-11-10 18:53:00,695 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 120 transitions. Word has length 37 [2024-11-10 18:53:00,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:00,696 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 120 transitions. [2024-11-10 18:53:00,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 18:53:00,696 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 120 transitions. [2024-11-10 18:53:00,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-10 18:53:00,697 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:00,697 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:53:00,712 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 18:53:00,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:53:00,902 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:53:00,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:00,903 INFO L85 PathProgramCache]: Analyzing trace with hash -173066355, now seen corresponding path program 1 times [2024-11-10 18:53:00,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:00,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583605394] [2024-11-10 18:53:00,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:00,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:00,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:01,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 18:53:01,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:01,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 18:53:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:01,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 18:53:01,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:01,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 18:53:01,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:01,025 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 18:53:01,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:01,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583605394] [2024-11-10 18:53:01,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583605394] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:53:01,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122477922] [2024-11-10 18:53:01,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:01,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:53:01,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:53:01,028 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:53:01,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 18:53:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:01,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:53:01,072 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:53:01,129 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 18:53:01,130 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:53:01,238 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 18:53:01,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1122477922] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:53:01,239 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:53:01,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-10 18:53:01,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403597103] [2024-11-10 18:53:01,239 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:53:01,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 18:53:01,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:01,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 18:53:01,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:53:01,241 INFO L87 Difference]: Start difference. First operand 92 states and 120 transitions. Second operand has 12 states, 11 states have (on average 4.181818181818182) internal successors, (46), 12 states have internal predecessors, (46), 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) [2024-11-10 18:53:01,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:01,407 INFO L93 Difference]: Finished difference Result 157 states and 215 transitions. [2024-11-10 18:53:01,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 18:53:01,407 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.181818181818182) internal successors, (46), 12 states have internal predecessors, (46), 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 38 [2024-11-10 18:53:01,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:01,409 INFO L225 Difference]: With dead ends: 157 [2024-11-10 18:53:01,409 INFO L226 Difference]: Without dead ends: 156 [2024-11-10 18:53:01,409 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:53:01,410 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 43 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:01,411 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 267 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:53:01,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-10 18:53:01,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 124. [2024-11-10 18:53:01,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 84 states have (on average 1.3571428571428572) internal successors, (114), 94 states have internal predecessors, (114), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-10 18:53:01,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 170 transitions. [2024-11-10 18:53:01,445 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 170 transitions. Word has length 38 [2024-11-10 18:53:01,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:01,446 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 170 transitions. [2024-11-10 18:53:01,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.181818181818182) internal successors, (46), 12 states have internal predecessors, (46), 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) [2024-11-10 18:53:01,446 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 170 transitions. [2024-11-10 18:53:01,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-10 18:53:01,447 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:01,447 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:53:01,465 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 18:53:01,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-10 18:53:01,648 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:53:01,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:01,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1186957483, now seen corresponding path program 1 times [2024-11-10 18:53:01,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:01,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581127425] [2024-11-10 18:53:01,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:01,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:01,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:01,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 18:53:01,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:01,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 18:53:01,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:01,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 18:53:01,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:01,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 18:53:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:01,751 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 18:53:01,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:01,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581127425] [2024-11-10 18:53:01,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581127425] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:53:01,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074304125] [2024-11-10 18:53:01,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:01,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:53:01,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:53:01,754 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:53:01,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 18:53:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:01,802 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:53:01,804 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:53:01,866 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 18:53:01,866 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:53:01,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2074304125] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:53:01,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:53:01,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-10 18:53:01,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031926635] [2024-11-10 18:53:01,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:53:01,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:53:01,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:01,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:53:01,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:53:01,872 INFO L87 Difference]: Start difference. First operand 124 states and 170 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 18:53:01,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:01,944 INFO L93 Difference]: Finished difference Result 125 states and 170 transitions. [2024-11-10 18:53:01,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:53:01,945 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 40 [2024-11-10 18:53:01,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:01,948 INFO L225 Difference]: With dead ends: 125 [2024-11-10 18:53:01,948 INFO L226 Difference]: Without dead ends: 123 [2024-11-10 18:53:01,948 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:53:01,949 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 20 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:01,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 80 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:53:01,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-10 18:53:01,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 122. [2024-11-10 18:53:01,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 84 states have (on average 1.2619047619047619) internal successors, (106), 