./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound100.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-scaling/ps4-ll_unwindbound100.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 47fbdb3da16165eeeef0687b73275c90a2682f5a520ac2387154637187559fe6 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 04:48:51,230 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 04:48:51,317 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 04:48:51,320 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 04:48:51,321 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 04:48:51,339 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 04:48:51,340 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 04:48:51,340 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 04:48:51,341 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 04:48:51,341 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 04:48:51,341 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 04:48:51,342 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 04:48:51,342 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 04:48:51,345 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 04:48:51,345 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 04:48:51,346 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 04:48:51,346 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 04:48:51,346 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 04:48:51,346 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 04:48:51,347 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 04:48:51,347 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 04:48:51,351 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 04:48:51,351 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 04:48:51,351 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 04:48:51,351 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 04:48:51,352 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 04:48:51,352 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 04:48:51,352 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 04:48:51,352 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 04:48:51,352 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 04:48:51,353 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 04:48:51,353 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 04:48:51,353 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 04:48:51,353 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 04:48:51,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:48:51,354 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 04:48:51,354 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 04:48:51,354 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 04:48:51,354 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 04:48:51,354 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 04:48:51,354 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 04:48:51,355 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 04:48:51,356 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 04:48:51,356 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 04:48:51,356 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47fbdb3da16165eeeef0687b73275c90a2682f5a520ac2387154637187559fe6 [2024-11-17 04:48:51,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 04:48:51,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 04:48:51,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 04:48:51,623 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 04:48:51,624 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 04:48:51,625 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound100.c [2024-11-17 04:48:53,071 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 04:48:53,232 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 04:48:53,232 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound100.c [2024-11-17 04:48:53,239 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bf90ce73/1f1346d6725c468a88b108cd38357d49/FLAG72b4f5d2c [2024-11-17 04:48:53,633 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bf90ce73/1f1346d6725c468a88b108cd38357d49 [2024-11-17 04:48:53,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 04:48:53,636 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 04:48:53,637 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 04:48:53,638 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 04:48:53,643 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 04:48:53,643 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:48:53" (1/1) ... [2024-11-17 04:48:53,644 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4208c94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:48:53, skipping insertion in model container [2024-11-17 04:48:53,644 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:48:53" (1/1) ... [2024-11-17 04:48:53,659 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 04:48:53,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:48:53,871 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 04:48:53,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:48:53,953 INFO L204 MainTranslator]: Completed translation [2024-11-17 04:48:53,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:48:53 WrapperNode [2024-11-17 04:48:53,957 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 04:48:53,958 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 04:48:53,958 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 04:48:53,958 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 04:48:53,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:48:53" (1/1) ... [2024-11-17 04:48:53,976 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:48:53" (1/1) ... [2024-11-17 04:48:54,004 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 106 [2024-11-17 04:48:54,005 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 04:48:54,005 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 04:48:54,005 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 04:48:54,006 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 04:48:54,014 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:48:53" (1/1) ... [2024-11-17 04:48:54,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:48:53" (1/1) ... [2024-11-17 04:48:54,016 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:48:53" (1/1) ... [2024-11-17 04:48:54,031 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 04:48:54,031 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:48:53" (1/1) ... [2024-11-17 04:48:54,032 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:48:53" (1/1) ... [2024-11-17 04:48:54,034 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:48:53" (1/1) ... [2024-11-17 04:48:54,035 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:48:53" (1/1) ... [2024-11-17 04:48:54,036 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:48:53" (1/1) ... [2024-11-17 04:48:54,037 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:48:53" (1/1) ... [2024-11-17 04:48:54,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 04:48:54,039 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 04:48:54,040 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 04:48:54,040 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 04:48:54,040 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:48:53" (1/1) ... [2024-11-17 04:48:54,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:48:54,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:48:54,072 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 04:48:54,073 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 04:48:54,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 04:48:54,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 04:48:54,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 04:48:54,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 04:48:54,109 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 04:48:54,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 04:48:54,162 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 04:48:54,163 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 04:48:54,578 INFO L? ?]: Removed 75 outVars from TransFormulas that were not future-live. [2024-11-17 04:48:54,578 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 04:48:54,602 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 04:48:54,604 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 04:48:54,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:48:54 BoogieIcfgContainer [2024-11-17 04:48:54,604 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 04:48:54,606 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 04:48:54,606 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 04:48:54,608 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 04:48:54,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:48:53" (1/3) ... [2024-11-17 04:48:54,609 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb94fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:48:54, skipping insertion in model container [2024-11-17 04:48:54,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:48:53" (2/3) ... [2024-11-17 04:48:54,609 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb94fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:48:54, skipping insertion in model container [2024-11-17 04:48:54,610 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:48:54" (3/3) ... [2024-11-17 04:48:54,610 INFO L112 eAbstractionObserver]: Analyzing ICFG ps4-ll_unwindbound100.c [2024-11-17 04:48:54,621 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 04:48:54,621 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations. [2024-11-17 04:48:54,670 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 04:48:54,676 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;@37356d86, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 04:48:54,677 INFO L334 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2024-11-17 04:48:54,680 INFO L276 IsEmpty]: Start isEmpty. Operand has 146 states, 79 states have (on average 1.8354430379746836) internal successors, (145), 141 states have internal predecessors, (145), 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 04:48:54,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-17 04:48:54,685 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:48:54,685 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-17 04:48:54,686 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-17 04:48:54,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:48:54,690 INFO L85 PathProgramCache]: Analyzing trace with hash 5263007, now seen corresponding path program 1 times [2024-11-17 04:48:54,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:48:54,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484890386] [2024-11-17 04:48:54,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:54,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:48:54,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:54,890 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 04:48:54,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:48:54,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484890386] [2024-11-17 04:48:54,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484890386] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:48:54,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:48:54,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:48:54,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494953273] [2024-11-17 04:48:54,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:48:54,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:48:54,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:48:54,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:48:54,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:48:54,922 INFO L87 Difference]: Start difference. First operand has 146 states, 79 states have (on average 1.8354430379746836) internal successors, (145), 141 states have internal predecessors, (145), 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 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 04:48:55,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:48:55,023 INFO L93 Difference]: Finished difference Result 284 states and 311 transitions. [2024-11-17 04:48:55,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:48:55,027 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2024-11-17 04:48:55,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:48:55,035 INFO L225 Difference]: With dead ends: 284 [2024-11-17 04:48:55,036 INFO L226 Difference]: Without dead ends: 134 [2024-11-17 04:48:55,041 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 04:48:55,046 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 6 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:48:55,047 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 394 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:48:55,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-11-17 04:48:55,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2024-11-17 04:48:55,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 79 states have (on average 1.6708860759493671) internal successors, (132), 130 states have internal predecessors, (132), 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 04:48:55,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 136 transitions. [2024-11-17 04:48:55,098 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 136 transitions. Word has length 4 [2024-11-17 04:48:55,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:48:55,098 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 136 transitions. [2024-11-17 04:48:55,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 04:48:55,099 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 136 transitions. [2024-11-17 04:48:55,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 04:48:55,100 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:48:55,100 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:48:55,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 04:48:55,101 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-17 04:48:55,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:48:55,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1402290917, now seen corresponding path program 1 times [2024-11-17 04:48:55,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:48:55,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751601671] [2024-11-17 04:48:55,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:55,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:48:55,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:55,175 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 04:48:55,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:48:55,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751601671] [2024-11-17 04:48:55,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751601671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:48:55,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:48:55,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:48:55,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854654569] [2024-11-17 04:48:55,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:48:55,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:48:55,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:48:55,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:48:55,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:48:55,181 INFO L87 Difference]: Start difference. First operand 134 states and 136 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 04:48:55,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:48:55,337 INFO L93 Difference]: Finished difference Result 242 states and 254 transitions. [2024-11-17 04:48:55,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:48:55,338 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 