./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench/egcd-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/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/egcd-ll.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5cf588c7d7521936f2238a5a4b8ed55e91050a69daa6016b5b2b4a486ef1b9f8 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 22:23:50,499 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 22:23:50,571 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-22 22:23:50,575 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 22:23:50,575 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 22:23:50,597 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 22:23:50,598 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 22:23:50,598 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 22:23:50,599 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 22:23:50,599 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 22:23:50,599 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 22:23:50,600 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 22:23:50,601 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 22:23:50,603 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 22:23:50,604 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 22:23:50,604 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 22:23:50,605 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 22:23:50,606 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 22:23:50,606 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 22:23:50,609 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 22:23:50,609 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 22:23:50,610 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 22:23:50,610 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 22:23:50,610 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 22:23:50,611 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 22:23:50,611 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-22 22:23:50,611 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 22:23:50,611 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 22:23:50,612 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 22:23:50,612 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 22:23:50,612 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 22:23:50,612 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 22:23:50,613 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 22:23:50,613 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 22:23:50,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:23:50,613 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 22:23:50,613 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 22:23:50,614 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 22:23:50,614 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 22:23:50,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 22:23:50,615 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 22:23:50,616 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 22:23:50,616 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 22:23:50,616 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 22:23:50,617 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5cf588c7d7521936f2238a5a4b8ed55e91050a69daa6016b5b2b4a486ef1b9f8 [2024-11-22 22:23:50,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 22:23:50,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 22:23:50,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 22:23:50,888 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 22:23:50,889 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 22:23:50,890 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/egcd-ll.c [2024-11-22 22:23:52,331 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 22:23:52,507 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 22:23:52,508 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/egcd-ll.c [2024-11-22 22:23:52,516 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/622dc76c4/a64d67c14cdc402f98ff38e818447313/FLAG362888c12 [2024-11-22 22:23:52,534 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/622dc76c4/a64d67c14cdc402f98ff38e818447313 [2024-11-22 22:23:52,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 22:23:52,540 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 22:23:52,542 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 22:23:52,543 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 22:23:52,548 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 22:23:52,549 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:23:52" (1/1) ... [2024-11-22 22:23:52,550 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@521f8f59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:52, skipping insertion in model container [2024-11-22 22:23:52,550 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:23:52" (1/1) ... [2024-11-22 22:23:52,575 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 22:23:52,788 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:23:52,801 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 22:23:52,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:23:52,882 INFO L204 MainTranslator]: Completed translation [2024-11-22 22:23:52,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:52 WrapperNode [2024-11-22 22:23:52,883 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 22:23:52,884 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 22:23:52,884 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 22:23:52,885 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 22:23:52,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:52" (1/1) ... [2024-11-22 22:23:52,902 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:52" (1/1) ... [2024-11-22 22:23:52,943 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 117 [2024-11-22 22:23:52,947 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 22:23:52,948 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 22:23:52,948 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 22:23:52,948 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 22:23:52,959 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:52" (1/1) ... [2024-11-22 22:23:52,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:52" (1/1) ... [2024-11-22 22:23:52,961 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:52" (1/1) ... [2024-11-22 22:23:52,973 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-22 22:23:52,973 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:52" (1/1) ... [2024-11-22 22:23:52,973 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:52" (1/1) ... [2024-11-22 22:23:52,979 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:52" (1/1) ... [2024-11-22 22:23:52,986 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:52" (1/1) ... [2024-11-22 22:23:52,988 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:52" (1/1) ... [2024-11-22 22:23:52,989 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:52" (1/1) ... [2024-11-22 22:23:52,993 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 22:23:52,994 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 22:23:52,999 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 22:23:53,000 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 22:23:53,001 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:52" (1/1) ... [2024-11-22 22:23:53,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:23:53,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:23:53,034 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) [2024-11-22 22:23:53,039 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 [2024-11-22 22:23:53,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 22:23:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 22:23:53,093 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 22:23:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 22:23:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 22:23:53,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 22:23:53,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 22:23:53,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 22:23:53,156 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 22:23:53,159 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 22:23:53,756 INFO L? ?]: Removed 157 outVars from TransFormulas that were not future-live. [2024-11-22 22:23:53,756 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 22:23:53,778 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 22:23:53,779 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 22:23:53,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:23:53 BoogieIcfgContainer [2024-11-22 22:23:53,780 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 22:23:53,782 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 22:23:53,782 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 22:23:53,786 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 22:23:53,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:23:52" (1/3) ... [2024-11-22 22:23:53,788 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@adbde2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:23:53, skipping insertion in model container [2024-11-22 22:23:53,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:52" (2/3) ... [2024-11-22 22:23:53,789 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@adbde2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:23:53, skipping insertion in model container [2024-11-22 22:23:53,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:23:53" (3/3) ... [2024-11-22 22:23:53,791 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd-ll.c [2024-11-22 22:23:53,809 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 22:23:53,809 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 56 error locations. [2024-11-22 22:23:53,884 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 22:23:53,890 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;@ca921d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 22:23:53,890 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2024-11-22 22:23:53,895 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 73 states have (on average 1.8493150684931507) internal successors, (135), 129 states have internal predecessors, (135), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-22 22:23:53,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-22 22:23:53,901 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:53,901 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:23:53,902 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:23:53,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:53,907 INFO L85 PathProgramCache]: Analyzing trace with hash -1636590720, now seen corresponding path program 1 times [2024-11-22 22:23:53,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:53,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626921478] [2024-11-22 22:23:53,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:53,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:54,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:54,076 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-22 22:23:54,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:54,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626921478] [2024-11-22 22:23:54,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626921478] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:23:54,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [359805943] [2024-11-22 22:23:54,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:54,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:54,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:23:54,081 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) [2024-11-22 22:23:54,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 22:23:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:54,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 22:23:54,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:23:54,135 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-22 22:23:54,135 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:23:54,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [359805943] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:23:54,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:23:54,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-22 22:23:54,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245723438] [2024-11-22 22:23:54,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:23:54,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 22:23:54,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:54,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 22:23:54,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 22:23:54,170 INFO L87 Difference]: Start difference. First operand has 141 states, 73 states have (on average 1.8493150684931507) internal successors, (135), 129 states have internal predecessors, (135), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:23:54,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:54,202 INFO L93 Difference]: Finished difference Result 278 states and 310 transitions. [2024-11-22 22:23:54,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 22:23:54,204 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2024-11-22 22:23:54,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:54,210 INFO L225 Difference]: With dead ends: 278 [2024-11-22 22:23:54,211 INFO L226 Difference]: Without dead ends: 134 [2024-11-22 22:23:54,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 22:23:54,218 INFO L432 NwaCegarLoop]: 148 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, 148 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 [2024-11-22 22:23:54,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:23:54,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-11-22 22:23:54,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2024-11-22 22:23:54,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 68 states have (on average 1.838235294117647) internal successors, (125), 123 states have internal predecessors, (125), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-22 22:23:54,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 141 transitions. [2024-11-22 22:23:54,307 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 141 transitions. Word has length 15 [2024-11-22 22:23:54,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:54,310 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 141 transitions. [2024-11-22 22:23:54,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:23:54,310 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 141 transitions. [2024-11-22 22:23:54,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-22 22:23:54,311 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:54,311 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:23:54,329 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-22 22:23:54,512 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,SelfDestructingSolverStorable0 [2024-11-22 22:23:54,513 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:23:54,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:54,513 INFO L85 PathProgramCache]: Analyzing trace with hash -878270273, now seen corresponding path program 1 times [2024-11-22 22:23:54,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:54,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502771853] [2024-11-22 22:23:54,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:54,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:23:54,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [546218763] [2024-11-22 22:23:54,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:54,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:54,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:23:54,554 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) [2024-11-22 22:23:54,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 22:23:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:54,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:23:54,605 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:23:54,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:23:54,650 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:23:54,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:54,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502771853] [2024-11-22 22:23:54,651 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:23:54,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546218763] [2024-11-22 22:23:54,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [546218763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:23:54,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:23:54,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:23:54,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729060775] [2024-11-22 22:23:54,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:23:54,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:23:54,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:54,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:23:54,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:23:54,656 INFO L87 Difference]: Start difference. First operand 134 states and 141 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 22:23:54,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:54,889 INFO L93 Difference]: Finished difference Result 219 states and 265 transitions. [2024-11-22 22:23:54,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:23:54,890 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-11-22 22:23:54,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:54,896 INFO L225 Difference]: With dead ends: 219 [2024-11-22 22:23:54,898 INFO L226 Difference]: Without dead ends: 215 [2024-11-22 22:23:54,898 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:23:54,900 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 73 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:54,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 138 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:23:54,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-22 22:23:54,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 173. [2024-11-22 22:23:54,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 102 states have (on average 1.8431372549019607) internal successors, (188), 157 states have internal predecessors, (188), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-22 22:23:54,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 214 transitions. [2024-11-22 22:23:54,936 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 214 transitions. Word has length 15 [2024-11-22 22:23:54,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:54,937 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 214 transitions. [2024-11-22 22:23:54,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 22:23:54,938 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 214 transitions. [2024-11-22 22:23:54,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-22 22:23:54,938 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:54,938 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:23:54,947 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 22:23:55,139 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,SelfDestructingSolverStorable1 [2024-11-22 22:23:55,140 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:23:55,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:55,140 INFO L85 PathProgramCache]: Analyzing trace with hash 2090826497, now seen corresponding path program 1 times [2024-11-22 22:23:55,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:55,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316836091] [2024-11-22 22:23:55,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:55,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:55,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:23:55,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [379913019] [2024-11-22 22:23:55,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:55,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:55,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:23:55,162 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) [2024-11-22 22:23:55,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 22:23:55,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:55,193 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:23:55,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:23:55,206 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:23:55,208 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:23:55,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:55,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316836091] [2024-11-22 22:23:55,208 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:23:55,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [379913019] [2024-11-22 22:23:55,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [379913019] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:23:55,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:23:55,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:23:55,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303374358] [2024-11-22 22:23:55,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:23:55,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:23:55,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:55,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:23:55,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:23:55,212 INFO L87 Difference]: Start difference. First operand 173 states and 214 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 22:23:55,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:55,347 INFO L93 Difference]: Finished difference Result 274 states and 338 transitions. [2024-11-22 22:23:55,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:23:55,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2024-11-22 22:23:55,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:55,350 INFO L225 Difference]: With dead ends: 274 [2024-11-22 22:23:55,350 INFO L226 Difference]: Without dead ends: 266 [2024-11-22 22:23:55,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:23:55,354 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 84 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:55,355 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 196 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:23:55,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2024-11-22 22:23:55,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 226. [2024-11-22 22:23:55,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 149 states have (on average 1.7919463087248322) internal successors, (267), 204 states have internal predecessors, (267), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-22 22:23:55,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 305 transitions. [2024-11-22 22:23:55,371 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 305 transitions. Word has length 17 [2024-11-22 22:23:55,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:55,372 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 305 transitions. [2024-11-22 22:23:55,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 22:23:55,372 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 305 transitions. [2024-11-22 22:23:55,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-22 22:23:55,373 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:55,373 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:23:55,382 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-22 22:23:55,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:55,578 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:23:55,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:55,578 INFO L85 PathProgramCache]: Analyzing trace with hash -760429245, now seen corresponding path program 1 times [2024-11-22 22:23:55,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:55,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547112007] [2024-11-22 22:23:55,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:55,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:23:55,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [776016597] [2024-11-22 22:23:55,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:55,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:55,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:23:55,606 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) [2024-11-22 22:23:55,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 22:23:55,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:55,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 22:23:55,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:23:55,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:23:55,700 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:23:55,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:55,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547112007] [2024-11-22 22:23:55,700 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:23:55,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776016597] [2024-11-22 22:23:55,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [776016597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:23:55,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:23:55,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:23:55,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339166351] [2024-11-22 22:23:55,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:23:55,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:23:55,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:55,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:23:55,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:23:55,703 INFO L87 Difference]: Start difference. First operand 226 states and 305 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 22:23:55,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:55,962 INFO L93 Difference]: Finished difference Result 260 states and 324 transitions. [2024-11-22 22:23:55,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:23:55,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2024-11-22 22:23:55,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:55,965 INFO L225 Difference]: With dead ends: 260 [2024-11-22 22:23:55,966 INFO L226 Difference]: Without dead ends: 246 [2024-11-22 22:23:55,966 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:23:55,969 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 61 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:55,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 124 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:23:55,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-22 22:23:55,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 191. [2024-11-22 22:23:55,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 119 states have (on average 1.7142857142857142) internal successors, (204), 174 states have internal predecessors, (204), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-22 22:23:55,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 232 transitions. [2024-11-22 22:23:55,986 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 232 transitions. Word has length 19 [2024-11-22 22:23:55,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:55,987 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 232 transitions. [2024-11-22 22:23:55,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 22:23:55,987 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 232 transitions. [2024-11-22 22:23:55,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-22 22:23:55,988 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:55,988 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:23:55,998 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-22 22:23:56,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:56,189 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:23:56,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:56,190 INFO L85 PathProgramCache]: Analyzing trace with hash -2013228301, now seen corresponding path program 1 times [2024-11-22 22:23:56,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:56,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167811498] [2024-11-22 22:23:56,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:56,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:23:56,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2053561233] [2024-11-22 22:23:56,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:56,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:56,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:23:56,217 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) [2024-11-22 22:23:56,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 22:23:56,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:56,250 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:23:56,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:23:56,284 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:23:56,284 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:23:56,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:56,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167811498] [2024-11-22 22:23:56,285 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:23:56,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053561233] [2024-11-22 22:23:56,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2053561233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:23:56,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:23:56,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:23:56,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837414580] [2024-11-22 22:23:56,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:23:56,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:23:56,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:56,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:23:56,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:23:56,287 INFO L87 Difference]: Start difference. First operand 191 states and 232 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2024-11-22 22:23:56,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:56,467 INFO L93 Difference]: Finished difference Result 353 states and 451 transitions. [2024-11-22 22:23:56,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:23:56,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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 26 [2024-11-22 22:23:56,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:56,470 INFO L225 Difference]: With dead ends: 353 [2024-11-22 22:23:56,470 INFO L226 Difference]: Without dead ends: 345 [2024-11-22 22:23:56,471 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:23:56,471 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 84 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:56,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 192 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:23:56,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-22 22:23:56,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 270. [2024-11-22 22:23:56,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 189 states have (on average 1.693121693121693) internal successors, (320), 244 states have internal predecessors, (320), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:23:56,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 366 transitions. [2024-11-22 22:23:56,500 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 366 transitions. Word has length 26 [2024-11-22 22:23:56,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:56,501 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 366 transitions. [2024-11-22 22:23:56,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2024-11-22 22:23:56,501 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 366 transitions. [2024-11-22 22:23:56,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-22 22:23:56,502 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:56,502 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:23:56,508 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-22 22:23:56,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:56,703 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:23:56,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:56,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1977112107, now seen corresponding path program 1 times [2024-11-22 22:23:56,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:56,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049514474] [2024-11-22 22:23:56,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:56,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:56,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:23:56,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2028891464] [2024-11-22 22:23:56,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:56,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:56,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:23:56,736 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) [2024-11-22 22:23:56,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-22 22:23:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:56,795 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:23:56,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:23:56,902 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:23:56,902 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:23:56,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:56,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049514474] [2024-11-22 22:23:56,903 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:23:56,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2028891464] [2024-11-22 22:23:56,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2028891464] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:23:56,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:23:56,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:23:56,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965566536] [2024-11-22 22:23:56,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:23:56,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:23:56,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:56,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:23:56,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:23:56,904 INFO L87 Difference]: Start difference. First operand 270 states and 366 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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) [2024-11-22 22:23:57,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:57,102 INFO L93 Difference]: Finished difference Result 323 states and 431 transitions. [2024-11-22 22:23:57,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:23:57,103 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 28 [2024-11-22 22:23:57,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:57,105 INFO L225 Difference]: With dead ends: 323 [2024-11-22 22:23:57,105 INFO L226 Difference]: Without dead ends: 321 [2024-11-22 22:23:57,106 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:23:57,106 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 231 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:57,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 137 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:23:57,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-22 22:23:57,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 270. [2024-11-22 22:23:57,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 189 states have (on average 1.6719576719576719) internal successors, (316), 244 states have internal predecessors, (316), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:23:57,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 362 transitions. [2024-11-22 22:23:57,122 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 362 transitions. Word has length 28 [2024-11-22 22:23:57,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:57,122 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 362 transitions. [2024-11-22 22:23:57,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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) [2024-11-22 22:23:57,122 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 362 transitions. [2024-11-22 22:23:57,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-22 22:23:57,123 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:57,123 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:23:57,131 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-22 22:23:57,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:57,324 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:23:57,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:57,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1160933108, now seen corresponding path program 1 times [2024-11-22 22:23:57,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:57,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120427214] [2024-11-22 22:23:57,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:57,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:23:57,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [94036620] [2024-11-22 22:23:57,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:57,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:57,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:23:57,350 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) [2024-11-22 22:23:57,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-22 22:23:57,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:57,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:23:57,393 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:23:57,462 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:23:57,462 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:23:57,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:57,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120427214] [2024-11-22 22:23:57,462 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:23:57,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94036620] [2024-11-22 22:23:57,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94036620] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:23:57,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:23:57,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:23:57,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169118562] [2024-11-22 22:23:57,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:23:57,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:23:57,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:57,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:23:57,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:23:57,465 INFO L87 Difference]: Start difference. First operand 270 states and 362 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (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) [2024-11-22 22:23:57,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:57,767 INFO L93 Difference]: Finished difference Result 323 states and 427 transitions. [2024-11-22 22:23:57,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:23:57,768 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (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 29 [2024-11-22 22:23:57,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:57,770 INFO L225 Difference]: With dead ends: 323 [2024-11-22 22:23:57,770 INFO L226 Difference]: Without dead ends: 321 [2024-11-22 22:23:57,770 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:23:57,771 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 170 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:57,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 152 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:23:57,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-22 22:23:57,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 270. [2024-11-22 22:23:57,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 189 states have (on average 1.6507936507936507) internal successors, (312), 244 states have internal predecessors, (312), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:23:57,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 358 transitions. [2024-11-22 22:23:57,799 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 358 transitions. Word has length 29 [2024-11-22 22:23:57,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:57,800 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 358 transitions. [2024-11-22 22:23:57,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (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) [2024-11-22 22:23:57,800 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 358 transitions. [2024-11-22 22:23:57,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-22 22:23:57,802 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:57,802 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:23:57,810 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-22 22:23:58,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:58,003 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:23:58,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:58,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1629187913, now seen corresponding path program 1 times [2024-11-22 22:23:58,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:58,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736590889] [2024-11-22 22:23:58,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:58,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:23:58,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1872784871] [2024-11-22 22:23:58,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:58,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:58,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:23:58,023 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) [2024-11-22 22:23:58,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-22 22:23:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:58,060 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:23:58,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:23:58,105 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:23:58,105 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:23:58,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:58,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736590889] [2024-11-22 22:23:58,106 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:23:58,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872784871] [2024-11-22 22:23:58,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1872784871] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:23:58,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:23:58,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:23:58,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089608393] [2024-11-22 22:23:58,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:23:58,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:23:58,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:58,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:23:58,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:23:58,107 INFO L87 Difference]: Start difference. First operand 270 states and 358 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-11-22 22:23:58,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:58,496 INFO L93 Difference]: Finished difference Result 343 states and 431 transitions. [2024-11-22 22:23:58,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:23:58,497 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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 30 [2024-11-22 22:23:58,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:58,499 INFO L225 Difference]: With dead ends: 343 [2024-11-22 22:23:58,499 INFO L226 Difference]: Without dead ends: 341 [2024-11-22 22:23:58,499 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:23:58,500 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 85 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:58,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 210 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:23:58,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-11-22 22:23:58,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 271. [2024-11-22 22:23:58,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 190 states have (on average 1.631578947368421) internal successors, (310), 245 states have internal predecessors, (310), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:23:58,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 356 transitions. [2024-11-22 22:23:58,513 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 356 transitions. Word has length 30 [2024-11-22 22:23:58,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:58,513 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 356 transitions. [2024-11-22 22:23:58,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-11-22 22:23:58,514 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 356 transitions. [2024-11-22 22:23:58,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-22 22:23:58,514 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:58,514 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:23:58,522 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-22 22:23:58,715 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,SelfDestructingSolverStorable7 [2024-11-22 22:23:58,716 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:23:58,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:58,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1034782318, now seen corresponding path program 1 times [2024-11-22 22:23:58,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:58,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397818077] [2024-11-22 22:23:58,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:58,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:58,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:23:58,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [521382835] [2024-11-22 22:23:58,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:58,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:58,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:23:58,754 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) [2024-11-22 22:23:58,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-22 22:23:58,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:58,791 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:23:58,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:23:58,876 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:23:58,877 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:23:58,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:58,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397818077] [2024-11-22 22:23:58,877 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:23:58,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521382835] [2024-11-22 22:23:58,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521382835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:23:58,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:23:58,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:23:58,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41844105] [2024-11-22 22:23:58,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:23:58,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:23:58,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:58,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:23:58,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:23:58,883 INFO L87 Difference]: Start difference. First operand 271 states and 356 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2024-11-22 22:23:59,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:59,462 INFO L93 Difference]: Finished difference Result 343 states and 427 transitions. [2024-11-22 22:23:59,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:23:59,463 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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 31 [2024-11-22 22:23:59,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:59,467 INFO L225 Difference]: With dead ends: 343 [2024-11-22 22:23:59,467 INFO L226 Difference]: Without dead ends: 341 [2024-11-22 22:23:59,467 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:23:59,468 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 85 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:59,468 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 213 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-22 22:23:59,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-11-22 22:23:59,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 272. [2024-11-22 22:23:59,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 191 states have (on average 1.612565445026178) internal successors, (308), 246 states have internal predecessors, (308), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:23:59,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 354 transitions. [2024-11-22 22:23:59,489 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 354 transitions. Word has length 31 [2024-11-22 22:23:59,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:59,490 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 354 transitions. [2024-11-22 22:23:59,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2024-11-22 22:23:59,492 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 354 transitions. [2024-11-22 22:23:59,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-22 22:23:59,492 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:59,493 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:23:59,502 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-22 22:23:59,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:59,699 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:23:59,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:59,699 INFO L85 PathProgramCache]: Analyzing trace with hash -787965737, now seen corresponding path program 1 times [2024-11-22 22:23:59,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:59,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985176536] [2024-11-22 22:23:59,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:59,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:59,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:23:59,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1916306597] [2024-11-22 22:23:59,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:59,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:59,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:23:59,721 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) [2024-11-22 22:23:59,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-22 22:23:59,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:59,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:23:59,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:23:59,863 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-22 22:23:59,863 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:23:59,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:59,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985176536] [2024-11-22 22:23:59,863 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:23:59,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916306597] [2024-11-22 22:23:59,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916306597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:23:59,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:23:59,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:23:59,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073972098] [2024-11-22 22:23:59,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:23:59,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:23:59,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:59,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:23:59,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:23:59,865 INFO L87 Difference]: Start difference. First operand 272 states and 354 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:24:00,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:00,099 INFO L93 Difference]: Finished difference Result 294 states and 373 transitions. [2024-11-22 22:24:00,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:24:00,100 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 39 [2024-11-22 22:24:00,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:00,101 INFO L225 Difference]: With dead ends: 294 [2024-11-22 22:24:00,101 INFO L226 Difference]: Without dead ends: 292 [2024-11-22 22:24:00,102 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:24:00,102 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 155 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:00,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 162 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:24:00,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-11-22 22:24:00,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 273. [2024-11-22 22:24:00,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 192 states have (on average 1.5989583333333333) internal successors, (307), 247 states have internal predecessors, (307), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:24:00,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 353 transitions. [2024-11-22 22:24:00,116 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 353 transitions. Word has length 39 [2024-11-22 22:24:00,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:00,117 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 353 transitions. [2024-11-22 22:24:00,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:24:00,117 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 353 transitions. [2024-11-22 22:24:00,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-22 22:24:00,122 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:00,122 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:00,130 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:00,326 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,SelfDestructingSolverStorable9 [2024-11-22 22:24:00,327 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:00,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:00,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1342866007, now seen corresponding path program 1 times [2024-11-22 22:24:00,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:00,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233001484] [2024-11-22 22:24:00,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:00,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:00,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:00,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [181830151] [2024-11-22 22:24:00,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:00,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:00,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:00,360 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) [2024-11-22 22:24:00,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-22 22:24:00,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:00,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:24:00,396 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:00,474 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-22 22:24:00,474 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:24:00,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:00,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233001484] [2024-11-22 22:24:00,475 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:00,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [181830151] [2024-11-22 22:24:00,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [181830151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:24:00,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:24:00,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:24:00,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774757338] [2024-11-22 22:24:00,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:24:00,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:24:00,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:00,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:24:00,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:24:00,477 INFO L87 Difference]: Start difference. First operand 273 states and 353 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:24:00,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:00,649 INFO L93 Difference]: Finished difference Result 294 states and 370 transitions. [2024-11-22 22:24:00,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:24:00,650 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2024-11-22 22:24:00,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:00,651 INFO L225 Difference]: With dead ends: 294 [2024-11-22 22:24:00,651 INFO L226 Difference]: Without dead ends: 292 [2024-11-22 22:24:00,651 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:24:00,652 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 207 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:00,652 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 147 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:24:00,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-11-22 22:24:00,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 274. [2024-11-22 22:24:00,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 193 states have (on average 1.5854922279792747) internal successors, (306), 248 states have internal predecessors, (306), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:24:00,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 352 transitions. [2024-11-22 22:24:00,665 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 352 transitions. Word has length 40 [2024-11-22 22:24:00,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:00,665 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 352 transitions. [2024-11-22 22:24:00,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:24:00,665 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 352 transitions. [2024-11-22 22:24:00,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-22 22:24:00,666 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:00,666 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:00,675 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:00,867 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,SelfDestructingSolverStorable10 [2024-11-22 22:24:00,867 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:00,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:00,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1320826663, now seen corresponding path program 1 times [2024-11-22 22:24:00,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:00,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514751673] [2024-11-22 22:24:00,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:00,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:00,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:00,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [520278749] [2024-11-22 22:24:00,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:00,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:00,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:00,888 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) [2024-11-22 22:24:00,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-22 22:24:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:00,924 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:24:00,925 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:00,964 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-22 22:24:00,965 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:24:00,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:00,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514751673] [2024-11-22 22:24:00,965 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:00,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520278749] [2024-11-22 22:24:00,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520278749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:24:00,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:24:00,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:24:00,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823778254] [2024-11-22 22:24:00,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:24:00,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:24:00,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:00,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:24:00,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:24:00,967 INFO L87 Difference]: Start difference. First operand 274 states and 352 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:24:01,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:01,220 INFO L93 Difference]: Finished difference Result 302 states and 359 transitions. [2024-11-22 22:24:01,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:24:01,220 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2024-11-22 22:24:01,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:01,222 INFO L225 Difference]: With dead ends: 302 [2024-11-22 22:24:01,223 INFO L226 Difference]: Without dead ends: 300 [2024-11-22 22:24:01,224 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:24:01,224 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 127 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:01,224 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 193 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:24:01,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2024-11-22 22:24:01,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 275. [2024-11-22 22:24:01,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 194 states have (on average 1.5721649484536082) internal successors, (305), 249 states have internal predecessors, (305), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:24:01,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 351 transitions. [2024-11-22 22:24:01,237 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 351 transitions. Word has length 41 [2024-11-22 22:24:01,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:01,238 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 351 transitions. [2024-11-22 22:24:01,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:24:01,238 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 351 transitions. [2024-11-22 22:24:01,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-22 22:24:01,239 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:01,239 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:01,247 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-22 22:24:01,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-22 22:24:01,440 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:01,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:01,440 INFO L85 PathProgramCache]: Analyzing trace with hash 2004046489, now seen corresponding path program 1 times [2024-11-22 22:24:01,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:01,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215410144] [2024-11-22 22:24:01,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:01,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:01,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:01,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [270202948] [2024-11-22 22:24:01,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:01,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:01,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:01,461 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) [2024-11-22 22:24:01,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-22 22:24:01,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:01,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:24:01,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:01,595 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-22 22:24:01,596 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:24:01,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:01,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215410144] [2024-11-22 22:24:01,596 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:01,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270202948] [2024-11-22 22:24:01,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270202948] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:24:01,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:24:01,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:24:01,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534750965] [2024-11-22 22:24:01,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:24:01,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:24:01,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:01,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:24:01,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:24:01,599 INFO L87 Difference]: Start difference. First operand 275 states and 351 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:24:02,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:02,097 INFO L93 Difference]: Finished difference Result 302 states and 356 transitions. [2024-11-22 22:24:02,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:24:02,097 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 42 [2024-11-22 22:24:02,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:02,099 INFO L225 Difference]: With dead ends: 302 [2024-11-22 22:24:02,099 INFO L226 Difference]: Without dead ends: 300 [2024-11-22 22:24:02,099 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:24:02,100 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 77 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:02,100 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 241 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 22:24:02,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2024-11-22 22:24:02,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 276. [2024-11-22 22:24:02,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 195 states have (on average 1.558974358974359) internal successors, (304), 250 states have internal predecessors, (304), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:24:02,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 350 transitions. [2024-11-22 22:24:02,112 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 350 transitions. Word has length 42 [2024-11-22 22:24:02,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:02,112 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 350 transitions. [2024-11-22 22:24:02,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:24:02,113 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 350 transitions. [2024-11-22 22:24:02,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-22 22:24:02,113 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:02,114 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:02,121 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-22 22:24:02,314 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,SelfDestructingSolverStorable12 [2024-11-22 22:24:02,314 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:02,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:02,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1148688527, now seen corresponding path program 1 times [2024-11-22 22:24:02,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:02,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65709340] [2024-11-22 22:24:02,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:02,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:02,391 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-22 22:24:02,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:02,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65709340] [2024-11-22 22:24:02,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65709340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:24:02,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:24:02,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:24:02,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259949458] [2024-11-22 22:24:02,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:24:02,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:24:02,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:02,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:24:02,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:24:02,393 INFO L87 Difference]: Start difference. First operand 276 states and 350 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-22 22:24:02,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:02,432 INFO L93 Difference]: Finished difference Result 276 states and 350 transitions. [2024-11-22 22:24:02,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:24:02,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 49 [2024-11-22 22:24:02,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:02,434 INFO L225 Difference]: With dead ends: 276 [2024-11-22 22:24:02,434 INFO L226 Difference]: Without dead ends: 274 [2024-11-22 22:24:02,434 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 [2024-11-22 22:24:02,435 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 46 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:02,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 199 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:24:02,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-11-22 22:24:02,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 274. [2024-11-22 22:24:02,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 195 states have (on average 1.528205128205128) internal successors, (298), 248 states have internal predecessors, (298), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:24:02,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 344 transitions. [2024-11-22 22:24:02,446 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 344 transitions. Word has length 49 [2024-11-22 22:24:02,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:02,447 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 344 transitions. [2024-11-22 22:24:02,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-22 22:24:02,447 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 344 transitions. [2024-11-22 22:24:02,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-22 22:24:02,448 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:02,448 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:02,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 22:24:02,448 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:02,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:02,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1249605844, now seen corresponding path program 1 times [2024-11-22 22:24:02,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:02,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317312562] [2024-11-22 22:24:02,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:02,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:02,522 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-22 22:24:02,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:02,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317312562] [2024-11-22 22:24:02,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317312562] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:24:02,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:24:02,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:24:02,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420310330] [2024-11-22 22:24:02,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:24:02,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:24:02,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:02,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:24:02,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:24:02,524 INFO L87 Difference]: Start difference. First operand 274 states and 344 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-22 22:24:02,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:02,558 INFO L93 Difference]: Finished difference Result 274 states and 344 transitions. [2024-11-22 22:24:02,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:24:02,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 50 [2024-11-22 22:24:02,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:02,561 INFO L225 Difference]: With dead ends: 274 [2024-11-22 22:24:02,561 INFO L226 Difference]: Without dead ends: 272 [2024-11-22 22:24:02,561 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 [2024-11-22 22:24:02,562 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 45 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:02,562 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 198 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:24:02,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2024-11-22 22:24:02,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 272. [2024-11-22 22:24:02,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 195 states have (on average 1.4871794871794872) internal successors, (290), 246 states have internal predecessors, (290), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:24:02,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 336 transitions. [2024-11-22 22:24:02,575 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 336 transitions. Word has length 50 [2024-11-22 22:24:02,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:02,576 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 336 transitions. [2024-11-22 22:24:02,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-22 22:24:02,576 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 336 transitions. [2024-11-22 22:24:02,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-22 22:24:02,577 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:02,577 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:02,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-22 22:24:02,577 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:02,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:02,578 INFO L85 PathProgramCache]: Analyzing trace with hash -83033665, now seen corresponding path program 1 times [2024-11-22 22:24:02,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:02,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659729399] [2024-11-22 22:24:02,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:02,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:02,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:02,692 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-22 22:24:02,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:02,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659729399] [2024-11-22 22:24:02,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659729399] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:24:02,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:24:02,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:24:02,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280177020] [2024-11-22 22:24:02,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:24:02,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:24:02,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:02,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:24:02,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:24:02,694 INFO L87 Difference]: Start difference. First operand 272 states and 336 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:24:02,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:02,941 INFO L93 Difference]: Finished difference Result 273 states and 336 transitions. [2024-11-22 22:24:02,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:24:02,942 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 51 [2024-11-22 22:24:02,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:02,943 INFO L225 Difference]: With dead ends: 273 [2024-11-22 22:24:02,943 INFO L226 Difference]: Without dead ends: 272 [2024-11-22 22:24:02,943 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:24:02,944 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 158 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:02,944 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 134 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:24:02,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2024-11-22 22:24:02,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 272. [2024-11-22 22:24:02,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 195 states have (on average 1.4820512820512821) internal successors, (289), 246 states have internal predecessors, (289), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:24:02,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 335 transitions. [2024-11-22 22:24:02,959 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 335 transitions. Word has length 51 [2024-11-22 22:24:02,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:02,960 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 335 transitions. [2024-11-22 22:24:02,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:24:02,961 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 335 transitions. [2024-11-22 22:24:02,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-22 22:24:02,961 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:02,962 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:02,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-22 22:24:02,962 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:02,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:02,963 INFO L85 PathProgramCache]: Analyzing trace with hash -83047567, now seen corresponding path program 1 times [2024-11-22 22:24:02,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:02,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683583220] [2024-11-22 22:24:02,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:02,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:03,043 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-22 22:24:03,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:03,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683583220] [2024-11-22 22:24:03,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683583220] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:24:03,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:24:03,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:24:03,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710627938] [2024-11-22 22:24:03,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:24:03,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:24:03,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:03,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:24:03,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:24:03,045 INFO L87 Difference]: Start difference. First operand 272 states and 335 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:24:03,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:03,277 INFO L93 Difference]: Finished difference Result 275 states and 338 transitions. [2024-11-22 22:24:03,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:24:03,277 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 51 [2024-11-22 22:24:03,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:03,279 INFO L225 Difference]: With dead ends: 275 [2024-11-22 22:24:03,279 INFO L226 Difference]: Without dead ends: 274 [2024-11-22 22:24:03,279 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:24:03,280 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 158 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:03,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 134 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:24:03,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-11-22 22:24:03,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 274. [2024-11-22 22:24:03,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 197 states have (on average 1.4771573604060915) internal successors, (291), 248 states have internal predecessors, (291), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:24:03,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 337 transitions. [2024-11-22 22:24:03,296 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 337 transitions. Word has length 51 [2024-11-22 22:24:03,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:03,297 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 337 transitions. [2024-11-22 22:24:03,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:24:03,297 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 337 transitions. [2024-11-22 22:24:03,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-22 22:24:03,299 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:03,299 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:03,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 22:24:03,299 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:03,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:03,300 INFO L85 PathProgramCache]: Analyzing trace with hash 245358770, now seen corresponding path program 1 times [2024-11-22 22:24:03,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:03,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956688714] [2024-11-22 22:24:03,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:03,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:03,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:03,363 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-22 22:24:03,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:03,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956688714] [2024-11-22 22:24:03,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956688714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:24:03,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:24:03,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:24:03,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907013452] [2024-11-22 22:24:03,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:24:03,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:24:03,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:03,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:24:03,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:24:03,365 INFO L87 Difference]: Start difference. First operand 274 states and 337 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:24:03,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:03,549 INFO L93 Difference]: Finished difference Result 331 states and 405 transitions. [2024-11-22 22:24:03,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:24:03,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 54 [2024-11-22 22:24:03,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:03,551 INFO L225 Difference]: With dead ends: 331 [2024-11-22 22:24:03,551 INFO L226 Difference]: Without dead ends: 327 [2024-11-22 22:24:03,551 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 [2024-11-22 22:24:03,552 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 43 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:03,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 140 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:24:03,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2024-11-22 22:24:03,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 284. [2024-11-22 22:24:03,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 207 states have (on average 1.458937198067633) internal successors, (302), 258 states have internal predecessors, (302), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:24:03,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 348 transitions. [2024-11-22 22:24:03,566 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 348 transitions. Word has length 54 [2024-11-22 22:24:03,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:03,566 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 348 transitions. [2024-11-22 22:24:03,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:24:03,567 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 348 transitions. [2024-11-22 22:24:03,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-22 22:24:03,567 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:03,568 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-22 22:24:03,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-22 22:24:03,568 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:03,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:03,568 INFO L85 PathProgramCache]: Analyzing trace with hash -551106875, now seen corresponding path program 1 times [2024-11-22 22:24:03,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:03,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581603855] [2024-11-22 22:24:03,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:03,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:03,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2068398698] [2024-11-22 22:24:03,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:03,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:03,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:03,584 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) [2024-11-22 22:24:03,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-22 22:24:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:03,627 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:24:03,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:03,805 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-22 22:24:03,805 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:03,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:03,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581603855] [2024-11-22 22:24:03,982 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:03,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068398698] [2024-11-22 22:24:03,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2068398698] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:03,983 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:03,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-22 22:24:03,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299608951] [2024-11-22 22:24:03,983 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:03,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:24:03,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:03,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:24:03,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:24:03,986 INFO L87 Difference]: Start difference. First operand 284 states and 348 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:24:04,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:04,183 INFO L93 Difference]: Finished difference Result 325 states and 399 transitions. [2024-11-22 22:24:04,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:24:04,183 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 57 [2024-11-22 22:24:04,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:04,185 INFO L225 Difference]: With dead ends: 325 [2024-11-22 22:24:04,185 INFO L226 Difference]: Without dead ends: 323 [2024-11-22 22:24:04,186 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:24:04,186 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 72 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:04,186 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 130 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:24:04,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-22 22:24:04,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 285. [2024-11-22 22:24:04,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 208 states have (on average 1.4519230769230769) internal successors, (302), 259 states have internal predecessors, (302), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:24:04,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 348 transitions. [2024-11-22 22:24:04,202 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 348 transitions. Word has length 57 [2024-11-22 22:24:04,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:04,202 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 348 transitions. [2024-11-22 22:24:04,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:24:04,203 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 348 transitions. [2024-11-22 22:24:04,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-22 22:24:04,203 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:04,203 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-22 22:24:04,211 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:04,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:04,404 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:04,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:04,404 INFO L85 PathProgramCache]: Analyzing trace with hash 95556107, now seen corresponding path program 1 times [2024-11-22 22:24:04,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:04,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375283202] [2024-11-22 22:24:04,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:04,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:04,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:04,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1666385569] [2024-11-22 22:24:04,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:04,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:04,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:04,419 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) [2024-11-22 22:24:04,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-22 22:24:04,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:04,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:24:04,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:04,627 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-22 22:24:04,628 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:04,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:04,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375283202] [2024-11-22 22:24:04,791 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:04,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1666385569] [2024-11-22 22:24:04,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1666385569] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:04,791 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:04,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-22 22:24:04,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946397704] [2024-11-22 22:24:04,792 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:04,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:24:04,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:04,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:24:04,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:24:04,793 INFO L87 Difference]: Start difference. First operand 285 states and 348 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:24:05,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:05,026 INFO L93 Difference]: Finished difference Result 325 states and 397 transitions. [2024-11-22 22:24:05,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:24:05,027 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 58 [2024-11-22 22:24:05,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:05,029 INFO L225 Difference]: With dead ends: 325 [2024-11-22 22:24:05,029 INFO L226 Difference]: Without dead ends: 323 [2024-11-22 22:24:05,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:24:05,030 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 72 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:05,030 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 134 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:24:05,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-22 22:24:05,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 286. [2024-11-22 22:24:05,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 209 states have (on average 1.444976076555024) internal successors, (302), 260 states have internal predecessors, (302), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:24:05,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 348 transitions. [2024-11-22 22:24:05,046 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 348 transitions. Word has length 58 [2024-11-22 22:24:05,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:05,046 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 348 transitions. [2024-11-22 22:24:05,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:24:05,046 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 348 transitions. [2024-11-22 22:24:05,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-22 22:24:05,047 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:05,047 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:05,055 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-22 22:24:05,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:05,252 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:05,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:05,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1661736759, now seen corresponding path program 1 times [2024-11-22 22:24:05,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:05,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640354558] [2024-11-22 22:24:05,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:05,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:05,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:05,397 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-22 22:24:05,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:05,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640354558] [2024-11-22 22:24:05,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640354558] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:05,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80728867] [2024-11-22 22:24:05,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:05,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:05,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:05,401 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) [2024-11-22 22:24:05,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-22 22:24:05,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:05,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 22:24:05,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:05,631 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 22:24:05,631 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:24:05,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [80728867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:24:05,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:05,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-22 22:24:05,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805612069] [2024-11-22 22:24:05,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:24:05,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:24:05,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:05,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:24:05,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:24:05,633 INFO L87 Difference]: Start difference. First operand 286 states and 348 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:24:05,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:05,996 INFO L93 Difference]: Finished difference Result 322 states and 395 transitions. [2024-11-22 22:24:05,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:24:05,996 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 62 [2024-11-22 22:24:05,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:05,998 INFO L225 Difference]: With dead ends: 322 [2024-11-22 22:24:05,998 INFO L226 Difference]: Without dead ends: 321 [2024-11-22 22:24:05,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:24:05,999 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 62 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:05,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 122 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:24:06,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-22 22:24:06,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 287. [2024-11-22 22:24:06,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 210 states have (on average 1.438095238095238) internal successors, (302), 261 states have internal predecessors, (302), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:24:06,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 348 transitions. [2024-11-22 22:24:06,018 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 348 transitions. Word has length 62 [2024-11-22 22:24:06,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:06,019 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 348 transitions. [2024-11-22 22:24:06,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:24:06,019 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 348 transitions. [2024-11-22 22:24:06,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-22 22:24:06,020 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:06,020 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:06,029 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-22 22:24:06,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:06,221 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:06,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:06,222 INFO L85 PathProgramCache]: Analyzing trace with hash -851283895, now seen corresponding path program 1 times [2024-11-22 22:24:06,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:06,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018775177] [2024-11-22 22:24:06,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:06,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:06,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1986813599] [2024-11-22 22:24:06,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:06,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:06,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:06,238 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) [2024-11-22 22:24:06,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-22 22:24:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:06,275 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:24:06,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:06,344 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-22 22:24:06,344 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:24:06,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:06,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018775177] [2024-11-22 22:24:06,345 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:06,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986813599] [2024-11-22 22:24:06,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986813599] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:24:06,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:24:06,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:24:06,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141911709] [2024-11-22 22:24:06,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:24:06,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:24:06,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:06,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:24:06,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:24:06,349 INFO L87 Difference]: Start difference. First operand 287 states and 348 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:24:06,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:06,636 INFO L93 Difference]: Finished difference Result 338 states and 393 transitions. [2024-11-22 22:24:06,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:24:06,639 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 61 [2024-11-22 22:24:06,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:06,640 INFO L225 Difference]: With dead ends: 338 [2024-11-22 22:24:06,640 INFO L226 Difference]: Without dead ends: 337 [2024-11-22 22:24:06,641 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:24:06,641 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 74 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:06,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 203 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:24:06,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-11-22 22:24:06,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 287. [2024-11-22 22:24:06,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 210 states have (on average 1.4333333333333333) internal successors, (301), 261 states have internal predecessors, (301), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:24:06,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 347 transitions. [2024-11-22 22:24:06,660 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 347 transitions. Word has length 61 [2024-11-22 22:24:06,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:06,660 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 347 transitions. [2024-11-22 22:24:06,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:24:06,661 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 347 transitions. [2024-11-22 22:24:06,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-22 22:24:06,661 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:06,661 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:06,670 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:06,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:06,863 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:06,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:06,863 INFO L85 PathProgramCache]: Analyzing trace with hash 25768165, now seen corresponding path program 1 times [2024-11-22 22:24:06,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:06,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40711640] [2024-11-22 22:24:06,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:06,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:06,994 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-22 22:24:06,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:06,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40711640] [2024-11-22 22:24:06,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40711640] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:06,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715145017] [2024-11-22 22:24:06,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:06,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:06,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:06,998 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) [2024-11-22 22:24:06,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-22 22:24:07,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:07,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 22:24:07,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:07,225 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 22:24:07,226 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:24:07,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [715145017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:24:07,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:07,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2024-11-22 22:24:07,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796414452] [2024-11-22 22:24:07,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:24:07,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:24:07,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:07,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:24:07,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:24:07,228 INFO L87 Difference]: Start difference. First operand 287 states and 347 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:24:07,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:07,631 INFO L93 Difference]: Finished difference Result 322 states and 392 transitions. [2024-11-22 22:24:07,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:24:07,632 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 63 [2024-11-22 22:24:07,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:07,633 INFO L225 Difference]: With dead ends: 322 [2024-11-22 22:24:07,633 INFO L226 Difference]: Without dead ends: 321 [2024-11-22 22:24:07,634 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:24:07,634 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 59 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:07,634 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 128 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:24:07,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-22 22:24:07,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 288. [2024-11-22 22:24:07,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 211 states have (on average 1.4265402843601895) internal successors, (301), 262 states have internal predecessors, (301), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:24:07,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 347 transitions. [2024-11-22 22:24:07,650 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 347 transitions. Word has length 63 [2024-11-22 22:24:07,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:07,650 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 347 transitions. [2024-11-22 22:24:07,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:24:07,650 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 347 transitions. [2024-11-22 22:24:07,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-22 22:24:07,651 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:07,651 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:07,659 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-22 22:24:07,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:07,855 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:07,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:07,856 INFO L85 PathProgramCache]: Analyzing trace with hash -619996913, now seen corresponding path program 1 times [2024-11-22 22:24:07,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:07,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532620600] [2024-11-22 22:24:07,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:07,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:07,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1198812403] [2024-11-22 22:24:07,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:07,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:07,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:07,883 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) [2024-11-22 22:24:07,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-22 22:24:07,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:07,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:24:07,924 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:08,021 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-22 22:24:08,021 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:24:08,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:08,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532620600] [2024-11-22 22:24:08,022 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:08,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1198812403] [2024-11-22 22:24:08,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1198812403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:24:08,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:24:08,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:24:08,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259994171] [2024-11-22 22:24:08,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:24:08,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:24:08,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:08,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:24:08,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:24:08,024 INFO L87 Difference]: Start difference. First operand 288 states and 347 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:24:08,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:08,333 INFO L93 Difference]: Finished difference Result 340 states and 390 transitions. [2024-11-22 22:24:08,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:24:08,334 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 62 [2024-11-22 22:24:08,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:08,336 INFO L225 Difference]: With dead ends: 340 [2024-11-22 22:24:08,336 INFO L226 Difference]: Without dead ends: 337 [2024-11-22 22:24:08,336 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:24:08,337 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 110 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:08,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 163 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:24:08,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-11-22 22:24:08,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 291. [2024-11-22 22:24:08,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 214 states have (on average 1.4205607476635513) internal successors, (304), 265 states have internal predecessors, (304), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:24:08,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 350 transitions. [2024-11-22 22:24:08,353 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 350 transitions. Word has length 62 [2024-11-22 22:24:08,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:08,353 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 350 transitions. [2024-11-22 22:24:08,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:24:08,354 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 350 transitions. [2024-11-22 22:24:08,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-22 22:24:08,354 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:08,355 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-22 22:24:08,363 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:08,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:08,555 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:08,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:08,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1769928389, now seen corresponding path program 1 times [2024-11-22 22:24:08,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:08,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267242057] [2024-11-22 22:24:08,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:08,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:08,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [134638679] [2024-11-22 22:24:08,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:08,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:08,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:08,575 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:08,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-22 22:24:08,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:08,617 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-22 22:24:08,618 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:08,910 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-22 22:24:08,911 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:09,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:09,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267242057] [2024-11-22 22:24:09,033 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:09,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134638679] [2024-11-22 22:24:09,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [134638679] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:09,034 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:09,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-22 22:24:09,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275627955] [2024-11-22 22:24:09,034 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:09,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:24:09,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:09,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:24:09,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:24:09,036 INFO L87 Difference]: Start difference. First operand 291 states and 350 transitions. Second operand has 8 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:24:09,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:09,534 INFO L93 Difference]: Finished difference Result 475 states and 598 transitions. [2024-11-22 22:24:09,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:24:09,538 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 68 [2024-11-22 22:24:09,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:09,540 INFO L225 Difference]: With dead ends: 475 [2024-11-22 22:24:09,540 INFO L226 Difference]: Without dead ends: 471 [2024-11-22 22:24:09,540 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:24:09,541 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 552 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 566 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:09,541 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [566 Valid, 281 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 22:24:09,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2024-11-22 22:24:09,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 367. [2024-11-22 22:24:09,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 281 states have (on average 1.4590747330960854) internal successors, (410), 332 states have internal predecessors, (410), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-22 22:24:09,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 474 transitions. [2024-11-22 22:24:09,567 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 474 transitions. Word has length 68 [2024-11-22 22:24:09,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:09,567 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 474 transitions. [2024-11-22 22:24:09,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:24:09,570 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 474 transitions. [2024-11-22 22:24:09,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-22 22:24:09,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:09,571 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-22 22:24:09,579 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-22 22:24:09,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-22 22:24:09,772 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:09,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:09,773 INFO L85 PathProgramCache]: Analyzing trace with hash 966794850, now seen corresponding path program 1 times [2024-11-22 22:24:09,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:09,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849879849] [2024-11-22 22:24:09,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:09,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:09,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1313002274] [2024-11-22 22:24:09,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:09,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:09,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:09,791 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:09,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-22 22:24:09,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:09,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-22 22:24:09,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:10,108 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-22 22:24:10,109 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:10,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:10,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849879849] [2024-11-22 22:24:10,456 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:10,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1313002274] [2024-11-22 22:24:10,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1313002274] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:10,457 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:10,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-22 22:24:10,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459542343] [2024-11-22 22:24:10,457 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:10,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:24:10,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:10,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:24:10,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:24:10,458 INFO L87 Difference]: Start difference. First operand 367 states and 474 transitions. Second operand has 8 states, 6 states have (on average 8.0) internal successors, (48), 7 states have internal predecessors, (48), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:24:10,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:10,855 INFO L93 Difference]: Finished difference Result 397 states and 499 transitions. [2024-11-22 22:24:10,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 22:24:10,855 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 8.0) internal successors, (48), 7 states have internal predecessors, (48), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 69 [2024-11-22 22:24:10,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:10,857 INFO L225 Difference]: With dead ends: 397 [2024-11-22 22:24:10,857 INFO L226 Difference]: Without dead ends: 391 [2024-11-22 22:24:10,857 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:24:10,858 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 145 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:10,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 369 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:24:10,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2024-11-22 22:24:10,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 361. [2024-11-22 22:24:10,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 281 states have (on average 1.405693950177936) internal successors, (395), 326 states have internal predecessors, (395), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-22 22:24:10,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 459 transitions. [2024-11-22 22:24:10,882 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 459 transitions. Word has length 69 [2024-11-22 22:24:10,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:10,882 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 459 transitions. [2024-11-22 22:24:10,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 8.0) internal successors, (48), 7 states have internal predecessors, (48), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:24:10,882 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 459 transitions. [2024-11-22 22:24:10,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-22 22:24:10,883 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:10,883 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-22 22:24:10,891 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-22 22:24:11,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-22 22:24:11,085 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:11,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:11,086 INFO L85 PathProgramCache]: Analyzing trace with hash -94130659, now seen corresponding path program 1 times [2024-11-22 22:24:11,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:11,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331723529] [2024-11-22 22:24:11,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:11,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:11,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:11,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [666292955] [2024-11-22 22:24:11,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:11,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:11,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:11,103 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:11,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-22 22:24:11,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:11,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-22 22:24:11,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:11,490 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-22 22:24:11,490 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:11,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:11,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331723529] [2024-11-22 22:24:11,639 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:11,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666292955] [2024-11-22 22:24:11,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666292955] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:11,639 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:11,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-22 22:24:11,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164401028] [2024-11-22 22:24:11,639 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:11,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 22:24:11,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:11,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 22:24:11,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:24:11,641 INFO L87 Difference]: Start difference. First operand 361 states and 459 transitions. Second operand has 9 states, 7 states have (on average 7.0) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:24:12,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:12,425 INFO L93 Difference]: Finished difference Result 504 states and 664 transitions. [2024-11-22 22:24:12,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:24:12,425 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.0) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 70 [2024-11-22 22:24:12,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:12,429 INFO L225 Difference]: With dead ends: 504 [2024-11-22 22:24:12,429 INFO L226 Difference]: Without dead ends: 497 [2024-11-22 22:24:12,430 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-11-22 22:24:12,430 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 310 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 980 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 1013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:12,430 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 313 Invalid, 1013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 980 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-22 22:24:12,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2024-11-22 22:24:12,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 454. [2024-11-22 22:24:12,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 364 states have (on average 1.4532967032967032) internal successors, (529), 409 states have internal predecessors, (529), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-22 22:24:12,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 613 transitions. [2024-11-22 22:24:12,455 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 613 transitions. Word has length 70 [2024-11-22 22:24:12,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:12,455 INFO L471 AbstractCegarLoop]: Abstraction has 454 states and 613 transitions. [2024-11-22 22:24:12,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.0) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:24:12,456 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 613 transitions. [2024-11-22 22:24:12,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-22 22:24:12,456 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:12,456 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-22 22:24:12,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:12,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-22 22:24:12,657 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:12,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:12,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1376916932, now seen corresponding path program 1 times [2024-11-22 22:24:12,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:12,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792541006] [2024-11-22 22:24:12,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:12,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:12,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:12,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [775580370] [2024-11-22 22:24:12,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:12,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:12,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:12,671 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:12,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-22 22:24:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:12,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-22 22:24:12,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:13,071 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-22 22:24:13,071 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:13,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:13,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792541006] [2024-11-22 22:24:13,383 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:13,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775580370] [2024-11-22 22:24:13,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [775580370] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:13,383 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:13,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-22 22:24:13,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338442316] [2024-11-22 22:24:13,383 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:13,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 22:24:13,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:13,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 22:24:13,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:24:13,384 INFO L87 Difference]: Start difference. First operand 454 states and 613 transitions. Second operand has 9 states, 7 states have (on average 7.142857142857143) internal successors, (50), 8 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:24:14,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:14,018 INFO L93 Difference]: Finished difference Result 556 states and 748 transitions. [2024-11-22 22:24:14,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:24:14,019 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.142857142857143) internal successors, (50), 8 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 71 [2024-11-22 22:24:14,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:14,021 INFO L225 Difference]: With dead ends: 556 [2024-11-22 22:24:14,021 INFO L226 Difference]: Without dead ends: 554 [2024-11-22 22:24:14,022 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-11-22 22:24:14,022 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 346 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 871 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:14,023 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 287 Invalid, 901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 871 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 22:24:14,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2024-11-22 22:24:14,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 489. [2024-11-22 22:24:14,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 395 states have (on average 1.4481012658227848) internal successors, (572), 440 states have internal predecessors, (572), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-22 22:24:14,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 664 transitions. [2024-11-22 22:24:14,051 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 664 transitions. Word has length 71 [2024-11-22 22:24:14,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:14,052 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 664 transitions. [2024-11-22 22:24:14,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.142857142857143) internal successors, (50), 8 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:24:14,052 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 664 transitions. [2024-11-22 22:24:14,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-22 22:24:14,053 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:14,053 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-22 22:24:14,061 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:14,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:14,254 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:14,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:14,254 INFO L85 PathProgramCache]: Analyzing trace with hash -265248001, now seen corresponding path program 1 times [2024-11-22 22:24:14,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:14,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656484653] [2024-11-22 22:24:14,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:14,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:14,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:14,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [489085149] [2024-11-22 22:24:14,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:14,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:14,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:14,273 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:14,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-22 22:24:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:14,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-22 22:24:14,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:14,751 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 22:24:14,751 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:15,059 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 22:24:15,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:15,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656484653] [2024-11-22 22:24:15,063 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:15,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489085149] [2024-11-22 22:24:15,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489085149] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:15,064 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:24:15,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-22 22:24:15,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564336897] [2024-11-22 22:24:15,064 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:15,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 22:24:15,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:15,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 22:24:15,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:24:15,070 INFO L87 Difference]: Start difference. First operand 489 states and 664 transitions. Second operand has 10 states, 9 states have (on average 9.777777777777779) internal successors, (88), 10 states have internal predecessors, (88), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-22 22:24:16,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:16,400 INFO L93 Difference]: Finished difference Result 622 states and 858 transitions. [2024-11-22 22:24:16,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-22 22:24:16,400 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.777777777777779) internal successors, (88), 10 states have internal predecessors, (88), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 72 [2024-11-22 22:24:16,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:16,403 INFO L225 Difference]: With dead ends: 622 [2024-11-22 22:24:16,403 INFO L226 Difference]: Without dead ends: 589 [2024-11-22 22:24:16,404 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-22 22:24:16,405 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 353 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 898 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 898 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:16,405 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 183 Invalid, 952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 898 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-22 22:24:16,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2024-11-22 22:24:16,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 541. [2024-11-22 22:24:16,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 445 states have (on average 1.449438202247191) internal successors, (645), 489 states have internal predecessors, (645), 49 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-22 22:24:16,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 743 transitions. [2024-11-22 22:24:16,449 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 743 transitions. Word has length 72 [2024-11-22 22:24:16,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:16,449 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 743 transitions. [2024-11-22 22:24:16,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.777777777777779) internal successors, (88), 10 states have internal predecessors, (88), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-22 22:24:16,450 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 743 transitions. [2024-11-22 22:24:16,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-22 22:24:16,450 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:16,451 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-22 22:24:16,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:16,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-22 22:24:16,655 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:16,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:16,656 INFO L85 PathProgramCache]: Analyzing trace with hash 367246630, now seen corresponding path program 1 times [2024-11-22 22:24:16,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:16,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851906282] [2024-11-22 22:24:16,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:16,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:16,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:16,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1570327076] [2024-11-22 22:24:16,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:16,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:16,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:16,674 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:16,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-22 22:24:16,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:16,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-22 22:24:16,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:17,179 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-22 22:24:17,179 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:17,513 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-22 22:24:17,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:17,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851906282] [2024-11-22 22:24:17,513 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:17,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570327076] [2024-11-22 22:24:17,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1570327076] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:17,514 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:24:17,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-22 22:24:17,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291256641] [2024-11-22 22:24:17,514 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:17,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-22 22:24:17,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:17,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-22 22:24:17,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-11-22 22:24:17,517 INFO L87 Difference]: Start difference. First operand 541 states and 743 transitions. Second operand has 15 states, 12 states have (on average 8.0) internal successors, (96), 13 states have internal predecessors, (96), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 8 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-22 22:24:19,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:19,354 INFO L93 Difference]: Finished difference Result 697 states and 964 transitions. [2024-11-22 22:24:19,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-22 22:24:19,354 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 8.0) internal successors, (96), 13 states have internal predecessors, (96), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 8 states have call predecessors, (12), 6 states have call successors, (12) Word has length 73 [2024-11-22 22:24:19,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:19,356 INFO L225 Difference]: With dead ends: 697 [2024-11-22 22:24:19,356 INFO L226 Difference]: Without dead ends: 693 [2024-11-22 22:24:19,357 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2024-11-22 22:24:19,357 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 1163 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 1055 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1170 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 1178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 1055 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:19,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1170 Valid, 338 Invalid, 1178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 1055 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-22 22:24:19,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2024-11-22 22:24:19,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 602. [2024-11-22 22:24:19,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 502 states have (on average 1.4342629482071714) internal successors, (720), 545 states have internal predecessors, (720), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-22 22:24:19,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 828 transitions. [2024-11-22 22:24:19,396 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 828 transitions. Word has length 73 [2024-11-22 22:24:19,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:19,396 INFO L471 AbstractCegarLoop]: Abstraction has 602 states and 828 transitions. [2024-11-22 22:24:19,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 12 states have (on average 8.0) internal successors, (96), 13 states have internal predecessors, (96), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 8 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-22 22:24:19,396 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 828 transitions. [2024-11-22 22:24:19,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-22 22:24:19,397 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:19,397 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:19,405 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-22 22:24:19,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:19,602 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:19,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:19,603 INFO L85 PathProgramCache]: Analyzing trace with hash 876652123, now seen corresponding path program 1 times [2024-11-22 22:24:19,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:19,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489592150] [2024-11-22 22:24:19,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:19,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:19,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:19,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [82307474] [2024-11-22 22:24:19,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:19,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:19,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:19,621 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:19,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-22 22:24:19,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:19,666 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-22 22:24:19,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:19,945 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-22 22:24:19,946 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:20,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:20,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489592150] [2024-11-22 22:24:20,065 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:20,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82307474] [2024-11-22 22:24:20,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [82307474] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:20,065 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:20,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-22 22:24:20,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177785708] [2024-11-22 22:24:20,065 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:20,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:24:20,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:20,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:24:20,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:24:20,066 INFO L87 Difference]: Start difference. First operand 602 states and 828 transitions. Second operand has 8 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-22 22:24:20,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:20,478 INFO L93 Difference]: Finished difference Result 884 states and 1257 transitions. [2024-11-22 22:24:20,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:24:20,479 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 79 [2024-11-22 22:24:20,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:20,481 INFO L225 Difference]: With dead ends: 884 [2024-11-22 22:24:20,481 INFO L226 Difference]: Without dead ends: 882 [2024-11-22 22:24:20,482 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:24:20,482 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 277 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:20,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 296 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:24:20,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2024-11-22 22:24:20,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 829. [2024-11-22 22:24:20,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 829 states, 702 states have (on average 1.462962962962963) internal successors, (1027), 745 states have internal predecessors, (1027), 81 states have call successors, (81), 2 states have call predecessors, (81), 2 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-22 22:24:20,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 1189 transitions. [2024-11-22 22:24:20,541 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 1189 transitions. Word has length 79 [2024-11-22 22:24:20,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:20,541 INFO L471 AbstractCegarLoop]: Abstraction has 829 states and 1189 transitions. [2024-11-22 22:24:20,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-22 22:24:20,542 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1189 transitions. [2024-11-22 22:24:20,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-22 22:24:20,542 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:20,543 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-22 22:24:20,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:20,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-11-22 22:24:20,744 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:20,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:20,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1406412111, now seen corresponding path program 1 times [2024-11-22 22:24:20,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:20,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837196234] [2024-11-22 22:24:20,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:20,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:20,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [861758160] [2024-11-22 22:24:20,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:20,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:20,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:20,771 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:20,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-22 22:24:20,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:20,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-22 22:24:20,816 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:21,093 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-22 22:24:21,093 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:21,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:21,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837196234] [2024-11-22 22:24:21,268 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:21,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861758160] [2024-11-22 22:24:21,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [861758160] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:21,269 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:21,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-22 22:24:21,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980681348] [2024-11-22 22:24:21,269 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:21,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:24:21,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:21,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:24:21,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:24:21,270 INFO L87 Difference]: Start difference. First operand 829 states and 1189 transitions. Second operand has 8 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-22 22:24:21,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:21,591 INFO L93 Difference]: Finished difference Result 835 states and 1192 transitions. [2024-11-22 22:24:21,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 22:24:21,592 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 80 [2024-11-22 22:24:21,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:21,597 INFO L225 Difference]: With dead ends: 835 [2024-11-22 22:24:21,597 INFO L226 Difference]: Without dead ends: 829 [2024-11-22 22:24:21,598 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:24:21,599 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 128 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:21,600 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 327 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:24:21,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2024-11-22 22:24:21,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 696. [2024-11-22 22:24:21,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 696 states, 588 states have (on average 1.3860544217687074) internal successors, (815), 625 states have internal predecessors, (815), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-22 22:24:21,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 951 transitions. [2024-11-22 22:24:21,659 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 951 transitions. Word has length 80 [2024-11-22 22:24:21,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:21,659 INFO L471 AbstractCegarLoop]: Abstraction has 696 states and 951 transitions. [2024-11-22 22:24:21,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-22 22:24:21,659 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 951 transitions. [2024-11-22 22:24:21,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-22 22:24:21,660 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:21,660 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-22 22:24:21,667 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:21,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:21,865 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:21,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:21,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1017301855, now seen corresponding path program 1 times [2024-11-22 22:24:21,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:21,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450107431] [2024-11-22 22:24:21,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:21,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:21,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:21,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1656304955] [2024-11-22 22:24:21,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:21,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:21,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:21,878 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:21,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-22 22:24:21,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:21,921 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-22 22:24:21,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:22,340 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-22 22:24:22,340 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:22,672 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-22 22:24:22,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:22,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450107431] [2024-11-22 22:24:22,672 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:22,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1656304955] [2024-11-22 22:24:22,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1656304955] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:22,673 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:24:22,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-22 22:24:22,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843731947] [2024-11-22 22:24:22,673 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:22,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 22:24:22,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:22,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 22:24:22,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:24:22,674 INFO L87 Difference]: Start difference. First operand 696 states and 951 transitions. Second operand has 12 states, 11 states have (on average 9.090909090909092) internal successors, (100), 12 states have internal predecessors, (100), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-22 22:24:23,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:23,896 INFO L93 Difference]: Finished difference Result 846 states and 1176 transitions. [2024-11-22 22:24:23,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-22 22:24:23,897 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.090909090909092) internal successors, (100), 12 states have internal predecessors, (100), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) Word has length 83 [2024-11-22 22:24:23,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:23,899 INFO L225 Difference]: With dead ends: 846 [2024-11-22 22:24:23,899 INFO L226 Difference]: Without dead ends: 844 [2024-11-22 22:24:23,900 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2024-11-22 22:24:23,901 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 500 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 1011 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 502 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 1080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 1011 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:23,901 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [502 Valid, 229 Invalid, 1080 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 1011 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-22 22:24:23,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 844 states. [2024-11-22 22:24:23,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 844 to 803. [2024-11-22 22:24:23,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 803 states, 687 states have (on average 1.3901018922852983) internal successors, (955), 723 states have internal predecessors, (955), 77 states have call successors, (77), 2 states have call predecessors, (77), 2 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-22 22:24:23,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1109 transitions. [2024-11-22 22:24:23,976 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1109 transitions. Word has length 83 [2024-11-22 22:24:23,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:23,980 INFO L471 AbstractCegarLoop]: Abstraction has 803 states and 1109 transitions. [2024-11-22 22:24:23,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.090909090909092) internal successors, (100), 12 states have internal predecessors, (100), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-22 22:24:23,980 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1109 transitions. [2024-11-22 22:24:23,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-22 22:24:23,981 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:23,981 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-22 22:24:23,989 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:24,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:24,182 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:24,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:24,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1471586515, now seen corresponding path program 1 times [2024-11-22 22:24:24,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:24,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266797373] [2024-11-22 22:24:24,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:24,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:24,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:24,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1744635784] [2024-11-22 22:24:24,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:24,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:24,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:24,201 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:24,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-22 22:24:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:24,250 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-22 22:24:24,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:24,742 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-22 22:24:24,742 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:25,092 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-22 22:24:25,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:25,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266797373] [2024-11-22 22:24:25,092 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:25,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744635784] [2024-11-22 22:24:25,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1744635784] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:25,092 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:24:25,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-22 22:24:25,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679131306] [2024-11-22 22:24:25,093 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:25,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-22 22:24:25,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:25,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-22 22:24:25,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-11-22 22:24:25,094 INFO L87 Difference]: Start difference. First operand 803 states and 1109 transitions. Second operand has 15 states, 12 states have (on average 9.0) internal successors, (108), 13 states have internal predecessors, (108), 8 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-22 22:24:26,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:26,568 INFO L93 Difference]: Finished difference Result 917 states and 1265 transitions. [2024-11-22 22:24:26,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-22 22:24:26,569 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 9.0) internal successors, (108), 13 states have internal predecessors, (108), 8 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 8 states have call successors, (14) Word has length 84 [2024-11-22 22:24:26,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:26,571 INFO L225 Difference]: With dead ends: 917 [2024-11-22 22:24:26,571 INFO L226 Difference]: Without dead ends: 913 [2024-11-22 22:24:26,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=140, Invalid=322, Unknown=0, NotChecked=0, Total=462 [2024-11-22 22:24:26,572 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 698 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 967 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 704 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 1038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:26,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [704 Valid, 299 Invalid, 1038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 967 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-22 22:24:26,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 913 states. [2024-11-22 22:24:26,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 913 to 822. [2024-11-22 22:24:26,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 822 states, 705 states have (on average 1.3914893617021276) internal successors, (981), 740 states have internal predecessors, (981), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-22 22:24:26,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 822 states and 1139 transitions. [2024-11-22 22:24:26,637 INFO L78 Accepts]: Start accepts. Automaton has 822 states and 1139 transitions. Word has length 84 [2024-11-22 22:24:26,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:26,637 INFO L471 AbstractCegarLoop]: Abstraction has 822 states and 1139 transitions. [2024-11-22 22:24:26,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 12 states have (on average 9.0) internal successors, (108), 13 states have internal predecessors, (108), 8 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-22 22:24:26,638 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1139 transitions. [2024-11-22 22:24:26,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-22 22:24:26,638 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:26,639 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-22 22:24:26,646 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-22 22:24:26,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:26,839 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:26,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:26,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1866798277, now seen corresponding path program 1 times [2024-11-22 22:24:26,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:26,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776217663] [2024-11-22 22:24:26,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:26,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:26,942 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:24:26,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:26,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776217663] [2024-11-22 22:24:26,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776217663] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:26,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [708843876] [2024-11-22 22:24:26,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:26,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:26,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:26,946 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:26,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-22 22:24:26,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:26,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:24:26,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:27,193 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:24:27,194 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:27,324 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:24:27,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [708843876] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:27,325 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:24:27,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-22 22:24:27,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199436400] [2024-11-22 22:24:27,325 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:27,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:24:27,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:27,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:24:27,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:24:27,327 INFO L87 Difference]: Start difference. First operand 822 states and 1139 transitions. Second operand has 11 states, 10 states have (on average 16.3) internal successors, (163), 11 states have internal predecessors, (163), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-22 22:24:27,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:27,981 INFO L93 Difference]: Finished difference Result 981 states and 1308 transitions. [2024-11-22 22:24:27,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-22 22:24:27,981 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 16.3) internal successors, (163), 11 states have internal predecessors, (163), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 93 [2024-11-22 22:24:27,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:27,985 INFO L225 Difference]: With dead ends: 981 [2024-11-22 22:24:27,985 INFO L226 Difference]: Without dead ends: 980 [2024-11-22 22:24:27,986 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=131, Invalid=249, Unknown=0, NotChecked=0, Total=380 [2024-11-22 22:24:27,986 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 464 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:27,987 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 432 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 22:24:27,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2024-11-22 22:24:28,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 865. [2024-11-22 22:24:28,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 865 states, 743 states have (on average 1.3822341857335128) internal successors, (1027), 778 states have internal predecessors, (1027), 84 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-22 22:24:28,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 1195 transitions. [2024-11-22 22:24:28,078 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 1195 transitions. Word has length 93 [2024-11-22 22:24:28,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:28,078 INFO L471 AbstractCegarLoop]: Abstraction has 865 states and 1195 transitions. [2024-11-22 22:24:28,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 16.3) internal successors, (163), 11 states have internal predecessors, (163), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-22 22:24:28,079 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1195 transitions. [2024-11-22 22:24:28,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-22 22:24:28,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:28,080 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-22 22:24:28,091 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:28,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-22 22:24:28,283 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:28,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:28,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1866784375, now seen corresponding path program 1 times [2024-11-22 22:24:28,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:28,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727370722] [2024-11-22 22:24:28,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:28,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:28,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:28,361 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:24:28,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:28,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727370722] [2024-11-22 22:24:28,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727370722] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:28,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581151407] [2024-11-22 22:24:28,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:28,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:28,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:28,364 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:28,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-22 22:24:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:28,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:24:28,411 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:28,577 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:24:28,577 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:28,731 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:24:28,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581151407] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:28,731 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:24:28,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 15 [2024-11-22 22:24:28,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75105593] [2024-11-22 22:24:28,732 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:28,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-22 22:24:28,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:28,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-22 22:24:28,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:24:28,733 INFO L87 Difference]: Start difference. First operand 865 states and 1195 transitions. Second operand has 16 states, 15 states have (on average 10.866666666666667) internal successors, (163), 16 states have internal predecessors, (163), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-22 22:24:29,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:29,833 INFO L93 Difference]: Finished difference Result 1115 states and 1492 transitions. [2024-11-22 22:24:29,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-22 22:24:29,834 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 10.866666666666667) internal successors, (163), 16 states have internal predecessors, (163), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 93 [2024-11-22 22:24:29,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:29,838 INFO L225 Difference]: With dead ends: 1115 [2024-11-22 22:24:29,838 INFO L226 Difference]: Without dead ends: 1114 [2024-11-22 22:24:29,839 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 689 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=677, Invalid=1773, Unknown=0, NotChecked=0, Total=2450 [2024-11-22 22:24:29,840 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 1332 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1332 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:29,841 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1332 Valid, 672 Invalid, 801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-22 22:24:29,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2024-11-22 22:24:29,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 963. [2024-11-22 22:24:29,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 830 states have (on average 1.3987951807228916) internal successors, (1161), 865 states have internal predecessors, (1161), 95 states have call successors, (95), 2 states have call predecessors, (95), 2 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2024-11-22 22:24:29,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1351 transitions. [2024-11-22 22:24:29,940 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1351 transitions. Word has length 93 [2024-11-22 22:24:29,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:29,940 INFO L471 AbstractCegarLoop]: Abstraction has 963 states and 1351 transitions. [2024-11-22 22:24:29,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 10.866666666666667) internal successors, (163), 16 states have internal predecessors, (163), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-22 22:24:29,941 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1351 transitions. [2024-11-22 22:24:29,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-22 22:24:29,941 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:29,942 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-22 22:24:29,949 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-11-22 22:24:30,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-22 22:24:30,145 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:30,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:30,146 INFO L85 PathProgramCache]: Analyzing trace with hash 2036171850, now seen corresponding path program 1 times [2024-11-22 22:24:30,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:30,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117935152] [2024-11-22 22:24:30,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:30,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:30,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:30,222 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:24:30,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:30,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117935152] [2024-11-22 22:24:30,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117935152] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:30,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916607525] [2024-11-22 22:24:30,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:30,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:30,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:30,226 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:30,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-22 22:24:30,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:30,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:24:30,271 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:30,404 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:24:30,404 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:30,503 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:24:30,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916607525] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:30,503 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:24:30,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-22 22:24:30,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626469058] [2024-11-22 22:24:30,503 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:30,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:24:30,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:30,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:24:30,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:24:30,504 INFO L87 Difference]: Start difference. First operand 963 states and 1351 transitions. Second operand has 8 states, 7 states have (on average 23.428571428571427) internal successors, (164), 8 states have internal predecessors, (164), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-22 22:24:30,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:30,994 INFO L93 Difference]: Finished difference Result 1428 states and 2013 transitions. [2024-11-22 22:24:30,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:24:30,994 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 23.428571428571427) internal successors, (164), 8 states have internal predecessors, (164), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 94 [2024-11-22 22:24:30,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:30,998 INFO L225 Difference]: With dead ends: 1428 [2024-11-22 22:24:30,998 INFO L226 Difference]: Without dead ends: 1426 [2024-11-22 22:24:30,999 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:24:30,999 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 224 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:30,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 335 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:24:31,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2024-11-22 22:24:31,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 1152. [2024-11-22 22:24:31,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1152 states, 1001 states have (on average 1.4155844155844155) internal successors, (1417), 1036 states have internal predecessors, (1417), 113 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2024-11-22 22:24:31,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 1152 states and 1643 transitions. [2024-11-22 22:24:31,096 INFO L78 Accepts]: Start accepts. Automaton has 1152 states and 1643 transitions. Word has length 94 [2024-11-22 22:24:31,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:31,096 INFO L471 AbstractCegarLoop]: Abstraction has 1152 states and 1643 transitions. [2024-11-22 22:24:31,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 23.428571428571427) internal successors, (164), 8 states have internal predecessors, (164), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-22 22:24:31,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1643 transitions. [2024-11-22 22:24:31,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-22 22:24:31,097 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:31,098 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-22 22:24:31,105 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-11-22 22:24:31,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:31,298 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:31,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:31,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1237588550, now seen corresponding path program 1 times [2024-11-22 22:24:31,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:31,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760936369] [2024-11-22 22:24:31,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:31,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:31,375 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:24:31,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:31,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760936369] [2024-11-22 22:24:31,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760936369] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:31,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742115892] [2024-11-22 22:24:31,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:31,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:31,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:31,378 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:31,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-22 22:24:31,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:31,425 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:24:31,426 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:31,599 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:24:31,599 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:31,707 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:24:31,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742115892] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:31,707 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:24:31,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-22 22:24:31,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020446310] [2024-11-22 22:24:31,708 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:31,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:24:31,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:31,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:24:31,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:24:31,709 INFO L87 Difference]: Start difference. First operand 1152 states and 1643 transitions. Second operand has 8 states, 7 states have (on average 24.285714285714285) internal successors, (170), 8 states have internal predecessors, (170), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-22 22:24:32,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:32,254 INFO L93 Difference]: Finished difference Result 1729 states and 2472 transitions. [2024-11-22 22:24:32,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:24:32,254 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 24.285714285714285) internal successors, (170), 8 states have internal predecessors, (170), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 96 [2024-11-22 22:24:32,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:32,260 INFO L225 Difference]: With dead ends: 1729 [2024-11-22 22:24:32,260 INFO L226 Difference]: Without dead ends: 1727 [2024-11-22 22:24:32,261 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:24:32,261 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 307 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:32,261 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 310 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:24:32,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1727 states. [2024-11-22 22:24:32,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1727 to 1378. [2024-11-22 22:24:32,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1378 states, 1205 states have (on average 1.4149377593360997) internal successors, (1705), 1240 states have internal predecessors, (1705), 135 states have call successors, (135), 2 states have call predecessors, (135), 2 states have return successors, (135), 135 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-22 22:24:32,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1378 states and 1975 transitions. [2024-11-22 22:24:32,407 INFO L78 Accepts]: Start accepts. Automaton has 1378 states and 1975 transitions. Word has length 96 [2024-11-22 22:24:32,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:32,407 INFO L471 AbstractCegarLoop]: Abstraction has 1378 states and 1975 transitions. [2024-11-22 22:24:32,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 24.285714285714285) internal successors, (170), 8 states have internal predecessors, (170), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-22 22:24:32,408 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 1975 transitions. [2024-11-22 22:24:32,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-22 22:24:32,409 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:32,409 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:32,417 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:32,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-22 22:24:32,610 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:32,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:32,610 INFO L85 PathProgramCache]: Analyzing trace with hash -707492355, now seen corresponding path program 1 times [2024-11-22 22:24:32,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:32,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532930453] [2024-11-22 22:24:32,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:32,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:32,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:32,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [532770303] [2024-11-22 22:24:32,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:32,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:32,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:32,632 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:32,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-22 22:24:32,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:32,687 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-22 22:24:32,689 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:33,160 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-22 22:24:33,160 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:33,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:33,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532930453] [2024-11-22 22:24:33,254 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:33,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532770303] [2024-11-22 22:24:33,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532770303] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:33,254 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:33,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-22 22:24:33,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756362857] [2024-11-22 22:24:33,255 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:33,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 22:24:33,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:33,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 22:24:33,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:24:33,256 INFO L87 Difference]: Start difference. First operand 1378 states and 1975 transitions. Second operand has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-22 22:24:34,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:34,440 INFO L93 Difference]: Finished difference Result 1455 states and 2073 transitions. [2024-11-22 22:24:34,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-22 22:24:34,441 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 99 [2024-11-22 22:24:34,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:34,445 INFO L225 Difference]: With dead ends: 1455 [2024-11-22 22:24:34,446 INFO L226 Difference]: Without dead ends: 1453 [2024-11-22 22:24:34,446 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=174, Invalid=476, Unknown=0, NotChecked=0, Total=650 [2024-11-22 22:24:34,446 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 348 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 1899 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 1931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:34,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 577 Invalid, 1931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1899 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-22 22:24:34,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2024-11-22 22:24:34,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1402. [2024-11-22 22:24:34,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1402 states, 1226 states have (on average 1.4135399673735727) internal successors, (1733), 1261 states have internal predecessors, (1733), 138 states have call successors, (138), 2 states have call predecessors, (138), 2 states have return successors, (138), 138 states have call predecessors, (138), 138 states have call successors, (138) [2024-11-22 22:24:34,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 1402 states and 2009 transitions. [2024-11-22 22:24:34,562 INFO L78 Accepts]: Start accepts. Automaton has 1402 states and 2009 transitions. Word has length 99 [2024-11-22 22:24:34,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:34,562 INFO L471 AbstractCegarLoop]: Abstraction has 1402 states and 2009 transitions. [2024-11-22 22:24:34,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-22 22:24:34,563 INFO L276 IsEmpty]: Start isEmpty. Operand 1402 states and 2009 transitions. [2024-11-22 22:24:34,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-22 22:24:34,563 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:34,563 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:34,569 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-11-22 22:24:34,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-22 22:24:34,764 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:34,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:34,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1951824003, now seen corresponding path program 2 times [2024-11-22 22:24:34,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:34,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784688265] [2024-11-22 22:24:34,764 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:24:34,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:34,779 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:24:34,780 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:24:34,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [162209500] [2024-11-22 22:24:34,781 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:24:34,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:34,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:34,784 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:34,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-22 22:24:34,835 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:24:34,836 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:24:34,836 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 22:24:34,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:35,091 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:24:35,091 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:35,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:35,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784688265] [2024-11-22 22:24:35,157 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:35,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [162209500] [2024-11-22 22:24:35,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [162209500] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:35,157 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:35,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-22 22:24:35,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005643047] [2024-11-22 22:24:35,158 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:35,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:24:35,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:35,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:24:35,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:24:35,158 INFO L87 Difference]: Start difference. First operand 1402 states and 2009 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-22 22:24:35,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:35,682 INFO L93 Difference]: Finished difference Result 1555 states and 2227 transitions. [2024-11-22 22:24:35,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-22 22:24:35,682 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 99 [2024-11-22 22:24:35,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:35,688 INFO L225 Difference]: With dead ends: 1555 [2024-11-22 22:24:35,689 INFO L226 Difference]: Without dead ends: 1551 [2024-11-22 22:24:35,690 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:24:35,690 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 146 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 710 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:35,690 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 261 Invalid, 734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 710 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:24:35,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1551 states. [2024-11-22 22:24:35,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1551 to 1374. [2024-11-22 22:24:35,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1374 states, 1205 states have (on average 1.3618257261410789) internal successors, (1641), 1236 states have internal predecessors, (1641), 135 states have call successors, (135), 2 states have call predecessors, (135), 2 states have return successors, (135), 135 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-22 22:24:35,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 1374 states and 1911 transitions. [2024-11-22 22:24:35,803 INFO L78 Accepts]: Start accepts. Automaton has 1374 states and 1911 transitions. Word has length 99 [2024-11-22 22:24:35,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:35,803 INFO L471 AbstractCegarLoop]: Abstraction has 1374 states and 1911 transitions. [2024-11-22 22:24:35,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-22 22:24:35,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1374 states and 1911 transitions. [2024-11-22 22:24:35,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-22 22:24:35,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:35,804 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:35,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:36,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-22 22:24:36,004 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:36,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:36,005 INFO L85 PathProgramCache]: Analyzing trace with hash -457426477, now seen corresponding path program 1 times [2024-11-22 22:24:36,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:36,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873203806] [2024-11-22 22:24:36,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:36,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:36,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:36,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1069431230] [2024-11-22 22:24:36,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:36,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:36,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:36,034 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:36,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-22 22:24:36,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:36,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-22 22:24:36,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:36,476 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-22 22:24:36,476 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:36,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:36,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873203806] [2024-11-22 22:24:36,644 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:36,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069431230] [2024-11-22 22:24:36,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1069431230] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:36,644 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:36,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-22 22:24:36,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961520357] [2024-11-22 22:24:36,645 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:36,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 22:24:36,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:36,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 22:24:36,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:24:36,646 INFO L87 Difference]: Start difference. First operand 1374 states and 1911 transitions. Second operand has 13 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-22 22:24:37,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:37,256 INFO L93 Difference]: Finished difference Result 1433 states and 1983 transitions. [2024-11-22 22:24:37,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:24:37,257 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 100 [2024-11-22 22:24:37,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:37,262 INFO L225 Difference]: With dead ends: 1433 [2024-11-22 22:24:37,262 INFO L226 Difference]: Without dead ends: 1431 [2024-11-22 22:24:37,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=153, Invalid=353, Unknown=0, NotChecked=0, Total=506 [2024-11-22 22:24:37,263 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 404 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 792 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:37,263 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 264 Invalid, 826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 792 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:24:37,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1431 states. [2024-11-22 22:24:37,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1431 to 1384. [2024-11-22 22:24:37,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1384 states, 1214 states have (on average 1.3607907742998353) internal successors, (1652), 1245 states have internal predecessors, (1652), 136 states have call successors, (136), 2 states have call predecessors, (136), 2 states have return successors, (136), 136 states have call predecessors, (136), 136 states have call successors, (136) [2024-11-22 22:24:37,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1384 states and 1924 transitions. [2024-11-22 22:24:37,362 INFO L78 Accepts]: Start accepts. Automaton has 1384 states and 1924 transitions. Word has length 100 [2024-11-22 22:24:37,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:37,363 INFO L471 AbstractCegarLoop]: Abstraction has 1384 states and 1924 transitions. [2024-11-22 22:24:37,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-22 22:24:37,363 INFO L276 IsEmpty]: Start isEmpty. Operand 1384 states and 1924 transitions. [2024-11-22 22:24:37,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-22 22:24:37,364 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:37,364 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:37,371 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:37,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:37,569 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:37,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:37,570 INFO L85 PathProgramCache]: Analyzing trace with hash -377001901, now seen corresponding path program 2 times [2024-11-22 22:24:37,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:37,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283165628] [2024-11-22 22:24:37,570 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:24:37,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:37,588 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:24:37,588 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:24:37,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [404331677] [2024-11-22 22:24:37,589 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:24:37,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:37,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:37,594 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:37,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-22 22:24:37,645 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:24:37,645 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:24:37,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-22 22:24:37,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:37,963 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:24:37,963 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:38,462 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:24:38,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:38,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283165628] [2024-11-22 22:24:38,463 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:38,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404331677] [2024-11-22 22:24:38,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [404331677] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:38,463 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:24:38,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-22 22:24:38,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904309668] [2024-11-22 22:24:38,464 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:38,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 22:24:38,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:38,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 22:24:38,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:24:38,465 INFO L87 Difference]: Start difference. First operand 1384 states and 1924 transitions. Second operand has 10 states, 9 states have (on average 13.777777777777779) internal successors, (124), 10 states have internal predecessors, (124), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-22 22:24:40,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:40,731 INFO L93 Difference]: Finished difference Result 1505 states and 2072 transitions. [2024-11-22 22:24:40,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:24:40,731 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.777777777777779) internal successors, (124), 10 states have internal predecessors, (124), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 100 [2024-11-22 22:24:40,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:40,736 INFO L225 Difference]: With dead ends: 1505 [2024-11-22 22:24:40,736 INFO L226 Difference]: Without dead ends: 1502 [2024-11-22 22:24:40,737 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2024-11-22 22:24:40,737 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 581 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 1136 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 593 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 1201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 1136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:40,737 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [593 Valid, 451 Invalid, 1201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 1136 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-22 22:24:40,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1502 states. [2024-11-22 22:24:40,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1502 to 1382. [2024-11-22 22:24:40,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1382 states, 1214 states have (on average 1.3533772652388798) internal successors, (1643), 1244 states have internal predecessors, (1643), 135 states have call successors, (135), 2 states have call predecessors, (135), 2 states have return successors, (135), 135 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-22 22:24:40,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1382 states and 1913 transitions. [2024-11-22 22:24:40,840 INFO L78 Accepts]: Start accepts. Automaton has 1382 states and 1913 transitions. Word has length 100 [2024-11-22 22:24:40,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:40,840 INFO L471 AbstractCegarLoop]: Abstraction has 1382 states and 1913 transitions. [2024-11-22 22:24:40,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.777777777777779) internal successors, (124), 10 states have internal predecessors, (124), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-22 22:24:40,841 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 1913 transitions. [2024-11-22 22:24:40,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-22 22:24:40,842 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:40,842 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:40,850 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:41,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:41,047 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:41,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:41,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1500178603, now seen corresponding path program 1 times [2024-11-22 22:24:41,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:41,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789167992] [2024-11-22 22:24:41,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:41,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:41,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:41,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1952037069] [2024-11-22 22:24:41,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:41,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:41,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:41,068 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:41,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-22 22:24:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:41,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-22 22:24:41,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:41,395 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:24:41,395 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:42,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:42,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789167992] [2024-11-22 22:24:42,849 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:42,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1952037069] [2024-11-22 22:24:42,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1952037069] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:42,849 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:42,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-22 22:24:42,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543941546] [2024-11-22 22:24:42,849 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:42,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:24:42,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:42,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:24:42,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=24, Unknown=1, NotChecked=0, Total=42 [2024-11-22 22:24:42,850 INFO L87 Difference]: Start difference. First operand 1382 states and 1913 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-22 22:24:43,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:43,260 INFO L93 Difference]: Finished difference Result 1427 states and 1967 transitions. [2024-11-22 22:24:43,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:24:43,261 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 102 [2024-11-22 22:24:43,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:43,265 INFO L225 Difference]: With dead ends: 1427 [2024-11-22 22:24:43,265 INFO L226 Difference]: Without dead ends: 1425 [2024-11-22 22:24:43,266 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=17, Invalid=24, Unknown=1, NotChecked=0, Total=42 [2024-11-22 22:24:43,267 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 119 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:43,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 199 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:24:43,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1425 states. [2024-11-22 22:24:43,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1425 to 1390. [2024-11-22 22:24:43,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1390 states, 1221 states have (on average 1.352170352170352) internal successors, (1651), 1251 states have internal predecessors, (1651), 136 states have call successors, (136), 2 states have call predecessors, (136), 2 states have return successors, (136), 136 states have call predecessors, (136), 136 states have call successors, (136) [2024-11-22 22:24:43,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 1390 states and 1923 transitions. [2024-11-22 22:24:43,385 INFO L78 Accepts]: Start accepts. Automaton has 1390 states and 1923 transitions. Word has length 102 [2024-11-22 22:24:43,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:43,385 INFO L471 AbstractCegarLoop]: Abstraction has 1390 states and 1923 transitions. [2024-11-22 22:24:43,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-22 22:24:43,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1390 states and 1923 transitions. [2024-11-22 22:24:43,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-22 22:24:43,387 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:43,387 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:43,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:43,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2024-11-22 22:24:43,593 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:43,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:43,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1521572395, now seen corresponding path program 2 times [2024-11-22 22:24:43,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:43,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291904218] [2024-11-22 22:24:43,594 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:24:43,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:43,611 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:24:43,612 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:24:43,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1239733596] [2024-11-22 22:24:43,613 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:24:43,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:43,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:43,618 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:43,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-22 22:24:43,671 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:24:43,671 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:24:43,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-22 22:24:43,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:44,048 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:24:44,048 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:44,529 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:24:44,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:44,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291904218] [2024-11-22 22:24:44,529 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:44,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239733596] [2024-11-22 22:24:44,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1239733596] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:44,530 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:24:44,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2024-11-22 22:24:44,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624030771] [2024-11-22 22:24:44,530 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:44,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 22:24:44,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:44,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 22:24:44,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:24:44,532 INFO L87 Difference]: Start difference. First operand 1390 states and 1923 transitions. Second operand has 9 states, 8 states have (on average 16.0) internal successors, (128), 9 states have internal predecessors, (128), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-22 22:24:47,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:47,248 INFO L93 Difference]: Finished difference Result 1473 states and 2024 transitions. [2024-11-22 22:24:47,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 22:24:47,248 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 16.0) internal successors, (128), 9 states have internal predecessors, (128), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 102 [2024-11-22 22:24:47,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:47,251 INFO L225 Difference]: With dead ends: 1473 [2024-11-22 22:24:47,251 INFO L226 Difference]: Without dead ends: 1471 [2024-11-22 22:24:47,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:24:47,252 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 331 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 1012 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 1054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:47,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 415 Invalid, 1054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1012 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-22 22:24:47,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1471 states. [2024-11-22 22:24:47,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1471 to 1383. [2024-11-22 22:24:47,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1383 states, 1216 states have (on average 1.347861842105263) internal successors, (1639), 1245 states have internal predecessors, (1639), 135 states have call successors, (135), 2 states have call predecessors, (135), 2 states have return successors, (135), 135 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-22 22:24:47,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 1383 states and 1909 transitions. [2024-11-22 22:24:47,338 INFO L78 Accepts]: Start accepts. Automaton has 1383 states and 1909 transitions. Word has length 102 [2024-11-22 22:24:47,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:47,338 INFO L471 AbstractCegarLoop]: Abstraction has 1383 states and 1909 transitions. [2024-11-22 22:24:47,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 16.0) internal successors, (128), 9 states have internal predecessors, (128), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-22 22:24:47,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 1909 transitions. [2024-11-22 22:24:47,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-22 22:24:47,339 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:47,339 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:47,347 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2024-11-22 22:24:47,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-11-22 22:24:47,540 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:47,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:47,540 INFO L85 PathProgramCache]: Analyzing trace with hash 739103617, now seen corresponding path program 1 times [2024-11-22 22:24:47,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:47,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715786390] [2024-11-22 22:24:47,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:47,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:47,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1284553496] [2024-11-22 22:24:47,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:47,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:47,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:47,557 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:47,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-22 22:24:47,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:47,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-22 22:24:47,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:47,953 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:24:47,953 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:48,093 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-22 22:24:48,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:48,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715786390] [2024-11-22 22:24:48,094 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:48,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1284553496] [2024-11-22 22:24:48,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1284553496] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:48,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:48,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-22 22:24:48,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438874572] [2024-11-22 22:24:48,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:24:48,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:24:48,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:48,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:24:48,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:24:48,095 INFO L87 Difference]: Start difference. First operand 1383 states and 1909 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:24:48,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:48,568 INFO L93 Difference]: Finished difference Result 1383 states and 1909 transitions. [2024-11-22 22:24:48,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:24:48,569 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 103 [2024-11-22 22:24:48,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:48,572 INFO L225 Difference]: With dead ends: 1383 [2024-11-22 22:24:48,572 INFO L226 Difference]: Without dead ends: 1382 [2024-11-22 22:24:48,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 195 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:24:48,573 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 84 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:48,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 115 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:24:48,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1382 states. [2024-11-22 22:24:48,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1382 to 1382. [2024-11-22 22:24:48,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1382 states, 1216 states have (on average 1.324013157894737) internal successors, (1610), 1244 states have internal predecessors, (1610), 135 states have call successors, (135), 2 states have call predecessors, (135), 2 states have return successors, (135), 135 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-22 22:24:48,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1382 states and 1880 transitions. [2024-11-22 22:24:48,699 INFO L78 Accepts]: Start accepts. Automaton has 1382 states and 1880 transitions. Word has length 103 [2024-11-22 22:24:48,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:48,699 INFO L471 AbstractCegarLoop]: Abstraction has 1382 states and 1880 transitions. [2024-11-22 22:24:48,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:24:48,700 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 1880 transitions. [2024-11-22 22:24:48,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-22 22:24:48,701 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:48,701 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2024-11-22 22:24:48,709 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:48,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-11-22 22:24:48,901 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:48,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:48,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1311038225, now seen corresponding path program 1 times [2024-11-22 22:24:48,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:48,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195755170] [2024-11-22 22:24:48,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:48,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:48,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:49,000 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-22 22:24:49,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:49,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195755170] [2024-11-22 22:24:49,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195755170] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:49,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554787876] [2024-11-22 22:24:49,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:49,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:49,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:49,004 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:49,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-22 22:24:49,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:49,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 22:24:49,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:49,099 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-22 22:24:49,099 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:49,200 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-22 22:24:49,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [554787876] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:49,200 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:24:49,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-22 22:24:49,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839454497] [2024-11-22 22:24:49,200 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:49,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 22:24:49,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:49,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 22:24:49,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:24:49,201 INFO L87 Difference]: Start difference. First operand 1382 states and 1880 transitions. Second operand has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 10 states have internal predecessors, (80), 6 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) [2024-11-22 22:24:49,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:49,880 INFO L93 Difference]: Finished difference Result 1384 states and 1882 transitions. [2024-11-22 22:24:49,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:24:49,881 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 10 states have internal predecessors, (80), 6 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) Word has length 104 [2024-11-22 22:24:49,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:49,883 INFO L225 Difference]: With dead ends: 1384 [2024-11-22 22:24:49,883 INFO L226 Difference]: Without dead ends: 1383 [2024-11-22 22:24:49,884 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:24:49,884 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 119 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:49,884 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 117 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-22 22:24:49,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1383 states. [2024-11-22 22:24:50,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1383 to 1381. [2024-11-22 22:24:50,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1381 states, 1216 states have (on average 1.3207236842105263) internal successors, (1606), 1243 states have internal predecessors, (1606), 135 states have call successors, (135), 2 states have call predecessors, (135), 2 states have return successors, (135), 135 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-22 22:24:50,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 1381 states and 1876 transitions. [2024-11-22 22:24:50,021 INFO L78 Accepts]: Start accepts. Automaton has 1381 states and 1876 transitions. Word has length 104 [2024-11-22 22:24:50,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:50,021 INFO L471 AbstractCegarLoop]: Abstraction has 1381 states and 1876 transitions. [2024-11-22 22:24:50,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 10 states have internal predecessors, (80), 6 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) [2024-11-22 22:24:50,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 1876 transitions. [2024-11-22 22:24:50,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-22 22:24:50,023 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:50,023 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:50,032 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:50,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-22 22:24:50,223 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:50,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:50,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1437375703, now seen corresponding path program 1 times [2024-11-22 22:24:50,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:50,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902993529] [2024-11-22 22:24:50,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:50,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:50,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:50,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1556930551] [2024-11-22 22:24:50,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:50,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:50,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:50,241 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:50,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-22 22:24:50,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:50,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-22 22:24:50,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:50,645 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:24:50,646 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:50,902 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-11-22 22:24:50,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:50,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902993529] [2024-11-22 22:24:50,903 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:50,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1556930551] [2024-11-22 22:24:50,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1556930551] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:50,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:50,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-22 22:24:50,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158626401] [2024-11-22 22:24:50,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:24:50,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:24:50,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:50,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:24:50,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:24:50,904 INFO L87 Difference]: Start difference. First operand 1381 states and 1876 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:24:52,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:52,186 INFO L93 Difference]: Finished difference Result 1381 states and 1876 transitions. [2024-11-22 22:24:52,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:24:52,187 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 104 [2024-11-22 22:24:52,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:52,190 INFO L225 Difference]: With dead ends: 1381 [2024-11-22 22:24:52,190 INFO L226 Difference]: Without dead ends: 1378 [2024-11-22 22:24:52,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 197 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:24:52,192 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 84 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:52,192 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 115 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-22 22:24:52,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1378 states. [2024-11-22 22:24:52,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1378 to 1378. [2024-11-22 22:24:52,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1378 states, 1216 states have (on average 1.2919407894736843) internal successors, (1571), 1240 states have internal predecessors, (1571), 135 states have call successors, (135), 2 states have call predecessors, (135), 2 states have return successors, (135), 135 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-22 22:24:52,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1378 states and 1841 transitions. [2024-11-22 22:24:52,320 INFO L78 Accepts]: Start accepts. Automaton has 1378 states and 1841 transitions. Word has length 104 [2024-11-22 22:24:52,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:52,320 INFO L471 AbstractCegarLoop]: Abstraction has 1378 states and 1841 transitions. [2024-11-22 22:24:52,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:24:52,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 1841 transitions. [2024-11-22 22:24:52,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-22 22:24:52,321 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:52,321 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2024-11-22 22:24:52,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:52,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:52,522 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:52,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:52,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1987479453, now seen corresponding path program 1 times [2024-11-22 22:24:52,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:52,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542575677] [2024-11-22 22:24:52,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:52,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:52,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:52,596 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-22 22:24:52,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:52,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542575677] [2024-11-22 22:24:52,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542575677] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:24:52,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:24:52,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 22:24:52,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183500315] [2024-11-22 22:24:52,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:24:52,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:24:52,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:52,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:24:52,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:24:52,598 INFO L87 Difference]: Start difference. First operand 1378 states and 1841 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-22 22:24:53,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:53,328 INFO L93 Difference]: Finished difference Result 1403 states and 1862 transitions. [2024-11-22 22:24:53,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 22:24:53,329 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 105 [2024-11-22 22:24:53,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:53,331 INFO L225 Difference]: With dead ends: 1403 [2024-11-22 22:24:53,331 INFO L226 Difference]: Without dead ends: 1402 [2024-11-22 22:24:53,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:24:53,332 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 158 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:53,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 181 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-22 22:24:53,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1402 states. [2024-11-22 22:24:53,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1402 to 1366. [2024-11-22 22:24:53,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1366 states, 1206 states have (on average 1.291044776119403) internal successors, (1557), 1229 states have internal predecessors, (1557), 134 states have call successors, (134), 2 states have call predecessors, (134), 2 states have return successors, (134), 134 states have call predecessors, (134), 134 states have call successors, (134) [2024-11-22 22:24:53,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 1366 states and 1825 transitions. [2024-11-22 22:24:53,439 INFO L78 Accepts]: Start accepts. Automaton has 1366 states and 1825 transitions. Word has length 105 [2024-11-22 22:24:53,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:53,439 INFO L471 AbstractCegarLoop]: Abstraction has 1366 states and 1825 transitions. [2024-11-22 22:24:53,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-22 22:24:53,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1366 states and 1825 transitions. [2024-11-22 22:24:53,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-22 22:24:53,440 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:53,440 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:53,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-22 22:24:53,441 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:53,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:53,441 INFO L85 PathProgramCache]: Analyzing trace with hash 678765955, now seen corresponding path program 2 times [2024-11-22 22:24:53,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:53,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524596273] [2024-11-22 22:24:53,442 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:24:53,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:53,455 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:24:53,455 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:24:53,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1103200064] [2024-11-22 22:24:53,456 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:24:53,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:53,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:53,459 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:53,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-11-22 22:24:53,509 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:24:53,510 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:24:53,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-22 22:24:53,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:53,812 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-22 22:24:53,812 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:54,000 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-22 22:24:54,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:54,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524596273] [2024-11-22 22:24:54,000 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:54,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1103200064] [2024-11-22 22:24:54,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1103200064] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:54,001 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:24:54,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-22 22:24:54,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91109854] [2024-11-22 22:24:54,001 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:54,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 22:24:54,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:54,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 22:24:54,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:24:54,002 INFO L87 Difference]: Start difference. First operand 1366 states and 1825 transitions. Second operand has 10 states, 9 states have (on average 15.0) internal successors, (135), 10 states have internal predecessors, (135), 8 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 8 states have call predecessors, (18), 8 states have call successors, (18) [2024-11-22 22:24:55,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:55,265 INFO L93 Difference]: Finished difference Result 2127 states and 2771 transitions. [2024-11-22 22:24:55,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:24:55,266 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 15.0) internal successors, (135), 10 states have internal predecessors, (135), 8 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 8 states have call predecessors, (18), 8 states have call successors, (18) Word has length 110 [2024-11-22 22:24:55,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:55,270 INFO L225 Difference]: With dead ends: 2127 [2024-11-22 22:24:55,271 INFO L226 Difference]: Without dead ends: 2123 [2024-11-22 22:24:55,272 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2024-11-22 22:24:55,272 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 948 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 839 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 960 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:55,272 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [960 Valid, 632 Invalid, 921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 839 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-22 22:24:55,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states. [2024-11-22 22:24:55,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 1470. [2024-11-22 22:24:55,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1470 states, 1303 states have (on average 1.2739831158864159) internal successors, (1660), 1325 states have internal predecessors, (1660), 142 states have call successors, (142), 2 states have call predecessors, (142), 2 states have return successors, (142), 142 states have call predecessors, (142), 142 states have call successors, (142) [2024-11-22 22:24:55,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 1470 states and 1944 transitions. [2024-11-22 22:24:55,395 INFO L78 Accepts]: Start accepts. Automaton has 1470 states and 1944 transitions. Word has length 110 [2024-11-22 22:24:55,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:55,395 INFO L471 AbstractCegarLoop]: Abstraction has 1470 states and 1944 transitions. [2024-11-22 22:24:55,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 15.0) internal successors, (135), 10 states have internal predecessors, (135), 8 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 8 states have call predecessors, (18), 8 states have call successors, (18) [2024-11-22 22:24:55,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1470 states and 1944 transitions. [2024-11-22 22:24:55,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-22 22:24:55,397 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:55,397 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:55,405 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:55,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-11-22 22:24:55,598 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:55,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:55,598 INFO L85 PathProgramCache]: Analyzing trace with hash 538470858, now seen corresponding path program 1 times [2024-11-22 22:24:55,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:55,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979833836] [2024-11-22 22:24:55,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:55,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:55,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:55,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1889443577] [2024-11-22 22:24:55,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:55,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:55,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:55,621 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:55,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-11-22 22:24:55,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:55,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-22 22:24:55,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:56,133 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-22 22:24:56,134 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:56,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:56,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979833836] [2024-11-22 22:24:56,297 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:56,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889443577] [2024-11-22 22:24:56,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889443577] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:56,297 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:56,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-22 22:24:56,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130951486] [2024-11-22 22:24:56,297 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:56,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 22:24:56,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:56,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 22:24:56,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:24:56,298 INFO L87 Difference]: Start difference. First operand 1470 states and 1944 transitions. Second operand has 10 states, 9 states have (on average 8.222222222222221) internal successors, (74), 10 states have internal predecessors, (74), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-22 22:24:56,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:56,890 INFO L93 Difference]: Finished difference Result 1599 states and 2102 transitions. [2024-11-22 22:24:56,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 22:24:56,890 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.222222222222221) internal successors, (74), 10 states have internal predecessors, (74), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 113 [2024-11-22 22:24:56,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:56,894 INFO L225 Difference]: With dead ends: 1599 [2024-11-22 22:24:56,894 INFO L226 Difference]: Without dead ends: 1597 [2024-11-22 22:24:56,895 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:24:56,896 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 192 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 753 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:56,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 371 Invalid, 758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 753 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:24:56,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1597 states. [2024-11-22 22:24:57,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1597 to 1475. [2024-11-22 22:24:57,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1475 states, 1307 states have (on average 1.2716143840856924) internal successors, (1662), 1329 states have internal predecessors, (1662), 143 states have call successors, (143), 2 states have call predecessors, (143), 2 states have return successors, (143), 143 states have call predecessors, (143), 143 states have call successors, (143) [2024-11-22 22:24:57,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 1948 transitions. [2024-11-22 22:24:57,074 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 1948 transitions. Word has length 113 [2024-11-22 22:24:57,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:57,074 INFO L471 AbstractCegarLoop]: Abstraction has 1475 states and 1948 transitions. [2024-11-22 22:24:57,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.222222222222221) internal successors, (74), 10 states have internal predecessors, (74), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-22 22:24:57,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 1948 transitions. [2024-11-22 22:24:57,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-22 22:24:57,076 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:57,076 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:57,084 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:57,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-22 22:24:57,277 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:57,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:57,277 INFO L85 PathProgramCache]: Analyzing trace with hash -487272519, now seen corresponding path program 1 times [2024-11-22 22:24:57,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:57,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399247588] [2024-11-22 22:24:57,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:57,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:57,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1126329375] [2024-11-22 22:24:57,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:57,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:57,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:57,296 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:57,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-11-22 22:24:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:57,346 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-22 22:24:57,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:57,928 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 15 proven. 