92 states have internal predecessors, (106), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-10 18:53:01,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 162 transitions. [2024-11-10 18:53:01,967 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 162 transitions. Word has length 40 [2024-11-10 18:53:01,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:01,968 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 162 transitions. [2024-11-10 18:53:01,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 18:53:01,969 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 162 transitions. [2024-11-10 18:53:01,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-10 18:53:01,970 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:01,970 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:53:01,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-10 18:53:02,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:53:02,175 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:53:02,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:02,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1859023692, now seen corresponding path program 1 times [2024-11-10 18:53:02,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:02,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888057743] [2024-11-10 18:53:02,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:02,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:02,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:02,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 18:53:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:02,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 18:53:02,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:02,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 18:53:02,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:02,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 18:53:02,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:02,218 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-10 18:53:02,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:02,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888057743] [2024-11-10 18:53:02,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888057743] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:53:02,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:53:02,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:53:02,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293844250] [2024-11-10 18:53:02,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:53:02,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:53:02,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:02,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:53:02,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:53:02,220 INFO L87 Difference]: Start difference. First operand 122 states and 162 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 18:53:02,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:02,257 INFO L93 Difference]: Finished difference Result 122 states and 162 transitions. [2024-11-10 18:53:02,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:53:02,258 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 41 [2024-11-10 18:53:02,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:02,259 INFO L225 Difference]: With dead ends: 122 [2024-11-10 18:53:02,259 INFO L226 Difference]: Without dead ends: 121 [2024-11-10 18:53:02,259 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:53:02,260 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 4 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:02,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 109 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:53:02,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-10 18:53:02,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-11-10 18:53:02,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 84 states have (on average 1.2142857142857142) internal successors, (102), 91 states have internal predecessors, (102), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-10 18:53:02,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 158 transitions. [2024-11-10 18:53:02,278 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 158 transitions. Word has length 41 [2024-11-10 18:53:02,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:02,279 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 158 transitions. [2024-11-10 18:53:02,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-10 18:53:02,279 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 158 transitions. [2024-11-10 18:53:02,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-10 18:53:02,280 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:02,280 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:53:02,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 18:53:02,281 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:53:02,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:02,283 INFO L85 PathProgramCache]: Analyzing trace with hash -201013884, now seen corresponding path program 1 times [2024-11-10 18:53:02,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:02,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611407721] [2024-11-10 18:53:02,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:02,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:02,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:02,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 18:53:02,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:02,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 18:53:02,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:02,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 18:53:02,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:02,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 18:53:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:02,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 18:53:02,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:02,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 18:53:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:02,376 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 18:53:02,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:02,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611407721] [2024-11-10 18:53:02,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611407721] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:53:02,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650405165] [2024-11-10 18:53:02,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:02,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:53:02,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:53:02,379 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:53:02,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 18:53:02,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:02,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 18:53:02,429 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:53:02,480 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 18:53:02,480 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:53:02,572 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 18:53:02,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [650405165] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:53:02,572 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:53:02,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-11-10 18:53:02,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967056883] [2024-11-10 18:53:02,573 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:53:02,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 18:53:02,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:02,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 18:53:02,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-11-10 18:53:02,574 INFO L87 Difference]: Start difference. First operand 121 states and 158 transitions. Second operand has 14 states, 13 states have (on average 4.384615384615385) internal successors, (57), 14 states have internal predecessors, (57), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-10 18:53:02,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:02,699 INFO L93 Difference]: Finished difference Result 195 states and 252 transitions. [2024-11-10 18:53:02,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 18:53:02,700 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.384615384615385) internal successors, (57), 14 states have internal predecessors, (57), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 54 [2024-11-10 18:53:02,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:02,701 INFO L225 Difference]: With dead ends: 195 [2024-11-10 18:53:02,702 INFO L226 Difference]: Without dead ends: 138 [2024-11-10 18:53:02,702 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-11-10 18:53:02,703 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 22 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:02,705 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 155 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:53:02,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-10 18:53:02,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 131. [2024-11-10 18:53:02,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 92 states have (on average 1.1304347826086956) internal successors, (104), 97 states have internal predecessors, (104), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-10 18:53:02,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 168 transitions. [2024-11-10 18:53:02,718 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 168 transitions. Word has length 54 [2024-11-10 18:53:02,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:02,719 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 168 transitions. [2024-11-10 18:53:02,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.384615384615385) internal successors, (57), 14 states have internal