04:48:55,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:48:55,340 INFO L225 Difference]: With dead ends: 242 [2024-11-17 04:48:55,341 INFO L226 Difference]: Without dead ends: 231 [2024-11-17 04:48:55,341 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:48:55,342 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 95 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:48:55,343 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 199 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:48:55,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-17 04:48:55,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 186. [2024-11-17 04:48:55,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 129 states have (on average 1.6511627906976745) internal successors, (213), 180 states have internal predecessors, (213), 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 04:48:55,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 221 transitions. [2024-11-17 04:48:55,364 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 221 transitions. Word has length 8 [2024-11-17 04:48:55,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:48:55,364 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 221 transitions. [2024-11-17 04:48:55,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 04:48:55,365 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 221 transitions. [2024-11-17 04:48:55,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-17 04:48:55,365 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:48:55,365 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:48:55,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 04:48:55,366 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-17 04:48:55,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:48:55,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1498276100, now seen corresponding path program 1 times [2024-11-17 04:48:55,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:48:55,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34347111] [2024-11-17 04:48:55,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:55,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:48:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:48:55,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1120880587] [2024-11-17 04:48:55,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:55,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:48:55,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:48:55,409 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 04:48:55,420 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 04:48:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:55,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:48:55,485 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:48:55,525 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 04:48:55,525 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:48:55,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:48:55,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34347111] [2024-11-17 04:48:55,526 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:48:55,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120880587] [2024-11-17 04:48:55,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1120880587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:48:55,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:48:55,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:48:55,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575658116] [2024-11-17 04:48:55,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:48:55,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:48:55,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:48:55,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:48:55,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:48:55,530 INFO L87 Difference]: Start difference. First operand 186 states and 221 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 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 04:48:55,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:48:55,746 INFO L93 Difference]: Finished difference Result 221 states and 231 transitions. [2024-11-17 04:48:55,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:48:55,747 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 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 04:48:55,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:48:55,750 INFO L225 Difference]: With dead ends: 221 [2024-11-17 04:48:55,750 INFO L226 Difference]: Without dead ends: 194 [2024-11-17 04:48:55,750 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:48:55,751 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 54 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:48:55,751 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 109 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:48:55,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-17 04:48:55,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 191. [2024-11-17 04:48:55,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 134 states have (on average 1.455223880597015) internal successors, (195), 185 states have internal predecessors, (195), 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 04:48:55,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 203 transitions. [2024-11-17 04:48:55,773 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 203 transitions. Word has length 11 [2024-11-17 04:48:55,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:48:55,774 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 203 transitions. [2024-11-17 04:48:55,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 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 04:48:55,774 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 203 transitions. [2024-11-17 04:48:55,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-17 04:48:55,774 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:48:55,774 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:48:55,793 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 04:48:55,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:48:55,975 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-17 04:48:55,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:48:55,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1832272531, now seen corresponding path program 1 times [2024-11-17 04:48:55,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:48:55,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984739007] [2024-11-17 04:48:55,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:55,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:48:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:56,053 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 04:48:56,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:48:56,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984739007] [2024-11-17 04:48:56,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984739007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:48:56,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:48:56,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:48:56,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402743451] [2024-11-17 04:48:56,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:48:56,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:48:56,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:48:56,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:48:56,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:48:56,056 INFO L87 Difference]: Start difference. First operand 191 states and 203 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 04:48:56,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:48:56,208 INFO L93 Difference]: Finished difference Result 210 states and 216 transitions. [2024-11-17 04:48:56,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:48:56,208 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 16 [2024-11-17 04:48:56,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:48:56,209 INFO L225 Difference]: With dead ends: 210 [2024-11-17 04:48:56,210 INFO L226 Difference]: Without dead ends: 176 [2024-11-17 04:48:56,210 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 04:48:56,211 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 120 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:48:56,212 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 190 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:48:56,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-11-17 04:48:56,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 163. [2024-11-17 04:48:56,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 107 states have (on average 1.514018691588785) internal successors, (162), 158 states have internal predecessors, (162), 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 04:48:56,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 168 transitions. [2024-11-17 04:48:56,224 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 168 transitions. Word has length 16 [2024-11-17 04:48:56,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:48:56,224 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 168 transitions. [2024-11-17 04:48:56,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 04:48:56,224 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 168 transitions. [2024-11-17 04:48:56,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-17 04:48:56,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:48:56,225 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 04:48:56,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 04:48:56,225 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-17 04:48:56,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:48:56,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1007407893, now seen corresponding path program 1 times [2024-11-17 04:48:56,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:48:56,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915134345] [2024-11-17 04:48:56,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:56,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:48:56,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:56,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-17 04:48:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:56,322 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 04:48:56,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:48:56,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915134345] [2024-11-17 04:48:56,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915134345] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:48:56,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:48:56,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:48:56,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532255752] [2024-11-17 04:48:56,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:48:56,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:48:56,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:48:56,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:48:56,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:48:56,325 INFO L87 Difference]: Start difference. First operand 163 states and 168 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 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 04:48:56,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:48:56,352 INFO L93 Difference]: Finished difference Result 165 states and 168 transitions. [2024-11-17 04:48:56,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:48:56,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 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 04:48:56,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:48:56,354 INFO L225 Difference]: With dead ends: 165 [2024-11-17 04:48:56,355 INFO L226 Difference]: Without dead ends: 163 [2024-11-17 04:48:56,355 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:48:56,356 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 2 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:48:56,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 250 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:48:56,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-11-17 04:48:56,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2024-11-17 04:48:56,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 107 states have (on average 1.4953271028037383) internal successors, (160), 158 states have internal predecessors, (160), 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 04:48:56,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 166 transitions. [2024-11-17 04:48:56,372 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 166 transitions. Word has length 36 [2024-11-17 04:48:56,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:48:56,373 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 166 transitions. [2024-11-17 04:48:56,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 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 04:48:56,373 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 166 transitions. [2024-11-17 04:48:56,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-17 04:48:56,374 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:48:56,374 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, 1, 1, 1, 1, 1, 1] [2024-11-17 04:48:56,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 04:48:56,376 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-17 04:48:56,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:48:56,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1547107746, now seen corresponding path program 1 times [2024-11-17 04:48:56,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:48:56,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181851440] [2024-11-17 04:48:56,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:56,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:48:56,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:48:56,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1666537314] [2024-11-17 04:48:56,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:56,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:48:56,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:48:56,420 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 04:48:56,422 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 04:48:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:56,473 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:48:56,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:48:56,562 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 04:48:56,565 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:48:56,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:48:56,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181851440] [2024-11-17 04:48:56,565 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:48:56,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1666537314] [2024-11-17 04:48:56,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1666537314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:48:56,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:48:56,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:48:56,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450772682] [2024-11-17 04:48:56,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:48:56,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:48:56,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:48:56,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:48:56,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:48:56,571 INFO L87 Difference]: Start difference. First operand 163 states and 166 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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 04:48:56,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:48:56,835 INFO L93 Difference]: Finished difference Result 269 states and 293 transitions. [2024-11-17 04:48:56,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:48:56,835 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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 43 [2024-11-17 04:48:56,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:48:56,837 INFO L225 Difference]: With dead ends: 269 [2024-11-17 04:48:56,837 INFO L226 Difference]: Without dead ends: 243 [2024-11-17 04:48:56,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:48:56,838 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 76 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:48:56,839 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 132 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:48:56,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2024-11-17 04:48:56,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 232. [2024-11-17 04:48:56,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 174 states have (on average 1.4540229885057472) internal successors, (253), 225 states have internal predecessors, (253), 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 04:48:56,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 263 transitions. [2024-11-17 04:48:56,857 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 263 transitions. Word has length 43 [2024-11-17 04:48:56,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:48:56,857 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 263 transitions. [2024-11-17 04:48:56,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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 04:48:56,857 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 263 transitions. [2024-11-17 04:48:56,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-17 04:48:56,858 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:48:56,859 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:48:56,871 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 04:48:57,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-17 04:48:57,060 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-17 04:48:57,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:48:57,061 INFO L85 PathProgramCache]: Analyzing trace with hash 592845378, now seen corresponding path program 1 times [2024-11-17 04:48:57,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:48:57,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309596485] [2024-11-17 04:48:57,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:57,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:48:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:57,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-17 04:48:57,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:57,179 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 04:48:57,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:48:57,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309596485] [2024-11-17 04:48:57,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309596485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:48:57,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:48:57,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:48:57,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796704577] [2024-11-17 04:48:57,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:48:57,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:48:57,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:48:57,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:48:57,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:48:57,184 INFO L87 Difference]: Start difference. First operand 232 states and 263 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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 04:48:57,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:48:57,268 INFO L93 Difference]: Finished difference Result 233 states and 263 transitions. [2024-11-17 04:48:57,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:48:57,269 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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 46 [2024-11-17 04:48:57,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:48:57,271 INFO L225 Difference]: With dead ends: 233 [2024-11-17 04:48:57,271 INFO L226 Difference]: Without dead ends: 232 [2024-11-17 04:48:57,272 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 04:48:57,272 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 39 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:48:57,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 192 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:48:57,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-17 04:48:57,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 232. [2024-11-17 04:48:57,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 174 states have (on average 1.4482758620689655) internal successors, (252), 225 states have internal predecessors, (252), 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 04:48:57,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 262 transitions. [2024-11-17 04:48:57,286 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 262 transitions. Word has length 46 [2024-11-17 04:48:57,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:48:57,286 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 262 transitions. [2024-11-17 04:48:57,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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 04:48:57,287 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 262 transitions. [2024-11-17 04:48:57,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-17 04:48:57,289 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:48:57,289 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:48:57,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 04:48:57,289 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-17 04:48:57,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:48:57,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1198337566, now seen corresponding path program 1 times [2024-11-17 04:48:57,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:48:57,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619767624] [2024-11-17 04:48:57,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:57,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:48:57,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:57,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-17 04:48:57,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:57,415 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 04:48:57,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:48:57,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619767624] [2024-11-17 04:48:57,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619767624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:48:57,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:48:57,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:48:57,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33606910] [2024-11-17 04:48:57,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:48:57,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:48:57,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:48:57,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:48:57,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:48:57,422 INFO L87 Difference]: Start difference. First operand 232 states and 262 transitions. Second operand has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 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 04:48:57,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:48:57,505 INFO L93 Difference]: Finished difference Result 233 states and 262 transitions. [2024-11-17 04:48:57,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:48:57,506 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 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 47 [2024-11-17 04:48:57,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:48:57,507 INFO L225 Difference]: With dead ends: 233 [2024-11-17 04:48:57,507 INFO L226 Difference]: Without dead ends: 232 [2024-11-17 04:48:57,508 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 04:48:57,509 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 35 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:48:57,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 197 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:48:57,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-17 04:48:57,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 232. [2024-11-17 04:48:57,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 174 states have (on average 1.4425287356321839) internal successors, (251), 225 states have internal predecessors, (251), 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 04:48:57,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 261 transitions. [2024-11-17 04:48:57,518 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 261 transitions. Word has length 47 [2024-11-17 04:48:57,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:48:57,518 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 261 transitions. [2024-11-17 04:48:57,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 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 04:48:57,518 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 261 transitions. [2024-11-17 04:48:57,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-17 04:48:57,519 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:48:57,520 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:48:57,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 04:48:57,520 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-17 04:48:57,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:48:57,520 INFO L85 PathProgramCache]: Analyzing trace with hash -93702401, now seen corresponding path program 1 times [2024-11-17 04:48:57,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:48:57,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411452955] [2024-11-17 04:48:57,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:57,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:48:57,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:57,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-17 04:48:57,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:57,668 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:48:57,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:48:57,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411452955] [2024-11-17 04:48:57,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411452955] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:48:57,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131950156] [2024-11-17 04:48:57,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:57,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:48:57,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:48:57,671 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 04:48:57,672 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 04:48:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:57,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:48:57,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:48:57,831 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:48:57,831 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:48:57,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [131950156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:48:57,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:48:57,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-17 04:48:57,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990363806] [2024-11-17 04:48:57,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:48:57,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:48:57,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:48:57,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:48:57,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:48:57,833 INFO L87 Difference]: Start difference. First operand 232 states and 261 transitions. Second operand has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 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 04:48:57,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:48:57,863 INFO L93 Difference]: Finished difference Result 232 states and 261 transitions. [2024-11-17 04:48:57,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:48:57,864 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 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 50 [2024-11-17 04:48:57,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:48:57,865 INFO L225 Difference]: With dead ends: 232 [2024-11-17 04:48:57,866 INFO L226 Difference]: Without dead ends: 231 [2024-11-17 04:48:57,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:48:57,867 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 89 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:48:57,868 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 367 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:48:57,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-17 04:48:57,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2024-11-17 04:48:57,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 174 states have (on average 1.4310344827586208) internal successors, (249), 224 states have internal predecessors, (249), 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 04:48:57,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 259 transitions. [2024-11-17 04:48:57,876 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 259 transitions. Word has length 50 [2024-11-17 04:48:57,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:48:57,876 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 259 transitions. [2024-11-17 04:48:57,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 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 04:48:57,877 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 259 transitions. [2024-11-17 04:48:57,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-17 04:48:57,877 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:48:57,878 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:48:57,894 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-17 04:48:58,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:48:58,079 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-17 04:48:58,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:48:58,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1390192969, now seen corresponding path program 1 times [2024-11-17 04:48:58,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:48:58,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443344179] [2024-11-17 04:48:58,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:58,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:48:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:58,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-17 04:48:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:58,236 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 04:48:58,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:48:58,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443344179] [2024-11-17 04:48:58,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443344179] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:48:58,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493805483] [2024-11-17 04:48:58,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:58,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:48:58,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:48:58,239 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 04:48:58,240 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 04:48:58,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:58,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:48:58,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:48:58,362 