./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench/prod4br-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench/prod4br-ll.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9fc373a278835802938e4c08f2544f1651ce1de6dc177c0a58501e43687c477d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 04:16:35,087 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 04:16:35,167 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 04:16:35,173 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 04:16:35,175 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 04:16:35,206 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 04:16:35,207 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 04:16:35,208 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 04:16:35,208 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 04:16:35,209 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 04:16:35,210 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 04:16:35,210 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 04:16:35,211 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 04:16:35,213 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 04:16:35,213 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 04:16:35,214 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 04:16:35,214 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 04:16:35,214 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 04:16:35,214 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 04:16:35,215 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 04:16:35,215 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 04:16:35,219 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 04:16:35,219 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 04:16:35,220 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 04:16:35,220 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 04:16:35,220 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 04:16:35,220 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 04:16:35,221 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 04:16:35,221 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 04:16:35,221 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 04:16:35,221 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 04:16:35,222 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 04:16:35,222 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 04:16:35,222 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 04:16:35,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:16:35,223 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 04:16:35,223 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 04:16:35,223 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 04:16:35,223 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 04:16:35,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 04:16:35,224 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 04:16:35,225 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 04:16:35,226 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 04:16:35,226 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 04:16:35,226 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fc373a278835802938e4c08f2544f1651ce1de6dc177c0a58501e43687c477d [2024-11-17 04:16:35,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 04:16:35,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 04:16:35,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 04:16:35,526 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 04:16:35,526 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 04:16:35,528 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/prod4br-ll.c [2024-11-17 04:16:37,091 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 04:16:37,265 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 04:16:37,266 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/prod4br-ll.c [2024-11-17 04:16:37,272 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f867198fa/b1b8a49da0d54ae5837aaf1e81881975/FLAG42784fbdc [2024-11-17 04:16:37,287 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f867198fa/b1b8a49da0d54ae5837aaf1e81881975 [2024-11-17 04:16:37,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 04:16:37,292 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 04:16:37,293 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 04:16:37,293 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 04:16:37,298 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 04:16:37,299 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:16:37" (1/1) ... [2024-11-17 04:16:37,300 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43858d95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:16:37, skipping insertion in model container [2024-11-17 04:16:37,301 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:16:37" (1/1) ... [2024-11-17 04:16:37,321 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 04:16:37,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:16:37,562 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 04:16:37,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:16:37,607 INFO L204 MainTranslator]: Completed translation [2024-11-17 04:16:37,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:16:37 WrapperNode [2024-11-17 04:16:37,608 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 04:16:37,609 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 04:16:37,609 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 04:16:37,609 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 04:16:37,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:16:37" (1/1) ... [2024-11-17 04:16:37,620 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:16:37" (1/1) ... [2024-11-17 04:16:37,651 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 102 [2024-11-17 04:16:37,652 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 04:16:37,653 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 04:16:37,653 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 04:16:37,653 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 04:16:37,661 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:16:37" (1/1) ... [2024-11-17 04:16:37,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:16:37" (1/1) ... [2024-11-17 04:16:37,664 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:16:37" (1/1) ... [2024-11-17 04:16:37,678 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]. [2024-11-17 04:16:37,678 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:16:37" (1/1) ... [2024-11-17 04:16:37,679 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:16:37" (1/1) ... [2024-11-17 04:16:37,682 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:16:37" (1/1) ... [2024-11-17 04:16:37,682 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:16:37" (1/1) ... [2024-11-17 04:16:37,687 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:16:37" (1/1) ... [2024-11-17 04:16:37,688 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:16:37" (1/1) ... [2024-11-17 04:16:37,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 04:16:37,691 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 04:16:37,691 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 04:16:37,691 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 04:16:37,691 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:16:37" (1/1) ... [2024-11-17 04:16:37,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:16:37,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:16:37,730 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) [2024-11-17 04:16:37,733 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 [2024-11-17 04:16:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 04:16:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 04:16:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 04:16:37,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 04:16:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 04:16:37,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 04:16:37,832 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 04:16:37,834 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 04:16:38,323 INFO L? ?]: Removed 92 outVars from TransFormulas that were not future-live. [2024-11-17 04:16:38,324 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 04:16:38,346 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 04:16:38,347 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 04:16:38,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:16:38 BoogieIcfgContainer [2024-11-17 04:16:38,347 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 04:16:38,349 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 04:16:38,350 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 04:16:38,353 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 04:16:38,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:16:37" (1/3) ... [2024-11-17 04:16:38,354 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1faa9938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:16:38, skipping insertion in model container [2024-11-17 04:16:38,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:16:37" (2/3) ... [2024-11-17 04:16:38,356 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1faa9938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:16:38, skipping insertion in model container [2024-11-17 04:16:38,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:16:38" (3/3) ... [2024-11-17 04:16:38,358 INFO L112 eAbstractionObserver]: Analyzing ICFG prod4br-ll.c [2024-11-17 04:16:38,373 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 04:16:38,373 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2024-11-17 04:16:38,485 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 04:16:38,491 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;@4704d37f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 04:16:38,491 INFO L334 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2024-11-17 04:16:38,494 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 70 states have (on average 1.7142857142857142) internal successors, (120), 112 states have internal predecessors, (120), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 04:16:38,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-17 04:16:38,498 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:16:38,499 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-17 04:16:38,499 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:16:38,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:16:38,503 INFO L85 PathProgramCache]: Analyzing trace with hash 23200284, now seen corresponding path program 1 times [2024-11-17 04:16:38,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:16:38,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166070641] [2024-11-17 04:16:38,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:16:38,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:16:38,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:16:38,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:16:38,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:16:38,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166070641] [2024-11-17 04:16:38,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166070641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:16:38,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:16:38,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:16:38,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210692081] [2024-11-17 04:16:38,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:16:38,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 04:16:38,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:16:38,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 04:16:38,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:16:38,681 INFO L87 Difference]: Start difference. First operand has 117 states, 70 states have (on average 1.7142857142857142) internal successors, (120), 112 states have internal predecessors, (120), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-11-17 04:16:38,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:16:38,711 INFO L93 Difference]: Finished difference Result 230 states and 250 transitions. [2024-11-17 04:16:38,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 04:16:38,713 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2024-11-17 04:16:38,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:16:38,720 INFO L225 Difference]: With dead ends: 230 [2024-11-17 04:16:38,720 INFO L226 Difference]: Without dead ends: 110 [2024-11-17 04:16:38,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:16:38,726 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:16:38,727 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:16:38,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-17 04:16:38,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2024-11-17 04:16:38,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 65 states have (on average 1.6923076923076923) internal successors, (110), 106 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:16:38,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 114 transitions. [2024-11-17 04:16:38,764 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 114 transitions. Word has length 6 [2024-11-17 04:16:38,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:16:38,765 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 114 transitions. [2024-11-17 04:16:38,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-11-17 04:16:38,765 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 114 transitions. [2024-11-17 04:16:38,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-17 04:16:38,766 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:16:38,766 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:16:38,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 04:16:38,766 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:16:38,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:16:38,767 INFO L85 PathProgramCache]: Analyzing trace with hash 720134478, now seen corresponding path program 1 times [2024-11-17 04:16:38,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:16:38,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633169091] [2024-11-17 04:16:38,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:16:38,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:16:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:16:38,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [600753857] [2024-11-17 04:16:38,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:16:38,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:16:38,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:16:38,794 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) [2024-11-17 04:16:38,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 04:16:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:16:38,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 04:16:38,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:16:39,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:16:39,041 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:16:39,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:16:39,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633169091] [2024-11-17 04:16:39,042 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:16:39,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600753857] [2024-11-17 04:16:39,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [600753857] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:16:39,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:16:39,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:16:39,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655347926] [2024-11-17 04:16:39,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:16:39,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:16:39,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:16:39,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:16:39,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:16:39,046 INFO L87 Difference]: Start difference. First operand 110 states and 114 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 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) [2024-11-17 04:16:39,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:16:39,396 INFO L93 Difference]: Finished difference Result 156 states and 176 transitions. [2024-11-17 04:16:39,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:16:39,397 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 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 [2024-11-17 04:16:39,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:16:39,398 INFO L225 Difference]: With dead ends: 156 [2024-11-17 04:16:39,398 INFO L226 Difference]: Without dead ends: 145 [2024-11-17 04:16:39,399 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:16:39,402 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 176 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:16:39,402 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 148 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:16:39,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-11-17 04:16:39,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 136. [2024-11-17 04:16:39,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 91 states have (on average 1.6043956043956045) internal successors, (146), 130 states have internal predecessors, (146), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-17 