predecessors, (57), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-10 18:53:02,719 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 168 transitions. [2024-11-10 18:53:02,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-10 18:53:02,721 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:02,721 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:53:02,737 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-10 18:53:02,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:53:02,923 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:53:02,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:02,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1053248279, now seen corresponding path program 1 times [2024-11-10 18:53:02,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:02,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716662045] [2024-11-10 18:53:02,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:02,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:03,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 18:53:03,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:03,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 18:53:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:03,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 18:53:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:03,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 18:53:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:03,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 18:53:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:03,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 18:53:03,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:03,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 18:53:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:03,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-10 18:53:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:03,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 18:53:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:03,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 18:53:03,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:03,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 18:53:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:03,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 18:53:03,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:03,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 18:53:03,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:03,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 18:53:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:03,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 18:53:03,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:03,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-10 18:53:03,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:03,143 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-10 18:53:03,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:03,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716662045] [2024-11-10 18:53:03,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716662045] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:53:03,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262371902] [2024-11-10 18:53:03,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:03,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:53:03,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:53:03,146 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:53:03,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 18:53:03,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:03,209 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 18:53:03,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:53:03,317 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 192 proven. 48 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-10 18:53:03,318 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:53:03,487 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-10 18:53:03,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1262371902] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:53:03,489 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:53:03,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 11 [2024-11-10 18:53:03,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073490364] [2024-11-10 18:53:03,489 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:53:03,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 18:53:03,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:03,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 18:53:03,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-10 18:53:03,492 INFO L87 Difference]: Start difference. First operand 131 states and 168 transitions. Second operand has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 4 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-10 18:53:03,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:03,596 INFO L93 Difference]: Finished difference Result 216 states and 274 transitions. [2024-11-10 18:53:03,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 18:53:03,597 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 4 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) Word has length 119 [2024-11-10 18:53:03,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:03,599 INFO L225 Difference]: With dead ends: 216 [2024-11-10 18:53:03,600 INFO L226 Difference]: Without dead ends: 149 [2024-11-10 18:53:03,601 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 261 SyntacticMatches, 7 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-10 18:53:03,601 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 11 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:03,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 193 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:53:03,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-10 18:53:03,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 145. [2024-11-10 18:53:03,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 102 states have (on average 1.1274509803921569) internal successors, (115), 107 states have internal predecessors, (115), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-10 18:53:03,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 187 transitions. [2024-11-10 18:53:03,615 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 187 transitions. Word has length 119 [2024-11-10 18:53:03,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:03,615 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 187 transitions. [2024-11-10 18:53:03,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 4 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-10 18:53:03,615 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 187 transitions. [2024-11-10 18:53:03,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-10 18:53:03,617 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:03,617 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2024-11-10 18:53:03,634 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 18:53:03,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-10 18:53:03,822 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:53:03,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:03,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1794145699, now seen corresponding path program 2 times [2024-11-10 18:53:03,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:03,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425034008] [2024-11-10 18:53:03,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:03,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:03,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:04,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 18:53:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:04,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 18:53:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:04,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 18:53:04,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:04,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 18:53:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:04,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 18:53:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:04,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 18:53:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:04,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 18:53:04,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:04,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-10 18:53:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:04,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 18:53:04,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:04,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 18:53:04,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:04,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 18:53:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:04,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 18:53:04,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:04,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 18:53:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:04,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-10 18:53:04,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:04,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 18:53:04,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:04,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-10 18:53:04,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:04,036 INFO L134 CoverageAnalysis]: Checked inductivity of 580 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-10 18:53:04,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:04,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425034008] [2024-11-10 18:53:04,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425034008] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:53:04,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244259391] [2024-11-10 