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:48:58,363 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:48:58,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [493805483] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:48:58,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:48:58,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-17 04:48:58,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083361009] [2024-11-17 04:48:58,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:48:58,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:48:58,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:48:58,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:48:58,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:48:58,366 INFO L87 Difference]: Start difference. First operand 231 states and 259 transitions. Second operand has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 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 04:48:58,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:48:58,409 INFO L93 Difference]: Finished difference Result 314 states and 352 transitions. [2024-11-17 04:48:58,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:48:58,410 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 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 51 [2024-11-17 04:48:58,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:48:58,411 INFO L225 Difference]: With dead ends: 314 [2024-11-17 04:48:58,411 INFO L226 Difference]: Without dead ends: 313 [2024-11-17 04:48:58,412 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:48:58,413 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 88 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:48:58,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 573 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:48:58,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-11-17 04:48:58,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 248. [2024-11-17 04:48:58,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 189 states have (on average 1.433862433862434) internal successors, (271), 240 states have internal predecessors, (271), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-17 04:48:58,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 285 transitions. [2024-11-17 04:48:58,422 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 285 transitions. Word has length 51 [2024-11-17 04:48:58,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:48:58,423 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 285 transitions. [2024-11-17 04:48:58,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 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 04:48:58,424 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 285 transitions. [2024-11-17 04:48:58,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-17 04:48:58,427 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:48:58,427 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:48:58,448 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 04:48:58,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:48:58,628 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-17 04:48:58,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:48:58,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1130793706, now seen corresponding path program 1 times [2024-11-17 04:48:58,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:48:58,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833286116] [2024-11-17 04:48:58,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:58,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:48:58,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:58,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-17 04:48:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:58,723 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 04:48:58,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:48:58,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833286116] [2024-11-17 04:48:58,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833286116] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:48:58,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387411329] [2024-11-17 04:48:58,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:58,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:48:58,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:48:58,726 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 04:48:58,727 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 04:48:58,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:58,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:48:58,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:48:58,856 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 04:48:58,857 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:48:58,960 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 04:48:58,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1387411329] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:48:58,961 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:48:58,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 13 [2024-11-17 04:48:58,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964667529] [2024-11-17 04:48:58,962 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:48:58,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-17 04:48:58,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:48:58,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-17 04:48:58,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:48:58,963 INFO L87 Difference]: Start difference. First operand 248 states and 285 transitions. Second operand has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:48:59,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:48:59,075 INFO L93 Difference]: Finished difference Result 499 states and 521 transitions. [2024-11-17 04:48:59,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-17 04:48:59,076 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 54 [2024-11-17 04:48:59,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:48:59,079 INFO L225 Difference]: With dead ends: 499 [2024-11-17 04:48:59,079 INFO L226 Difference]: Without dead ends: 416 [2024-11-17 04:48:59,080 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2024-11-17 04:48:59,080 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 201 mSDsluCounter, 854 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 1018 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:48:59,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 1018 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:48:59,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-11-17 04:48:59,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 315. [2024-11-17 04:48:59,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 252 states have (on average 1.4563492063492063) internal successors, (367), 303 states have internal predecessors, (367), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:48:59,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 383 transitions. [2024-11-17 04:48:59,095 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 383 transitions. Word has length 54 [2024-11-17 04:48:59,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:48:59,095 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 383 transitions. [2024-11-17 04:48:59,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:48:59,096 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 383 transitions. [2024-11-17 04:48:59,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-17 04:48:59,097 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:48:59,097 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:48:59,115 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 04:48:59,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-17 04:48:59,303 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-17 04:48:59,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:48:59,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1130793605, now seen corresponding path program 1 times [2024-11-17 04:48:59,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:48:59,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048564940] [2024-11-17 04:48:59,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:59,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:48:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:48:59,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1151073933] [2024-11-17 04:48:59,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:48:59,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:48:59,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:48:59,318 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 04:48:59,320 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 04:48:59,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:48:59,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 04:48:59,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:48:59,587 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 04:48:59,587 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:48:59,747 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 04:48:59,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:48:59,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048564940] [2024-11-17 04:48:59,750 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:48:59,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1151073933] [2024-11-17 04:48:59,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1151073933] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-17 04:48:59,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:48:59,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2024-11-17 04:48:59,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722121648] [2024-11-17 04:48:59,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:48:59,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:48:59,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:48:59,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:48:59,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:48:59,752 INFO L87 Difference]: Start difference. First operand 315 states and 383 transitions. Second operand has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 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 04:49:00,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:49:00,304 INFO L93 Difference]: Finished difference Result 337 states and 422 transitions. [2024-11-17 04:49:00,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:49:00,304 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 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 54 [2024-11-17 04:49:00,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:49:00,306 INFO L225 Difference]: With dead ends: 337 [2024-11-17 04:49:00,307 INFO L226 Difference]: Without dead ends: 334 [2024-11-17 04:49:00,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:49:00,307 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 261 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:49:00,307 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 107 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:49:00,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-11-17 04:49:00,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 312. [2024-11-17 04:49:00,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 252 states have (on average 1.4246031746031746) internal successors, (359), 300 states have internal predecessors, (359), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:49:00,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 375 transitions. [2024-11-17 04:49:00,320 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 375 transitions. Word has length 54 [2024-11-17 04:49:00,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:49:00,320 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 375 transitions. [2024-11-17 04:49:00,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 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 04:49:00,321 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 375 transitions. [2024-11-17 04:49:00,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-17 04:49:00,321 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:49:00,321 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:49:00,338 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-17 04:49:00,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:49:00,522 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-17 04:49:00,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:49:00,523 INFO L85 PathProgramCache]: Analyzing trace with hash -694863290, now seen corresponding path program 1 times [2024-11-17 04:49:00,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:49:00,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897468622] [2024-11-17 04:49:00,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:49:00,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:49:00,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:49:00,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [742922421] [2024-11-17 04:49:00,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:49:00,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:49:00,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:49:00,540 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 04:49:00,541 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 04:49:00,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:49:00,586 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 04:49:00,587 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:49:00,741 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 04:49:00,741 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:49:00,878 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 04:49:00,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:49:00,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897468622] [2024-11-17 04:49:00,878 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:49:00,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742922421] [2024-11-17 04:49:00,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742922421] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:49:00,879 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:49:00,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-17 04:49:00,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545639810] [2024-11-17 04:49:00,879 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:49:00,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:49:00,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:49:00,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:49:00,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:49:00,881 INFO L87 Difference]: Start difference. First operand 312 states and 375 transitions. Second operand has 8 states, 7 states have (on average 14.571428571428571) internal successors, (102), 8 states have internal predecessors, (102), 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 04:49:01,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:49:01,334 INFO L93 Difference]: Finished difference Result 333 states and 381 transitions. [2024-11-17 04:49:01,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:49:01,335 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 14.571428571428571) internal successors, (102), 8 states have internal predecessors, (102), 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 55 [2024-11-17 04:49:01,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:49:01,336 INFO L225 Difference]: With dead ends: 333 [2024-11-17 04:49:01,336 INFO L226 Difference]: Without dead ends: 321 [2024-11-17 04:49:01,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:49:01,337 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 223 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:49:01,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 226 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:49:01,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-17 04:49:01,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 307. [2024-11-17 04:49:01,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 253 states have (on average 1.3478260869565217) internal successors, (341), 294 states have internal predecessors, (341), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:49:01,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 357 transitions. [2024-11-17 04:49:01,349 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 357 transitions. Word has length 55 [2024-11-17 04:49:01,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:49:01,349 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 357 transitions. [2024-11-17 04:49:01,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 14.571428571428571) internal successors, (102), 8 states have internal predecessors, (102), 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 04:49:01,350 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 357 transitions. [2024-11-17 04:49:01,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-17 04:49:01,350 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:49:01,350 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:49:01,368 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-17 04:49:01,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:49:01,551 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-17 04:49:01,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:49:01,552 INFO L85 PathProgramCache]: Analyzing trace with hash 953588467, now seen corresponding path program 1 times [2024-11-17 04:49:01,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:49:01,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697580935] [2024-11-17 04:49:01,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:49:01,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:49:01,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:49:01,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1315685552] [2024-11-17 04:49:01,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:49:01,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:49:01,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:49:01,581 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 04:49:01,583 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 04:49:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:49:01,624 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:49:01,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:49:01,813 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:49:01,813 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:49:01,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:49:01,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697580935] [2024-11-17 04:49:01,813 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:49:01,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1315685552] [2024-11-17 04:49:01,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1315685552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:49:01,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:49:01,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 04:49:01,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234760089] [2024-11-17 04:49:01,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:49:01,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:49:01,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:49:01,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:49:01,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:49:01,816 INFO L87 Difference]: Start difference. First operand 307 states and 357 transitions. Second operand has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 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 04:49:02,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:49:02,607 INFO L93 Difference]: Finished difference Result 317 states and 367 transitions. [2024-11-17 04:49:02,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:49:02,608 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 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 62 [2024-11-17 04:49:02,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:49:02,609 INFO L225 Difference]: With dead ends: 317 [2024-11-17 04:49:02,609 INFO L226 Difference]: Without dead ends: 246 [2024-11-17 04:49:02,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:49:02,610 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 104 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 04:49:02,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 79 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 04:49:02,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-17 04:49:02,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 234. [2024-11-17 04:49:02,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 206 states have (on average 1.1699029126213591) internal successors, (241), 223 states have internal predecessors, (241), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:49:02,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 251 transitions. [2024-11-17 04:49:02,619 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 251 transitions. Word has length 62 [2024-11-17 04:49:02,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:49:02,619 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 251 transitions. [2024-11-17 04:49:02,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 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 04:49:02,620 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 251 transitions. [2024-11-17 04:49:02,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-17 04:49:02,620 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:49:02,620 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-17 04:49:02,637 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-17 04:49:02,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-17 04:49:02,825 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-17 04:49:02,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:49:02,826 INFO L85 PathProgramCache]: Analyzing trace with hash -850094827, now seen corresponding path program 1 times [2024-11-17 04:49:02,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:49:02,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697429093] [2024-11-17 04:49:02,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:49:02,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:49:02,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:49:02,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [220122311] [2024-11-17 04:49:02,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:49:02,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:49:02,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:49:02,880 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 04:49:02,882 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 04:49:02,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:49:02,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:49:02,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:49:03,162 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:49:03,162 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:49:03,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:49:03,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697429093] [2024-11-17 04:49:03,349 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:49:03,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [220122311] [2024-11-17 04:49:03,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [220122311] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:49:03,349 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:49:03,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-17 04:49:03,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026479703] [2024-11-17 04:49:03,350 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:49:03,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:49:03,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:49:03,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:49:03,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:49:03,351 INFO L87 Difference]: Start difference. First operand 234 states and 251 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 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 04:49:03,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:49:03,524 INFO L93 Difference]: Finished difference Result 234 states and 251 transitions. [2024-11-17 04:49:03,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:49:03,524 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 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 82 [2024-11-17 04:49:03,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:49:03,525 INFO L225 Difference]: With dead ends: 234 [2024-11-17 04:49:03,525 INFO L226 Difference]: Without dead ends: 232 [2024-11-17 04:49:03,526 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:49:03,526 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 51 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:49:03,526 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 65 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:49:03,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-17 04:49:03,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 232. [2024-11-17 04:49:03,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 206 states have (on average 1.145631067961165) internal successors, (236), 221 states have internal predecessors, (236), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:49:03,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 246 transitions. [2024-11-17 04:49:03,534 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 246 transitions. Word has length 82 [2024-11-17 04:49:03,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:49:03,534 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 246 transitions. [2024-11-17 04:49:03,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 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 04:49:03,534 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 246 transitions. [2024-11-17 04:49:03,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-17 04:49:03,535 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:49:03,535 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-17 04:49:03,552 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 04:49:03,736 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,SelfDestructingSolverStorable14 [2024-11-17 04:49:03,736 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-17 04:49:03,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:49:03,737 INFO L85 PathProgramCache]: Analyzing trace with hash -583135834, now seen corresponding path program 1 times [2024-11-17 04:49:03,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:49:03,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127635639] [2024-11-17 04:49:03,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:49:03,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:49:03,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:49:03,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1987849414] [2024-11-17 04:49:03,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:49:03,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:49:03,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:49:03,753 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 04:49:03,754 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 04:49:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:49:03,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 04:49:03,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:49:04,023 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:49:04,024 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:49:04,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:49:04,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127635639] [2024-11-17 04:49:04,149 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:49:04,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987849414] [2024-11-17 04:49:04,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1987849414] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:49:04,149 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:49:04,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-17 04:49:04,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455533389] [2024-11-17 04:49:04,150 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:49:04,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:49:04,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:49:04,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:49:04,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:49:04,151 INFO L87 Difference]: Start difference. First operand 232 states and 246 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 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 04:49:04,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:49:04,464 INFO L93 Difference]: Finished difference Result 241 states and 254 transitions. [2024-11-17 04:49:04,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:49:04,465 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 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 83 [2024-11-17 04:49:04,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:49:04,466 INFO L225 Difference]: With dead ends: 241 [2024-11-17 04:49:04,466 INFO L226 Difference]: Without dead ends: 237 [2024-11-17 04:49:04,467 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:49:04,467 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 7 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:49:04,468 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 137 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:49:04,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-17 04:49:04,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2024-11-17 04:49:04,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 211 states have (on average 1.1374407582938388) internal successors, (240), 226 states have internal predecessors, (240), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:49:04,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 250 transitions. [2024-11-17 04:49:04,478 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 250 transitions. Word has length 83 [2024-11-17 04:49:04,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:49:04,479 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 250 transitions. [2024-11-17 04:49:04,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 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 04:49:04,479 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 250 transitions. [2024-11-17 04:49:04,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-17 04:49:04,480 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:49:04,480 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:49:04,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-17 04:49:04,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-17 04:49:04,685 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-17 04:49:04,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:49:04,685 INFO L85 PathProgramCache]: Analyzing trace with hash 943106385, now seen corresponding path program 1 times [2024-11-17 04:49:04,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:49:04,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026447968] [2024-11-17 04:49:04,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:49:04,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:49:04,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:49:04,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [757213577] [2024-11-17 04:49:04,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:49:04,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:49:04,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:49:04,705 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 04:49:04,709 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 04:49:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:49:04,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 04:49:04,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:49:04,994 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:49:04,995 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:49:05,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:49:05,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026447968] [2024-11-17 04:49:05,413 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:49:05,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [757213577] [2024-11-17 04:49:05,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [757213577] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:49:05,414 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:49:05,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-17 04:49:05,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602757754] [2024-11-17 04:49:05,414 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:49:05,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:49:05,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:49:05,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:49:05,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:49:05,415 INFO L87 Difference]: Start difference. First operand 237 states and 250 transitions. Second operand has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 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 04:49:05,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:49:05,658 INFO L93 Difference]: Finished difference Result 238 states and 250 transitions. [2024-11-17 04:49:05,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:49:05,659 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 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 86 [2024-11-17 04:49:05,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:49:05,660 INFO L225 Difference]: With dead ends: 238 [2024-11-17 04:49:05,660 INFO L226 Difference]: Without dead ends: 232 [2024-11-17 04:49:05,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:49:05,660 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 9 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:49:05,661 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 126 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:49:05,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-17 04:49:05,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 232. [2024-11-17 04:49:05,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 206 states have (on average 1.1359223300970873) internal successors, (234), 221 states have internal predecessors, (234), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:49:05,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 244 transitions. [2024-11-17 04:49:05,671 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 244 transitions. Word has length 86 [2024-11-17 04:49:05,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:49:05,671 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 244 transitions. [2024-11-17 04:49:05,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 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 04:49:05,671 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 244 transitions. [2024-11-17 04:49:05,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-17 04:49:05,672 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:49:05,672 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:49:05,689 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-17 04:49:05,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-17 04:49:05,873 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-17 04:49:05,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:49:05,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1971480898, now seen corresponding path program 1 times [2024-11-17 04:49:05,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:49:05,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204202571] [2024-11-17 04:49:05,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:49:05,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:49:05,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:49:05,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1649256969] [2024-11-17 04:49:05,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:49:05,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:49:05,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:49:05,890 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 04:49:05,891 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 04:49:05,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:49:05,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:49:05,941 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:49:06,030 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:49:06,031 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:49:06,189 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:49:06,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:49:06,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204202571] [2024-11-17 04:49:06,190 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:49:06,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649256969] [2024-11-17 04:49:06,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649256969] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:49:06,190 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:49:06,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-17 04:49:06,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372227807] [2024-11-17 04:49:06,190 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:49:06,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:49:06,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:49:06,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:49:06,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:49:06,192 INFO L87 Difference]: Start difference. First operand 232 states and 244 transitions. Second operand has 8 states, 7 states have (on average 22.857142857142858) internal successors, (160), 8 states have internal predecessors, (160), 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 04:49:06,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:49:06,436 INFO L93 Difference]: Finished difference Result 241 states and 252 transitions. [2024-11-17 04:49:06,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:49:06,436 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 22.857142857142858) internal successors, (160), 8 states have internal predecessors, (160), 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) Word has length 89 [2024-11-17 04:49:06,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:49:06,437 INFO L225 Difference]: With dead ends: 241 [2024-11-17 04:49:06,438 INFO L226 Difference]: Without dead ends: 235 [2024-11-17 04:49:06,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:49:06,438 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 202 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:49:06,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 164 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:49:06,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-11-17 04:49:06,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 228. [2024-11-17 04:49:06,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 206 states have (on average 1.0922330097087378) internal successors, (225), 217 states have internal predecessors, (225), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:49:06,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 235 transitions. [2024-11-17 04:49:06,446 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 235 transitions. Word has length 89 [2024-11-17 04:49:06,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:49:06,446 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 235 transitions. [2024-11-17 04:49:06,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 22.857142857142858) internal successors, (160), 8 states have internal predecessors, (160), 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 04:49:06,447 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 235 transitions. [2024-11-17 04:49:06,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-17 04:49:06,450 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:49:06,450 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-17 04:49:06,467 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-17 04:49:06,654 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,SelfDestructingSolverStorable17 [2024-11-17 04:49:06,655 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-17 04:49:06,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:49:06,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1704810822, now seen corresponding path program 2 times [2024-11-17 04:49:06,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:49:06,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420452067] [2024-11-17 04:49:06,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:49:06,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:49:06,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:49:06,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [769731005] [2024-11-17 04:49:06,682 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:49:06,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:49:06,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:49:06,684 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 04:49:06,686 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 04:49:06,732 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-17 04:49:06,732 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:49:06,732 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:49:06,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:49:07,090 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-17 04:49:07,091 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:49:07,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:49:07,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420452067] [2024-11-17 04:49:07,091 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:49:07,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769731005] [2024-11-17 04:49:07,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [769731005] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:49:07,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:49:07,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:49:07,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384021968] [2024-11-17 04:49:07,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:49:07,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:49:07,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:49:07,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:49:07,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:49:07,092 INFO L87 Difference]: Start difference. First operand 228 states and 235 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 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 04:49:10,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.79s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-17 04:49:11,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:49:11,303 INFO L93 Difference]: Finished difference Result 230 states and 235 transitions. [2024-11-17 04:49:11,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:49:11,303 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 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 129 [2024-11-17 04:49:11,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:49:11,304 INFO L225 Difference]: With dead ends: 230 [2024-11-17 04:49:11,304 INFO L226 Difference]: Without dead ends: 221 [2024-11-17 04:49:11,304 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 126 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 04:49:11,305 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 45 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:49:11,305 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 67 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-17 04:49:11,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-17 04:49:11,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2024-11-17 04:49:11,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 200 states have (on average 1.07) internal successors, (214), 210 states have internal predecessors, (214), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:49:11,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 224 transitions. [2024-11-17 04:49:11,313 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 224 transitions. Word has length 129 [2024-11-17 04:49:11,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:49:11,313 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 224 transitions. [2024-11-17 04:49:11,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 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 04:49:11,313 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 224 transitions. [2024-11-17 04:49:11,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-17 04:49:11,314 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:49:11,314 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-17 04:49:11,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-17 04:49:11,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:49:11,515 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-17 04:49:11,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:49:11,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1704812519, now seen corresponding path program 1 times [2024-11-17 04:49:11,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:49:11,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371872691] [2024-11-17 04:49:11,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:49:11,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:49:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:49:11,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-17 04:49:11,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:49:11,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 04:49:11,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:49:11,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-17 04:49:11,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:49:11,631 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-17 04:49:11,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:49:11,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371872691] [2024-11-17 04:49:11,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371872691] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:49:11,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [913859693] [2024-11-17 04:49:11,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:49:11,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:49:11,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:49:11,634 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 04:49:11,635 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 04:49:11,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:49:11,702 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:49:11,704 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:49:11,838 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:49:11,838 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:49:11,971 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:49:11,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [913859693] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:49:11,971 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:49:11,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 4] total 9 [2024-11-17 04:49:11,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454001105] [2024-11-17 04:49:11,971 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:49:11,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:49:11,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:49:11,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:49:11,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:49:11,973 INFO L87 Difference]: Start difference. First operand 221 states and 224 transitions. Second operand has 10 states, 9 states have (on average 30.555555555555557) internal successors, (275), 10 states have internal predecessors, (275), 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 04:49:12,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:49:12,042 INFO L93 Difference]: Finished difference Result 250 states and 252 transitions. [2024-11-17 04:49:12,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:49:12,042 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 30.555555555555557) internal successors, (275), 10 states have internal predecessors, (275), 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) Word has length 129 [2024-11-17 04:49:12,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:49:12,043 INFO L225 Difference]: With dead ends: 250 [2024-11-17 04:49:12,043 INFO L226 Difference]: Without dead ends: 249 [2024-11-17 04:49:12,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=122, Unknown=0, NotChecked=0, Total=210 [2024-11-17 04:49:12,044 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 130 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:49:12,044 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 259 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:49:12,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-11-17 04:49:12,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 220. [2024-11-17 04:49:12,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 200 states have (on average 1.06) internal successors, (212), 209 states have internal predecessors, (212), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:49:12,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 222 transitions. [2024-11-17 04:49:12,053 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 222 transitions. Word has length 129 [2024-11-17 04:49:12,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:49:12,053 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 222 transitions. [2024-11-17 04:49:12,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 30.555555555555557) internal successors, (275), 10 states have internal predecessors, (275), 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 04:49:12,054 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 222 transitions. [2024-11-17 04:49:12,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-17 04:49:12,054 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:49:12,055 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1] [2024-11-17 04:49:12,071 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-17 04:49:12,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:49:12,255 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-17 04:49:12,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:49:12,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1892232928, now seen corresponding path program 1 times [2024-11-17 04:49:12,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:49:12,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436138283] [2024-11-17 04:49:12,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:49:12,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:49:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:49:12,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [497524465] [2024-11-17 04:49:12,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:49:12,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:49:12,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:49:12,283 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 04:49:12,288 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 04:49:12,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:49:12,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:49:12,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:49:12,476 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:49:12,477 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:49:12,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:49:12,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436138283] [2024-11-17 04:49:12,534 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:49:12,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [497524465] [2024-11-17 04:49:12,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [497524465] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:49:12,534 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:49:12,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-17 04:49:12,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612460024] [2024-11-17 04:49:12,535 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:49:12,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:49:12,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:49:12,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:49:12,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:49:12,536 INFO L87 Difference]: Start difference. First operand 220 states and 222 transitions. Second operand has 6 states, 5 states have (on average 25.0) internal successors, (125), 6 states have internal predecessors, (125), 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 04:49:12,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:49:12,741 INFO L93 Difference]: Finished difference Result 253 states and 256 transitions. [2024-11-17 04:49:12,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:49:12,742 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 25.0) internal successors, (125), 6 states have internal predecessors, (125), 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) Word has length 137 [2024-11-17 04:49:12,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:49:12,743 INFO L225 Difference]: With dead ends: 253 [2024-11-17 04:49:12,743 INFO L226 Difference]: Without dead ends: 251 [2024-11-17 04:49:12,744 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:49:12,744 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 38 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:49:12,744 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 123 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:49:12,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-11-17 04:49:12,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 226. [2024-11-17 04:49:12,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 206 states have (on average 1.058252427184466) internal successors, (218), 215 states have internal predecessors, (218), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:49:12,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 228 transitions. [2024-11-17 04:49:12,753 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 228 transitions. Word has length 137 [2024-11-17 04:49:12,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:49:12,753 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 228 transitions. [2024-11-17 04:49:12,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 25.0) internal successors, (125), 6 states have internal predecessors, (125), 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 04:49:12,753 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 228 transitions. [2024-11-17 04:49:12,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-17 04:49:12,754 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:49:12,754 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1] [2024-11-17 04:49:12,771 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 04:49:12,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:49:12,955 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-17 04:49:12,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:49:12,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1664676514, now seen corresponding path program 1 times [2024-11-17 04:49:12,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:49:12,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37864563] [2024-11-17 04:49:12,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:49:12,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:49:12,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:49:12,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [516189762] [2024-11-17 04:49:12,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:49:12,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:49:12,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:49:12,981 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 04:49:12,982 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 04:49:13,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:49:13,039 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-17 04:49:13,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:49:13,409 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 3 proven. 127 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-17 04:49:13,409 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:49:14,589 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 3 proven. 127 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-17 04:49:14,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:49:14,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37864563] [2024-11-17 04:49:14,589 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:49:14,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516189762] [2024-11-17 04:49:14,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [516189762] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:49:14,590 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:49:14,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 18 [2024-11-17 04:49:14,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780669558] [2024-11-17 04:49:14,590 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:49:14,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-17 04:49:14,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:49:14,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-17 04:49:14,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2024-11-17 04:49:14,592 INFO L87 Difference]: Start difference. First operand 226 states and 228 transitions. Second operand has 19 states, 18 states have (on average 14.166666666666666) internal successors, (255), 19 states have internal predecessors, (255), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 04:49:19,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-17 04:49:20,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-17 04:49:24,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-17 04:49:28,957 WARN L539 Checker$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 04:49:32,963 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 04:49:33,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:49:33,452 INFO L93 Difference]: Finished difference Result 243 states and 247 transitions. [2024-11-17 04:49:33,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-17 04:49:33,455 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 14.166666666666666) internal successors, (255), 19 states have internal predecessors, (255), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 139 [2024-11-17 04:49:33,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:49:33,456 INFO L225 Difference]: With dead ends: 243 [2024-11-17 04:49:33,456 INFO L226 Difference]: Without dead ends: 242 [2024-11-17 04:49:33,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=170, Invalid=430, Unknown=0, NotChecked=0, Total=600 [2024-11-17 04:49:33,457 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 204 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 925 mSolverCounterSat, 34 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 925 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:49:33,457 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 246 Invalid, 963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 925 Invalid, 4 Unknown, 0 Unchecked, 18.6s Time] [2024-11-17 04:49:33,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2024-11-17 04:49:33,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 225. [2024-11-17 04:49:33,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 206 states have (on average 1.0485436893203883) internal successors, (216), 214 states have internal predecessors, (216), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:49:33,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 226 transitions. [2024-11-17 04:49:33,470 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 226 transitions. Word has length 139 [2024-11-17 04:49:33,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:49:33,471 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 226 transitions. [2024-11-17 04:49:33,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 14.166666666666666) internal successors, (255), 19 states have internal predecessors, (255), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 04:49:33,471 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 226 transitions. [2024-11-17 04:49:33,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-17 04:49:33,472 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:49:33,472 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2024-11-17 04:49:33,489 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 04:49:33,676 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,SelfDestructingSolverStorable21 [2024-11-17 04:49:33,677 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-17 04:49:33,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:49:33,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1891359110, now seen corresponding path program 2 times [2024-11-17 04:49:33,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:49:33,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705432436] [2024-11-17 04:49:33,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:49:33,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:49:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:49:33,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1925451392] [2024-11-17 04:49:33,695 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:49:33,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:49:33,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:49:33,697 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 04:49:33,698 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 04:49:33,758 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:49:33,758 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:49:33,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-17 04:49:33,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:49:34,065 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:49:34,065 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:49:34,424 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:49:34,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:49:34,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705432436] [2024-11-17 04:49:34,424 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:49:34,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1925451392] [2024-11-17 04:49:34,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1925451392] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:49:34,424 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:49:34,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-17 04:49:34,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58170881] [2024-11-17 04:49:34,425 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:49:34,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-17 04:49:34,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:49:34,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-17 