53 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-22 22:24:57,928 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:58,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:58,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399247588] [2024-11-22 22:24:58,087 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:58,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1126329375] [2024-11-22 22:24:58,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1126329375] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:58,088 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:58,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-22 22:24:58,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605183293] [2024-11-22 22:24:58,088 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:58,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:24:58,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:58,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:24:58,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:24:58,089 INFO L87 Difference]: Start difference. First operand 1475 states and 1948 transitions. Second operand has 11 states, 10 states have (on average 7.8) internal successors, (78), 11 states have internal predecessors, (78), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-22 22:24:59,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:59,166 INFO L93 Difference]: Finished difference Result 1598 states and 2099 transitions. [2024-11-22 22:24:59,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-22 22:24:59,167 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.8) internal successors, (78), 11 states have internal predecessors, (78), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) Word has length 114 [2024-11-22 22:24:59,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:59,169 INFO L225 Difference]: With dead ends: 1598 [2024-11-22 22:24:59,170 INFO L226 Difference]: Without dead ends: 1566 [2024-11-22 22:24:59,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2024-11-22 22:24:59,170 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 83 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 1799 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 1805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:59,171 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 392 Invalid, 1805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1799 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-22 22:24:59,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1566 states. [2024-11-22 22:24:59,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1566 to 1475. [2024-11-22 22:24:59,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1475 states, 1307 states have (on average 1.2700841622035195) internal successors, (1660), 1329 states have internal predecessors, (1660), 143 states have call successors, (143), 2 states have call predecessors, (143), 2 states have return successors, (143), 143 states have call predecessors, (143), 143 states have call successors, (143) [2024-11-22 22:24:59,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 1946 transitions. [2024-11-22 22:24:59,347 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 1946 transitions. Word has length 114 [2024-11-22 22:24:59,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:59,347 INFO L471 AbstractCegarLoop]: Abstraction has 1475 states and 1946 transitions. [2024-11-22 22:24:59,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.8) internal successors, (78), 11 states have internal predecessors, (78), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-22 22:24:59,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 1946 transitions. [2024-11-22 22:24:59,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-22 22:24:59,349 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:59,349 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:59,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:59,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable50 [2024-11-22 22:24:59,554 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:59,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:59,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1974627231, now seen corresponding path program 2 times [2024-11-22 22:24:59,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:59,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933718796] [2024-11-22 22:24:59,555 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:24:59,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:59,574 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:24:59,574 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:24:59,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1544131679] [2024-11-22 22:24:59,576 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:24:59,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:59,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:59,579 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:59,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2024-11-22 22:24:59,630 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:24:59,630 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:24:59,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-22 22:24:59,637 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:25:00,109 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 6 proven. 80 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-22 22:25:00,110 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:25:00,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:25:00,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933718796] [2024-11-22 22:25:00,194 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:25:00,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1544131679] [2024-11-22 22:25:00,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1544131679] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:25:00,194 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:25:00,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-22 22:25:00,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574597526] [2024-11-22 22:25:00,194 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:25:00,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 22:25:00,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:25:00,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 22:25:00,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:25:00,195 INFO L87 Difference]: Start difference. First operand 1475 states and 1946 transitions. Second operand has 12 states, 10 states have (on average 8.3) internal successors, (83), 11 states have internal predecessors, (83), 5 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-22 22:25:00,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:25:00,789 INFO L93 Difference]: Finished difference Result 1776 states and 2328 transitions. [2024-11-22 22:25:00,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-22 22:25:00,789 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 8.3) internal successors, (83), 11 states have internal predecessors, (83), 5 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 121 [2024-11-22 22:25:00,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:25:00,792 INFO L225 Difference]: With dead ends: 1776 [2024-11-22 22:25:00,792 INFO L226 Difference]: Without dead ends: 1743 [2024-11-22 22:25:00,792 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2024-11-22 22:25:00,793 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 415 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 689 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:25:00,793 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 227 Invalid, 717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 689 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:25:00,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1743 states. [2024-11-22 22:25:00,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1743 to 1631. [2024-11-22 22:25:00,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1631 states, 1449 states have (on average 1.2726017943409247) internal successors, (1844), 1471 states have internal predecessors, (1844), 157 states have call successors, (157), 2 states have call predecessors, (157), 2 states have return successors, (157), 157 states have call predecessors, (157), 157 states have call successors, (157) [2024-11-22 22:25:00,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1631 states to 1631 states and 2158 transitions. [2024-11-22 22:25:00,954 INFO L78 Accepts]: Start accepts. Automaton has 1631 states and 2158 transitions. Word has length 121 [2024-11-22 22:25:00,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:25:00,954 INFO L471 AbstractCegarLoop]: Abstraction has 1631 states and 2158 transitions. [2024-11-22 22:25:00,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 8.3) internal successors, (83), 11 states have internal predecessors, (83), 5 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-22 22:25:00,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1631 states and 2158 transitions. [2024-11-22 22:25:00,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-22 22:25:00,955 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:25:00,956 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:25:00,963 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Ended with exit code 0 [2024-11-22 22:25:01,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:25:01,160 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:25:01,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:25:01,160 INFO L85 PathProgramCache]: Analyzing trace with hash 195630425, now seen corresponding path program 1 times [2024-11-22 22:25:01,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:25:01,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087904319] [2024-11-22 22:25:01,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:01,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:25:01,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:25:01,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1240974406] [2024-11-22 22:25:01,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:01,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:25:01,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:25:01,178 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:25:01,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2024-11-22 22:25:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:25:01,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-22 22:25:01,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:25:01,716 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-22 22:25:01,716 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:25:01,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:25:01,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087904319] [2024-11-22 22:25:01,994 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:25:01,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1240974406] [2024-11-22 22:25:01,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1240974406] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:25:01,994 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:25:01,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-22 22:25:01,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312413811] [2024-11-22 22:25:01,994 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:25:01,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 22:25:01,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:25:01,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 22:25:01,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:25:01,995 INFO L87 Difference]: Start difference. First operand 1631 states and 2158 transitions. Second operand has 9 states, 8 states have (on average 10.0) internal successors, (80), 9 states have internal predecessors, (80), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-22 22:25:02,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:25:02,569 INFO L93 Difference]: Finished difference Result 1715 states and 2262 transitions. [2024-11-22 22:25:02,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 22:25:02,569 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.0) internal successors, (80), 9 states have internal predecessors, (80), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 124 [2024-11-22 22:25:02,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:25:02,573 INFO L225 Difference]: With dead ends: 1715 [2024-11-22 22:25:02,573 INFO L226 Difference]: Without dead ends: 1713 [2024-11-22 22:25:02,574 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:25:02,574 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 136 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 750 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:25:02,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 435 Invalid, 752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 750 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:25:02,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1713 states. [2024-11-22 22:25:02,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1713 to 1661. [2024-11-22 22:25:02,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1661 states, 1476 states have (on average 1.2730352303523036) internal successors, (1879), 1498 states have internal predecessors, (1879), 160 states have call successors, (160), 2 states have call predecessors, (160), 2 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2024-11-22 22:25:02,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1661 states to 1661 states and 2199 transitions. [2024-11-22 22:25:02,776 INFO L78 Accepts]: Start accepts. Automaton has 1661 states and 2199 transitions. Word has length 124 [2024-11-22 22:25:02,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:25:02,776 INFO L471 AbstractCegarLoop]: Abstraction has 1661 states and 2199 transitions. [2024-11-22 22:25:02,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.0) internal successors, (80), 9 states have internal predecessors, (80), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-22 22:25:02,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1661 states and 2199 transitions. [2024-11-22 22:25:02,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-22 22:25:02,777 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:25:02,777 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:25:02,786 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2024-11-22 22:25:02,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,48 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:25:02,983 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:25:02,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:25:02,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1769575959, now seen corresponding path program 1 times [2024-11-22 22:25:02,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:25:02,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118354253] [2024-11-22 22:25:02,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:02,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:25:02,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:25:03,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [484848826] [2024-11-22 22:25:03,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:03,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:25:03,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:25:03,007 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:25:03,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2024-11-22 22:25:03,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:25:03,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-22 22:25:03,063 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:25:03,434 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 24 proven. 40 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-22 22:25:03,434 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:25:03,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:25:03,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118354253] [2024-11-22 22:25:03,491 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:25:03,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [484848826] [2024-11-22 22:25:03,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [484848826] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:25:03,491 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:25:03,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-22 22:25:03,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130744523] [2024-11-22 22:25:03,491 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:25:03,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 22:25:03,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:25:03,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 22:25:03,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:25:03,492 INFO L87 Difference]: Start difference. First operand 1661 states and 2199 transitions. Second operand has 9 states, 8 states have (on average 10.125) internal successors, (81), 9 states have internal predecessors, (81), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-22 22:25:04,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:25:04,428 INFO L93 Difference]: Finished difference Result 2028 states and 2684 transitions. [2024-11-22 22:25:04,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-22 22:25:04,428 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.125) internal successors, (81), 9 states have internal predecessors, (81), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 125 [2024-11-22 22:25:04,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:25:04,432 INFO L225 Difference]: With dead ends: 2028 [2024-11-22 22:25:04,433 INFO L226 Difference]: Without dead ends: 2024 [2024-11-22 22:25:04,433 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-11-22 22:25:04,434 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 281 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 960 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-22 22:25:04,434 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 439 Invalid, 996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 960 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-22 22:25:04,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2024 states. [2024-11-22 22:25:04,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2024 to 1821. [2024-11-22 22:25:04,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1821 states, 1618 states have (on average 1.2713226205191595) internal successors, (2057), 1640 states have internal predecessors, (2057), 178 states have call successors, (178), 2 states have call predecessors, (178), 2 states have return successors, (178), 178 states have call predecessors, (178), 178 states have call successors, (178) [2024-11-22 22:25:04,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1821 states to 1821 states and 2413 transitions. [2024-11-22 22:25:04,672 INFO L78 Accepts]: Start accepts. Automaton has 1821 states and 2413 transitions. Word has length 125 [2024-11-22 22:25:04,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:25:04,673 INFO L471 AbstractCegarLoop]: Abstraction has 1821 states and 2413 transitions. [2024-11-22 22:25:04,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.125) internal successors, (81), 9 states have internal predecessors, (81), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-22 22:25:04,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1821 states and 2413 transitions. [2024-11-22 22:25:04,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-22 22:25:04,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:25:04,675 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:25:04,683 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Ended with exit code 0 [2024-11-22 22:25:04,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,49 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:25:04,876 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:25:04,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:25:04,877 INFO L85 PathProgramCache]: Analyzing trace with hash 12546351, now seen corresponding path program 1 times [2024-11-22 22:25:04,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:25:04,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572807315] [2024-11-22 22:25:04,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:04,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:25:04,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:25:05,011 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-22 22:25:05,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:25:05,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572807315] [2024-11-22 22:25:05,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572807315] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:25:05,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385660408] [2024-11-22 22:25:05,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:05,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:25:05,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:25:05,015 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:25:05,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2024-11-22 22:25:05,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:25:05,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:25:05,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:25:05,291 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-22 22:25:05,291 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:25:05,479 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-22 22:25:05,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385660408] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:25:05,481 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:25:05,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2024-11-22 22:25:05,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043382698] [2024-11-22 22:25:05,481 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:25:05,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-22 22:25:05,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:25:05,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-22 22:25:05,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-11-22 22:25:05,482 INFO L87 Difference]: Start difference. First operand 1821 states and 2413 transitions. Second operand has 15 states, 14 states have (on average 15.857142857142858) internal successors, (222), 15 states have internal predecessors, (222), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2024-11-22 22:25:06,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:25:06,408 INFO L93 Difference]: Finished difference Result 2317 states and 3061 transitions. [2024-11-22 22:25:06,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-22 22:25:06,409 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 15.857142857142858) internal successors, (222), 15 states have internal predecessors, (222), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) Word has length 135 [2024-11-22 22:25:06,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:25:06,413 INFO L225 Difference]: With dead ends: 2317 [2024-11-22 22:25:06,414 INFO L226 Difference]: Without dead ends: 2316 [2024-11-22 22:25:06,415 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=321, Invalid=801, Unknown=0, NotChecked=0, Total=1122 [2024-11-22 22:25:06,415 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 690 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 690 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:25:06,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [690 Valid, 749 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 22:25:06,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2316 states. [2024-11-22 22:25:06,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2316 to 2071. [2024-11-22 22:25:06,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2071 states, 1843 states have (on average 1.2788931090613131) internal successors, (2357), 1865 states have internal predecessors, (2357), 203 states have call successors, (203), 2 states have call predecessors, (203), 2 states have return successors, (203), 203 states have call predecessors, (203), 203 states have call successors, (203) [2024-11-22 22:25:06,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2071 states to 2071 states and 2763 transitions. [2024-11-22 22:25:06,618 INFO L78 Accepts]: Start accepts. Automaton has 2071 states and 2763 transitions. Word has length 135 [2024-11-22 22:25:06,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:25:06,618 INFO L471 AbstractCegarLoop]: Abstraction has 2071 states and 2763 transitions. [2024-11-22 22:25:06,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 15.857142857142858) internal successors, (222), 15 states have internal predecessors, (222), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2024-11-22 22:25:06,619 INFO L276 IsEmpty]: Start isEmpty. Operand 2071 states and 2763 transitions. [2024-11-22 22:25:06,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-22 22:25:06,620 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:25:06,620 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:25:06,627 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Forceful destruction successful, exit code 0 [2024-11-22 22:25:06,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2024-11-22 22:25:06,820 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:25:06,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:25:06,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1072909023, now seen corresponding path program 1 times [2024-11-22 22:25:06,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:25:06,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092265847] [2024-11-22 22:25:06,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:06,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:25:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:25:06,918 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-22 22:25:06,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:25:06,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092265847] [2024-11-22 22:25:06,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092265847] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:25:06,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1431955882] [2024-11-22 22:25:06,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:06,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:25:06,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:25:06,921 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:25:06,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2024-11-22 22:25:06,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:25:06,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:25:06,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:25:07,243 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-22 22:25:07,243 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:25:07,409 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-22 22:25:07,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1431955882] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:25:07,409 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:25:07,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-22 22:25:07,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439601843] [2024-11-22 22:25:07,409 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:25:07,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:25:07,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:25:07,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:25:07,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:25:07,410 INFO L87 Difference]: Start difference. First operand 2071 states and 2763 transitions. Second operand has 11 states, 10 states have (on average 24.8) internal successors, (248), 11 states have internal predecessors, (248), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2024-11-22 22:25:08,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:25:08,158 INFO L93 Difference]: Finished difference Result 2923 states and 3850 transitions. [2024-11-22 22:25:08,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:25:08,158 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 24.8) internal successors, (248), 11 states have internal predecessors, (248), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) Word has length 137 [2024-11-22 22:25:08,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:25:08,163 INFO L225 Difference]: With dead ends: 2923 [2024-11-22 22:25:08,164 INFO L226 Difference]: Without dead ends: 2921 [2024-11-22 22:25:08,164 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:25:08,165 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 323 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 688 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:25:08,165 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 528 Invalid, 718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 688 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:25:08,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2921 states. [2024-11-22 22:25:08,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2921 to 2455. [2024-11-22 22:25:08,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2455 states, 2193 states have (on average 1.277701778385773) internal successors, (2802), 2215 states have internal predecessors, (2802), 237 states have call successors, (237), 2 states have call predecessors, (237), 2 states have return successors, (237), 237 states have call predecessors, (237), 237 states have call successors, (237) [2024-11-22 22:25:08,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2455 states to 2455 states and 3276 transitions. [2024-11-22 22:25:08,478 INFO L78 Accepts]: Start accepts. Automaton has 2455 states and 3276 transitions. Word has length 137 [2024-11-22 22:25:08,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:25:08,478 INFO L471 AbstractCegarLoop]: Abstraction has 2455 states and 3276 transitions. [2024-11-22 22:25:08,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 24.8) internal successors, (248), 11 states have internal predecessors, (248), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2024-11-22 22:25:08,478 INFO L276 IsEmpty]: Start isEmpty. Operand 2455 states and 3276 transitions. [2024-11-22 22:25:08,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-22 22:25:08,479 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:25:08,479 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:25:08,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Forceful destruction successful, exit code 0 [2024-11-22 22:25:08,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2024-11-22 22:25:08,684 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:25:08,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:25:08,684 INFO L85 PathProgramCache]: Analyzing trace with hash -999723661, now seen corresponding path program 1 times [2024-11-22 22:25:08,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:25:08,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395193215] [2024-11-22 22:25:08,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:08,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:25:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:25:08,806 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-22 22:25:08,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:25:08,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395193215] [2024-11-22 22:25:08,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395193215] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:25:08,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [273123887] [2024-11-22 22:25:08,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:25:08,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:25:08,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:25:08,810 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:25:08,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2024-11-22 22:25:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:25:08,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:25:08,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:25:09,149 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-22 22:25:09,150 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:25:09,322 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-22 22:25:09,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [273123887] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:25:09,322 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:25:09,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-22 22:25:09,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144844779] [2024-11-22 22:25:09,322 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:25:09,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:25:09,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:25:09,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:25:09,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:25:09,324 INFO L87 Difference]: Start difference. First operand 2455 states and 3276 transitions. Second operand has 11 states, 10 states have (on average 25.4) internal successors, (254), 11 states have internal predecessors, (254), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29)