18:53:04,037 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:53:04,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:53:04,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:53:04,039 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:53:04,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 18:53:04,102 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:53:04,103 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:53:04,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 18:53:04,106 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:53:04,228 INFO L134 CoverageAnalysis]: Checked inductivity of 580 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-10 18:53:04,228 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:53:04,486 INFO L134 CoverageAnalysis]: Checked inductivity of 580 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-10 18:53:04,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1244259391] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:53:04,486 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:53:04,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2024-11-10 18:53:04,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040252987] [2024-11-10 18:53:04,489 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:53:04,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-10 18:53:04,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:04,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-10 18:53:04,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-11-10 18:53:04,491 INFO L87 Difference]: Start difference. First operand 145 states and 187 transitions. Second operand has 24 states, 23 states have (on average 4.608695652173913) internal successors, (106), 24 states have internal predecessors, (106), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) [2024-11-10 18:53:04,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:04,797 INFO L93 Difference]: Finished difference Result 340 states and 488 transitions. [2024-11-10 18:53:04,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-10 18:53:04,798 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.608695652173913) internal successors, (106), 24 states have internal predecessors, (106), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) Word has length 128 [2024-11-10 18:53:04,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:04,801 INFO L225 Difference]: With dead ends: 340 [2024-11-10 18:53:04,801 INFO L226 Difference]: Without dead ends: 339 [2024-11-10 18:53:04,802 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-11-10 18:53:04,802 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 77 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:04,803 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 360 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:53:04,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-10 18:53:04,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 273. [2024-11-10 18:53:04,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 194 states have (on average 1.1288659793814433) internal successors, (219), 199 states have internal predecessors, (219), 72 states have call successors, (72), 1 states have call predecessors, (72), 1 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-10 18:53:04,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 363 transitions. [2024-11-10 18:53:04,823 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 363 transitions. Word has length 128 [2024-11-10 18:53:04,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:04,823 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 363 transitions. [2024-11-10 18:53:04,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.608695652173913) internal successors, (106), 24 states have internal predecessors, (106), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) [2024-11-10 18:53:04,824 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 363 transitions. [2024-11-10 18:53:04,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-10 18:53:04,825 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:04,826 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:53:04,842 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 18:53:05,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:53:05,030 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:53:05,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:05,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1749505529, now seen corresponding path program 2 times [2024-11-10 18:53:05,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:05,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874037851] [2024-11-10 18:53:05,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:05,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:05,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:05,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 18:53:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:05,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 18:53:05,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:05,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 18:53:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:05,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 18:53:05,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:05,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 18:53:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:05,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 18:53:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:05,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 18:53:05,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:05,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-10 18:53:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:05,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 18:53:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:05,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 18:53:05,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:05,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 18:53:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:05,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 18:53:05,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:05,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 18:53:05,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:05,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-10 18:53:05,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:05,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 18:53:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:05,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-10 18:53:05,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:05,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 18:53:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:05,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-10 18:53:05,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:05,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 18:53:05,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:05,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 18:53:05,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:05,322 INFO L134 CoverageAnalysis]: Checked inductivity of 852 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 826 trivial. 0 not checked. [2024-11-10 18:53:05,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:05,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874037851] [2024-11-10 18:53:05,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874037851] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:53:05,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2062918840] [2024-11-10 18:53:05,322 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:53:05,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:53:05,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:53:05,324 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:53:05,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 18:53:05,386 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:53:05,386 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:53:05,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 18:53:05,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:53:05,606 INFO L134 CoverageAnalysis]: Checked inductivity of 852 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 18:53:05,607 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:53:05,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2062918840] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:53:05,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:53:05,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [8] total 18 [2024-11-10 18:53:05,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673653304] [2024-11-10 18:53:05,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:53:05,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 18:53:05,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:05,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 18:53:05,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2024-11-10 18:53:05,609 INFO L87 Difference]: Start difference. First operand 273 states and 363 transitions. Second operand has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 12 states have internal predecessors, (52), 5 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) [2024-11-10 18:53:05,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:05,749 INFO L93 Difference]: Finished difference Result 286 states and 382 transitions. [2024-11-10 18:53:05,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 18:53:05,750 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 12 states have internal predecessors, (52), 5 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) Word has length 149 [2024-11-10 18:53:05,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:05,753 INFO L225 Difference]: With dead ends: 286 [2024-11-10 18:53:05,753 INFO L226 Difference]: Without