04:16:39,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 154 transitions. [2024-11-17 04:16:39,421 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 154 transitions. Word has length 7 [2024-11-17 04:16:39,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:16:39,422 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 154 transitions. [2024-11-17 04:16:39,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 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) [2024-11-17 04:16:39,422 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 154 transitions. [2024-11-17 04:16:39,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 04:16:39,422 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:16:39,422 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:16:39,443 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-17 04:16:39,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:16:39,627 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:16:39,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:16:39,628 INFO L85 PathProgramCache]: Analyzing trace with hash 849332412, now seen corresponding path program 1 times [2024-11-17 04:16:39,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:16:39,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497729326] [2024-11-17 04:16:39,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:16:39,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:16:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:16:39,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1779815838] [2024-11-17 04:16:39,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:16:39,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:16:39,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:16:39,652 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) [2024-11-17 04:16:39,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 04:16:39,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:16:39,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 04:16:39,689 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:16:39,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:16:39,782 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:16:39,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:16:39,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497729326] [2024-11-17 04:16:39,783 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:16:39,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779815838] [2024-11-17 04:16:39,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1779815838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:16:39,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:16:39,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:16:39,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5899558] [2024-11-17 04:16:39,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:16:39,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:16:39,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:16:39,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:16:39,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:16:39,787 INFO L87 Difference]: Start difference. First operand 136 states and 154 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:16:40,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:16:40,225 INFO L93 Difference]: Finished difference Result 190 states and 228 transitions. [2024-11-17 04:16:40,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:16:40,226 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-17 04:16:40,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:16:40,228 INFO L225 Difference]: With dead ends: 190 [2024-11-17 04:16:40,229 INFO L226 Difference]: Without dead ends: 172 [2024-11-17 04:16:40,230 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:16:40,231 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 188 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:16:40,232 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 132 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:16:40,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-17 04:16:40,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 163. [2024-11-17 04:16:40,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 119 states have (on average 1.5378151260504203) internal successors, (183), 156 states have internal predecessors, (183), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:16:40,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 193 transitions. [2024-11-17 04:16:40,254 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 193 transitions. Word has length 8 [2024-11-17 04:16:40,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:16:40,254 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 193 transitions. [2024-11-17 04:16:40,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:16:40,255 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 193 transitions. [2024-11-17 04:16:40,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-17 04:16:40,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:16:40,255 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:16:40,272 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-17 04:16:40,456 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,SelfDestructingSolverStorable2 [2024-11-17 04:16:40,457 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:16:40,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:16:40,457 INFO L85 PathProgramCache]: Analyzing trace with hash 559501068, now seen corresponding path program 1 times [2024-11-17 04:16:40,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:16:40,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522344606] [2024-11-17 04:16:40,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:16:40,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:16:40,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:16:40,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [622544270] [2024-11-17 04:16:40,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:16:40,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:16:40,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:16:40,473 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) [2024-11-17 04:16:40,477 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 04:16:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:16:40,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 04:16:40,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:16:40,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:16:40,644 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:16:40,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:16:40,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522344606] [2024-11-17 04:16:40,644 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:16:40,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [622544270] [2024-11-17 04:16:40,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [622544270] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:16:40,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:16:40,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:16:40,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423456312] [2024-11-17 04:16:40,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:16:40,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:16:40,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:16:40,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:16:40,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:16:40,647 INFO L87 Difference]: Start difference. First operand 163 states and 193 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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) [2024-11-17 04:16:40,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:16:40,974 INFO L93 Difference]: Finished difference Result 176 states and 205 transitions. [2024-11-17 04:16:40,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:16:40,974 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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 9 [2024-11-17 04:16:40,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:16:40,976 INFO L225 Difference]: With dead ends: 176 [2024-11-17 04:16:40,976 INFO L226 Difference]: Without dead ends: 175 [2024-11-17 04:16:40,976 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:16:40,977 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 158 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:16:40,978 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 159 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:16:40,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-17 04:16:40,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 163. [2024-11-17 04:16:40,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 119 states have (on average 1.5294117647058822) internal successors, (182), 156 states have internal predecessors, (182), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:16:40,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 192 transitions. [2024-11-17 04:16:40,996 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 192 transitions. Word has length 9 [2024-11-17 04:16:40,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:16:40,996 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 192 transitions. [2024-11-17 04:16:40,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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) [2024-11-17 04:16:40,997 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 192 transitions. [2024-11-17 04:16:40,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-17 04:16:40,997 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:16:40,997 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:16:41,014 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-17 04:16:41,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:16:41,199 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:16:41,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:16:41,199 INFO L85 PathProgramCache]: Analyzing trace with hash 164663994, now seen corresponding path program 1 times [2024-11-17 04:16:41,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:16:41,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035961922] [2024-11-17 04:16:41,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:16:41,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:16:41,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:16:41,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [679769212] [2024-11-17 04:16:41,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:16:41,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:16:41,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:16:41,226 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) [2024-11-17 04:16:41,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 04:16:41,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:16:41,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 04:16:41,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:16:41,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:16:41,393 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:16:41,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:16:41,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035961922] [2024-11-17 04:16:41,393 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:16:41,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679769212] [2024-11-17 04:16:41,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679769212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:16:41,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:16:41,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:16:41,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941739265] [2024-11-17 04:16:41,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:16:41,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:16:41,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:16:41,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:16:41,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:16:41,398 INFO L87 Difference]: Start difference. First operand 163 states and 192 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 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) [2024-11-17 04:16:41,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:16:41,835 INFO L93 Difference]: Finished difference Result 169 states and 195 transitions. [2024-11-17 04:16:41,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:16:41,836 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 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 [2024-11-17 04:16:41,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:16:41,837 INFO L225 Difference]: With dead ends: 169 [2024-11-17 04:16:41,837 INFO L226 Difference]: Without dead ends: 166 [2024-11-17 04:16:41,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:16:41,838 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 183 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:16:41,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 131 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:16:41,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-17 04:16:41,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 163. [2024-11-17 04:16:41,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 119 states have (on average 1.495798319327731) internal successors, (178), 156 states have internal predecessors, (178), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:16:41,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 188 transitions. [2024-11-17 04:16:41,847 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 188 transitions. Word has length 10 [2024-11-17 04:16:41,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:16:41,848 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 188 transitions. [2024-11-17 04:16:41,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 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) [2024-11-17 04:16:41,848 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 188 transitions. [2024-11-17 04:16:41,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-17 04:16:41,849 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:16:41,849 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:16:41,865 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 04:16:42,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:16:42,053 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:16:42,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:16:42,053 INFO L85 PathProgramCache]: Analyzing trace with hash 809616586, now seen corresponding path program 1 times [2024-11-17 04:16:42,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:16:42,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541855654] [2024-11-17 04:16:42,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:16:42,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:16:42,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:16:42,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:16:42,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:16:42,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541855654] [2024-11-17 04:16:42,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541855654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:16:42,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:16:42,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:16:42,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275878744] [2024-11-17 04:16:42,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:16:42,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:16:42,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:16:42,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:16:42,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:16:42,126 INFO L87 Difference]: Start difference. First operand 163 states and 188 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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) [2024-11-17 04:16:43,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:16:43,592 INFO L93 Difference]: Finished difference Result 271 states and 310 transitions. [2024-11-17 04:16:43,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:16:43,592 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 11 [2024-11-17 04:16:43,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:16:43,593 INFO L225 Difference]: With dead ends: 271 [2024-11-17 04:16:43,593 INFO L226 Difference]: Without dead ends: 270 [2024-11-17 04:16:43,594 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:16:43,594 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 80 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:16:43,595 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 177 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-17 04:16:43,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-11-17 04:16:43,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 189. [2024-11-17 04:16:43,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 144 states have (on average 1.4930555555555556) internal successors, (215), 181 states have internal predecessors, (215), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 04:16:43,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 227 transitions. [2024-11-17 04:16:43,616 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 227 transitions. Word has length 11 [2024-11-17 04:16:43,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:16:43,616 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 