./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench/ps6.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench/ps6.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 7c085d451551fa473fcfd5042cc18772a43a12ab8154b83bfec7555781047d66 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:59:06,454 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:59:06,534 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 18:59:06,539 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:59:06,539 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:59:06,583 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:59:06,583 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:59:06,583 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:59:06,584 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:59:06,584 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:59:06,584 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:59:06,585 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:59:06,585 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:59:06,589 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:59:06,589 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:59:06,590 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:59:06,590 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 18:59:06,591 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:59:06,592 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:59:06,592 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:59:06,592 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:59:06,593 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 18:59:06,593 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:59:06,593 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 18:59:06,593 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:59:06,593 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 18:59:06,594 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:59:06,594 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:59:06,594 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 18:59:06,594 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:59:06,595 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:59:06,595 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:59:06,595 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:59:06,595 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:59:06,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:59:06,596 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:59:06,597 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:59:06,597 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 18:59:06,597 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:59:06,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:59:06,598 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:59:06,598 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:59:06,598 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:59:06,598 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:59:06,599 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c085d451551fa473fcfd5042cc18772a43a12ab8154b83bfec7555781047d66 [2024-11-10 18:59:06,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:59:06,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:59:06,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:59:06,868 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:59:06,869 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:59:06,870 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/ps6.c [2024-11-10 18:59:08,258 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:59:08,429 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:59:08,430 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/ps6.c [2024-11-10 18:59:08,436 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/501d04f3a/64db65e835484433a9d46f995cc8367f/FLAG61b6d849c [2024-11-10 18:59:08,455 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/501d04f3a/64db65e835484433a9d46f995cc8367f [2024-11-10 18:59:08,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:59:08,459 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:59:08,460 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:59:08,461 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:59:08,466 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:59:08,466 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:59:08" (1/1) ... [2024-11-10 18:59:08,467 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e7f7787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:59:08, skipping insertion in model container [2024-11-10 18:59:08,467 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:59:08" (1/1) ... [2024-11-10 18:59:08,484 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:59:08,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:59:08,701 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:59:08,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:59:08,748 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:59:08,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:59:08 WrapperNode [2024-11-10 18:59:08,748 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:59:08,749 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:59:08,750 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:59:08,750 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:59:08,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:59:08" (1/1) ... [2024-11-10 18:59:08,765 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:59:08" (1/1) ... [2024-11-10 18:59:08,803 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 147 [2024-11-10 18:59:08,806 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:59:08,807 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:59:08,807 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:59:08,807 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:59:08,820 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:59:08" (1/1) ... [2024-11-10 18:59:08,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:59:08" (1/1) ... [2024-11-10 18:59:08,827 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:59:08" (1/1) ... [2024-11-10 18:59:08,847 INFO L175 MemorySlicer]: Split 8 memory accesses to 2 slices as follows [2, 6]. 75 percent of accesses are in the largest equivalence class. The 8 initializations are split as follows [2, 6]. The 0 writes are split as follows [0, 0]. [2024-11-10 18:59:08,848 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:59:08" (1/1) ... [2024-11-10 18:59:08,849 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:59:08" (1/1) ... [2024-11-10 18:59:08,852 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:59:08" (1/1) ... [2024-11-10 18:59:08,857 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:59:08" (1/1) ... [2024-11-10 18:59:08,858 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:59:08" (1/1) ... [2024-11-10 18:59:08,862 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:59:08" (1/1) ... [2024-11-10 18:59:08,869 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:59:08,869 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:59:08,870 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:59:08,870 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:59:08,870 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:59:08" (1/1) ... [2024-11-10 18:59:08,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:59:08,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:59:08,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 18:59:08,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 18:59:08,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 18:59:08,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 18:59:08,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 18:59:08,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:59:08,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:59:08,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 18:59:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 18:59:09,007 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:59:09,008 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:59:09,542 INFO L? ?]: Removed 90 outVars from TransFormulas that were not future-live. [2024-11-10 18:59:09,542 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:59:09,566 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:59:09,567 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:59:09,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:59:09 BoogieIcfgContainer [2024-11-10 18:59:09,567 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:59:09,569 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:59:09,569 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:59:09,573 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:59:09,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:59:08" (1/3) ... [2024-11-10 18:59:09,574 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@620f1fbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:59:09, skipping insertion in model container [2024-11-10 18:59:09,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:59:08" (2/3) ... [2024-11-10 18:59:09,575 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@620f1fbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:59:09, skipping insertion in model container [2024-11-10 18:59:09,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:59:09" (3/3) ... [2024-11-10 18:59:09,576 INFO L112 eAbstractionObserver]: Analyzing ICFG ps6.c [2024-11-10 18:59:09,593 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:59:09,594 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 102 error locations. [2024-11-10 18:59:09,660 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:59:09,668 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;@19ed64eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:59:09,668 INFO L334 AbstractCegarLoop]: Starting to check reachability of 102 error locations. [2024-11-10 18:59:09,672 INFO L276 IsEmpty]: Start isEmpty. Operand has 225 states, 118 states have (on average 1.8983050847457628) internal successors, (224), 220 states have internal predecessors, (224), 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) [2024-11-10 18:59:09,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-10 18:59:09,676 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:09,677 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-10 18:59:09,677 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-10 18:59:09,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:09,683 INFO L85 PathProgramCache]: Analyzing trace with hash 7694854, now seen corresponding path program 1 times [2024-11-10 18:59:09,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:09,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941189086] [2024-11-10 18:59:09,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:09,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:09,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:59:09,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:09,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941189086] [2024-11-10 18:59:09,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941189086] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:59:09,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:59:09,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:59:09,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853887028] [2024-11-10 18:59:09,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:59:09,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 18:59:09,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:09,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 18:59:09,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 18:59:09,915 INFO L87 Difference]: Start difference. First operand has 225 states, 118 states have (on average 1.8983050847457628) internal successors, (224), 220 states have internal predecessors, (224), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 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) [2024-11-10 18:59:09,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:09,950 INFO L93 Difference]: Finished difference Result 422 states and 460 transitions. [2024-11-10 18:59:09,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 18:59:09,952 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 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 [2024-11-10 18:59:09,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:09,959 INFO L225 Difference]: With dead ends: 422 [2024-11-10 18:59:09,959 INFO L226 Difference]: Without dead ends: 193 [2024-11-10 18:59:09,963 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 18:59:09,966 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:09,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:59:09,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-11-10 18:59:10,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2024-11-10 18:59:10,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 113 states have (on average 1.6814159292035398) internal successors, (190), 189 states have internal predecessors, (190), 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) [2024-11-10 18:59:10,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 194 transitions. [2024-11-10 18:59:10,007 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 194 transitions. Word has length 4 [2024-11-10 18:59:10,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:10,008 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 194 transitions. [2024-11-10 18:59:10,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 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) [2024-11-10 18:59:10,008 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 194 transitions. [2024-11-10 18:59:10,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-10 18:59:10,008 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:10,008 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-10 18:59:10,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:59:10,009 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-10 18:59:10,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:10,009 INFO L85 PathProgramCache]: Analyzing trace with hash 238543447, now seen corresponding path program 1 times [2024-11-10 18:59:10,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:10,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498000407] [2024-11-10 18:59:10,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:10,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:10,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:10,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:59:10,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:10,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498000407] [2024-11-10 18:59:10,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498000407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:59:10,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:59:10,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:59:10,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200080942] [2024-11-10 18:59:10,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:59:10,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:59:10,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:10,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:59:10,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:59:10,071 INFO L87 Difference]: Start difference. First operand 193 states and 194 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:59:10,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:10,549 INFO L93 Difference]: Finished difference Result 357 states and 364 transitions. [2024-11-10 18:59:10,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:59:10,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2024-11-10 18:59:10,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:10,552 INFO L225 Difference]: With dead ends: 357 [2024-11-10 18:59:10,552 INFO L226 Difference]: Without dead ends: 293 [2024-11-10 18:59:10,553 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 [2024-11-10 18:59:10,556 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 100 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:10,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 