dead ends: 284 [2024-11-10 18:53:05,753 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2024-11-10 18:53:05,754 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 12 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:05,754 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 408 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:53:05,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-11-10 18:53:05,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 282. [2024-11-10 18:53:05,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 199 states have (on average 1.1306532663316582) internal successors, (225), 204 states have internal predecessors, (225), 76 states have call successors, (76), 1 states have call predecessors, (76), 1 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-10 18:53:05,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 377 transitions. [2024-11-10 18:53:05,776 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 377 transitions. Word has length 149 [2024-11-10 18:53:05,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:05,777 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 377 transitions. [2024-11-10 18:53:05,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 12 states have internal predecessors, (52), 5 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) [2024-11-10 18:53:05,777 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 377 transitions. [2024-11-10 18:53:05,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-10 18:53:05,778 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:05,778 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:53:05,796 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-10 18:53:05,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:53:05,980 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:53:05,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:05,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1599903471, now seen corresponding path program 1 times [2024-11-10 18:53:05,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:05,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146390968] [2024-11-10 18:53:05,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:05,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:05,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:06,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 18:53:06,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:06,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 18:53:06,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:06,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 18:53:06,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:06,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 18:53:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:06,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 18:53:06,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:06,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 18:53:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:06,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 18:53:06,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:06,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-10 18:53:06,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:06,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 18:53:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:06,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 18:53:06,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:06,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 18:53:06,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:06,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 18:53:06,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:06,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 18:53:06,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:06,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-10 18:53:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:06,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 18:53:06,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:06,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-10 18:53:06,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:06,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 18:53:06,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:06,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-10 18:53:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:06,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 18:53:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:06,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 18:53:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:06,235 INFO L134 CoverageAnalysis]: Checked inductivity of 852 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 18:53:06,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:06,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146390968] [2024-11-10 18:53:06,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146390968] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:53:06,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1194115072] [2024-11-10 18:53:06,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:06,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:53:06,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:53:06,238 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:53:06,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 18:53:06,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:06,305 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 18:53:06,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:53:06,445 INFO L134 CoverageAnalysis]: Checked inductivity of 852 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 18:53:06,445 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:53:06,719 INFO L134 CoverageAnalysis]: Checked inductivity of 852 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 18:53:06,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1194115072] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:53:06,720 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:53:06,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2024-11-10 18:53:06,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340321923] [2024-11-10 18:53:06,720 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:53:06,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-10 18:53:06,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:06,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-10 18:53:06,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=453, Unknown=0, NotChecked=0, Total=600 [2024-11-10 18:53:06,723 INFO L87 Difference]: Start difference. First operand 282 states and 377 transitions. Second operand has 25 states, 24 states have (on average 4.791666666666667) internal successors, (115), 25 states have internal predecessors, (115), 11 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 11 states have call predecessors, (44), 11 states have call successors, (44) [2024-11-10 18:53:06,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:06,978 INFO L93 Difference]: Finished difference Result 342 states and 458 transitions. [2024-11-10 18:53:06,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-10 18:53:06,979 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 4.791666666666667) internal successors, (115), 25 states have internal predecessors, (115), 11 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 11 states have call predecessors, (44), 11 states have call successors, (44) Word has length 150 [2024-11-10 18:53:06,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:06,981 INFO L225 Difference]: With dead ends: 342 [2024-11-10 18:53:06,981 INFO L226 Difference]: Without dead ends: 340 [2024-11-10 18:53:06,982 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=198, Invalid=614, Unknown=0, NotChecked=0, Total=812 [2024-11-10 18:53:06,983 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 39 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:06,983 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 227 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:53:06,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-10 18:53:06,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 291. [2024-11-10 18:53:07,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 205 states have (on average 1.1170731707317074) internal successors, (229), 209 states have internal predecessors, (229), 80 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-10 18:53:07,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 389 transitions. [2024-11-10 18:53:07,002 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 389 transitions. Word has length 150 [2024-11-10 18:53:07,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:07,002 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 389 transitions. [2024-11-10 18:53:07,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 4.791666666666667) internal successors, (115), 25 states have internal predecessors, (115), 11 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 11 states have call predecessors, (44), 11 states have call successors, (44) [2024-11-10 18:53:07,003 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 389 transitions. [2024-11-10 18:53:07,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-10 18:53:07,004 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:07,004 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:53:07,021 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-10 18:53:07,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-10 18:53:07,206 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:53:07,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:07,206 INFO L85 PathProgramCache]: Analyzing trace with hash -299219566, now seen corresponding path program 1 times [2024-11-10 18:53:07,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:07,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399665688] [2024-11-10 