227 transitions. [2024-11-17 04:16:43,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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) [2024-11-17 04:16:43,617 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 227 transitions. [2024-11-17 04:16:43,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-17 04:16:43,617 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:16:43,617 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:16:43,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 04:16:43,618 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:16:43,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:16:43,622 INFO L85 PathProgramCache]: Analyzing trace with hash -671689544, now seen corresponding path program 1 times [2024-11-17 04:16:43,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:16:43,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843661086] [2024-11-17 04:16:43,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:16:43,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:16:43,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:16:43,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:16:43,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:16:43,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843661086] [2024-11-17 04:16:43,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843661086] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:16:43,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:16:43,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:16:43,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255853842] [2024-11-17 04:16:43,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:16:43,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:16:43,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:16:43,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:16:43,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:16:43,839 INFO L87 Difference]: Start difference. First operand 189 states and 227 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-11-17 04:16:46,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:16:46,346 INFO L93 Difference]: Finished difference Result 271 states and 308 transitions. [2024-11-17 04:16:46,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:16:46,346 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 12 [2024-11-17 04:16:46,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:16:46,348 INFO L225 Difference]: With dead ends: 271 [2024-11-17 04:16:46,348 INFO L226 Difference]: Without dead ends: 270 [2024-11-17 04:16:46,348 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:16:46,349 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 79 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:16:46,349 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 176 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-17 04:16:46,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-11-17 04:16:46,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 189. [2024-11-17 04:16:46,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 144 states have (on average 1.4791666666666667) internal successors, (213), 181 states have internal predecessors, (213), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 04:16:46,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 225 transitions. [2024-11-17 04:16:46,364 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 225 transitions. Word has length 12 [2024-11-17 04:16:46,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:16:46,364 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 225 transitions. [2024-11-17 04:16:46,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-11-17 04:16:46,365 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 225 transitions. [2024-11-17 04:16:46,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-17 04:16:46,366 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:16:46,366 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:16:46,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 04:16:46,366 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:16:46,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:16:46,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1616213096, now seen corresponding path program 1 times [2024-11-17 04:16:46,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:16:46,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280333570] [2024-11-17 04:16:46,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:16:46,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:16:46,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:16:46,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1664944855] [2024-11-17 04:16:46,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:16:46,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:16:46,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:16:46,414 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) [2024-11-17 04:16:46,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 04:16:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:16:46,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:16:46,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:16:46,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:16:46,550 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:16:46,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:16:46,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280333570] [2024-11-17 04:16:46,550 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:16:46,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664944855] [2024-11-17 04:16:46,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1664944855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:16:46,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:16:46,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:16:46,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932696607] [2024-11-17 04:16:46,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:16:46,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:16:46,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:16:46,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:16:46,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:16:46,552 INFO L87 Difference]: Start difference. First operand 189 states and 225 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:16:46,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:16:46,898 INFO L93 Difference]: Finished difference Result 252 states and 309 transitions. [2024-11-17 04:16:46,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:16:46,899 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2024-11-17 04:16:46,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:16:46,900 INFO L225 Difference]: With dead ends: 252 [2024-11-17 04:16:46,900 INFO L226 Difference]: Without dead ends: 246 [2024-11-17 04:16:46,900 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:16:46,901 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 180 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:16:46,902 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 101 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:16:46,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-17 04:16:46,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 227. [2024-11-17 04:16:46,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 181 states have (on average 1.4806629834254144) internal successors, (268), 218 states have internal predecessors, (268), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-17 04:16:46,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 282 transitions. [2024-11-17 04:16:46,916 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 282 transitions. Word has length 27 [2024-11-17 04:16:46,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:16:46,916 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 282 transitions. [2024-11-17 04:16:46,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:16:46,917 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 282 transitions. [2024-11-17 04:16:46,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-17 04:16:46,918 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:16:46,918 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:16:46,934 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-17 04:16:47,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:16:47,122 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:16:47,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:16:47,122 INFO L85 PathProgramCache]: Analyzing trace with hash 724169474, now seen corresponding path program 1 times [2024-11-17 04:16:47,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:16:47,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047664573] [2024-11-17 04:16:47,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:16:47,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:16:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:16:47,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:16:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:16:47,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:16:47,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:16:47,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047664573] [2024-11-17 04:16:47,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047664573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:16:47,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:16:47,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:16:47,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050760887] [2024-11-17 04:16:47,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:16:47,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:16:47,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:16:47,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:16:47,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:16:47,252 INFO L87 Difference]: Start difference. First operand 227 states and 282 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:16:47,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:16:47,765 INFO L93 Difference]: Finished difference Result 313 states and 370 transitions. [2024-11-17 04:16:47,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:16:47,765 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2024-11-17 04:16:47,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:16:47,767 INFO L225 Difference]: With dead ends: 313 [2024-11-17 04:16:47,767 INFO L226 Difference]: Without dead ends: 312 [2024-11-17 04:16:47,768 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:16:47,768 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 72 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:16:47,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 226 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:16:47,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2024-11-17 04:16:47,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 239. [2024-11-17 04:16:47,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 193 states have (on average 1.4766839378238341) internal successors, (285), 230 states have internal predecessors, (285), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-17 04:16:47,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 299 transitions. [2024-11-17 04:16:47,777 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 299 transitions. Word has length 28 [2024-11-17 04:16:47,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:16:47,778 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 299 transitions. [2024-11-17 04:16:47,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:16:47,778 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 299 transitions. [2024-11-17 04:16:47,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-17 04:16:47,779 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:16:47,779 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:16:47,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-17 04:16:47,779 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:16:47,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:16:47,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1437001559, now seen corresponding path program 1 times [2024-11-17 04:16:47,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:16:47,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971146028] [2024-11-17 04:16:47,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:16:47,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:16:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:16:47,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [848999249] [2024-11-17 04:16:47,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:16:47,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:16:47,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:16:47,800 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) [2024-11-17 04:16:47,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 04:16:47,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:16:47,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:16:47,844 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:16:47,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:16:47,919 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:16:47,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:16:47,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971146028] [2024-11-17 04:16:47,919 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:16:47,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [848999249] [2024-11-17 04:16:47,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [848999249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:16:47,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:16:47,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:16:47,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786907492] [2024-11-17 04:16:47,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:16:47,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:16:47,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:16:47,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:16:47,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:16:47,921 INFO L87 Difference]: Start difference. First operand 239 states and 299 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:16:48,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:16:48,207 INFO L93 Difference]: Finished difference Result 312 states and 403 transitions. [2024-11-17 04:16:48,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:16:48,207 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2024-11-17 04:16:48,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:16:48,209 INFO L225 Difference]: With dead ends: 312 [2024-11-17 04:16:48,209 INFO L226 Difference]: Without dead ends: 306 [2024-11-17 04:16:48,209 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:16:48,210 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 219 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:16:48,210 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 85 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:16:48,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-11-17 04:16:48,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 286. [2024-11-17 04:16:48,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 239 states have (on average 1.5104602510460252) internal successors, (361), 276 states have internal predecessors, (361), 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) [2024-11-17 04:16:48,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 377 transitions. [2024-11-17 04:16:48,225 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 377 transitions. Word has length 28 [2024-11-17 04:16:48,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:16:48,226 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 377 transitions. [2024-11-17 04:16:48,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:16:48,227 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 377 transitions. [2024-11-17 04:16:48,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-17 04:16:48,228 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:16:48,228 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:16:48,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-17 04:16:48,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:16:48,429 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:16:48,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:16:48,430 INFO L85 PathProgramCache]: Analyzing trace with hash 974417213, now seen corresponding path program 1 times [2024-11-17 04:16:48,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:16:48,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258248258] [2024-11-17 04:16:48,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:16:48,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:16:48,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:16:48,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:16:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:16:48,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:16:48,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:16:48,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258248258] [2024-11-17 04:16:48,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258248258] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:16:48,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:16:48,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:16:48,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646787548] [2024-11-17 