04:49:34,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:49:34,426 INFO L87 Difference]: Start difference. First operand 225 states and 226 transitions. Second operand has 16 states, 15 states have (on average 17.733333333333334) internal successors, (266), 16 states have internal predecessors, (266), 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 04:49:35,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:49:35,499 INFO L93 Difference]: Finished difference Result 392 states and 418 transitions. [2024-11-17 04:49:35,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-17 04:49:35,500 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 17.733333333333334) internal successors, (266), 16 states have internal predecessors, (266), 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) Word has length 147 [2024-11-17 04:49:35,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:49:35,501 INFO L225 Difference]: With dead ends: 392 [2024-11-17 04:49:35,501 INFO L226 Difference]: Without dead ends: 389 [2024-11-17 04:49:35,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=155, Invalid=307, Unknown=0, NotChecked=0, Total=462 [2024-11-17 04:49:35,502 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 302 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 1165 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 1186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-17 04:49:35,502 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 380 Invalid, 1186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1165 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-17 04:49:35,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-11-17 04:49:35,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 356. [2024-11-17 04:49:35,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 333 states have (on average 1.063063063063063) internal successors, (354), 341 states have internal predecessors, (354), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 04:49:35,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 372 transitions. [2024-11-17 04:49:35,523 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 372 transitions. Word has length 147 [2024-11-17 04:49:35,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:49:35,524 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 372 transitions. [2024-11-17 04:49:35,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 17.733333333333334) internal successors, (266), 16 states have internal predecessors, (266), 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 04:49:35,524 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 372 transitions. [2024-11-17 04:49:35,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-17 04:49:35,525 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:49:35,525 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2024-11-17 04:49:35,543 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 04:49:35,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:49:35,730 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-17 04:49:35,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:49:35,730 INFO L85 PathProgramCache]: Analyzing trace with hash 949862560, now seen corresponding path program 1 times [2024-11-17 04:49:35,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:49:35,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779475195] [2024-11-17 04:49:35,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:49:35,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:49:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:49:35,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2116436265] [2024-11-17 04:49:35,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:49:35,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:49:35,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:49:35,755 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 04:49:35,757 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 04:49:35,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:49:35,817 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 04:49:35,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:49:35,942 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:49:35,942 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:49:36,250 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:49:36,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:49:36,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779475195] [2024-11-17 04:49:36,250 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:49:36,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2116436265] [2024-11-17 04:49:36,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2116436265] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:49:36,250 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:49:36,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-17 04:49:36,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111364804] [2024-11-17 04:49:36,250 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:49:36,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:49:36,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:49:36,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:49:36,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:49:36,252 INFO L87 Difference]: Start difference. First operand 356 states and 372 transitions. Second operand has 10 states, 9 states have (on average 30.88888888888889) internal successors, (278), 10 states have internal predecessors, (278), 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 04:49:40,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-17 04:49:42,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-17 04:49:46,342 WARN L539 Checker$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 04:49:50,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-17 04:49:54,360 WARN L539 Checker$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 04:49:58,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-17 04:50:02,434 WARN L539 Checker$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 04:50:06,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-17 04:50:10,446 WARN L539 Checker$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 04:50:14,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-17 04:50:18,516 WARN L539 Checker$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 04:50:22,589 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 04:50:22,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:50:22,632 INFO L93 Difference]: Finished difference Result 462 states and 493 transitions. [2024-11-17 04:50:22,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 04:50:22,632 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 30.88888888888889) internal successors, (278), 10 states have internal predecessors, (278), 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) Word has length 153 [2024-11-17 04:50:22,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:50:22,634 INFO L225 Difference]: With dead ends: 462 [2024-11-17 04:50:22,634 INFO L226 Difference]: Without dead ends: 421 [2024-11-17 04:50:22,634 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:50:22,635 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 275 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 30 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:50:22,635 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 310 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 708 Invalid, 11 Unknown, 0 Unchecked, 46.3s Time] [2024-11-17 04:50:22,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2024-11-17 04:50:22,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 409. [2024-11-17 04:50:22,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 385 states have (on average 1.044155844155844) internal successors, (402), 393 states have internal predecessors, (402), 10 states have call successors, (10), 5 states have call predecessors, (10), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-17 04:50:22,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 422 transitions. [2024-11-17 04:50:22,656 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 422 transitions. Word has length 153 [2024-11-17 04:50:22,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:50:22,656 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 422 transitions. [2024-11-17 04:50:22,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 30.88888888888889) internal successors, (278), 10 states have internal predecessors, (278), 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 04:50:22,657 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 422 transitions. [2024-11-17 04:50:22,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-17 04:50:22,658 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:50:22,658 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2024-11-17 04:50:22,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-17 04:50:22,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:50:22,859 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-17 04:50:22,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:50:22,859 INFO L85 PathProgramCache]: Analyzing trace with hash 820910245, now seen corresponding path program 1 times [2024-11-17 04:50:22,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:50:22,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748019767] [2024-11-17 04:50:22,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:50:22,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:50:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:50:23,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-17 04:50:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:50:23,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 04:50:23,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:50:23,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-17 04:50:23,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:50:23,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-17 04:50:23,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:50:23,156 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:50:23,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:50:23,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748019767] [2024-11-17 04:50:23,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748019767] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:50:23,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1967517459] [2024-11-17 04:50:23,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:50:23,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:50:23,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:50:23,159 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 04:50:23,160 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 04:50:23,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:50:23,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 04:50:23,242 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:50:23,439 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:50:23,439 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:50:23,690 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:50:23,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1967517459] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:50:23,691 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:50:23,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 12] total 25 [2024-11-17 04:50:23,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106205302] [2024-11-17 04:50:23,691 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:50:23,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-17 04:50:23,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:50:23,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-17 04:50:23,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=423, Unknown=0, NotChecked=0, Total=600 [2024-11-17 04:50:23,700 INFO L87 Difference]: Start difference. First operand 409 states and 422 transitions. Second operand has 25 states, 25 states have (on average 14.64) internal successors, (366), 25 states have internal predecessors, (366), 8 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) [2024-11-17 04:50:24,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:50:24,042 INFO L93 Difference]: Finished difference Result 539 states and 548 transitions. [2024-11-17 04:50:24,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-17 04:50:24,043 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 14.64) internal successors, (366), 25 states have internal predecessors, (366), 8 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) Word has length 193 [2024-11-17 04:50:24,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:50:24,045 INFO L225 Difference]: With dead ends: 539 [2024-11-17 04:50:24,045 INFO L226 Difference]: Without dead ends: 501 [2024-11-17 04:50:24,045 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 422 GetRequests, 381 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 429 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=576, Invalid=1230, Unknown=0, NotChecked=0, Total=1806 [2024-11-17 04:50:24,046 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 152 mSDsluCounter, 774 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 842 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:50:24,046 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 842 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:50:24,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2024-11-17 04:50:24,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 495. [2024-11-17 04:50:24,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 464 states have (on average 1.0323275862068966) internal successors, (479), 472 states have internal predecessors, (479), 11 states have call successors, (11), 11 states have call predecessors, (11), 11 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-17 04:50:24,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 501 transitions. [2024-11-17 04:50:24,072 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 501 transitions. Word has length 193 [2024-11-17 04:50:24,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:50:24,073 INFO L471 AbstractCegarLoop]: Abstraction has 495 states and 501 transitions. [2024-11-17 04:50:24,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 14.64) internal successors, (366), 25 states have internal predecessors, (366), 8 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) [2024-11-17 04:50:24,073 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 501 transitions. [2024-11-17 04:50:24,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2024-11-17 04:50:24,076 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:50:24,076 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1] [2024-11-17 04:50:24,093 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 04:50:24,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:50:24,277 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-17 04:50:24,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:50:24,277 INFO L85 PathProgramCache]: Analyzing trace with hash 951646214, now seen corresponding path program 3 times [2024-11-17 04:50:24,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:50:24,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758439968] [2024-11-17 04:50:24,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:50:24,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:50:24,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:50:24,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [291092549] [2024-11-17 04:50:24,307 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:50:24,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:50:24,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:50:24,309 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 04:50:24,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process