18:53:07,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:07,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:07,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:07,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 18:53:07,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:07,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 18:53:07,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:07,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 18:53:07,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:07,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 18:53:07,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:07,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 18:53:07,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:07,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 18:53:07,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:07,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 18:53:07,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:07,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-10 18:53:07,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:07,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 18:53:07,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:07,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 18:53:07,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:07,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 18:53:07,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:07,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 18:53:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:07,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 18:53:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:07,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-10 18:53:07,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:07,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 18:53:07,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:07,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-10 18:53:07,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:07,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 18:53:07,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:07,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-10 18:53:07,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:07,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 18:53:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:07,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 18:53:07,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:07,525 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 826 trivial. 0 not checked. [2024-11-10 18:53:07,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:07,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399665688] [2024-11-10 18:53:07,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399665688] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:53:07,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [877783952] [2024-11-10 18:53:07,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:07,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:53:07,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:53:07,528 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:53:07,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 18:53:07,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:07,596 INFO L255 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 18:53:07,599 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:53:07,834 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 92 proven. 16 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 18:53:07,835 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:53:08,181 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 78 proven. 30 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 18:53:08,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [877783952] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:53:08,182 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:53:08,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13, 13] total 32 [2024-11-10 18:53:08,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410890566] [2024-11-10 18:53:08,182 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:53:08,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-10 18:53:08,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:08,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-10 18:53:08,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=831, Unknown=0, NotChecked=0, Total=1056 [2024-11-10 18:53:08,185 INFO L87 Difference]: Start difference. First operand 291 states and 389 transitions. Second operand has 33 states, 32 states have (on average 4.6875) internal successors, (150), 33 states have internal predecessors, (150), 11 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 11 states have call predecessors, (48), 11 states have call successors, (48) [2024-11-10 18:53:08,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:08,617 INFO L93 Difference]: Finished difference Result 291 states and 389 transitions. [2024-11-10 18:53:08,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-10 18:53:08,618 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 4.6875) internal successors, (150), 33 states have internal predecessors, (150), 11 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 11 states have call predecessors, (48), 11 states have call successors, (48) Word has length 158 [2024-11-10 18:53:08,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:08,620 INFO L225 Difference]: With dead ends: 291 [2024-11-10 18:53:08,620 INFO L226 Difference]: Without dead ends: 288 [2024-11-10 18:53:08,621 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=394, Invalid=1498, Unknown=0, NotChecked=0, Total=1892 [2024-11-10 18:53:08,622 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 0 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:08,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 463 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 18:53:08,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2024-11-10 18:53:08,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 221. [2024-11-10 18:53:08,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 158 states have (on average 1.0569620253164558) internal successors, (167), 159 states have internal predecessors, (167), 60 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-10 18:53:08,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 287 transitions. [2024-11-10 18:53:08,657 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 287 transitions. Word has length 158 [2024-11-10 18:53:08,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:08,660 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 287 transitions. [2024-11-10 18:53:08,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 4.6875) internal successors, (150), 33 states have internal predecessors, (150), 11 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 11 states have call predecessors, (48), 11 states have call successors, (48) [2024-11-10 18:53:08,660 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 287 transitions. [2024-11-10 18:53:08,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-10 18:53:08,662 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:08,663 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:53:08,679 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-10 18:53:08,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-10 18:53:08,867 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:53:08,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:08,867 INFO L85 PathProgramCache]: Analyzing trace with hash -999086401, now seen corresponding path program 1 times [2024-11-10 18:53:08,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:08,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779173552] [2024-11-10 18:53:08,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:08,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:08,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:09,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 18:53:09,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:09,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 18:53:09,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:09,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 18:53:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:09,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 18:53:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:09,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 18:53:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:09,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 18:53:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:09,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 18:53:09,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:09,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-10 18:53:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:09,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 18:53:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:09,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 18:53:09,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:09,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 18:53:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:09,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 18:53:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:09,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 18:53:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:09,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-10 18:53:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:09,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 18:53:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:09,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-10 18:53:09,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:09,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 