04:16:48,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:16:48,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:16:48,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:16:48,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:16:48,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:16:48,548 INFO L87 Difference]: Start difference. First operand 286 states and 377 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:16:49,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:16:49,439 INFO L93 Difference]: Finished difference Result 370 states and 463 transitions. [2024-11-17 04:16:49,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:16:49,440 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2024-11-17 04:16:49,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:16:49,442 INFO L225 Difference]: With dead ends: 370 [2024-11-17 04:16:49,442 INFO L226 Difference]: Without dead ends: 369 [2024-11-17 04:16:49,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:16:49,444 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 70 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-17 04:16:49,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 222 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-17 04:16:49,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-17 04:16:49,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 288. [2024-11-17 04:16:49,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 241 states have (on average 1.5062240663900415) internal successors, (363), 278 states have internal predecessors, (363), 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) [2024-11-17 04:16:49,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 379 transitions. [2024-11-17 04:16:49,457 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 379 transitions. Word has length 29 [2024-11-17 04:16:49,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:16:49,460 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 379 transitions. [2024-11-17 04:16:49,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:16:49,460 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 379 transitions. [2024-11-17 04:16:49,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-17 04:16:49,461 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:16:49,461 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:16:49,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-17 04:16:49,461 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:16:49,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:16:49,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1597375354, now seen corresponding path program 1 times [2024-11-17 04:16:49,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:16:49,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910380855] [2024-11-17 04:16:49,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:16:49,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:16:49,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:16:49,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:16:49,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:16:49,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:16:49,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:16:49,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910380855] [2024-11-17 04:16:49,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910380855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:16:49,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:16:49,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:16:49,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979880898] [2024-11-17 04:16:49,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:16:49,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:16:49,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:16:49,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:16:49,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:16:49,551 INFO L87 Difference]: Start difference. First operand 288 states and 379 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:16:50,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:16:50,006 INFO L93 Difference]: Finished difference Result 370 states and 461 transitions. [2024-11-17 04:16:50,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:16:50,007 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2024-11-17 04:16:50,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:16:50,009 INFO L225 Difference]: With dead ends: 370 [2024-11-17 04:16:50,010 INFO L226 Difference]: Without dead ends: 369 [2024-11-17 04:16:50,011 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:16:50,011 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 71 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:16:50,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 204 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:16:50,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-17 04:16:50,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 299. [2024-11-17 04:16:50,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 252 states have (on average 1.503968253968254) internal successors, (379), 289 states have internal predecessors, (379), 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) [2024-11-17 04:16:50,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 395 transitions. [2024-11-17 04:16:50,022 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 395 transitions. Word has length 29 [2024-11-17 04:16:50,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:16:50,024 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 395 transitions. [2024-11-17 04:16:50,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:16:50,025 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 395 transitions. [2024-11-17 04:16:50,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-17 04:16:50,025 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:16:50,025 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:16:50,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-17 04:16:50,026 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:16:50,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:16:50,026 INFO L85 PathProgramCache]: Analyzing trace with hash 2020971591, now seen corresponding path program 1 times [2024-11-17 04:16:50,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:16:50,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973146627] [2024-11-17 04:16:50,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:16:50,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:16:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:16:50,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:16:50,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:16:50,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:16:50,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:16:50,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973146627] [2024-11-17 04:16:50,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973146627] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:16:50,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:16:50,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:16:50,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902995062] [2024-11-17 04:16:50,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:16:50,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:16:50,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:16:50,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:16:50,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:16:50,141 INFO L87 Difference]: Start difference. First operand 299 states and 395 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:16:51,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:16:51,299 INFO L93 Difference]: Finished difference Result 370 states and 459 transitions. [2024-11-17 04:16:51,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:16:51,299 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2024-11-17 04:16:51,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:16:51,302 INFO L225 Difference]: With dead ends: 370 [2024-11-17 04:16:51,302 INFO L226 Difference]: Without dead ends: 369 [2024-11-17 04:16:51,302 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:16:51,303 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 69 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:16:51,303 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 228 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-17 04:16:51,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-17 04:16:51,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 301. [2024-11-17 04:16:51,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 254 states have (on average 1.5) internal successors, (381), 291 states have internal predecessors, (381), 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) [2024-11-17 04:16:51,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 397 transitions. [2024-11-17 04:16:51,314 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 397 transitions. Word has length 30 [2024-11-17 04:16:51,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:16:51,314 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 397 transitions. [2024-11-17 04:16:51,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:16:51,314 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 397 transitions. [2024-11-17 04:16:51,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-17 04:16:51,316 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:16:51,316 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:16:51,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-17 04:16:51,316 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:16:51,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:16:51,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1539636415, now seen corresponding path program 1 times [2024-11-17 04:16:51,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:16:51,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535088307] [2024-11-17 04:16:51,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:16:51,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:16:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:16:51,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:16:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:16:51,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:16:51,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:16:51,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535088307] [2024-11-17 04:16:51,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535088307] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:16:51,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:16:51,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 04:16:51,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669795071] [2024-11-17 04:16:51,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:16:51,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:16:51,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:16:51,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:16:51,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:16:51,409 INFO L87 Difference]: Start difference. First operand 301 states and 397 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:16:52,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:16:52,092 INFO L93 Difference]: Finished difference Result 417 states and 571 transitions. [2024-11-17 04:16:52,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:16:52,093 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2024-11-17 04:16:52,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:16:52,095 INFO L225 Difference]: With dead ends: 417 [2024-11-17 04:16:52,096 INFO L226 Difference]: Without dead ends: 415 [2024-11-17 04:16:52,096 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:16:52,096 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 255 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:16:52,097 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 110 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:16:52,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-11-17 04:16:52,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 309. [2024-11-17 04:16:52,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 262 states have (on average 1.4885496183206106) internal successors, (390), 299 states have internal predecessors, (390), 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) [2024-11-17 04:16:52,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 406 transitions. [2024-11-17 04:16:52,121 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 406 transitions. Word has length 30 [2024-11-17 04:16:52,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:16:52,122 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 406 transitions. [2024-11-17 04:16:52,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:16:52,122 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 406 transitions. [2024-11-17 04:16:52,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-17 04:16:52,123 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:16:52,123 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:16:52,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-17 04:16:52,123 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:16:52,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:16:52,124 INFO L85 PathProgramCache]: Analyzing trace with hash -484088570, now seen corresponding path program 1 times [2024-11-17 04:16:52,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:16:52,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55699660] [2024-11-17 04:16:52,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:16:52,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:16:52,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:16:52,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:16:52,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:16:52,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:16:52,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:16:52,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55699660] [2024-11-17 04:16:52,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55699660] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:16:52,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:16:52,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 04:16:52,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596352250] [2024-11-17 04:16:52,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:16:52,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:16:52,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:16:52,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:16:52,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:16:52,221 INFO L87 Difference]: Start difference. First operand 309 states and 406 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:16:52,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:16:52,842 INFO L93 Difference]: Finished difference Result 316 states and 413 transitions. [2024-11-17 04:16:52,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:16:52,842 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2024-11-17 04:16:52,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:16:52,844 INFO L225 Difference]: With dead ends: 316 [2024-11-17 04:16:52,844 INFO L226 Difference]: Without dead ends: 314 [2024-11-17 04:16:52,844 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:16:52,845 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 241 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:16:52,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 78 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:16:52,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-11-17 04:16:52,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 309. [2024-11-17 04:16:52,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 262 states have (on average 1.4770992366412214) internal successors, (387), 299 states have internal predecessors, (387), 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) [2024-11-17 04:16:52,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 403 transitions. [2024-11-17 04:16:52,858 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 403 transitions. Word has length 31 [2024-11-17 04:16:52,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:16:52,860 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 403 transitions. [2024-11-17 04:16:52,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:16:52,860 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 403 transitions. [2024-11-17 04:16:52,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-17 04:16:52,861 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:16:52,862 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:16:52,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-17 04:16:52,862 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:16:52,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:16:52,862 INFO L85 PathProgramCache]: Analyzing trace with hash -904214107, now seen corresponding path program 1 times [2024-11-17 04:16:52,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:16:52,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785474084] [2024-11-17 04:16:52,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:16:52,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:16:52,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:16:52,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [158675461] [2024-11-17 