129 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 18:59:10,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-10 18:59:10,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 286. [2024-11-10 18:59:10,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 205 states have (on average 1.424390243902439) internal successors, (292), 281 states have internal predecessors, (292), 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) [2024-11-10 18:59:10,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 298 transitions. [2024-11-10 18:59:10,581 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 298 transitions. Word has length 5 [2024-11-10 18:59:10,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:10,582 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 298 transitions. [2024-11-10 18:59:10,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:59:10,582 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 298 transitions. [2024-11-10 18:59:10,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-10 18:59:10,583 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:10,583 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] [2024-11-10 18:59:10,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 18:59:10,584 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-10 18:59:10,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:10,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1051133649, now seen corresponding path program 1 times [2024-11-10 18:59:10,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:10,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107877980] [2024-11-10 18:59:10,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:10,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:10,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:10,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:59:10,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:10,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107877980] [2024-11-10 18:59:10,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107877980] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:59:10,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:59:10,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:59:10,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895332289] [2024-11-10 18:59:10,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:59:10,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:59:10,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:10,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:59:10,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:59:10,781 INFO L87 Difference]: Start difference. First operand 286 states and 298 transitions. Second operand has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:59:10,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:10,834 INFO L93 Difference]: Finished difference Result 312 states and 318 transitions. [2024-11-10 18:59:10,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:59:10,835 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 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 43 [2024-11-10 18:59:10,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:10,837 INFO L225 Difference]: With dead ends: 312 [2024-11-10 18:59:10,837 INFO L226 Difference]: Without dead ends: 305 [2024-11-10 18:59:10,837 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 [2024-11-10 18:59:10,839 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 71 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:10,839 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 352 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:59:10,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-11-10 18:59:10,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 285. [2024-11-10 18:59:10,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 204 states have (on average 1.3970588235294117) internal successors, (285), 280 states have internal predecessors, (285), 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) [2024-11-10 18:59:10,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 291 transitions. [2024-11-10 18:59:10,859 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 291 transitions. Word has length 43 [2024-11-10 18:59:10,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:10,860 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 291 transitions. [2024-11-10 18:59:10,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:59:10,860 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 291 transitions. [2024-11-10 18:59:10,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-10 18:59:10,861 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:10,861 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] [2024-11-10 18:59:10,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 18:59:10,862 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-10 18:59:10,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:10,862 INFO L85 PathProgramCache]: Analyzing trace with hash 822125487, now seen corresponding path program 1 times [2024-11-10 18:59:10,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:10,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036195166] [2024-11-10 18:59:10,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:10,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:10,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:11,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:59:11,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:11,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036195166] [2024-11-10 18:59:11,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036195166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:59:11,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:59:11,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:59:11,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279791548] [2024-11-10 18:59:11,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:59:11,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:59:11,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:11,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:59:11,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:59:11,053 INFO L87 Difference]: Start difference. First operand 285 states and 291 transitions. Second operand has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:59:11,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:11,246 INFO L93 Difference]: Finished difference Result 307 states and 311 transitions. [2024-11-10 18:59:11,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:59:11,247 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), 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 45 [2024-11-10 18:59:11,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:11,248 INFO L225 Difference]: With dead ends: 307 [2024-11-10 18:59:11,248 INFO L226 Difference]: Without dead ends: 264 [2024-11-10 18:59:11,249 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 [2024-11-10 18:59:11,250 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 157 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:11,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 276 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:59:11,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-11-10 18:59:11,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 244. [2024-11-10 18:59:11,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 163 states have (on average 1.4846625766871167) internal successors, (242), 239 states have internal predecessors, (242), 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) [2024-11-10 18:59:11,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 248 transitions. [2024-11-10 18:59:11,269 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 248 transitions. Word has length 45 [2024-11-10 18:59:11,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:11,270 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 248 transitions. [2024-11-10 18:59:11,270 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:59:11,270 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 248 transitions. [2024-11-10 18:59:11,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-10 18:59:11,272 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:11,272 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, 1, 1, 1, 1, 1, 1] [2024-11-10 18:59:11,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 18:59:11,273 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-10 18:59:11,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:11,273 INFO L85 PathProgramCache]: Analyzing trace with hash 830819958, now seen corresponding path program 1 times [2024-11-10 18:59:11,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:11,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281256658] [2024-11-10 18:59:11,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:11,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:11,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:11,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 18:59:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:11,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:59:11,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:11,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281256658] [2024-11-10 18:59:11,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281256658] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:59:11,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:59:11,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:59:11,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746911267] [2024-11-10 18:59:11,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:59:11,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:59:11,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:11,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:59:11,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:59:11,398 INFO L87 Difference]: Start difference. First operand 244 states and 248 transitions. Second operand has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 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) [2024-11-10 18:59:11,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:11,426 INFO L93 Difference]: Finished difference Result 246 states and 248 transitions. [2024-11-10 18:59:11,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:59:11,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 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 53 [2024-11-10 18:59:11,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:11,428 INFO L225 Difference]: With dead ends: 246 [2024-11-10 18:59:11,429 INFO L226 Difference]: Without dead ends: 244 [2024-11-10 18:59:11,429 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 [2024-11-10 18:59:11,433 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 2 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 376 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 [2024-11-10 18:59:11,434 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 376 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:59:11,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-11-10 18:59:11,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2024-11-10 18:59:11,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 163 states have (on average 1.4723926380368098) internal successors, (240), 239 states have internal predecessors, (240), 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) [2024-11-10 18:59:11,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 246 transitions. [2024-11-10 18:59:11,445 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 246 transitions. Word has length 53 [2024-11-10 18:59:11,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:11,449 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 246 transitions. [2024-11-10 18:59:11,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 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) [2024-11-10 18:59:11,449 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 246 transitions. [2024-11-10 18:59:11,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-10 18:59:11,451 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:11,452 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:59:11,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 18:59:11,453 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-10 18:59:11,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:11,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1933952669, now seen corresponding path program 1 times [2024-11-10 18:59:11,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:11,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693862291] [2024-11-10 18:59:11,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:11,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:59:11,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1618453131] [2024-11-10 18:59:11,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:11,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:11,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:59:11,497 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:59:11,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 18:59:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:11,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:59:11,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:59:11,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:59:11,695 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:59:11,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:11,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693862291] [2024-11-10 18:59:11,696 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:59:11,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1618453131] [2024-11-10 18:59:11,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1618453131] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:59:11,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:59:11,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:59:11,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293051321] [2024-11-10 18:59:11,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:59:11,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:59:11,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:11,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:59:11,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:59:11,699 INFO L87 Difference]: Start difference. First operand 244 states and 246 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 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) [2024-11-10 18:59:12,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:12,184 INFO L93 Difference]: Finished difference Result 424 states and 436 transitions. [2024-11-10 18:59:12,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:59:12,185 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 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 60 [2024-11-10 18:59:12,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:12,186 INFO L225 Difference]: With dead ends: 424 [2024-11-10 18:59:12,187 INFO L226 Difference]: Without dead ends: 359 [2024-11-10 18:59:12,187 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:59:12,188 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 112 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:12,188 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 148 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 18:59:12,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-11-10 18:59:12,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 352. [2024-11-10 18:59:12,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 269 states have (on average 1.338289962825279) internal successors, (360), 345 states have internal predecessors, (360), 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) [2024-11-10 18:59:12,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 370 transitions. [2024-11-10 18:59:12,209 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 370 transitions. Word has length 60 [2024-11-10 18:59:12,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:12,211 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 370 transitions. [2024-11-10 18:59:12,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 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) [2024-11-10 18:59:12,212 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 370 transitions. [2024-11-10 18:59:12,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-10 18:59:12,212 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:12,213 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:59:12,229 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-10 18:59:12,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-10 18:59:12,414 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-10 18:59:12,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:12,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1539932681, now seen corresponding path program 1 times [2024-11-10 18:59:12,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:12,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834940016] [2024-11-10 18:59:12,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:12,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:12,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:12,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 18:59:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:12,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:59:12,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:12,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834940016] [2024-11-10 18:59:12,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834940016] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:59:12,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:59:12,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:59:12,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981790439] [2024-11-10 18:59:12,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:59:12,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:59:12,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:12,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:59:12,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:59:12,539 INFO L87 Difference]: Start difference. First operand 352 states and 370 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 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) [2024-11-10 18:59:12,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:12,628 INFO L93 Difference]: Finished difference Result 353 states and 370 transitions. [2024-11-10 18:59:12,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:59:12,629 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 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 67 [2024-11-10 18:59:12,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:12,631 INFO L225 Difference]: With dead ends: 353 [2024-11-10 18:59:12,631 INFO L226 Difference]: Without dead ends: 352 [2024-11-10 18:59:12,632 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 [2024-11-10 18:59:12,633 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 60 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:12,633 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 309 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:59:12,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-10 18:59:12,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 352. [2024-11-10 18:59:12,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 269 states have (on average 1.3345724907063197) internal successors, (359), 345 states have internal predecessors, (359), 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) [2024-11-10 18:59:12,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 369 transitions. [2024-11-10 18:59:12,644 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 369 transitions. Word has length 67 [2024-11-10 18:59:12,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:12,645 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 369 transitions. [2024-11-10 18:59:12,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 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) [2024-11-10 18:59:12,646 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 369 transitions. [2024-11-10 18:59:12,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-10 18:59:12,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:12,648 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:59:12,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 18:59:12,648 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-10 18:59:12,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:12,649 INFO L85 PathProgramCache]: Analyzing trace with hash 493272923, now seen corresponding path program 1 times [2024-11-10 18:59:12,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:12,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386541452] [2024-11-10 18:59:12,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:12,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:12,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 18:59:12,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:12,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:59:12,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:12,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386541452] [2024-11-10 18:59:12,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386541452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:59:12,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:59:12,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:59:12,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703691041] [2024-11-10 18:59:12,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:59:12,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:59:12,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:12,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:59:12,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:59:12,773 INFO L87 Difference]: Start difference. First operand 352 states and 369 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 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) [2024-11-10 18:59:13,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:13,086 INFO L93 Difference]: Finished difference Result 353 states and 369 transitions. [2024-11-10 18:59:13,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:59:13,086 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 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 68 [2024-11-10 18:59:13,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:13,088 INFO L225 Difference]: With dead ends: 353 [2024-11-10 18:59:13,088 INFO L226 Difference]: Without dead ends: 352 [2024-11-10 18:59:13,088 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 [2024-11-10 18:59:13,089 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 51 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:13,089 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 335 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 18:59:13,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-10 18:59:13,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 352. [2024-11-10 18:59:13,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 269 states have (on average 1.3308550185873607) internal successors, (358), 345 states have internal predecessors, (358), 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) [2024-11-10 18:59:13,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 368 transitions. [2024-11-10 18:59:13,098 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 368 transitions. Word has length 68 [2024-11-10 18:59:13,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:13,099 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 368 transitions. [2024-11-10 18:59:13,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 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) [2024-11-10 18:59:13,099 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 368 transitions. [2024-11-10 18:59:13,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-10 18:59:13,102 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:13,102 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:59:13,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 18:59:13,102 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-10 18:59:13,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:13,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1506610602, now seen corresponding path program 1 times [2024-11-10 18:59:13,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:13,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441852586] [2024-11-10 18:59:13,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:13,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:13,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:59:13,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1383264289] [2024-11-10 18:59:13,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:13,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:13,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:59:13,137 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:59:13,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 18:59:13,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:13,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 18:59:13,201 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:59:13,566 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:59:13,567 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:59:13,836 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:59:13,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:13,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441852586] [2024-11-10 18:59:13,837 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:59:13,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383264289] [2024-11-10 18:59:13,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1383264289] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:59:13,837 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 18:59:13,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-10 18:59:13,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362479029] [2024-11-10 18:59:13,837 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 18:59:13,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 18:59:13,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:13,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 18:59:13,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:59:13,839 INFO L87 Difference]: Start difference. First operand 352 states and 368 transitions. Second operand has 8 states, 7 states have (on average 30.285714285714285) internal successors, (212), 8 states have internal predecessors, (212), 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) [2024-11-10 18:59:14,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:14,704 INFO L93 Difference]: Finished difference Result 378 states and 388 transitions. [2024-11-10 18:59:14,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 18:59:14,705 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 30.285714285714285) internal successors, (212), 8 states have internal predecessors, (212), 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 110 [2024-11-10 18:59:14,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:14,706 INFO L225 Difference]: With dead ends: 378 [2024-11-10 18:59:14,706 INFO L226 Difference]: Without dead ends: 369 [2024-11-10 18:59:14,707 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-11-10 18:59:14,707 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 397 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 785 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:14,707 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 143 Invalid, 806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 785 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 18:59:14,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-10 18:59:14,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 357. [2024-11-10 18:59:14,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 277 states have (on average 1.2996389891696751) internal successors, (360), 350 states have internal predecessors, (360), 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) [2024-11-10 18:59:14,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 370 transitions. [2024-11-10 18:59:14,717 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 370 transitions. Word has length 110 [2024-11-10 18:59:14,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:14,717 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 370 transitions. [2024-11-10 18:59:14,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 30.285714285714285) internal successors, (212), 8 states have internal predecessors, (212), 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) [2024-11-10 18:59:14,718 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 370 transitions. [2024-11-10 18:59:14,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-10 18:59:14,719 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:14,719 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:59:14,735 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 18:59:14,923 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,SelfDestructingSolverStorable8 [2024-11-10 18:59:14,924 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-10 18:59:14,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:14,925 INFO L85 PathProgramCache]: Analyzing trace with hash 448813128, now seen corresponding path program 1 times [2024-11-10 18:59:14,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:14,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400020441] [2024-11-10 18:59:14,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:14,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:14,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:59:14,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [78198082] [2024-11-10 18:59:14,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:14,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:14,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:59:14,948 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:59:14,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 18:59:15,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:15,001 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 18:59:15,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:59:15,321 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:59:15,321 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:59:15,682 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-10 18:59:15,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:15,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400020441] [2024-11-10 18:59:15,682 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:59:15,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [78198082] [2024-11-10 18:59:15,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [78198082] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-10 18:59:15,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:59:15,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-10 18:59:15,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476245162] [2024-11-10 18:59:15,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:59:15,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:59:15,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:15,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:59:15,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:59:15,685 INFO L87 Difference]: Start difference. First operand 357 states and 370 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 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) [2024-11-10 18:59:22,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 18:59:23,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:23,901 INFO L93 Difference]: Finished difference Result 357 states and 370 transitions. [2024-11-10 18:59:23,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:59:23,902 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 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 112 [2024-11-10 18:59:23,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:23,903 INFO L225 Difference]: With dead ends: 357 [2024-11-10 18:59:23,906 INFO L226 Difference]: Without dead ends: 355 [2024-11-10 18:59:23,907 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 216 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:59:23,907 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 98 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:23,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 39 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 413 Invalid, 1 Unknown, 0 Unchecked, 8.2s Time] [2024-11-10 18:59:23,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-10 18:59:23,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 355. [2024-11-10 18:59:23,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 277 states have (on average 1.2851985559566788) internal successors, (356), 348 states have internal predecessors, (356), 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) [2024-11-10 18:59:23,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 366 transitions. [2024-11-10 18:59:23,927 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 366 transitions. Word has length 112 [2024-11-10 18:59:23,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:23,927 INFO L471 AbstractCegarLoop]: Abstraction has 355 states and 366 transitions. [2024-11-10 18:59:23,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 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) [2024-11-10 18:59:23,927 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 366 transitions. [2024-11-10 18:59:23,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-10 18:59:23,929 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:23,929 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, 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] [2024-11-10 18:59:23,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-10 18:59:24,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:24,130 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-10 18:59:24,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:24,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1489544689, now seen corresponding path program 1 times [2024-11-10 18:59:24,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:24,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011846335] [2024-11-10 18:59:24,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:24,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:24,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:24,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 18:59:24,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:24,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-10 18:59:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:24,271 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:59:24,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:24,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011846335] [2024-11-10 18:59:24,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011846335] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:59:24,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [235435738] [2024-11-10 18:59:24,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:24,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:24,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:59:24,275 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:59:24,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 18:59:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:24,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:59:24,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:59:24,495 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:59:24,496 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:59:24,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [235435738] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:59:24,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:59:24,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-10 18:59:24,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471962449] [2024-11-10 18:59:24,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:59:24,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:59:24,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:24,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:59:24,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:59:24,499 INFO L87 Difference]: Start difference. First operand 355 states and 366 transitions. Second operand has 4 states, 3 states have (on average 37.666666666666664) internal successors, (113), 4 states have internal predecessors, (113), 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) [2024-11-10 18:59:24,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:24,528 INFO L93 Difference]: Finished difference Result 355 states and 366 transitions. [2024-11-10 18:59:24,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:59:24,529 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 37.666666666666664) internal successors, (113), 4 states have internal predecessors, (113), 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 120 [2024-11-10 18:59:24,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:24,531 INFO L225 Difference]: With dead ends: 355 [2024-11-10 18:59:24,531 INFO L226 Difference]: Without dead ends: 354 [2024-11-10 18:59:24,531 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:59:24,532 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 78 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:24,532 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 357 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:59:24,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-10 18:59:24,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2024-11-10 18:59:24,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 277 states have (on average 1.2779783393501805) internal successors, (354), 347 states have internal predecessors, (354), 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) [2024-11-10 18:59:24,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 364 transitions. [2024-11-10 18:59:24,547 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 364 transitions. Word has length 120 [2024-11-10 18:59:24,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:24,547 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 364 transitions. [2024-11-10 18:59:24,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 37.666666666666664) internal successors, (113), 4 states have internal predecessors, (113), 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) [2024-11-10 18:59:24,548 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 364 transitions. [2024-11-10 18:59:24,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-10 18:59:24,549 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:24,549 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, 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] [2024-11-10 18:59:24,562 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 18:59:24,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:24,751 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-10 18:59:24,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:24,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1068754991, now seen corresponding path program 1 times [2024-11-10 18:59:24,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:24,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984441597] [2024-11-10 18:59:24,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:24,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:24,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:24,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 18:59:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:24,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-10 18:59:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:24,874 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:59:24,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:24,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984441597] [2024-11-10 18:59:24,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984441597] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:59:24,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [867794626] [2024-11-10 18:59:24,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:24,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:24,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:59:24,878 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:59:24,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 18:59:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:24,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:59:24,934 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:59:25,054 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:59:25,054 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:59:25,194 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:59:25,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [867794626] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:59:25,194 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:59:25,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-10 18:59:25,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111877070] [2024-11-10 18:59:25,197 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:59:25,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 18:59:25,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:25,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 18:59:25,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:59:25,198 INFO L87 Difference]: Start difference. First operand 354 states and 364 transitions. Second operand has 7 states, 6 states have (on average 45.5) internal successors, (273), 7 states have internal predecessors, (273), 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) [2024-11-10 18:59:25,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:25,248 INFO L93 Difference]: Finished difference Result 542 states and 554 transitions. [2024-11-10 18:59:25,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:59:25,249 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 45.5) internal successors, (273), 7 states have internal predecessors, (273), 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) Word has length 121 [2024-11-10 18:59:25,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:25,251 INFO L225 Difference]: With dead ends: 542 [2024-11-10 18:59:25,253 INFO L226 Difference]: Without dead ends: 541 [2024-11-10 18:59:25,253 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:59:25,254 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 88 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:25,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 782 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:59:25,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2024-11-10 18:59:25,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 469. [2024-11-10 18:59:25,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 390 states have (on average 1.376923076923077) internal successors, (537), 460 states have internal predecessors, (537), 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) [2024-11-10 18:59:25,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 551 transitions. [2024-11-10 18:59:25,270 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 551 transitions. Word has length 121 [2024-11-10 18:59:25,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:25,271 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 551 transitions. [2024-11-10 18:59:25,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 45.5) internal successors, (273), 7 states have internal predecessors, (273), 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) [2024-11-10 18:59:25,271 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 551 transitions. [2024-11-10 18:59:25,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-10 18:59:25,272 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:25,272 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, 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] [2024-11-10 18:59:25,285 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 18:59:25,472 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,SelfDestructingSolverStorable11 [2024-11-10 18:59:25,473 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-10 18:59:25,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:25,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1833541546, now seen corresponding path program 1 times [2024-11-10 18:59:25,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:25,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440098054] [2024-11-10 18:59:25,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:25,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:25,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:59:25,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2140550978] [2024-11-10 18:59:25,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:25,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:25,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:59:25,494 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:59:25,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 18:59:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:25,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 18:59:25,558 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:59:25,694 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:59:25,694 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:59:25,924 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:59:25,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:25,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440098054] [2024-11-10 18:59:25,925 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:59:25,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2140550978] [2024-11-10 18:59:25,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2140550978] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:59:25,925 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 18:59:25,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-10 18:59:25,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126666070] [2024-11-10 18:59:25,925 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 18:59:25,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 18:59:25,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:25,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 18:59:25,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:59:25,927 INFO L87 Difference]: Start difference. First operand 469 states and 551 transitions. Second operand has 8 states, 7 states have (on average 33.714285714285715) internal successors, (236), 8 states have internal predecessors, (236), 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) [2024-11-10 18:59:26,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:59:26,682 INFO L93 Difference]: Finished difference Result 561 states and 630 transitions. [2024-11-10 18:59:26,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:59:26,683 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 33.714285714285715) internal successors, (236), 8 states have internal predecessors, (236), 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 127 [2024-11-10 18:59:26,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:59:26,685 INFO L225 Difference]: With dead ends: 561 [2024-11-10 18:59:26,686 INFO L226 Difference]: Without dead ends: 496 [2024-11-10 18:59:26,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:59:26,688 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 631 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 984 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 634 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 1072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 18:59:26,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [634 Valid, 153 Invalid, 1072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 984 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 18:59:26,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2024-11-10 18:59:26,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 483. [2024-11-10 18:59:26,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 423 states have (on average 1.2056737588652482) internal successors, (510), 475 states have internal predecessors, (510), 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) [2024-11-10 18:59:26,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 522 transitions. [2024-11-10 18:59:26,703 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 522 transitions. Word has length 127 [2024-11-10 18:59:26,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:59:26,704 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 522 transitions. [2024-11-10 18:59:26,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 33.714285714285715) internal successors, (236), 8 states have internal predecessors, (236), 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) [2024-11-10 18:59:26,705 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 522 transitions. [2024-11-10 18:59:26,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-10 18:59:26,706 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:59:26,706 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, 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] [2024-11-10 18:59:26,723 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 18:59:26,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:26,907 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-10 18:59:26,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:59:26,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1646980770, now seen corresponding path program 1 times [2024-11-10 18:59:26,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:59:26,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839595298] [2024-11-10 18:59:26,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:26,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:59:26,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:59:26,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1905310707] [2024-11-10 18:59:26,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:59:26,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:59:26,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:59:26,937 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:59:26,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 18:59:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:59:26,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 18:59:26,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:59:27,391 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 3 proven. 62 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 18:59:27,391 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:59:29,094 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 3 proven. 62 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 18:59:29,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:59:29,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839595298] [2024-11-10 18:59:29,095 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:59:29,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1905310707] [2024-11-10 18:59:29,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1905310707] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:59:29,095 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 18:59:29,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 13 [2024-11-10 18:59:29,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416570870] [2024-11-10 18:59:29,095 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 18:59:29,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 18:59:29,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:59:29,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 18:59:29,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2024-11-10 18:59:29,097 INFO L87 Difference]: Start difference. First operand 483 states and 522 transitions. Second operand has 14 states, 13 states have (on average 19.76923076923077) internal successors, (257), 14 states have internal predecessors, (257), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 18:59:36,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.45s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 18:59:40,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 18:59:44,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 18:59:48,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.35s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 18:59:52,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 18:59:56,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:00:00,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:00:02,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:00:06,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:00:10,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:00:14,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:00:19,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:00:19,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:19,608 INFO L93 Difference]: Finished difference Result 490 states and 529 transitions. [2024-11-10 19:00:19,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 19:00:19,609 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 19.76923076923077) internal successors, (257), 14 states have internal predecessors, (257), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 135 [2024-11-10 19:00:19,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:19,611 INFO L225 Difference]: With dead ends: 490 [2024-11-10 19:00:19,611 INFO L226 Difference]: Without dead ends: 489 [2024-11-10 19:00:19,611 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2024-11-10 19:00:19,612 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 352 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 1750 mSolverCounterSat, 36 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 1795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1750 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:19,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 146 Invalid, 1795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1750 Invalid, 9 Unknown, 0 Unchecked, 50.3s Time] [2024-11-10 19:00:19,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2024-11-10 19:00:19,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 482. [2024-11-10 19:00:19,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 423 states have (on average 1.198581560283688) internal successors, (507), 474 states have internal predecessors, (507), 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) [2024-11-10 19:00:19,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 519 transitions. [2024-11-10 19:00:19,631 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 519 transitions. Word has length 135 [2024-11-10 19:00:19,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:19,631 INFO L471 AbstractCegarLoop]: Abstraction has 482 states and 519 transitions. [2024-11-10 19:00:19,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 19.76923076923077) internal successors, (257), 14 states have internal predecessors, (257), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:00:19,632 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 519 transitions. [2024-11-10 19:00:19,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-10 19:00:19,633 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:19,633 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:19,650 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-10 19:00:19,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:19,838 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-10 19:00:19,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:19,838 INFO L85 PathProgramCache]: Analyzing trace with hash -777401977, now seen corresponding path program 1 times [2024-11-10 19:00:19,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:19,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819686359] [2024-11-10 19:00:19,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:19,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:19,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:19,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1754961974] [2024-11-10 19:00:19,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:19,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:19,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:19,866 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:00:19,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 19:00:19,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:19,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:00:19,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:20,372 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:00:20,372 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:20,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:20,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819686359] [2024-11-10 19:00:20,705 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:20,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1754961974] [2024-11-10 19:00:20,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1754961974] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:00:20,706 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:00:20,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-10 19:00:20,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815630268] [2024-11-10 19:00:20,706 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:20,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:00:20,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:20,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:00:20,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:00:20,708 INFO L87 Difference]: Start difference. First operand 482 states and 519 transitions. Second operand has 5 states, 4 states have (on average 38.75) internal successors, (155), 5 states have internal predecessors, (155), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:00:21,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:21,054 INFO L93 Difference]: Finished difference Result 482 states and 519 transitions. [2024-11-10 19:00:21,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:00:21,054 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 38.75) internal successors, (155), 5 states have internal predecessors, (155), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 167 [2024-11-10 19:00:21,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:21,056 INFO L225 Difference]: With dead ends: 482 [2024-11-10 19:00:21,056 INFO L226 Difference]: Without dead ends: 469 [2024-11-10 19:00:21,057 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:00:21,057 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 27 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:21,057 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 55 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:00:21,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-11-10 19:00:21,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 469. [2024-11-10 19:00:21,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 423 states have (on average 1.1513002364066194) internal successors, (487), 461 states have internal predecessors, (487), 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) [2024-11-10 19:00:21,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 499 transitions. [2024-11-10 19:00:21,076 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 499 transitions. Word has length 167 [2024-11-10 19:00:21,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:21,076 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 499 transitions. [2024-11-10 19:00:21,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 38.75) internal successors, (155), 5 states have internal predecessors, (155), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:00:21,077 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 499 transitions. [2024-11-10 19:00:21,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-10 19:00:21,078 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:21,078 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:21,096 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-10 19:00:21,282 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,SelfDestructingSolverStorable14 [2024-11-10 19:00:21,283 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-10 19:00:21,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:21,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1670342467, now seen corresponding path program 1 times [2024-11-10 19:00:21,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:21,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56964997] [2024-11-10 19:00:21,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:21,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:21,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [738491138] [2024-11-10 19:00:21,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:21,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:21,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:21,310 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:00:21,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 19:00:21,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:21,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 19:00:21,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:21,817 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:00:21,817 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:22,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:22,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56964997] [2024-11-10 19:00:22,397 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:22,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738491138] [2024-11-10 19:00:22,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [738491138] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:00:22,397 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:00:22,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-10 19:00:22,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210941647] [2024-11-10 19:00:22,397 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:22,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:00:22,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:22,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:00:22,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:00:22,398 INFO L87 Difference]: Start difference. First operand 469 states and 499 transitions. Second operand has 6 states, 5 states have (on average 31.2) internal successors, (156), 6 states have internal predecessors, (156), 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) [2024-11-10 19:00:22,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:22,751 INFO L93 Difference]: Finished difference Result 473 states and 503 transitions. [2024-11-10 19:00:22,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:00:22,752 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 31.2) internal successors, (156), 6 states have internal predecessors, (156), 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 168 [2024-11-10 19:00:22,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:22,754 INFO L225 Difference]: With dead ends: 473 [2024-11-10 19:00:22,754 INFO L226 Difference]: Without dead ends: 427 [2024-11-10 19:00:22,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:00:22,755 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 3 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:22,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 126 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:00:22,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-11-10 19:00:22,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 427. [2024-11-10 19:00:22,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 381 states have (on average 1.1653543307086613) internal successors, (444), 419 states have internal predecessors, (444), 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) [2024-11-10 19:00:22,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 456 transitions. [2024-11-10 19:00:22,774 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 456 transitions. Word has length 168 [2024-11-10 19:00:22,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:22,774 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 456 transitions. [2024-11-10 19:00:22,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 31.2) internal successors, (156), 6 states have internal predecessors, (156), 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) [2024-11-10 19:00:22,775 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 456 transitions. [2024-11-10 19:00:22,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-10 19:00:22,776 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:22,776 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, 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] [2024-11-10 19:00:22,794 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-10 19:00:22,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-10 19:00:22,977 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-10 19:00:22,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:22,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1064981080, now seen corresponding path program 1 times [2024-11-10 19:00:22,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:22,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349563982] [2024-11-10 19:00:22,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:22,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:23,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:23,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1784026205] [2024-11-10 19:00:23,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:23,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:23,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:23,005 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:00:23,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-10 19:00:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:23,072 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 19:00:23,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:23,460 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:23,460 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:23,788 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:00:23,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:23,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349563982] [2024-11-10 19:00:23,789 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:23,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784026205] [2024-11-10 19:00:23,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1784026205] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:00:23,789 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:00:23,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-10 19:00:23,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052653024] [2024-11-10 19:00:23,789 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:23,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:00:23,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:23,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:00:23,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:00:23,791 INFO L87 Difference]: Start difference. First operand 427 states and 456 transitions. Second operand has 12 states, 11 states have (on average 30.727272727272727) internal successors, (338), 12 states have internal predecessors, (338), 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) [2024-11-10 19:00:25,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:25,259 INFO L93 Difference]: Finished difference Result 557 states and 606 transitions. [2024-11-10 19:00:25,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:00:25,259 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 30.727272727272727) internal successors, (338), 12 states have internal predecessors, (338), 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 178 [2024-11-10 19:00:25,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:25,262 INFO L225 Difference]: With dead ends: 557 [2024-11-10 19:00:25,262 INFO L226 Difference]: Without dead ends: 551 [2024-11-10 19:00:25,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 344 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:00:25,263 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 493 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 1610 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 495 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 1633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:25,263 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [495 Valid, 240 Invalid, 1633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1610 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-10 19:00:25,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2024-11-10 19:00:25,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 481. [2024-11-10 19:00:25,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 438 states have (on average 1.1643835616438356) internal successors, (510), 473 states have internal predecessors, (510), 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) [2024-11-10 19:00:25,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 522 transitions. [2024-11-10 19:00:25,285 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 522 transitions. Word has length 178 [2024-11-10 19:00:25,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:25,285 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 522 transitions. [2024-11-10 19:00:25,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 30.727272727272727) internal successors, (338), 12 states have internal predecessors, (338), 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) [2024-11-10 19:00:25,286 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 522 transitions. [2024-11-10 19:00:25,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-10 19:00:25,287 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:25,287 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-10 19:00:25,305 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-10 19:00:25,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-10 19:00:25,489 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-10 19:00:25,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:25,490 INFO L85 PathProgramCache]: Analyzing trace with hash 2050898687, now seen corresponding path program 1 times [2024-11-10 19:00:25,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:25,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102044836] [2024-11-10 19:00:25,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:25,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:25,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:25,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [411459906] [2024-11-10 19:00:25,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:25,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:25,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:25,516 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:00:25,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-10 19:00:25,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:25,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:00:25,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:25,757 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 179 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:00:25,757 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:26,188 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 179 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:00:26,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:26,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102044836] [2024-11-10 19:00:26,189 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:26,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411459906] [2024-11-10 19:00:26,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411459906] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:00:26,189 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:00:26,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-10 19:00:26,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477180107] [2024-11-10 19:00:26,189 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:26,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:00:26,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:26,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:00:26,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:00:26,191 INFO L87 Difference]: Start difference. First operand 481 states and 522 transitions. Second operand has 10 states, 9 states have (on average 40.888888888888886) internal successors, (368), 10 states have internal predecessors, (368), 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) [2024-11-10 19:00:26,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:26,824 INFO L93 Difference]: Finished difference Result 552 states and 592 transitions. [2024-11-10 19:00:26,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:00:26,825 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 40.888888888888886) internal successors, (368), 10 states have internal predecessors, (368), 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 198 [2024-11-10 19:00:26,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:26,826 INFO L225 Difference]: With dead ends: 552 [2024-11-10 19:00:26,827 INFO L226 Difference]: Without dead ends: 520 [2024-11-10 19:00:26,827 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 386 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:00:26,827 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 586 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 1304 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 589 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 1359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 1304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:26,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [589 Valid, 229 Invalid, 1359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 1304 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:00:26,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2024-11-10 19:00:26,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 467. [2024-11-10 19:00:26,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 438 states have (on average 1.0776255707762556) internal successors, (472), 459 states have internal predecessors, (472), 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) [2024-11-10 19:00:26,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 484 transitions. [2024-11-10 19:00:26,847 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 484 transitions. Word has length 198 [2024-11-10 19:00:26,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:26,848 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 484 transitions. [2024-11-10 19:00:26,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 40.888888888888886) internal successors, (368), 10 states have internal predecessors, (368), 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) [2024-11-10 19:00:26,848 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 484 transitions. [2024-11-10 19:00:26,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2024-11-10 19:00:26,850 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:26,850 INFO L215 NwaCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:26,867 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-10 19:00:27,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-10 19:00:27,051 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-10 19:00:27,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:27,051 INFO L85 PathProgramCache]: Analyzing trace with hash 995231498, now seen corresponding path program 2 times [2024-11-10 19:00:27,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:27,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011177320] [2024-11-10 19:00:27,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:27,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:27,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [659720393] [2024-11-10 19:00:27,077 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:00:27,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:27,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:27,079 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:00:27,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-10 19:00:27,154 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:00:27,154 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:00:27,155 INFO L255 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 19:00:27,157 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:27,647 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:00:27,647 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:28,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:28,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011177320] [2024-11-10 19:00:28,118 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:28,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [659720393] [2024-11-10 19:00:28,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [659720393] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:00:28,118 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:00:28,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-10 19:00:28,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219830894] [2024-11-10 19:00:28,118 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:28,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:00:28,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:28,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:00:28,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:00:28,120 INFO L87 Difference]: Start difference. First operand 467 states and 484 transitions. Second operand has 8 states, 7 states have (on average 31.142857142857142) internal successors, (218), 8 states have internal predecessors, (218), 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) [2024-11-10 19:00:28,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:28,642 INFO L93 Difference]: Finished difference Result 513 states and 530 transitions. [2024-11-10 19:00:28,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:00:28,643 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 31.142857142857142) internal successors, (218), 8 states have internal predecessors, (218), 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 235 [2024-11-10 19:00:28,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:28,644 INFO L225 Difference]: With dead ends: 513 [2024-11-10 19:00:28,644 INFO L226 Difference]: Without dead ends: 467 [2024-11-10 19:00:28,645 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:00:28,645 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 3 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 1304 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 1304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:28,645 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 169 Invalid, 1304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1304 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:00:28,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2024-11-10 19:00:28,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 467. [2024-11-10 19:00:28,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 438 states have (on average 1.0753424657534247) internal successors, (471), 459 states have internal predecessors, (471), 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) [2024-11-10 19:00:28,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 483 transitions. [2024-11-10 19:00:28,664 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 483 transitions. Word has length 235 [2024-11-10 19:00:28,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:28,665 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 483 transitions. [2024-11-10 19:00:28,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 31.142857142857142) internal successors, (218), 8 states have internal predecessors, (218), 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) [2024-11-10 19:00:28,665 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 483 transitions. [2024-11-10 19:00:28,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-11-10 19:00:28,668 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:28,668 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 1, 1, 1] [2024-11-10 19:00:28,684 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-10 19:00:28,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:28,869 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-10 19:00:28,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:28,869 INFO L85 PathProgramCache]: Analyzing trace with hash 64308292, now seen corresponding path program 1 times [2024-11-10 19:00:28,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:28,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383548077] [2024-11-10 19:00:28,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:28,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:28,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1956971271] [2024-11-10 19:00:28,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:28,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:28,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:28,913 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:00:28,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-10 19:00:28,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:28,993 INFO L255 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:00:28,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:29,272 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 0 proven. 369 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:00:29,272 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:29,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:29,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383548077] [2024-11-10 19:00:29,352 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:29,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956971271] [2024-11-10 19:00:29,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956971271] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:00:29,352 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:00:29,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-10 19:00:29,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956169371] [2024-11-10 19:00:29,353 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:29,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:00:29,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:29,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:00:29,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:00:29,354 INFO L87 Difference]: Start difference. First operand 467 states and 483 transitions. Second operand has 7 states, 6 states have (on average 41.666666666666664) internal successors, (250), 7 states have internal predecessors, (250), 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) [2024-11-10 19:00:29,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:29,760 INFO L93 Difference]: Finished difference Result 536 states and 560 transitions. [2024-11-10 19:00:29,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:00:29,760 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 41.666666666666664) internal successors, (250), 7 states have internal predecessors, (250), 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 267 [2024-11-10 19:00:29,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:29,763 INFO L225 Difference]: With dead ends: 536 [2024-11-10 19:00:29,763 INFO L226 Difference]: Without dead ends: 531 [2024-11-10 19:00:29,763 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:00:29,763 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 143 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:29,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 113 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:00:29,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2024-11-10 19:00:29,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 493. [2024-11-10 19:00:29,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 493 states, 463 states have (on average 1.0734341252699784) internal successors, (497), 484 states have internal predecessors, (497), 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) [2024-11-10 19:00:29,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 511 transitions. [2024-11-10 19:00:29,785 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 511 transitions. Word has length 267 [2024-11-10 19:00:29,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:29,786 INFO L471 AbstractCegarLoop]: Abstraction has 493 states and 511 transitions. [2024-11-10 19:00:29,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 41.666666666666664) internal successors, (250), 7 states have internal predecessors, (250), 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) [2024-11-10 19:00:29,786 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 511 transitions. [2024-11-10 19:00:29,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-11-10 19:00:29,787 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:29,788 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1] [2024-11-10 19:00:29,804 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-10 19:00:29,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2024-11-10 19:00:29,989 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr95ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-10 19:00:29,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:29,989 INFO L85 PathProgramCache]: Analyzing trace with hash -2103505999, now seen corresponding path program 1 times [2024-11-10 19:00:29,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:29,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971288252] [2024-11-10 19:00:29,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:29,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:30,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:30,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1760882120] [2024-11-10 19:00:30,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:30,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:30,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:30,023 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:00:30,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-10 19:00:30,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:30,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 19:00:30,122 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:30,418 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 414 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:00:30,418 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:30,903 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 414 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:00:30,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:30,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971288252] [2024-11-10 19:00:30,904 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:30,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1760882120] [2024-11-10 19:00:30,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1760882120] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:00:30,904 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:00:30,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-10 19:00:30,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390707961] [2024-11-10 19:00:30,904 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:30,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:00:30,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:30,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:00:30,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:00:30,906 INFO L87 Difference]: Start difference. First operand 493 states and 511 transitions. Second operand has 12 states, 11 states have (on average 47.27272727272727) internal successors, (520), 12 states have internal predecessors, (520), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:00:31,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:31,717 INFO L93 Difference]: Finished difference Result 551 states and 564 transitions. [2024-11-10 19:00:31,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:00:31,718 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 47.27272727272727) internal successors, (520), 12 states have internal predecessors, (520), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Word has length 279 [2024-11-10 19:00:31,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:31,720 INFO L225 Difference]: With dead ends: 551 [2024-11-10 19:00:31,720 INFO L226 Difference]: Without dead ends: 537 [2024-11-10 19:00:31,720 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 558 GetRequests, 546 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:00:31,721 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 679 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 1860 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 682 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 1888 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:31,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [682 Valid, 316 Invalid, 1888 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1860 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:00:31,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2024-11-10 19:00:31,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 469. [2024-11-10 19:00:31,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 441 states have (on average 1.0498866213151927) internal successors, (463), 460 states have internal predecessors, (463), 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) [2024-11-10 19:00:31,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 477 transitions. [2024-11-10 19:00:31,742 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 477 transitions. Word has length 279 [2024-11-10 19:00:31,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:31,742 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 477 transitions. [2024-11-10 19:00:31,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 47.27272727272727) internal successors, (520), 12 states have internal predecessors, (520), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:00:31,743 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 477 transitions. [2024-11-10 19:00:31,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-11-10 19:00:31,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:31,744 INFO L215 NwaCegarLoop]: trace histogram [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, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:31,759 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-10 19:00:31,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:31,945 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-10 19:00:31,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:31,945 INFO L85 PathProgramCache]: Analyzing trace with hash 764294627, now seen corresponding path program 3 times [2024-11-10 19:00:31,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:31,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091564919] [2024-11-10 19:00:31,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:31,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:31,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:31,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1372024250] [2024-11-10 19:00:31,972 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 19:00:31,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:31,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:31,974 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:00:31,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-10 19:00:32,116 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-10 19:00:32,116 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:00:32,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-10 19:00:32,121 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:32,704 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 327 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:00:32,704 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:33,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:33,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091564919] [2024-11-10 19:00:33,201 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:33,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372024250] [2024-11-10 19:00:33,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1372024250] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:00:33,202 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:00:33,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-10 19:00:33,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854708034] [2024-11-10 19:00:33,202 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:33,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:00:33,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:33,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:00:33,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:00:33,203 INFO L87 Difference]: Start difference. First operand 469 states and 477 transitions. Second operand has 10 states, 9 states have (on average 31.11111111111111) internal successors, (280), 10 states have internal predecessors, (280), 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) [2024-11-10 19:00:33,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:33,908 INFO L93 Difference]: Finished difference Result 515 states and 523 transitions. [2024-11-10 19:00:33,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:00:33,909 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 31.11111111111111) internal successors, (280), 10 states have internal predecessors, (280), 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) Word has length 302 [2024-11-10 19:00:33,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:33,911 INFO L225 Difference]: With dead ends: 515 [2024-11-10 19:00:33,911 INFO L226 Difference]: Without dead ends: 469 [2024-11-10 19:00:33,912 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:00:33,913 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 3 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 1933 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 1933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:33,913 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 227 Invalid, 1933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1933 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:00:33,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-11-10 19:00:33,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 469. [2024-11-10 19:00:33,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 441 states have (on average 1.0476190476190477) internal successors, (462), 460 states have internal predecessors, (462), 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) [2024-11-10 19:00:33,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 476 transitions. [2024-11-10 19:00:33,934 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 476 transitions. Word has length 302 [2024-11-10 19:00:33,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:33,935 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 476 transitions. [2024-11-10 19:00:33,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 31.11111111111111) internal successors, (280), 10 states have internal predecessors, (280), 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) [2024-11-10 19:00:33,935 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 476 transitions. [2024-11-10 19:00:33,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2024-11-10 19:00:33,937 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:33,937 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1] [2024-11-10 19:00:33,955 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-10 19:00:34,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:34,138 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-10 19:00:34,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:34,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1955301912, now seen corresponding path program 2 times [2024-11-10 19:00:34,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:34,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230856772] [2024-11-10 19:00:34,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:34,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:34,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 19:00:34,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:34,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-10 19:00:34,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:34,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-10 19:00:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:34,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-10 19:00:34,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:34,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-11-10 19:00:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:34,364 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 602 trivial. 0 not checked. [2024-11-10 19:00:34,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:34,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230856772] [2024-11-10 19:00:34,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230856772] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:00:34,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862782303] [2024-11-10 19:00:34,365 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:00:34,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:34,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:34,367 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:00:34,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-10 19:00:34,417 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 19:00:34,418 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:00:34,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:00:34,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:34,748 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 602 trivial. 0 not checked. [2024-11-10 19:00:34,749 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:35,080 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 602 trivial. 0 not checked. [2024-11-10 19:00:35,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862782303] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:00:35,081 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:00:35,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-10 19:00:35,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193800130] [2024-11-10 19:00:35,081 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:35,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:00:35,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:35,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:00:35,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:00:35,083 INFO L87 Difference]: Start difference. First operand 469 states and 476 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 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) [2024-11-10 19:00:35,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:35,149 INFO L93 Difference]: Finished difference Result 469 states and 476 transitions. [2024-11-10 19:00:35,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:00:35,150 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 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 322 [2024-11-10 19:00:35,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:35,152 INFO L225 Difference]: With dead ends: 469 [2024-11-10 19:00:35,152 INFO L226 Difference]: Without dead ends: 468 [2024-11-10 19:00:35,152 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 656 GetRequests, 652 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:00:35,153 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 107 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:35,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 259 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:00:35,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2024-11-10 19:00:35,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 468. [2024-11-10 19:00:35,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 441 states have (on average 1.0453514739229024) internal successors, (461), 459 states have internal predecessors, (461), 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) [2024-11-10 19:00:35,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 475 transitions. [2024-11-10 19:00:35,176 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 475 transitions. Word has length 322 [2024-11-10 19:00:35,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:35,176 INFO L471 AbstractCegarLoop]: Abstraction has 468 states and 475 transitions. [2024-11-10 19:00:35,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 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) [2024-11-10 19:00:35,180 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 475 transitions. [2024-11-10 19:00:35,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2024-11-10 19:00:35,181 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:35,182 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1] [2024-11-10 19:00:35,198 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-10 19:00:35,385 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,SelfDestructingSolverStorable22 [2024-11-10 19:00:35,386 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-10 19:00:35,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:35,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1974980381, now seen corresponding path program 2 times [2024-11-10 19:00:35,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:35,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289464319] [2024-11-10 19:00:35,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:35,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:35,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:35,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [534741682] [2024-11-10 19:00:35,433 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:00:35,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:35,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:35,435 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:00:35,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-10 19:00:35,492 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 19:00:35,492 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:00:35,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:00:35,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:35,630 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2024-11-10 19:00:35,630 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:00:35,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:35,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289464319] [2024-11-10 19:00:35,630 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:35,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [534741682] [2024-11-10 19:00:35,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [534741682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:00:35,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:00:35,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:00:35,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922276365] [2024-11-10 19:00:35,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:00:35,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:00:35,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:35,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:00:35,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:00:35,632 INFO L87 Difference]: Start difference. First operand 468 states and 475 transitions. Second operand has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 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) [2024-11-10 19:00:35,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:35,863 INFO L93 Difference]: Finished difference Result 468 states and 475 transitions. [2024-11-10 19:00:35,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:00:35,864 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 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 334 [2024-11-10 19:00:35,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:35,865 INFO L225 Difference]: With dead ends: 468 [2024-11-10 19:00:35,865 INFO L226 Difference]: Without dead ends: 463 [2024-11-10 19:00:35,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:00:35,867 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 153 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:35,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 29 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:00:35,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2024-11-10 19:00:35,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 463. [2024-11-10 19:00:35,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463 states, 441 states have (on average 1.034013605442177) internal successors, (456), 454 states have internal predecessors, (456), 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) [2024-11-10 19:00:35,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 470 transitions. [2024-11-10 19:00:35,888 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 470 transitions. Word has length 334 [2024-11-10 19:00:35,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:35,889 INFO L471 AbstractCegarLoop]: Abstraction has 463 states and 470 transitions. [2024-11-10 19:00:35,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 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) [2024-11-10 19:00:35,889 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 470 transitions. [2024-11-10 19:00:35,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2024-11-10 19:00:35,891 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:35,891 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1] [2024-11-10 19:00:35,908 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-10 19:00:36,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:36,092 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr91ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-10 19:00:36,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:36,092 INFO L85 PathProgramCache]: Analyzing trace with hash 532340294, now seen corresponding path program 1 times [2024-11-10 19:00:36,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:36,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049208982] [2024-11-10 19:00:36,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:36,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:36,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:36,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [12583046] [2024-11-10 19:00:36,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:36,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:36,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:36,127 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:00:36,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-10 19:00:36,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:00:36,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 19:00:36,244 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:00:36,573 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 0 proven. 695 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:00:36,573 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:00:37,370 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 0 proven. 695 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:00:37,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:00:37,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049208982] [2024-11-10 19:00:37,370 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:00:37,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [12583046] [2024-11-10 19:00:37,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [12583046] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:00:37,370 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:00:37,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-10 19:00:37,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020664965] [2024-11-10 19:00:37,371 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:00:37,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 19:00:37,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:00:37,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 19:00:37,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:00:37,372 INFO L87 Difference]: Start difference. First operand 463 states and 470 transitions. Second operand has 14 states, 13 states have (on average 50.15384615384615) internal successors, (652), 14 states have internal predecessors, (652), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 19:00:40,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:00:40,369 INFO L93 Difference]: Finished difference Result 1059 states and 1144 transitions. [2024-11-10 19:00:40,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 19:00:40,370 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 50.15384615384615) internal successors, (652), 14 states have internal predecessors, (652), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Word has length 350 [2024-11-10 19:00:40,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:00:40,375 INFO L225 Difference]: With dead ends: 1059 [2024-11-10 19:00:40,375 INFO L226 Difference]: Without dead ends: 1047 [2024-11-10 19:00:40,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 703 GetRequests, 686 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=131, Invalid=211, Unknown=0, NotChecked=0, Total=342 [2024-11-10 19:00:40,376 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 1505 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 2862 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1508 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 2962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 2862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:00:40,376 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1508 Valid, 486 Invalid, 2962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 2862 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-10 19:00:40,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1047 states. [2024-11-10 19:00:40,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1047 to 772. [2024-11-10 19:00:40,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 772 states, 756 states have (on average 1.0185185185185186) internal successors, (770), 758 states have internal predecessors, (770), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:00:40,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 794 transitions. [2024-11-10 19:00:40,423 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 794 transitions. Word has length 350 [2024-11-10 19:00:40,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:00:40,423 INFO L471 AbstractCegarLoop]: Abstraction has 772 states and 794 transitions. [2024-11-10 19:00:40,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 50.15384615384615) internal successors, (652), 14 states have internal predecessors, (652), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 19:00:40,424 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 794 transitions. [2024-11-10 19:00:40,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2024-11-10 19:00:40,426 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:00:40,426 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:00:40,444 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-10 19:00:40,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:40,627 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-10 19:00:40,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:00:40,627 INFO L85 PathProgramCache]: Analyzing trace with hash 2120627306, now seen corresponding path program 4 times [2024-11-10 19:00:40,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:00:40,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416890508] [2024-11-10 19:00:40,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:00:40,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:00:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:00:40,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1868890480] [2024-11-10 19:00:40,657 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-10 19:00:40,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:00:40,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:00:40,658 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:00:40,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-10 19:00:40,762 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-10 19:00:40,762 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:00:40,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-10 19:00:40,767 INFO L278 TraceCheckSpWp]: Computing forward predicates...