18:53:09,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:09,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 18:53:09,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:09,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 18:53:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:09,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 18:53:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:09,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 18:53:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:09,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 18:53:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:09,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 18:53:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:09,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 18:53:09,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:09,146 INFO L134 CoverageAnalysis]: Checked inductivity of 1254 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-10 18:53:09,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:09,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779173552] [2024-11-10 18:53:09,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779173552] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:53:09,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [6246584] [2024-11-10 18:53:09,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:09,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:53:09,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:53:09,148 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:53:09,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-10 18:53:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:09,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 18:53:09,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:53:09,423 INFO L134 CoverageAnalysis]: Checked inductivity of 1254 backedges. 662 proven. 0 refuted. 0 times theorem prover too weak. 592 trivial. 0 not checked. [2024-11-10 18:53:09,424 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:53:09,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [6246584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:53:09,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:53:09,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [13] total 23 [2024-11-10 18:53:09,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875710536] [2024-11-10 18:53:09,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:53:09,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 18:53:09,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:09,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 18:53:09,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=422, Unknown=0, NotChecked=0, Total=506 [2024-11-10 18:53:09,428 INFO L87 Difference]: Start difference. First operand 221 states and 287 transitions. Second operand has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 5 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) [2024-11-10 18:53:09,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:09,565 INFO L93 Difference]: Finished difference Result 297 states and 383 transitions. [2024-11-10 18:53:09,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 18:53:09,565 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 5 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) Word has length 182 [2024-11-10 18:53:09,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:09,567 INFO L225 Difference]: With dead ends: 297 [2024-11-10 18:53:09,567 INFO L226 Difference]: Without dead ends: 148 [2024-11-10 18:53:09,567 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=422, Unknown=0, NotChecked=0, Total=506 [2024-11-10 18:53:09,568 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 14 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:09,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 330 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:53:09,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-10 18:53:09,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2024-11-10 18:53:09,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 106 states have (on average 1.009433962264151) internal successors, (107), 106 states have internal predecessors, (107), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-10 18:53:09,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 187 transitions. [2024-11-10 18:53:09,581 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 187 transitions. Word has length 182 [2024-11-10 18:53:09,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:09,582 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 187 transitions. [2024-11-10 18:53:09,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 5 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) [2024-11-10 18:53:09,582 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 187 transitions. [2024-11-10 18:53:09,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-11-10 18:53:09,585 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:09,585 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-10 18:53:09,602 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-10 18:53:09,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-10 18:53:09,790 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:53:09,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:09,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1984831972, now seen corresponding path program 1 times [2024-11-10 18:53:09,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:09,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304348477] [2024-11-10 18:53:09,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:09,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:09,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 18:53:10,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 18:53:10,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 18:53:10,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 18:53:10,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 18:53:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 18:53:10,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 18:53:10,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-10 18:53:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 18:53:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 18:53:10,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 18:53:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 18:53:10,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 18:53:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-10 18:53:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 18:53:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-10 18:53:10,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 18:53:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-10 18:53:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 18:53:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 18:53:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-10 18:53:10,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 18:53:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-10 18:53:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-10 18:53:10,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 18:53:10,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-10 18:53:10,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 18:53:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-10 18:53:10,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-10 18:53:10,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 18:53:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-10 18:53:10,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-10 18:53:10,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-10 18:53:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-10 18:53:10,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-10 18:53:10,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-10 18:53:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-10 18:53:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-10 18:53:10,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-10 18:53:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-10 18:53:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,453 INFO L134 CoverageAnalysis]: Checked inductivity of 3558 backedges. 0 proven. 372 refuted. 0 times theorem prover too weak. 3186 trivial. 0 not checked. [2024-11-10 18:53:10,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:10,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304348477] [2024-11-10 18:53:10,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304348477] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:53:10,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [20352368] [2024-11-10 18:53:10,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:10,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:53:10,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:53:10,456 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:53:10,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-10 18:53:10,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:10,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-10 18:53:10,556 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:53:10,805 INFO L134 CoverageAnalysis]: Checked inductivity of 3558 backedges. 48 proven. 346 refuted. 0 times theorem prover too weak. 3164 trivial. 0 not checked. [2024-11-10 18:53:10,805 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:53:11,317 INFO L134 CoverageAnalysis]: Checked inductivity of 3558 backedges. 48 proven. 346 refuted. 0 times theorem prover too weak. 3164 trivial. 