04:16:52,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:16:52,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:16:52,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:16:52,892 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) [2024-11-17 04:16:52,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 04:16:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:16:52,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-17 04:16:52,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:16:53,830 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:16:53,830 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:16:54,885 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:16:54,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:16:54,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785474084] [2024-11-17 04:16:54,885 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:16:54,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [158675461] [2024-11-17 04:16:54,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [158675461] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:16:54,886 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:16:54,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 14 [2024-11-17 04:16:54,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932882749] [2024-11-17 04:16:54,886 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:16:54,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-17 04:16:54,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:16:54,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-17 04:16:54,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2024-11-17 04:16:54,887 INFO L87 Difference]: Start difference. First operand 309 states and 403 transitions. Second operand has 15 states, 14 states have (on average 4.142857142857143) internal successors, (58), 15 states have internal predecessors, (58), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:17:00,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:17:00,561 INFO L93 Difference]: Finished difference Result 579 states and 798 transitions. [2024-11-17 04:17:00,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-17 04:17:00,562 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.142857142857143) internal successors, (58), 15 states have internal predecessors, (58), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 33 [2024-11-17 04:17:00,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:17:00,564 INFO L225 Difference]: With dead ends: 579 [2024-11-17 04:17:00,564 INFO L226 Difference]: Without dead ends: 555 [2024-11-17 04:17:00,564 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=322, Invalid=670, Unknown=0, NotChecked=0, Total=992 [2024-11-17 04:17:00,565 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 528 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 1160 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 528 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 1236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:17:00,565 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [528 Valid, 141 Invalid, 1236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 1160 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-17 04:17:00,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2024-11-17 04:17:00,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 378. [2024-11-17 04:17:00,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 332 states have (on average 1.4337349397590362) internal successors, (476), 367 states have internal predecessors, (476), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 04:17:00,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 494 transitions. [2024-11-17 04:17:00,583 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 494 transitions. Word has length 33 [2024-11-17 04:17:00,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:17:00,587 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 494 transitions. [2024-11-17 04:17:00,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.142857142857143) internal successors, (58), 15 states have internal predecessors, (58), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:17:00,587 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 494 transitions. [2024-11-17 04:17:00,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-17 04:17:00,588 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:17:00,588 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:17:00,604 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-17 04:17:00,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:17:00,789 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:17:00,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:17:00,789 INFO L85 PathProgramCache]: Analyzing trace with hash 2034133829, now seen corresponding path program 1 times [2024-11-17 04:17:00,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:17:00,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767014342] [2024-11-17 04:17:00,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:17:00,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:17:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:17:00,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1606046516] [2024-11-17 04:17:00,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:17:00,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:17:00,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:17:00,806 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) [2024-11-17 04:17:00,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 04:17:00,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:17:00,852 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-17 04:17:00,854 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:17:01,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:17:01,341 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:17:02,649 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:17:02,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:17:02,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767014342] [2024-11-17 04:17:02,650 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:17:02,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606046516] [2024-11-17 04:17:02,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606046516] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:17:02,650 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:17:02,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 14 [2024-11-17 04:17:02,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821162684] [2024-11-17 04:17:02,650 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:17:02,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-17 04:17:02,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:17:02,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-17 04:17:02,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2024-11-17 04:17:02,652 INFO L87 Difference]: Start difference. First operand 378 states and 494 transitions. Second operand has 15 states, 14 states have (on average 4.285714285714286) internal successors, (60), 15 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:17:08,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:17:08,029 INFO L93 Difference]: Finished difference Result 563 states and 760 transitions. [2024-11-17 04:17:08,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-17 04:17:08,030 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.285714285714286) internal successors, (60), 15 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 34 [2024-11-17 04:17:08,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:17:08,032 INFO L225 Difference]: With dead ends: 563 [2024-11-17 04:17:08,032 INFO L226 Difference]: Without dead ends: 543 [2024-11-17 04:17:08,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=283, Invalid=587, Unknown=0, NotChecked=0, Total=870 [2024-11-17 04:17:08,033 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 509 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 952 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 509 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 1008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:17:08,034 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [509 Valid, 112 Invalid, 1008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 952 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-11-17 04:17:08,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-11-17 04:17:08,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 401. [2024-11-17 04:17:08,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 357 states have (on average 1.411764705882353) internal successors, (504), 391 states have internal predecessors, (504), 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) [2024-11-17 04:17:08,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 520 transitions. [2024-11-17 04:17:08,056 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 520 transitions. Word has length 34 [2024-11-17 04:17:08,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:17:08,056 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 520 transitions. [2024-11-17 04:17:08,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.285714285714286) internal successors, (60), 15 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:17:08,056 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 520 transitions. [2024-11-17 04:17:08,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-17 04:17:08,057 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:17:08,057 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:17:08,075 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-17 04:17:08,258 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,SelfDestructingSolverStorable16 [2024-11-17 04:17:08,258 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:17:08,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:17:08,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1017627773, now seen corresponding path program 1 times [2024-11-17 04:17:08,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:17:08,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024079889] [2024-11-17 04:17:08,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:17:08,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:17:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:17:08,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [515975645] [2024-11-17 04:17:08,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:17:08,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:17:08,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:17:08,288 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) [2024-11-17 04:17:08,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-17 04:17:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:17:08,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 04:17:08,332 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:17:08,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:17:08,489 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:17:08,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:17:08,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024079889] [2024-11-17 04:17:08,489 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:17:08,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515975645] [2024-11-17 04:17:08,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [515975645] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:17:08,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:17:08,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 04:17:08,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269222726] [2024-11-17 04:17:08,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:17:08,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:17:08,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:17:08,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:17:08,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:17:08,492 INFO L87 Difference]: Start difference. First operand 401 states and 520 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:17:08,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:17:08,914 INFO L93 Difference]: Finished difference Result 480 states and 629 transitions. [2024-11-17 04:17:08,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:17:08,915 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2024-11-17 04:17:08,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:17:08,917 INFO L225 Difference]: With dead ends: 480 [2024-11-17 04:17:08,917 INFO L226 Difference]: Without dead ends: 473 [2024-11-17 04:17:08,917 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:17:08,918 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 280 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:17:08,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 49 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:17:08,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2024-11-17 04:17:08,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 424. [2024-11-17 04:17:08,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 380 states have (on average 1.4078947368421053) internal successors, (535), 414 states have internal predecessors, (535), 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) [2024-11-17 04:17:08,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 551 transitions. [2024-11-17 04:17:08,938 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 551 transitions. Word has length 34 [2024-11-17 04:17:08,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:17:08,938 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 551 transitions. [2024-11-17 04:17:08,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:17:08,938 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 551 transitions. [2024-11-17 04:17:08,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-17 04:17:08,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:17:08,939 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:17:08,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-17 04:17:09,139 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,SelfDestructingSolverStorable17 [2024-11-17 04:17:09,140 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:17:09,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:17:09,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1366360669, now seen corresponding path program 1 times [2024-11-17 04:17:09,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:17:09,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452315656] [2024-11-17 04:17:09,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:17:09,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:17:09,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:17:09,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [528457790] [2024-11-17 04:17:09,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:17:09,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:17:09,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:17:09,163 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) [2024-11-17 04:17:09,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-17 04:17:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:17:09,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-17 04:17:09,211 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:17:09,514 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:17:09,515 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:17:12,115 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:17:12,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:17:12,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452315656] [2024-11-17 04:17:12,115 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:17:12,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [528457790] [2024-11-17 04:17:12,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [528457790] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-17 04:17:12,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:17:12,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 15 [2024-11-17 04:17:12,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287973825] [2024-11-17 04:17:12,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:17:12,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:17:12,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:17:12,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:17:12,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:17:12,117 INFO L87 Difference]: Start difference. First operand 424 states and 551 transitions. Second operand has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:17:16,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-17 04:17:19,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:17:19,474 INFO L93 Difference]: Finished difference Result 430 states and 557 transitions. [2024-11-17 04:17:19,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:17:19,475 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2024-11-17 04:17:19,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:17:19,476 INFO L225 Difference]: With dead ends: 430 [2024-11-17 04:17:19,476 INFO L226 Difference]: Without dead ends: 429 [2024-11-17 04:17:19,477 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-11-17 04:17:19,477 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 22 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:17:19,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 89 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 263 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2024-11-17 04:17:19,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-11-17 04:17:19,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 429. [2024-11-17 04:17:19,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 385 states have (on average 1.3974025974025974) internal successors, (538), 419 states have internal predecessors, (538), 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) [2024-11-17 04:17:19,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 554 transitions. [2024-11-17 04:17:19,508 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 554 transitions. Word has length 35 [2024-11-17 04:17:19,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:17:19,508 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 554 transitions. [2024-11-17 04:17:19,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:17:19,509 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 554 transitions. [2024-11-17 04:17:19,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-17 04:17:19,509 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:17:19,510 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:17:19,533 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-17 04:17:19,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:17:19,711 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:17:19,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:17:19,711 INFO L85 PathProgramCache]: Analyzing trace with hash -28474774, now seen corresponding path program 1 times [2024-11-17 04:17:19,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:17:19,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64213213] [2024-11-17 04:17:19,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:17:19,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:17:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:17:19,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1547676271] [2024-11-17 04:17:19,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:17:19,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:17:19,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:17:19,729 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) [2024-11-17 04:17:19,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-17 04:17:19,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:17:19,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 04:17:19,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:17:19,970 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:17:19,970 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:17:19,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:17:19,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64213213] [2024-11-17 04:17:19,971 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:17:19,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547676271] [2024-11-17 04:17:19,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1547676271] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:17:19,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:17:19,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-17 04:17:19,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631645124] [2024-11-17 04:17:19,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:17:19,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:17:19,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:17:19,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:17:19,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:17:19,973 INFO L87 Difference]: Start difference. First operand 429 states and 554 transitions. Second operand has 8 states, 7 states have (on average 4.714285714285714) internal successors, (33), 8 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:17:20,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:17:20,425 INFO L93 Difference]: Finished difference Result 431 states and 555 transitions. [2024-11-17 04:17:20,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:17:20,426 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.714285714285714) internal successors, (33), 8 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2024-11-17 04:17:20,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:17:20,427 INFO L225 Difference]: With dead ends: 431 [2024-11-17 04:17:20,427 INFO L226 Difference]: Without dead ends: 430 [2024-11-17 04:17:20,427 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:17:20,428 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 185 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:17:20,428 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 159 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:17:20,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2024-11-17 04:17:20,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 429. [2024-11-17 04:17:20,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 385 states have (on average 1.3948051948051947) internal successors, (537), 419 states have internal predecessors, (537), 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) [2024-11-17 04:17:20,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 553 transitions. [2024-11-17 04:17:20,450 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 553 transitions. Word has length 35 [2024-11-17 04:17:20,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:17:20,451 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 553 transitions. [2024-11-17 04:17:20,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.714285714285714) internal successors, (33), 8 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:17:20,451 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 553 transitions. [2024-11-17 04:17:20,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-17 04:17:20,452 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:17:20,452 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:17:20,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-17 04:17:20,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:17:20,656 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:17:20,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:17:20,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1481689922, now seen corresponding path program 1 times [2024-11-17 04:17:20,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:17:20,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810570606] [2024-11-17 04:17:20,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:17:20,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:17:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:17:20,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2022412321] [2024-11-17 04:17:20,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:17:20,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:17:20,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:17:20,679 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:17:20,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-17 04:17:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:17:20,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 04:17:20,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:17:20,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:17:20,890 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:17:20,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:17:20,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810570606] [2024-11-17 04:17:20,890 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:17:20,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022412321] [2024-11-17 04:17:20,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2022412321] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:17:20,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:17:20,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 04:17:20,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553729126] [2024-11-17 04:17:20,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:17:20,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:17:20,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:17:20,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:17:20,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:17:20,892 INFO L87 Difference]: Start difference. First operand 429 states and 553 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:17:21,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:17:21,274 INFO L93 Difference]: Finished difference Result 462 states and 587 transitions. [2024-11-17 04:17:21,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:17:21,275 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2024-11-17 04:17:21,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:17:21,276 INFO L225 Difference]: With dead ends: 462 [2024-11-17 04:17:21,276 INFO L226 Difference]: Without dead ends: 457 [2024-11-17 04:17:21,276 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:17:21,277 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 263 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:17:21,277 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 57 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:17:21,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2024-11-17 04:17:21,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 427. [2024-11-17 04:17:21,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 383 states have (on average 1.3733681462140992) internal successors, (526), 417 states have internal predecessors, (526), 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) [2024-11-17 04:17:21,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 542 transitions. [2024-11-17 04:17:21,299 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 542 transitions. Word has length 35 [2024-11-17 04:17:21,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:17:21,299 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 542 transitions. [2024-11-17 04:17:21,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:17:21,299 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 542 transitions. [2024-11-17 04:17:21,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-17 04:17:21,300 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:17:21,300 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:17:21,316 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-17 04:17:21,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-17 04:17:21,501 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:17:21,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:17:21,501 INFO L85 PathProgramCache]: Analyzing trace with hash 592492291, now seen corresponding path program 1 times [2024-11-17 04:17:21,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:17:21,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541134173] [2024-11-17 04:17:21,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:17:21,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:17:21,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:17:21,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1829994275] [2024-11-17 04:17:21,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:17:21,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:17:21,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:17:21,515 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:17:21,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-17 04:17:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:17:21,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-17 04:17:21,572 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:17:21,915 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:17:21,916 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:17:23,974 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:17:23,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:17:23,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541134173] [2024-11-17 04:17:23,974 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:17:23,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829994275] [2024-11-17 04:17:23,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829994275] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-17 04:17:23,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:17:23,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 15 [2024-11-17 04:17:23,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135576633] [2024-11-17 04:17:23,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:17:23,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:17:23,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:17:23,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:17:23,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:17:23,976 INFO L87 Difference]: Start difference. First operand 427 states and 542 transitions. Second operand has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:17:28,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:17:28,712 INFO L93 Difference]: Finished difference Result 429 states and 544 transitions. [2024-11-17 04:17:28,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:17:28,713 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2024-11-17 04:17:28,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:17:28,714 INFO L225 Difference]: With dead ends: 429 [2024-11-17 04:17:28,714 INFO L226 Difference]: Without dead ends: 428 [2024-11-17 04:17:28,715 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-11-17 04:17:28,715 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 21 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:17:28,715 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 91 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-11-17 04:17:28,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2024-11-17 04:17:28,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 428. [2024-11-17 04:17:28,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 384 states have (on average 1.3671875) internal successors, (525), 418 states have internal predecessors, (525), 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) [2024-11-17 04:17:28,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 541 transitions. [2024-11-17 04:17:28,744 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 541 transitions. Word has length 36 [2024-11-17 04:17:28,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:17:28,744 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 541 transitions. [2024-11-17 04:17:28,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:17:28,745 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 541 transitions. [2024-11-17 04:17:28,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-17 04:17:28,745 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:17:28,745 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:17:28,762 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-17 04:17:28,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-17 04:17:28,950 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:17:28,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:17:28,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1809289894, now seen corresponding path program 1 times [2024-11-17 04:17:28,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:17:28,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227523017] [2024-11-17 04:17:28,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:17:28,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:17:28,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:17:28,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1747222534] [2024-11-17 04:17:28,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:17:28,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:17:28,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:17:28,975 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:17:28,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-17 04:17:29,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:17:29,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-17 04:17:29,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:17:31,596 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:17:31,597 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:17:33,675 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:17:33,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:17:33,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227523017] [2024-11-17 04:17:33,675 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:17:33,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1747222534] [2024-11-17 04:17:33,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1747222534] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-17 04:17:33,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:17:33,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2024-11-17 04:17:33,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148018247] [2024-11-17 04:17:33,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:17:33,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:17:33,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:17:33,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:17:33,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:17:33,677 INFO L87 Difference]: Start difference. First operand 428 states and 541 transitions. Second operand has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:17:37,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:17:37,215 INFO L93 Difference]: Finished difference Result 438 states and 553 transitions. [2024-11-17 04:17:37,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:17:37,216 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2024-11-17 04:17:37,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:17:37,217 INFO L225 Difference]: With dead ends: 438 [2024-11-17 04:17:37,217 INFO L226 Difference]: Without dead ends: 437 [2024-11-17 04:17:37,217 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2024-11-17 04:17:37,218 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 37 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:17:37,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 162 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-17 04:17:37,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2024-11-17 04:17:37,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 437. [2024-11-17 04:17:37,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 393 states have (on average 1.3587786259541985) internal successors, (534), 427 states have internal predecessors, (534), 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) [2024-11-17 04:17:37,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 550 transitions. [2024-11-17 04:17:37,238 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 550 transitions. Word has length 36 [2024-11-17 04:17:37,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:17:37,238 INFO L471 AbstractCegarLoop]: Abstraction has 437 states and 550 transitions. [2024-11-17 04:17:37,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:17:37,238 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 550 transitions. [2024-11-17 04:17:37,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-17 04:17:37,239 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:17:37,239 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:17:37,254 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-17 04:17:37,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:17:37,444 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:17:37,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:17:37,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1312252645, now seen corresponding path program 1 times [2024-11-17 04:17:37,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:17:37,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746891484] [2024-11-17 04:17:37,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:17:37,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:17:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:17:37,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:17:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:17:37,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:17:37,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:17:37,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746891484] [2024-11-17 04:17:37,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746891484] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:17:37,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:17:37,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:17:37,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172989813] [2024-11-17 04:17:37,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:17:37,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:17:37,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:17:37,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:17:37,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:17:37,530 INFO L87 Difference]: Start difference. First operand 437 states and 550 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:17:38,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:17:38,215 INFO L93 Difference]: Finished difference Result 470 states and 578 transitions. [2024-11-17 04:17:38,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:17:38,215 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2024-11-17 04:17:38,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:17:38,217 INFO L225 Difference]: With dead ends: 470 [2024-11-17 04:17:38,217 INFO L226 Difference]: Without dead ends: 469 [2024-11-17 04:17:38,218 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:17:38,218 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 43 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 04:17:38,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 171 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 04:17:38,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-11-17 04:17:38,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 450. [2024-11-17 04:17:38,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 406 states have (on average 1.3620689655172413) internal successors, (553), 440 states have internal predecessors, (553), 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) [2024-11-17 04:17:38,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 569 transitions. [2024-11-17 04:17:38,242 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 569 transitions. Word has length 36 [2024-11-17 04:17:38,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:17:38,242 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 569 transitions. [2024-11-17 04:17:38,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:17:38,243 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 569 transitions. [2024-11-17 04:17:38,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-17 04:17:38,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:17:38,243 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:17:38,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-17 04:17:38,244 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:17:38,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:17:38,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1594451800, now seen corresponding path program 1 times [2024-11-17 04:17:38,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:17:38,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105444458] [2024-11-17 04:17:38,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:17:38,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:17:38,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:17:38,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2143174119] [2024-11-17 04:17:38,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:17:38,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:17:38,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:17:38,257 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:17:38,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-17 04:17:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:17:38,299 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 04:17:38,301 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:17:38,508 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:17:38,508 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:17:38,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:17:38,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105444458] [2024-11-17 04:17:38,508 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:17:38,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143174119] [2024-11-17 04:17:38,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2143174119] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:17:38,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:17:38,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-17 04:17:38,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989226265] [2024-11-17 04:17:38,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:17:38,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:17:38,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:17:38,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:17:38,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:17:38,510 INFO L87 Difference]: Start difference. First operand 450 states and 569 transitions. Second operand has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:17:38,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:17:38,923 INFO L93 Difference]: Finished difference Result 456 states and 573 transitions. [2024-11-17 04:17:38,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:17:38,923 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2024-11-17 04:17:38,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:17:38,925 INFO L225 Difference]: With dead ends: 456 [2024-11-17 04:17:38,925 INFO L226 Difference]: Without dead ends: 454 [2024-11-17 04:17:38,925 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:17:38,926 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 203 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:17:38,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 196 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:17:38,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2024-11-17 04:17:38,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 450. [2024-11-17 04:17:38,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 406 states have (on average 1.3571428571428572) internal successors, (551), 440 states have internal predecessors, (551), 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) [2024-11-17 04:17:38,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 567 transitions. [2024-11-17 04:17:38,959 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 567 transitions. Word has length 37 [2024-11-17 04:17:38,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:17:38,959 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 567 transitions. [2024-11-17 04:17:38,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:17:38,959 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 567 transitions. [2024-11-17 04:17:38,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-17 04:17:38,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:17:38,960 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:17:38,978 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-17 04:17:39,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:17:39,160 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:17:39,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:17:39,161 INFO L85 PathProgramCache]: Analyzing trace with hash 253411936, now seen corresponding path program 1 times [2024-11-17 04:17:39,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:17:39,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795897064] [2024-11-17 04:17:39,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:17:39,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:17:39,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:17:39,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1722040732] [2024-11-17 04:17:39,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:17:39,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:17:39,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:17:39,175 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:17:39,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-17 04:17:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:17:39,213 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-17 04:17:39,214 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:17:40,129 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:17:40,130 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:17:43,541 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:17:43,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:17:43,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795897064] [2024-11-17 04:17:43,542 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:17:43,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722040732] [2024-11-17 04:17:43,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1722040732] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-17 04:17:43,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:17:43,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2024-11-17 04:17:43,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7924902] [2024-11-17 04:17:43,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:17:43,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:17:43,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:17:43,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:17:43,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:17:43,543 INFO L87 Difference]: Start difference. First operand 450 states and 567 transitions. Second operand has 9 states, 8 states have (on average 4.375) internal successors, (35), 9 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:17:48,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:17:48,072 INFO L93 Difference]: Finished difference Result 454 states and 573 transitions. [2024-11-17 04:17:48,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:17:48,072 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.375) internal successors, (35), 9 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2024-11-17 04:17:48,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:17:48,079 INFO L225 Difference]: With dead ends: 454 [2024-11-17 04:17:48,079 INFO L226 Difference]: Without dead ends: 453 [2024-11-17 04:17:48,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2024-11-17 04:17:48,080 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 41 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:17:48,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 119 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-17 04:17:48,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2024-11-17 04:17:48,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 447. [2024-11-17 04:17:48,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 403 states have (on average 1.3598014888337469) internal successors, (548), 437 states have internal predecessors, (548), 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) [2024-11-17 04:17:48,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 564 transitions. [2024-11-17 04:17:48,102 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 564 transitions. Word has length 37 [2024-11-17 04:17:48,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:17:48,102 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 564 transitions. [2024-11-17 04:17:48,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.375) internal successors, (35), 9 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:17:48,103 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 564 transitions. [2024-11-17 04:17:48,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-17 04:17:48,103 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:17:48,103 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:17:48,120 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-17 04:17:48,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-17 04:17:48,304 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:17:48,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:17:48,305 INFO L85 PathProgramCache]: Analyzing trace with hash -2025126304, now seen corresponding path program 1 times [2024-11-17 04:17:48,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:17:48,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033702628] [2024-11-17 04:17:48,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:17:48,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:17:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:17:48,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 04:17:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:17:48,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:17:48,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:17:48,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033702628] [2024-11-17 04:17:48,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033702628] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:17:48,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:17:48,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:17:48,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101893924] [2024-11-17 04:17:48,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:17:48,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:17:48,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:17:48,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:17:48,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:17:48,414 INFO L87 Difference]: Start difference. First operand 447 states and 564 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:17:48,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:17:48,878 INFO L93 Difference]: Finished difference Result 467 states and 571 transitions. [2024-11-17 04:17:48,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:17:48,879 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2024-11-17 04:17:48,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:17:48,881 INFO L225 Difference]: With dead ends: 467 [2024-11-17 04:17:48,881 INFO L226 Difference]: Without dead ends: 466 [2024-11-17 04:17:48,881 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:17:48,883 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 41 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:17:48,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 177 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:17:48,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2024-11-17 04:17:48,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 448. [2024-11-17 04:17:48,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 404 states have (on average 1.3564356435643565) internal successors, (548), 438 states have internal predecessors, (548), 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) [2024-11-17 04:17:48,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 564 transitions. [2024-11-17 04:17:48,905 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 564 transitions. Word has length 37 [2024-11-17 04:17:48,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:17:48,905 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 564 transitions. [2024-11-17 04:17:48,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:17:48,905 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 564 transitions. [2024-11-17 04:17:48,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-17 04:17:48,905 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:17:48,906 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:17:48,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-17 04:17:48,906 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:17:48,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:17:48,907 INFO L85 PathProgramCache]: Analyzing trace with hash 2111601818, now seen corresponding path program 1 times [2024-11-17 04:17:48,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:17:48,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512751563] [2024-11-17 04:17:48,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:17:48,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:17:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:17:48,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [115774633] [2024-11-17 04:17:48,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:17:48,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:17:48,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:17:48,927 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:17:48,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-17 04:17:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:17:48,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-17 04:17:48,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:17:49,199 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:17:49,200 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:17:50,186 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:17:50,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:17:50,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512751563] [2024-11-17 04:17:50,187 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:17:50,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115774633] [2024-11-17 04:17:50,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [115774633] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:17:50,187 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:17:50,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-17 04:17:50,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042318590] [2024-11-17 04:17:50,187 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:17:50,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 04:17:50,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:17:50,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 04:17:50,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:17:50,188 INFO L87 Difference]: Start difference. First operand 448 states and 564 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:17:53,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:17:53,251 INFO L93 Difference]: Finished difference Result 587 states and 741 transitions. [2024-11-17 04:17:53,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-17 04:17:53,251 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2024-11-17 04:17:53,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:17:53,253 INFO L225 Difference]: With dead ends: 587 [2024-11-17 04:17:53,253 INFO L226 Difference]: Without dead ends: 585 [2024-11-17 04:17:53,253 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=178, Invalid=374, Unknown=0, NotChecked=0, Total=552 [2024-11-17 04:17:53,254 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 457 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:17:53,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 88 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 610 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-17 04:17:53,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2024-11-17 04:17:53,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 495. [2024-11-17 04:17:53,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 450 states have (on average 1.3444444444444446) internal successors, (605), 484 states have internal predecessors, (605), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 04:17:53,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 623 transitions. [2024-11-17 04:17:53,290 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 623 transitions. Word has length 38 [2024-11-17 04:17:53,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:17:53,290 INFO L471 AbstractCegarLoop]: Abstraction has 495 states and 623 transitions. [2024-11-17 04:17:53,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:17:53,290 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 623 transitions. [2024-11-17 04:17:53,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-17 04:17:53,291 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:17:53,291 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:17:53,309 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-17 04:17:53,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-17 04:17:53,492 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:17:53,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:17:53,492 INFO L85 PathProgramCache]: Analyzing trace with hash -734164508, now seen corresponding path program 1 times [2024-11-17 04:17:53,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:17:53,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917841568] [2024-11-17 04:17:53,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:17:53,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:17:53,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:17:53,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1320854532] [2024-11-17 04:17:53,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:17:53,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:17:53,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:17:53,506 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:17:53,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-17 04:17:53,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:17:53,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-17 04:17:53,545 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:17:53,922 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:17:53,922 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:17:54,223 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:17:54,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:17:54,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917841568] [2024-11-17 04:17:54,223 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:17:54,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1320854532] [2024-11-17 04:17:54,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1320854532] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-17 04:17:54,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:17:54,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2024-11-17 04:17:54,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17889956] [2024-11-17 04:17:54,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:17:54,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:17:54,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:17:54,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:17:54,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:17:54,225 INFO L87 Difference]: Start difference. First operand 495 states and 623 transitions. Second operand has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:17:55,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:17:55,414 INFO L93 Difference]: Finished difference Result 505 states and 635 transitions. [2024-11-17 04:17:55,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:17:55,414 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2024-11-17 04:17:55,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:17:55,415 INFO L225 Difference]: With dead ends: 505 [2024-11-17 04:17:55,415 INFO L226 Difference]: Without dead ends: 504 [2024-11-17 04:17:55,416 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 63 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:17:55,416 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 125 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:17:55,416 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 83 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-17 04:17:55,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2024-11-17 04:17:55,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 504. [2024-11-17 04:17:55,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 459 states have (on average 1.3355119825708062) internal successors, (613), 493 states have internal predecessors, (613), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 04:17:55,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 631 transitions. [2024-11-17 04:17:55,448 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 631 transitions. Word has length 38 [2024-11-17 04:17:55,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:17:55,448 INFO L471 AbstractCegarLoop]: Abstraction has 504 states and 631 transitions. [2024-11-17 04:17:55,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:17:55,448 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 631 transitions. [2024-11-17 04:17:55,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-17 04:17:55,449 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:17:55,449 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:17:55,466 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-17 04:17:55,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-17 04:17:55,650 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:17:55,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:17:55,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1135468083, now seen corresponding path program 1 times [2024-11-17 04:17:55,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:17:55,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107848072] [2024-11-17 04:17:55,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:17:55,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:17:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:17:55,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [727635256] [2024-11-17 04:17:55,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:17:55,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:17:55,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:17:55,664 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:17:55,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-17 04:17:55,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:17:55,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-17 04:17:55,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:17:55,970 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:17:55,970 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:17:56,384 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:17:56,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:17:56,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107848072] [2024-11-17 04:17:56,384 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:17:56,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727635256] [2024-11-17 04:17:56,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727635256] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:17:56,385 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:17:56,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-17 04:17:56,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305585365] [2024-11-17 04:17:56,385 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:17:56,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-17 04:17:56,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:17:56,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-17 04:17:56,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:17:56,386 INFO L87 Difference]: Start difference. First operand 504 states and 631 transitions. Second operand has 14 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 14 states have internal predecessors, (74), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:18:01,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:18:01,059 INFO L93 Difference]: Finished difference Result 537 states and 675 transitions. [2024-11-17 04:18:01,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-17 04:18:01,060 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 14 states have internal predecessors, (74), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2024-11-17 04:18:01,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:18:01,061 INFO L225 Difference]: With dead ends: 537 [2024-11-17 04:18:01,061 INFO L226 Difference]: Without dead ends: 536 [2024-11-17 04:18:01,062 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2024-11-17 04:18:01,063 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 608 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 730 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:18:01,063 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [608 Valid, 120 Invalid, 777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 730 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-11-17 04:18:01,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2024-11-17 04:18:01,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 521. [2024-11-17 04:18:01,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 476 states have (on average 1.3298319327731092) internal successors, (633), 510 states have internal predecessors, (633), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 04:18:01,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 651 transitions. [2024-11-17 04:18:01,097 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 651 transitions. Word has length 41 [2024-11-17 04:18:01,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:18:01,097 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 651 transitions. [2024-11-17 04:18:01,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 14 states have internal predecessors, (74), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:18:01,097 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 651 transitions. [2024-11-17 04:18:01,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-17 04:18:01,098 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:18:01,098 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:18:01,114 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-17 04:18:01,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:18:01,299 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-17 04:18:01,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:18:01,299 INFO L85 PathProgramCache]: Analyzing trace with hash 263136945, now seen corresponding path program 1 times [2024-11-17 04:18:01,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:18:01,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402276798] [2024-11-17 04:18:01,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:18:01,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:18:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:18:01,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1079409415] [2024-11-17 04:18:01,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:18:01,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:18:01,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:18:01,315 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:18:01,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-17 04:18:01,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:18:01,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-17 04:18:01,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:18:01,783 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:18:01,783 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:18:02,596 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:18:02,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:18:02,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402276798] [2024-11-17 04:18:02,596 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:18:02,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079409415] [2024-11-17 04:18:02,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1079409415] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:18:02,596 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:18:02,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-17 04:18:02,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952289860] [2024-11-17 04:18:02,597 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:18:02,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-17 04:18:02,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:18:02,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-17 04:18:02,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:18:02,598 INFO L87 Difference]: Start difference. First operand 521 states and 651 transitions. Second operand has 14 states, 13 states have (on average 6.0) internal successors, (78), 14 states have internal predecessors, (78), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)