0 not checked. [2024-11-10 18:53:11,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [20352368] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:53:11,318 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:53:11,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14, 14] total 35 [2024-11-10 18:53:11,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978227364] [2024-11-10 18:53:11,319 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:53:11,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-10 18:53:11,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:11,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-10 18:53:11,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=261, Invalid=999, Unknown=0, NotChecked=0, Total=1260 [2024-11-10 18:53:11,322 INFO L87 Difference]: Start difference. First operand 148 states and 187 transitions. Second operand has 36 states, 35 states have (on average 5.2) internal successors, (182), 36 states have internal predecessors, (182), 16 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 16 states have call predecessors, (68), 16 states have call successors, (68) [2024-11-10 18:53:11,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:11,870 INFO L93 Difference]: Finished difference Result 291 states and 372 transitions. [2024-11-10 18:53:11,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-10 18:53:11,871 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 5.2) internal successors, (182), 36 states have internal predecessors, (182), 16 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 16 states have call predecessors, (68), 16 states have call successors, (68) Word has length 303 [2024-11-10 18:53:11,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:11,872 INFO L225 Difference]: With dead ends: 291 [2024-11-10 18:53:11,872 INFO L226 Difference]: Without dead ends: 0 [2024-11-10 18:53:11,873 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 724 GetRequests, 675 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 676 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=508, Invalid=2042, Unknown=0, NotChecked=0, Total=2550 [2024-11-10 18:53:11,874 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 32 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:11,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 234 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 18:53:11,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-10 18:53:11,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-10 18:53:11,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:53:11,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-10 18:53:11,878 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 303 [2024-11-10 18:53:11,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:11,879 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 18:53:11,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 5.2) internal successors, (182), 36 states have internal predecessors, (182), 16 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 16 states have call predecessors, (68), 16 states have call successors, (68) [2024-11-10 18:53:11,879 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-10 18:53:11,879 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-10 18:53:11,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2024-11-10 18:53:11,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2024-11-10 18:53:11,882 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2024-11-10 18:53:11,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2024-11-10 18:53:11,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2024-11-10 18:53:11,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2024-11-10 18:53:11,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2024-11-10 18:53:11,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2024-11-10 18:53:11,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2024-11-10 18:53:11,883 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2024-11-10 18:53:11,884 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2024-11-10 18:53:11,884 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2024-11-10 18:53:11,903 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-10 18:53:12,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-10 18:53:12,090 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:53:12,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-10 18:53:13,216 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 18:53:13,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 06:53:13 BoogieIcfgContainer [2024-11-10 18:53:13,231 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 18:53:13,232 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 18:53:13,232 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 18:53:13,232 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 18:53:13,233 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:52:59" (3/4) ... [2024-11-10 18:53:13,235 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 18:53:13,239 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-10 18:53:13,242 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-10 18:53:13,242 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-10 18:53:13,243 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 18:53:13,243 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 18:53:13,320 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 18:53:13,320 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 18:53:13,320 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 18:53:13,321 INFO L158 Benchmark]: Toolchain (without parser) took 14983.93ms. Allocated memory was 146.8MB in the beginning and 255.9MB in the end (delta: 109.1MB). Free memory was 93.5MB in the beginning and 81.1MB in the end (delta: 12.4MB). Peak memory consumption was 120.9MB. Max. memory is 16.1GB. [2024-11-10 18:53:13,321 INFO L158 Benchmark]: CDTParser took 1.03ms. Allocated memory is still 88.1MB. Free memory was 53.3MB in the beginning and 53.2MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 18:53:13,322 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.76ms. Allocated memory is still 146.8MB. Free memory was 93.5MB in the beginning and 81.4MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-10 18:53:13,322 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.86ms. Allocated memory is still 146.8MB. Free memory was 81.4MB in the beginning and 79.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 18:53:13,322 INFO L158 Benchmark]: Boogie Preprocessor took 30.19ms. Allocated memory is still 146.8MB. Free memory was 79.8MB in the beginning and 78.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 18:53:13,322 INFO L158 Benchmark]: IcfgBuilder took 368.41ms. Allocated memory is still 146.8MB. Free memory was 78.3MB in the beginning and 113.6MB in the end (delta: -35.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-10 18:53:13,323 INFO L158 Benchmark]: TraceAbstraction took 14218.69ms. Allocated memory was 146.8MB in the beginning and 255.9MB in the end (delta: 109.1MB). Free memory was 112.8MB in the beginning and 86.3MB in the end (delta: 26.4MB). Peak memory consumption was 149.7MB. Max. memory is 16.1GB. [2024-11-10 18:53:13,323 INFO L158 Benchmark]: Witness Printer took 88.58ms. Allocated memory is still 255.9MB. Free memory was 86.3MB in the beginning and 81.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 18:53:13,324 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.03ms. Allocated memory is still 88.1MB. Free memory was 53.3MB in the beginning and 53.2MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.76ms. Allocated memory is still 146.8MB. Free memory was 93.5MB in the beginning and 81.4MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.86ms. Allocated memory is still 146.8MB. Free memory was 81.4MB in the beginning and 79.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.19ms. Allocated memory is still 146.8MB. Free memory was 79.8MB in the beginning and 78.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 368.41ms. Allocated memory is still 146.8MB. Free memory was 78.3MB in the beginning and 113.6MB in the end (delta: -35.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 14218.69ms. Allocated memory was 146.8MB in the beginning and 255.9MB in the end (delta: 109.1MB). Free memory was 112.8MB in the beginning and 86.3MB in the end (delta: 26.4MB). Peak memory consumption was 149.7MB. Max. memory is 16.1GB. * Witness Printer took 88.58ms. Allocated memory is still 255.9MB. Free memory was 86.3MB in the beginning and 81.1MB in the end (delta: 5.2MB). 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: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: 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, 52 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 13.0s, OverallIterations: 16, TraceHistogramMax: 40, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 399 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 329 mSDsluCounter, 3483 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2814 mSDsCounter, 96 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2731 IncrementalHoareTripleChecker+Invalid, 2827 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 96 mSolverCounterUnsat, 669 mSDtfsCounter, 2731 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2823 GetRequests, 2583 SyntacticMatches, 7 SemanticMatches, 233 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1889 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=291occurred in iteration=13, InterpolantAutomatonStates: 181, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 16 MinimizatonAttempts, 280 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 2821 NumberOfCodeBlocks, 2821 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 3737 ConstructedInterpolants, 0 QuantifiedInterpolants, 7775 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2504 ConjunctsInSsa, 106 ConjunctsInUnsatCore, 34 InterpolantComputations, 9 PerfectInterpolantSequences, 21718/23823 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 12 specifications checked. All of them hold - InvariantResult [Line: 16]: Location Invariant Derived location invariant: null - InvariantResult [Line: 18]: Location Invariant Derived location invariant: null RESULT: Ultimate proved your program to be correct! [2024-11-10 18:53:13,352 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE