./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-tiling/revcpyswp2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-tiling/revcpyswp2.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 e5d836305a9654c4a87b407d535438bc329bb78fc0805b3b823600303a7df507 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:03:58,365 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:03:58,428 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 11:03:58,434 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:03:58,436 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:03:58,461 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:03:58,462 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:03:58,462 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:03:58,463 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:03:58,466 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:03:58,466 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:03:58,466 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:03:58,467 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:03:58,467 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:03:58,467 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:03:58,467 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:03:58,468 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:03:58,468 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 11:03:58,469 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:03:58,470 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 11:03:58,470 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:03:58,470 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:03:58,470 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:03:58,470 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:03:58,471 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:03:58,471 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:03:58,471 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:03:58,471 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 11:03:58,471 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:03:58,471 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:03:58,472 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:03:58,472 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:03:58,472 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:03:58,472 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:03:58,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:03:58,472 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:03:58,473 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:03:58,473 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:03:58,473 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:03:58,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:03:58,475 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:03:58,475 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:03:58,476 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:03:58,476 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:03:58,476 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5d836305a9654c4a87b407d535438bc329bb78fc0805b3b823600303a7df507 [2024-11-09 11:03:58,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:03:58,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:03:58,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:03:58,720 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:03:58,724 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:03:58,725 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-tiling/revcpyswp2.c [2024-11-09 11:04:00,137 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:04:00,407 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:04:00,407 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/revcpyswp2.c [2024-11-09 11:04:00,417 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76698de2d/82fc0a781c2c4ea7b03a82e2c8cf7b58/FLAG7569ff0f2 [2024-11-09 11:04:00,441 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76698de2d/82fc0a781c2c4ea7b03a82e2c8cf7b58 [2024-11-09 11:04:00,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:04:00,447 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:04:00,454 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:04:00,454 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:04:00,464 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:04:00,469 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:04:00" (1/1) ... [2024-11-09 11:04:00,470 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30ab71ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:00, skipping insertion in model container [2024-11-09 11:04:00,471 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:04:00" (1/1) ... [2024-11-09 11:04:00,492 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:04:00,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:04:00,779 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:04:00,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:04:00,832 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:04:00,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:00 WrapperNode [2024-11-09 11:04:00,837 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:04:00,837 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:04:00,838 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:04:00,838 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:04:00,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:00" (1/1) ... [2024-11-09 11:04:00,861 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:00" (1/1) ... [2024-11-09 11:04:00,891 INFO L138 Inliner]: procedures = 16, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 134 [2024-11-09 11:04:00,895 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:04:00,900 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:04:00,900 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:04:00,900 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:04:00,918 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:00" (1/1) ... [2024-11-09 11:04:00,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:00" (1/1) ... [2024-11-09 11:04:00,926 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:00" (1/1) ... [2024-11-09 11:04:00,952 INFO L175 MemorySlicer]: Split 18 memory accesses to 5 slices as follows [2, 6, 5, 3, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 8 writes are split as follows [0, 3, 3, 1, 1]. [2024-11-09 11:04:00,954 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:00" (1/1) ... [2024-11-09 11:04:00,954 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:00" (1/1) ... [2024-11-09 11:04:00,964 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:00" (1/1) ... [2024-11-09 11:04:00,969 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:00" (1/1) ... [2024-11-09 11:04:00,970 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:00" (1/1) ... [2024-11-09 11:04:00,971 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:00" (1/1) ... [2024-11-09 11:04:00,973 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:04:00,976 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:04:00,977 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:04:00,977 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:04:00,978 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:00" (1/1) ... [2024-11-09 11:04:00,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:04:01,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:04:01,036 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) [2024-11-09 11:04:01,039 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 [2024-11-09 11:04:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 11:04:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 11:04:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 11:04:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 11:04:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 11:04:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 11:04:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 11:04:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 11:04:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 11:04:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 11:04:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 11:04:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 11:04:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:04:01,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:04:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 11:04:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 11:04:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 11:04:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 11:04:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 11:04:01,143 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:04:01,145 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:04:01,316 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-11-09 11:04:01,316 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:04:01,326 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:04:01,327 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-09 11:04:01,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:04:01 BoogieIcfgContainer [2024-11-09 11:04:01,327 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:04:01,329 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:04:01,329 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:04:01,331 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:04:01,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:04:00" (1/3) ... [2024-11-09 11:04:01,332 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bf4d16e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:04:01, skipping insertion in model container [2024-11-09 11:04:01,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:04:00" (2/3) ... [2024-11-09 11:04:01,332 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bf4d16e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:04:01, skipping insertion in model container [2024-11-09 11:04:01,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:04:01" (3/3) ... [2024-11-09 11:04:01,333 INFO L112 eAbstractionObserver]: Analyzing ICFG revcpyswp2.c [2024-11-09 11:04:01,346 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:04:01,346 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-11-09 11:04:01,429 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:04:01,438 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;@6761a8d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:04:01,439 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-11-09 11:04:01,443 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 47 states have (on average 1.7234042553191489) internal successors, (81), 69 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:01,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 11:04:01,448 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:01,449 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 11:04:01,450 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 11:04:01,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:01,473 INFO L85 PathProgramCache]: Analyzing trace with hash 889512652, now seen corresponding path program 1 times [2024-11-09 11:04:01,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:01,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509559742] [2024-11-09 11:04:01,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:01,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:01,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:01,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:04:01,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:01,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509559742] [2024-11-09 11:04:01,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509559742] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:04:01,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:04:01,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:04:01,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725225322] [2024-11-09 11:04:01,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:04:01,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:04:01,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:01,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:04:01,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:04:01,803 INFO L87 Difference]: Start difference. First operand has 70 states, 47 states have (on average 1.7234042553191489) internal successors, (81), 69 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:01,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:01,928 INFO L93 Difference]: Finished difference Result 159 states and 201 transitions. [2024-11-09 11:04:01,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:04:01,931 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-09 11:04:01,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:01,937 INFO L225 Difference]: With dead ends: 159 [2024-11-09 11:04:01,937 INFO L226 Difference]: Without dead ends: 89 [2024-11-09 11:04:01,939 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:04:01,942 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 20 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:01,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 83 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:04:01,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-09 11:04:01,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 67. [2024-11-09 11:04:01,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 45 states have (on average 1.6) internal successors, (72), 66 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:01,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 72 transitions. [2024-11-09 11:04:01,969 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 72 transitions. Word has length 6 [2024-11-09 11:04:01,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:01,969 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 72 transitions. [2024-11-09 11:04:01,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:01,969 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions. [2024-11-09 11:04:01,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 11:04:01,970 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:01,970 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:04:01,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:04:01,970 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 11:04:01,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:01,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1805037039, now seen corresponding path program 1 times [2024-11-09 11:04:01,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:01,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718672141] [2024-11-09 11:04:01,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:01,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:02,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:04:02,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:02,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718672141] [2024-11-09 11:04:02,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718672141] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:04:02,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:04:02,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:04:02,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285796381] [2024-11-09 11:04:02,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:04:02,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:04:02,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:02,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:04:02,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:04:02,054 INFO L87 Difference]: Start difference. First operand 67 states and 72 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:02,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:02,139 INFO L93 Difference]: Finished difference Result 121 states and 129 transitions. [2024-11-09 11:04:02,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:04:02,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-09 11:04:02,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:02,140 INFO L225 Difference]: With dead ends: 121 [2024-11-09 11:04:02,140 INFO L226 Difference]: Without dead ends: 67 [2024-11-09 11:04:02,141 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:04:02,141 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 1 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:02,142 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 82 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:04:02,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-09 11:04:02,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-11-09 11:04:02,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 45 states have (on average 1.5777777777777777) internal successors, (71), 66 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:02,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 71 transitions. [2024-11-09 11:04:02,147 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 71 transitions. Word has length 7 [2024-11-09 11:04:02,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:02,147 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 71 transitions. [2024-11-09 11:04:02,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:02,148 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2024-11-09 11:04:02,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 11:04:02,148 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:02,148 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-11-09 11:04:02,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 11:04:02,149 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 11:04:02,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:02,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1894413816, now seen corresponding path program 1 times [2024-11-09 11:04:02,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:02,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144133866] [2024-11-09 11:04:02,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:02,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:02,252 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:04:02,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:02,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144133866] [2024-11-09 11:04:02,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144133866] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:04:02,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554078634] [2024-11-09 11:04:02,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:02,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:02,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:04:02,257 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) [2024-11-09 11:04:02,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 11:04:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:02,335 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:04:02,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:04:02,403 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:04:02,403 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:04:02,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1554078634] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:04:02,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:04:02,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-09 11:04:02,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253962779] [2024-11-09 11:04:02,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:04:02,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:04:02,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:02,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:04:02,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:04:02,407 INFO L87 Difference]: Start difference. First operand 67 states and 71 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:02,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:02,557 INFO L93 Difference]: Finished difference Result 89 states and 108 transitions. [2024-11-09 11:04:02,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:04:02,558 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-09 11:04:02,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:02,559 INFO L225 Difference]: With dead ends: 89 [2024-11-09 11:04:02,559 INFO L226 Difference]: Without dead ends: 88 [2024-11-09 11:04:02,559 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:04:02,560 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 19 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:02,560 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 103 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:04:02,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-09 11:04:02,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 66. [2024-11-09 11:04:02,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 45 states have (on average 1.5555555555555556) internal successors, (70), 65 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:02,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 70 transitions. [2024-11-09 11:04:02,565 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 70 transitions. Word has length 10 [2024-11-09 11:04:02,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:02,565 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 70 transitions. [2024-11-09 11:04:02,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:02,565 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2024-11-09 11:04:02,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 11:04:02,566 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:02,566 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:04:02,582 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 11:04:02,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:02,771 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 11:04:02,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:02,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1402662451, now seen corresponding path program 1 times [2024-11-09 11:04:02,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:02,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472556065] [2024-11-09 11:04:02,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:02,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:02,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:04:02,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:02,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472556065] [2024-11-09 11:04:02,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472556065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:04:02,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:04:02,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:04:02,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48247674] [2024-11-09 11:04:02,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:04:02,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:04:02,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:02,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:04:02,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:04:02,808 INFO L87 Difference]: Start difference. First operand 66 states and 70 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:02,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:02,855 INFO L93 Difference]: Finished difference Result 66 states and 70 transitions. [2024-11-09 11:04:02,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:04:02,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-09 11:04:02,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:02,856 INFO L225 Difference]: With dead ends: 66 [2024-11-09 11:04:02,856 INFO L226 Difference]: Without dead ends: 60 [2024-11-09 11:04:02,856 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 [2024-11-09 11:04:02,857 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 15 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:02,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 50 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:04:02,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-09 11:04:02,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-09 11:04:02,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 45 states have (on average 1.4222222222222223) internal successors, (64), 59 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:02,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 64 transitions. [2024-11-09 11:04:02,861 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 64 transitions. Word has length 11 [2024-11-09 11:04:02,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:02,861 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 64 transitions. [2024-11-09 11:04:02,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:02,862 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2024-11-09 11:04:02,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 11:04:02,862 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:02,862 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2024-11-09 11:04:02,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 11:04:02,863 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 11:04:02,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:02,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1402713897, now seen corresponding path program 1 times [2024-11-09 11:04:02,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:02,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095758425] [2024-11-09 11:04:02,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:02,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:02,931 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:04:02,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:02,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095758425] [2024-11-09 11:04:02,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095758425] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:04:02,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829057249] [2024-11-09 11:04:02,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:02,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:02,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:04:02,933 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) [2024-11-09 11:04:02,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 11:04:02,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:02,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:04:02,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:04:03,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:04:03,023 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:04:03,066 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:04:03,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829057249] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:04:03,068 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:04:03,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-09 11:04:03,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107629064] [2024-11-09 11:04:03,068 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:04:03,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:04:03,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:03,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:04:03,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:04:03,069 INFO L87 Difference]: Start difference. First operand 60 states and 64 transitions. Second operand has 12 states, 11 states have (on average 2.272727272727273) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:03,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:03,280 INFO L93 Difference]: Finished difference Result 95 states and 113 transitions. [2024-11-09 11:04:03,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:04:03,280 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.272727272727273) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-09 11:04:03,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:03,282 INFO L225 Difference]: With dead ends: 95 [2024-11-09 11:04:03,282 INFO L226 Difference]: Without dead ends: 94 [2024-11-09 11:04:03,282 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:04:03,283 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 36 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:03,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 130 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:04:03,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-09 11:04:03,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 72. [2024-11-09 11:04:03,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 57 states have (on average 1.3859649122807018) internal successors, (79), 71 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:03,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 79 transitions. [2024-11-09 11:04:03,298 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 79 transitions. Word has length 11 [2024-11-09 11:04:03,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:03,298 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 79 transitions. [2024-11-09 11:04:03,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.272727272727273) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:03,299 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 79 transitions. [2024-11-09 11:04:03,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 11:04:03,301 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:03,301 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:04:03,314 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 11:04:03,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:03,503 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 11:04:03,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:03,503 INFO L85 PathProgramCache]: Analyzing trace with hash 532863086, now seen corresponding path program 1 times [2024-11-09 11:04:03,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:03,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090566362] [2024-11-09 11:04:03,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:03,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:03,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:04:03,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:03,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090566362] [2024-11-09 11:04:03,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090566362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:04:03,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:04:03,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:04:03,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455235355] [2024-11-09 11:04:03,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:04:03,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:04:03,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:03,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:04:03,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:04:03,571 INFO L87 Difference]: Start difference. First operand 72 states and 79 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:03,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:03,677 INFO L93 Difference]: Finished difference Result 100 states and 110 transitions. [2024-11-09 11:04:03,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:04:03,677 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-09 11:04:03,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:03,681 INFO L225 Difference]: With dead ends: 100 [2024-11-09 11:04:03,682 INFO L226 Difference]: Without dead ends: 94 [2024-11-09 11:04:03,682 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:04:03,682 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 91 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:03,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 43 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:04:03,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-09 11:04:03,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 86. [2024-11-09 11:04:03,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 71 states have (on average 1.323943661971831) internal successors, (94), 85 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:03,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 94 transitions. [2024-11-09 11:04:03,691 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 94 transitions. Word has length 12 [2024-11-09 11:04:03,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:03,691 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 94 transitions. [2024-11-09 11:04:03,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:03,691 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 94 transitions. [2024-11-09 11:04:03,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 11:04:03,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:03,695 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:04:03,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 11:04:03,701 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 11:04:03,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:03,702 INFO L85 PathProgramCache]: Analyzing trace with hash 979217300, now seen corresponding path program 1 times [2024-11-09 11:04:03,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:03,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238927836] [2024-11-09 11:04:03,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:03,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:03,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:04:03,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:03,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238927836] [2024-11-09 11:04:03,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238927836] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:04:03,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:04:03,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:04:03,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761587296] [2024-11-09 11:04:03,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:04:03,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:04:03,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:03,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:04:03,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:04:03,756 INFO L87 Difference]: Start difference. First operand 86 states and 94 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:03,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:03,827 INFO L93 Difference]: Finished difference Result 128 states and 140 transitions. [2024-11-09 11:04:03,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:04:03,828 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-09 11:04:03,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:03,829 INFO L225 Difference]: With dead ends: 128 [2024-11-09 11:04:03,829 INFO L226 Difference]: Without dead ends: 94 [2024-11-09 11:04:03,829 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:04:03,830 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 92 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:03,830 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 44 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:04:03,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-09 11:04:03,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 88. [2024-11-09 11:04:03,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 73 states have (on average 1.3013698630136987) internal successors, (95), 87 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:03,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 95 transitions. [2024-11-09 11:04:03,835 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 95 transitions. Word has length 14 [2024-11-09 11:04:03,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:03,835 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 95 transitions. [2024-11-09 11:04:03,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:03,835 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 95 transitions. [2024-11-09 11:04:03,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 11:04:03,836 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:03,836 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:04:03,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 11:04:03,836 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 11:04:03,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:03,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1608561674, now seen corresponding path program 1 times [2024-11-09 11:04:03,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:03,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979888219] [2024-11-09 11:04:03,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:03,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:03,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:04:03,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:03,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979888219] [2024-11-09 11:04:03,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979888219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:04:03,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:04:03,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:04:03,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284198349] [2024-11-09 11:04:03,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:04:03,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:04:03,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:03,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:04:03,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:04:03,881 INFO L87 Difference]: Start difference. First operand 88 states and 95 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:03,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:03,942 INFO L93 Difference]: Finished difference Result 98 states and 105 transitions. [2024-11-09 11:04:03,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:04:03,943 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-09 11:04:03,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:03,943 INFO L225 Difference]: With dead ends: 98 [2024-11-09 11:04:03,943 INFO L226 Difference]: Without dead ends: 96 [2024-11-09 11:04:03,944 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:04:03,944 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 11 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:03,944 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 85 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:04:03,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-09 11:04:03,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 91. [2024-11-09 11:04:03,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 76 states have (on average 1.2894736842105263) internal successors, (98), 90 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:03,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 98 transitions. [2024-11-09 11:04:03,949 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 98 transitions. Word has length 20 [2024-11-09 11:04:03,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:03,950 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 98 transitions. [2024-11-09 11:04:03,950 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:03,950 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 98 transitions. [2024-11-09 11:04:03,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 11:04:03,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:03,951 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 1, 1, 1, 1] [2024-11-09 11:04:03,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 11:04:03,951 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 11:04:03,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:03,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1671556085, now seen corresponding path program 2 times [2024-11-09 11:04:03,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:03,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799729385] [2024-11-09 11:04:03,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:03,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:04,080 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:04:04,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:04,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799729385] [2024-11-09 11:04:04,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799729385] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:04:04,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1013839321] [2024-11-09 11:04:04,081 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:04:04,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:04,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:04:04,082 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) [2024-11-09 11:04:04,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 11:04:04,141 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 11:04:04,142 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:04:04,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:04:04,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:04:04,251 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 11:04:04,251 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:04:04,328 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 11:04:04,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1013839321] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:04:04,329 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:04:04,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 14 [2024-11-09 11:04:04,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403291586] [2024-11-09 11:04:04,329 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:04:04,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 11:04:04,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:04,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 11:04:04,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:04:04,330 INFO L87 Difference]: Start difference. First operand 91 states and 98 transitions. Second operand has 15 states, 14 states have (on average 2.357142857142857) internal successors, (33), 15 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:04,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:04,558 INFO L93 Difference]: Finished difference Result 101 states and 111 transitions. [2024-11-09 11:04:04,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 11:04:04,558 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.357142857142857) internal successors, (33), 15 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-11-09 11:04:04,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:04,559 INFO L225 Difference]: With dead ends: 101 [2024-11-09 11:04:04,559 INFO L226 Difference]: Without dead ends: 100 [2024-11-09 11:04:04,559 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 40 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=165, Invalid=537, Unknown=0, NotChecked=0, Total=702 [2024-11-09 11:04:04,560 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 147 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:04,560 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 138 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:04:04,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-09 11:04:04,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 75. [2024-11-09 11:04:04,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 61 states have (on average 1.2950819672131149) internal successors, (79), 74 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:04,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 79 transitions. [2024-11-09 11:04:04,564 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 79 transitions. Word has length 23 [2024-11-09 11:04:04,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:04,564 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 79 transitions. [2024-11-09 11:04:04,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.357142857142857) internal successors, (33), 15 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:04,564 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 79 transitions. [2024-11-09 11:04:04,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 11:04:04,565 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:04,565 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:04:04,578 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 11:04:04,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:04,767 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 11:04:04,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:04,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1489827678, now seen corresponding path program 1 times [2024-11-09 11:04:04,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:04,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367881905] [2024-11-09 11:04:04,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:04,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:04,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:04,818 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 11:04:04,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:04,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367881905] [2024-11-09 11:04:04,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367881905] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:04:04,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231786663] [2024-11-09 11:04:04,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:04,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:04,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:04:04,822 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) [2024-11-09 11:04:04,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 11:04:04,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:04,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:04:04,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:04:04,921 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 11:04:04,922 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:04:04,945 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 11:04:04,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1231786663] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:04:04,945 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:04:04,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-09 11:04:04,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185775593] [2024-11-09 11:04:04,946 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:04:04,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:04:04,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:04,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:04:04,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:04:04,946 INFO L87 Difference]: Start difference. First operand 75 states and 79 transitions. Second operand has 10 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:05,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:05,061 INFO L93 Difference]: Finished difference Result 147 states and 155 transitions. [2024-11-09 11:04:05,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:04:05,062 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2024-11-09 11:04:05,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:05,063 INFO L225 Difference]: With dead ends: 147 [2024-11-09 11:04:05,063 INFO L226 Difference]: Without dead ends: 80 [2024-11-09 11:04:05,063 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:04:05,063 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 16 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:05,064 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 117 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:04:05,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-09 11:04:05,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 79. [2024-11-09 11:04:05,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 78 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:05,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 83 transitions. [2024-11-09 11:04:05,067 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 83 transitions. Word has length 24 [2024-11-09 11:04:05,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:05,068 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 83 transitions. [2024-11-09 11:04:05,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:05,068 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 83 transitions. [2024-11-09 11:04:05,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 11:04:05,068 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:05,068 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] [2024-11-09 11:04:05,086 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 11:04:05,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:05,272 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 11:04:05,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:05,273 INFO L85 PathProgramCache]: Analyzing trace with hash -151594786, now seen corresponding path program 2 times [2024-11-09 11:04:05,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:05,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295834223] [2024-11-09 11:04:05,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:05,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:05,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:05,429 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:04:05,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:05,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295834223] [2024-11-09 11:04:05,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295834223] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:04:05,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [464833190] [2024-11-09 11:04:05,431 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:04:05,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:05,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:04:05,433 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) [2024-11-09 11:04:05,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 11:04:05,500 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:04:05,500 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:04:05,500 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:04:05,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:04:05,591 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 11:04:05,591 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:04:05,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [464833190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:04:05,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:04:05,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 14 [2024-11-09 11:04:05,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411640307] [2024-11-09 11:04:05,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:04:05,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:04:05,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:05,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:04:05,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:04:05,593 INFO L87 Difference]: Start difference. First operand 79 states and 83 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:05,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:05,682 INFO L93 Difference]: Finished difference Result 84 states and 88 transitions. [2024-11-09 11:04:05,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:04:05,682 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2024-11-09 11:04:05,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:05,683 INFO L225 Difference]: With dead ends: 84 [2024-11-09 11:04:05,683 INFO L226 Difference]: Without dead ends: 79 [2024-11-09 11:04:05,683 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:04:05,684 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 62 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:05,684 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 66 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:04:05,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-09 11:04:05,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 74. [2024-11-09 11:04:05,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 65 states have (on average 1.2) internal successors, (78), 73 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:05,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 78 transitions. [2024-11-09 11:04:05,687 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 78 transitions. Word has length 28 [2024-11-09 11:04:05,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:05,688 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 78 transitions. [2024-11-09 11:04:05,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:05,688 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 78 transitions. [2024-11-09 11:04:05,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 11:04:05,688 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:05,688 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:04:05,704 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 11:04:05,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-09 11:04:05,890 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 11:04:05,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:05,890 INFO L85 PathProgramCache]: Analyzing trace with hash 345198596, now seen corresponding path program 1 times [2024-11-09 11:04:05,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:05,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383145417] [2024-11-09 11:04:05,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:05,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:05,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:05,930 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-09 11:04:05,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:05,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383145417] [2024-11-09 11:04:05,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383145417] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:04:05,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:04:05,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:04:05,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339313528] [2024-11-09 11:04:05,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:04:05,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:04:05,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:05,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:04:05,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:04:05,932 INFO L87 Difference]: Start difference. First operand 74 states and 78 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:05,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:05,990 INFO L93 Difference]: Finished difference Result 83 states and 87 transitions. [2024-11-09 11:04:05,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:04:05,991 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2024-11-09 11:04:05,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:05,991 INFO L225 Difference]: With dead ends: 83 [2024-11-09 11:04:05,991 INFO L226 Difference]: Without dead ends: 81 [2024-11-09 11:04:05,991 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:04:05,992 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 19 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:05,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 71 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:04:05,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-09 11:04:05,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 77. [2024-11-09 11:04:05,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 68 states have (on average 1.1911764705882353) internal successors, (81), 76 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:05,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 81 transitions. [2024-11-09 11:04:05,995 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 81 transitions. Word has length 30 [2024-11-09 11:04:05,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:05,996 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 81 transitions. [2024-11-09 11:04:05,996 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:05,996 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2024-11-09 11:04:05,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 11:04:05,996 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:05,996 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] [2024-11-09 11:04:05,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 11:04:05,997 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 11:04:05,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:05,997 INFO L85 PathProgramCache]: Analyzing trace with hash -86833088, now seen corresponding path program 1 times [2024-11-09 11:04:05,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:05,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567495950] [2024-11-09 11:04:05,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:05,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:06,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:06,061 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 11:04:06,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:06,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567495950] [2024-11-09 11:04:06,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567495950] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:04:06,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [891611473] [2024-11-09 11:04:06,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:06,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:06,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:04:06,064 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) [2024-11-09 11:04:06,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 11:04:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:06,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:04:06,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:04:06,190 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 11:04:06,190 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:04:06,242 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 11:04:06,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [891611473] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:04:06,243 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:04:06,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-09 11:04:06,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565352562] [2024-11-09 11:04:06,243 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:04:06,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:04:06,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:06,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:04:06,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:04:06,244 INFO L87 Difference]: Start difference. First operand 77 states and 81 transitions. Second operand has 11 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:06,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:06,353 INFO L93 Difference]: Finished difference Result 130 states and 137 transitions. [2024-11-09 11:04:06,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:04:06,353 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2024-11-09 11:04:06,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:06,353 INFO L225 Difference]: With dead ends: 130 [2024-11-09 11:04:06,354 INFO L226 Difference]: Without dead ends: 91 [2024-11-09 11:04:06,354 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 60 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:04:06,354 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 129 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:06,355 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 81 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:04:06,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-09 11:04:06,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 78. [2024-11-09 11:04:06,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 69 states have (on average 1.1884057971014492) internal successors, (82), 77 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:06,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 82 transitions. [2024-11-09 11:04:06,357 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 82 transitions. Word has length 34 [2024-11-09 11:04:06,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:06,357 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 82 transitions. [2024-11-09 11:04:06,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:06,358 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 82 transitions. [2024-11-09 11:04:06,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 11:04:06,358 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:06,358 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:04:06,374 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 11:04:06,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:06,559 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 11:04:06,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:06,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1194832045, now seen corresponding path program 1 times [2024-11-09 11:04:06,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:06,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764236743] [2024-11-09 11:04:06,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:06,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:06,628 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 11:04:06,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:06,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764236743] [2024-11-09 11:04:06,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764236743] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:04:06,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1157269122] [2024-11-09 11:04:06,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:06,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:06,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:04:06,631 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) [2024-11-09 11:04:06,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 11:04:06,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:06,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:04:06,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:04:06,746 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 11:04:06,746 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:04:06,796 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 11:04:06,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1157269122] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:04:06,797 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:04:06,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-09 11:04:06,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293082086] [2024-11-09 11:04:06,797 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:04:06,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:04:06,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:06,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:04:06,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:04:06,798 INFO L87 Difference]: Start difference. First operand 78 states and 82 transitions. Second operand has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:06,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:06,937 INFO L93 Difference]: Finished difference Result 118 states and 126 transitions. [2024-11-09 11:04:06,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:04:06,937 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2024-11-09 11:04:06,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:06,938 INFO L225 Difference]: With dead ends: 118 [2024-11-09 11:04:06,938 INFO L226 Difference]: Without dead ends: 117 [2024-11-09 11:04:06,939 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:04:06,939 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 10 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:06,940 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 125 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:04:06,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-09 11:04:06,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 113. [2024-11-09 11:04:06,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 104 states have (on average 1.1442307692307692) internal successors, (119), 112 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:06,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 119 transitions. [2024-11-09 11:04:06,944 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 119 transitions. Word has length 37 [2024-11-09 11:04:06,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:06,944 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 119 transitions. [2024-11-09 11:04:06,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:06,944 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 119 transitions. [2024-11-09 11:04:06,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 11:04:06,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:06,945 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 11:04:06,962 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-09 11:04:07,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:07,146 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 11:04:07,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:07,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1072961908, now seen corresponding path program 2 times [2024-11-09 11:04:07,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:07,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177023702] [2024-11-09 11:04:07,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:07,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:07,224 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 11:04:07,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:07,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177023702] [2024-11-09 11:04:07,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177023702] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:04:07,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610775452] [2024-11-09 11:04:07,225 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:04:07,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:07,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:04:07,226 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) [2024-11-09 11:04:07,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 11:04:07,305 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:04:07,305 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:04:07,306 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:04:07,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:04:07,327 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 11:04:07,327 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:04:07,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [610775452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:04:07,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:04:07,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-09 11:04:07,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39658611] [2024-11-09 11:04:07,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:04:07,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:04:07,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:07,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:04:07,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:04:07,328 INFO L87 Difference]: Start difference. First operand 113 states and 119 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:07,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:07,385 INFO L93 Difference]: Finished difference Result 117 states and 123 transitions. [2024-11-09 11:04:07,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:04:07,385 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2024-11-09 11:04:07,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:07,386 INFO L225 Difference]: With dead ends: 117 [2024-11-09 11:04:07,386 INFO L226 Difference]: Without dead ends: 116 [2024-11-09 11:04:07,386 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:04:07,387 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 19 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:07,387 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 65 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:04:07,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-09 11:04:07,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 112. [2024-11-09 11:04:07,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 104 states have (on average 1.1346153846153846) internal successors, (118), 111 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:07,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 118 transitions. [2024-11-09 11:04:07,391 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 118 transitions. Word has length 46 [2024-11-09 11:04:07,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:07,392 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 118 transitions. [2024-11-09 11:04:07,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:07,392 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 118 transitions. [2024-11-09 11:04:07,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-09 11:04:07,392 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:07,392 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:04:07,405 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-09 11:04:07,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-09 11:04:07,597 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 11:04:07,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:07,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1097919119, now seen corresponding path program 1 times [2024-11-09 11:04:07,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:07,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798938718] [2024-11-09 11:04:07,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:07,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:07,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:07,719 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 11:04:07,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:07,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798938718] [2024-11-09 11:04:07,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798938718] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:04:07,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423827292] [2024-11-09 11:04:07,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:07,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:07,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:04:07,721 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) [2024-11-09 11:04:07,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 11:04:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:07,839 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:04:07,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:04:07,857 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 11:04:07,857 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:04:07,882 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 11:04:07,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [423827292] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:04:07,883 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:04:07,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-09 11:04:07,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608904828] [2024-11-09 11:04:07,883 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:04:07,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:04:07,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:07,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:04:07,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:04:07,884 INFO L87 Difference]: Start difference. First operand 112 states and 118 transitions. Second operand has 12 states, 11 states have (on average 4.090909090909091) internal successors, (45), 12 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:07,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:07,985 INFO L93 Difference]: Finished difference Result 129 states and 140 transitions. [2024-11-09 11:04:07,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:04:07,985 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.090909090909091) internal successors, (45), 12 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2024-11-09 11:04:07,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:07,986 INFO L225 Difference]: With dead ends: 129 [2024-11-09 11:04:07,986 INFO L226 Difference]: Without dead ends: 128 [2024-11-09 11:04:07,986 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:04:07,987 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 36 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:07,989 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 119 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:04:07,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-09 11:04:07,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 124. [2024-11-09 11:04:07,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 116 states have (on average 1.146551724137931) internal successors, (133), 123 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:07,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 133 transitions. [2024-11-09 11:04:07,994 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 133 transitions. Word has length 47 [2024-11-09 11:04:07,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:07,995 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 133 transitions. [2024-11-09 11:04:07,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.090909090909091) internal successors, (45), 12 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:07,995 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 133 transitions. [2024-11-09 11:04:07,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 11:04:07,996 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:07,996 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 11:04:08,015 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 11:04:08,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-09 11:04:08,202 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 11:04:08,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:08,202 INFO L85 PathProgramCache]: Analyzing trace with hash 322650970, now seen corresponding path program 1 times [2024-11-09 11:04:08,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:08,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265145808] [2024-11-09 11:04:08,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:08,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:08,253 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-09 11:04:08,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:08,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265145808] [2024-11-09 11:04:08,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265145808] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:04:08,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:04:08,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:04:08,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715760773] [2024-11-09 11:04:08,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:04:08,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:04:08,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:08,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:04:08,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:04:08,255 INFO L87 Difference]: Start difference. First operand 124 states and 133 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:08,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:08,313 INFO L93 Difference]: Finished difference Result 132 states and 141 transitions. [2024-11-09 11:04:08,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:04:08,313 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2024-11-09 11:04:08,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:08,314 INFO L225 Difference]: With dead ends: 132 [2024-11-09 11:04:08,314 INFO L226 Difference]: Without dead ends: 130 [2024-11-09 11:04:08,314 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:04:08,315 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 19 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:08,315 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 68 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:04:08,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-09 11:04:08,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 127. [2024-11-09 11:04:08,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 119 states have (on average 1.1428571428571428) internal successors, (136), 126 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:08,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 136 transitions. [2024-11-09 11:04:08,318 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 136 transitions. Word has length 48 [2024-11-09 11:04:08,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:08,318 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 136 transitions. [2024-11-09 11:04:08,318 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:08,318 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 136 transitions. [2024-11-09 11:04:08,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 11:04:08,319 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:08,319 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 11:04:08,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 11:04:08,319 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 11:04:08,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:08,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1290939114, now seen corresponding path program 1 times [2024-11-09 11:04:08,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:08,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86067397] [2024-11-09 11:04:08,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:08,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:08,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:08,420 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-09 11:04:08,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:08,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86067397] [2024-11-09 11:04:08,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86067397] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:04:08,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [602883643] [2024-11-09 11:04:08,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:08,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:08,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:04:08,424 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) [2024-11-09 11:04:08,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 11:04:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:08,515 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:04:08,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:04:08,581 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-09 11:04:08,581 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:04:08,636 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-09 11:04:08,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [602883643] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:04:08,637 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:04:08,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-09 11:04:08,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369643459] [2024-11-09 11:04:08,637 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:04:08,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:04:08,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:08,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:04:08,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:04:08,638 INFO L87 Difference]: Start difference. First operand 127 states and 136 transitions. Second operand has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:08,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:08,730 INFO L93 Difference]: Finished difference Result 161 states and 171 transitions. [2024-11-09 11:04:08,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:04:08,731 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2024-11-09 11:04:08,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:08,731 INFO L225 Difference]: With dead ends: 161 [2024-11-09 11:04:08,731 INFO L226 Difference]: Without dead ends: 130 [2024-11-09 11:04:08,732 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 96 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:04:08,732 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 100 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:08,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 66 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:04:08,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-09 11:04:08,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 127. [2024-11-09 11:04:08,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 119 states have (on average 1.134453781512605) internal successors, (135), 126 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:08,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 135 transitions. [2024-11-09 11:04:08,737 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 135 transitions. Word has length 52 [2024-11-09 11:04:08,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:08,738 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 135 transitions. [2024-11-09 11:04:08,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:08,738 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 135 transitions. [2024-11-09 11:04:08,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-09 11:04:08,739 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:08,739 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:04:08,752 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-09 11:04:08,939 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,SelfDestructingSolverStorable17 [2024-11-09 11:04:08,940 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 11:04:08,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:08,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1446954926, now seen corresponding path program 2 times [2024-11-09 11:04:08,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:08,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108944710] [2024-11-09 11:04:08,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:08,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:08,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:09,025 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 11:04:09,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:09,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108944710] [2024-11-09 11:04:09,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108944710] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:04:09,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [189705213] [2024-11-09 11:04:09,026 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:04:09,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:09,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:04:09,028 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) [2024-11-09 11:04:09,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 11:04:09,111 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:04:09,111 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:04:09,112 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:04:09,113 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:04:09,133 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 11:04:09,134 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:04:09,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [189705213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:04:09,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:04:09,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-09 11:04:09,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352717037] [2024-11-09 11:04:09,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:04:09,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:04:09,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:09,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:04:09,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:04:09,135 INFO L87 Difference]: Start difference. First operand 127 states and 135 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:09,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:09,191 INFO L93 Difference]: Finished difference Result 130 states and 138 transitions. [2024-11-09 11:04:09,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:04:09,191 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2024-11-09 11:04:09,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:09,192 INFO L225 Difference]: With dead ends: 130 [2024-11-09 11:04:09,192 INFO L226 Difference]: Without dead ends: 129 [2024-11-09 11:04:09,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:04:09,193 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 19 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:09,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 62 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:04:09,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-09 11:04:09,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 126. [2024-11-09 11:04:09,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 119 states have (on average 1.1260504201680672) internal successors, (134), 125 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:09,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 134 transitions. [2024-11-09 11:04:09,196 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 134 transitions. Word has length 56 [2024-11-09 11:04:09,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:09,196 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 134 transitions. [2024-11-09 11:04:09,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:09,196 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 134 transitions. [2024-11-09 11:04:09,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-09 11:04:09,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:09,197 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:04:09,210 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-09 11:04:09,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:09,398 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 11:04:09,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:09,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1905929627, now seen corresponding path program 1 times [2024-11-09 11:04:09,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:09,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200830278] [2024-11-09 11:04:09,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:09,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:09,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:09,459 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 11:04:09,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:09,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200830278] [2024-11-09 11:04:09,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200830278] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:04:09,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056782351] [2024-11-09 11:04:09,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:09,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:09,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:04:09,464 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) [2024-11-09 11:04:09,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 11:04:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:09,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:04:09,556 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:04:09,572 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 11:04:09,573 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:04:09,600 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 11:04:09,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056782351] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:04:09,600 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:04:09,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-09 11:04:09,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798585625] [2024-11-09 11:04:09,601 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:04:09,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:04:09,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:09,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:04:09,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:04:09,602 INFO L87 Difference]: Start difference. First operand 126 states and 134 transitions. Second operand has 12 states, 11 states have (on average 4.636363636363637) internal successors, (51), 12 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:09,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:09,705 INFO L93 Difference]: Finished difference Result 142 states and 155 transitions. [2024-11-09 11:04:09,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:04:09,705 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.636363636363637) internal successors, (51), 12 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2024-11-09 11:04:09,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:09,706 INFO L225 Difference]: With dead ends: 142 [2024-11-09 11:04:09,706 INFO L226 Difference]: Without dead ends: 141 [2024-11-09 11:04:09,706 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:04:09,706 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 54 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:09,707 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 151 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:04:09,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-09 11:04:09,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 138. [2024-11-09 11:04:09,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 131 states have (on average 1.1374045801526718) internal successors, (149), 137 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:09,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 149 transitions. [2024-11-09 11:04:09,710 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 149 transitions. Word has length 57 [2024-11-09 11:04:09,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:09,711 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 149 transitions. [2024-11-09 11:04:09,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.636363636363637) internal successors, (51), 12 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:09,711 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 149 transitions. [2024-11-09 11:04:09,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-09 11:04:09,711 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:09,711 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-09 11:04:09,724 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-09 11:04:09,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:09,915 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 11:04:09,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:09,916 INFO L85 PathProgramCache]: Analyzing trace with hash -354425539, now seen corresponding path program 2 times [2024-11-09 11:04:09,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:09,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396343893] [2024-11-09 11:04:09,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:09,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:10,027 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-09 11:04:10,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:10,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396343893] [2024-11-09 11:04:10,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396343893] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:04:10,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44841550] [2024-11-09 11:04:10,028 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:04:10,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:10,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:04:10,029 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) [2024-11-09 11:04:10,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 11:04:10,115 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 11:04:10,115 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:04:10,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:04:10,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:04:10,179 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:04:10,180 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:04:10,273 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:04:10,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [44841550] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:04:10,273 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:04:10,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2024-11-09 11:04:10,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398351258] [2024-11-09 11:04:10,274 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:04:10,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:04:10,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:10,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:04:10,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:04:10,275 INFO L87 Difference]: Start difference. First operand 138 states and 149 transitions. Second operand has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 12 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:10,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:10,545 INFO L93 Difference]: Finished difference Result 274 states and 297 transitions. [2024-11-09 11:04:10,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 11:04:10,549 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 12 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2024-11-09 11:04:10,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:10,550 INFO L225 Difference]: With dead ends: 274 [2024-11-09 11:04:10,550 INFO L226 Difference]: Without dead ends: 273 [2024-11-09 11:04:10,551 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 113 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=119, Invalid=433, Unknown=0, NotChecked=0, Total=552 [2024-11-09 11:04:10,551 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 183 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:10,551 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 88 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:04:10,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-11-09 11:04:10,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 126. [2024-11-09 11:04:10,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 120 states have (on average 1.125) internal successors, (135), 125 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:10,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 135 transitions. [2024-11-09 11:04:10,561 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 135 transitions. Word has length 59 [2024-11-09 11:04:10,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:10,561 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 135 transitions. [2024-11-09 11:04:10,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 12 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:10,565 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 135 transitions. [2024-11-09 11:04:10,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-09 11:04:10,566 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:10,566 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:04:10,591 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-09 11:04:10,767 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,SelfDestructingSolverStorable20 [2024-11-09 11:04:10,768 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 11:04:10,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:10,769 INFO L85 PathProgramCache]: Analyzing trace with hash 844023838, now seen corresponding path program 1 times [2024-11-09 11:04:10,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:10,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748069067] [2024-11-09 11:04:10,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:10,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:10,905 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-09 11:04:10,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:10,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748069067] [2024-11-09 11:04:10,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748069067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:04:10,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:04:10,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:04:10,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071206703] [2024-11-09 11:04:10,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:04:10,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:04:10,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:10,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:04:10,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:04:10,910 INFO L87 Difference]: Start difference. First operand 126 states and 135 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:11,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:11,009 INFO L93 Difference]: Finished difference Result 133 states and 142 transitions. [2024-11-09 11:04:11,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:04:11,013 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-11-09 11:04:11,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:11,014 INFO L225 Difference]: With dead ends: 133 [2024-11-09 11:04:11,014 INFO L226 Difference]: Without dead ends: 131 [2024-11-09 11:04:11,014 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:04:11,015 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 13 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:11,015 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 62 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:04:11,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-09 11:04:11,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2024-11-09 11:04:11,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 125 states have (on average 1.12) internal successors, (140), 130 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:11,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 140 transitions. [2024-11-09 11:04:11,023 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 140 transitions. Word has length 64 [2024-11-09 11:04:11,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:11,023 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 140 transitions. [2024-11-09 11:04:11,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:11,024 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 140 transitions. [2024-11-09 11:04:11,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-09 11:04:11,024 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:11,024 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:04:11,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-09 11:04:11,024 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 11:04:11,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:11,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1603956583, now seen corresponding path program 1 times [2024-11-09 11:04:11,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:11,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055681039] [2024-11-09 11:04:11,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:11,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:11,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:11,190 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-09 11:04:11,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:11,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055681039] [2024-11-09 11:04:11,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055681039] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:04:11,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006472033] [2024-11-09 11:04:11,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:11,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:11,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:04:11,191 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) [2024-11-09 11:04:11,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 11:04:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:11,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:04:11,294 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:04:11,410 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-09 11:04:11,410 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:04:11,530 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-09 11:04:11,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2006472033] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:04:11,531 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:04:11,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-09 11:04:11,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673806612] [2024-11-09 11:04:11,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:04:11,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:04:11,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:11,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:04:11,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:04:11,534 INFO L87 Difference]: Start difference. First operand 131 states and 140 transitions. Second operand has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:11,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:11,635 INFO L93 Difference]: Finished difference Result 156 states and 165 transitions. [2024-11-09 11:04:11,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:04:11,636 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-11-09 11:04:11,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:11,636 INFO L225 Difference]: With dead ends: 156 [2024-11-09 11:04:11,636 INFO L226 Difference]: Without dead ends: 131 [2024-11-09 11:04:11,637 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 128 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:04:11,637 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 74 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:11,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 68 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:04:11,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-09 11:04:11,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2024-11-09 11:04:11,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 125 states have (on average 1.112) internal successors, (139), 130 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:11,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 139 transitions. [2024-11-09 11:04:11,641 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 139 transitions. Word has length 68 [2024-11-09 11:04:11,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:11,641 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 139 transitions. [2024-11-09 11:04:11,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:11,641 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 139 transitions. [2024-11-09 11:04:11,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-09 11:04:11,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:11,641 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 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] [2024-11-09 11:04:11,654 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-09 11:04:11,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:11,842 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 11:04:11,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:11,842 INFO L85 PathProgramCache]: Analyzing trace with hash -106073679, now seen corresponding path program 2 times [2024-11-09 11:04:11,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:11,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433281138] [2024-11-09 11:04:11,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:11,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:12,062 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:04:12,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:12,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433281138] [2024-11-09 11:04:12,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433281138] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:04:12,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787374740] [2024-11-09 11:04:12,062 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:04:12,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:12,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:04:12,064 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) [2024-11-09 11:04:12,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-09 11:04:12,163 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 11:04:12,163 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:04:12,164 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:04:12,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:04:12,289 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-09 11:04:12,290 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:04:12,399 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-09 11:04:12,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1787374740] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:04:12,400 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:04:12,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2024-11-09 11:04:12,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034048659] [2024-11-09 11:04:12,400 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:04:12,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:04:12,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:12,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:04:12,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:04:12,401 INFO L87 Difference]: Start difference. First operand 131 states and 139 transitions. Second operand has 12 states, 11 states have (on average 7.0) internal successors, (77), 12 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:12,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:12,662 INFO L93 Difference]: Finished difference Result 254 states and 271 transitions. [2024-11-09 11:04:12,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 11:04:12,665 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 12 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2024-11-09 11:04:12,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:12,667 INFO L225 Difference]: With dead ends: 254 [2024-11-09 11:04:12,667 INFO L226 Difference]: Without dead ends: 253 [2024-11-09 11:04:12,667 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 133 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=433, Unknown=0, NotChecked=0, Total=552 [2024-11-09 11:04:12,668 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 190 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:12,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 98 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:04:12,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-11-09 11:04:12,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 119. [2024-11-09 11:04:12,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 114 states have (on average 1.0964912280701755) internal successors, (125), 118 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:12,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 125 transitions. [2024-11-09 11:04:12,674 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 125 transitions. Word has length 69 [2024-11-09 11:04:12,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:12,675 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 125 transitions. [2024-11-09 11:04:12,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 12 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:12,675 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 125 transitions. [2024-11-09 11:04:12,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 11:04:12,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:12,675 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:04:12,690 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-09 11:04:12,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:12,877 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 11:04:12,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:12,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1138428707, now seen corresponding path program 2 times [2024-11-09 11:04:12,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:12,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882046059] [2024-11-09 11:04:12,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:12,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:12,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:13,067 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 11:04:13,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:13,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882046059] [2024-11-09 11:04:13,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882046059] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:04:13,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1888392697] [2024-11-09 11:04:13,068 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:04:13,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:13,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:04:13,071 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) [2024-11-09 11:04:13,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-09 11:04:13,180 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:04:13,180 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:04:13,181 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:04:13,182 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:04:13,323 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 11:04:13,323 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:04:13,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1888392697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:04:13,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:04:13,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 14 [2024-11-09 11:04:13,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636614756] [2024-11-09 11:04:13,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:04:13,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:04:13,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:13,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:04:13,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:04:13,324 INFO L87 Difference]: Start difference. First operand 119 states and 125 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:13,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:13,407 INFO L93 Difference]: Finished difference Result 119 states and 125 transitions. [2024-11-09 11:04:13,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:04:13,407 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2024-11-09 11:04:13,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:13,408 INFO L225 Difference]: With dead ends: 119 [2024-11-09 11:04:13,408 INFO L226 Difference]: Without dead ends: 116 [2024-11-09 11:04:13,409 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:04:13,409 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 19 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:13,409 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 43 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:04:13,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-09 11:04:13,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-11-09 11:04:13,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 114 states have (on average 1.0701754385964912) internal successors, (122), 115 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:13,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 122 transitions. [2024-11-09 11:04:13,413 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 122 transitions. Word has length 72 [2024-11-09 11:04:13,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:13,413 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 122 transitions. [2024-11-09 11:04:13,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:13,413 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 122 transitions. [2024-11-09 11:04:13,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-09 11:04:13,415 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:13,416 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-09 11:04:13,429 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-09 11:04:13,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-09 11:04:13,616 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 11:04:13,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:13,617 INFO L85 PathProgramCache]: Analyzing trace with hash 2056671633, now seen corresponding path program 2 times [2024-11-09 11:04:13,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:13,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033319710] [2024-11-09 11:04:13,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:13,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:13,919 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 83 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:04:13,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:13,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033319710] [2024-11-09 11:04:13,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033319710] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:04:13,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1030595559] [2024-11-09 11:04:13,919 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:04:13,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:13,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:04:13,924 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) [2024-11-09 11:04:13,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-09 11:04:14,023 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 11:04:14,023 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:04:14,024 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:04:14,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:04:14,137 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-09 11:04:14,137 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:04:14,222 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-09 11:04:14,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1030595559] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:04:14,222 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:04:14,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 4, 4] total 20 [2024-11-09 11:04:14,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939777340] [2024-11-09 11:04:14,223 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:04:14,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-09 11:04:14,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:14,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-09 11:04:14,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2024-11-09 11:04:14,230 INFO L87 Difference]: Start difference. First operand 116 states and 122 transitions. Second operand has 20 states, 20 states have (on average 5.25) internal successors, (105), 20 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:14,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:14,545 INFO L93 Difference]: Finished difference Result 266 states and 281 transitions. [2024-11-09 11:04:14,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 11:04:14,546 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 5.25) internal successors, (105), 20 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2024-11-09 11:04:14,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:14,546 INFO L225 Difference]: With dead ends: 266 [2024-11-09 11:04:14,546 INFO L226 Difference]: Without dead ends: 188 [2024-11-09 11:04:14,547 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 141 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=146, Invalid=784, Unknown=0, NotChecked=0, Total=930 [2024-11-09 11:04:14,547 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 158 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:14,548 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 140 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:04:14,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-09 11:04:14,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 110. [2024-11-09 11:04:14,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 109 states have (on average 1.055045871559633) internal successors, (115), 109 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:14,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 115 transitions. [2024-11-09 11:04:14,551 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 115 transitions. Word has length 73 [2024-11-09 11:04:14,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:14,552 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 115 transitions. [2024-11-09 11:04:14,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.25) internal successors, (105), 20 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:14,552 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 115 transitions. [2024-11-09 11:04:14,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-09 11:04:14,552 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:14,552 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:04:14,579 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-09 11:04:14,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-09 11:04:14,753 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 11:04:14,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:14,753 INFO L85 PathProgramCache]: Analyzing trace with hash -447799373, now seen corresponding path program 1 times [2024-11-09 11:04:14,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:14,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068802106] [2024-11-09 11:04:14,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:14,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:14,817 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 11:04:14,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:14,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068802106] [2024-11-09 11:04:14,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068802106] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:04:14,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566797535] [2024-11-09 11:04:14,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:14,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:14,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:04:14,820 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) [2024-11-09 11:04:14,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-09 11:04:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:14,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:04:14,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:04:14,964 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 11:04:14,964 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:04:15,019 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 11:04:15,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1566797535] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:04:15,020 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:04:15,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-09 11:04:15,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486204164] [2024-11-09 11:04:15,020 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:04:15,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:04:15,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:15,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:04:15,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:04:15,021 INFO L87 Difference]: Start difference. First operand 110 states and 115 transitions. Second operand has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:15,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:15,119 INFO L93 Difference]: Finished difference Result 141 states and 148 transitions. [2024-11-09 11:04:15,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:04:15,120 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2024-11-09 11:04:15,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:15,120 INFO L225 Difference]: With dead ends: 141 [2024-11-09 11:04:15,120 INFO L226 Difference]: Without dead ends: 140 [2024-11-09 11:04:15,121 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:04:15,121 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 48 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:15,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 102 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:04:15,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-09 11:04:15,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2024-11-09 11:04:15,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 139 states have (on average 1.0431654676258992) internal successors, (145), 139 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:15,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 145 transitions. [2024-11-09 11:04:15,126 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 145 transitions. Word has length 79 [2024-11-09 11:04:15,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:15,126 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 145 transitions. [2024-11-09 11:04:15,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:15,126 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 145 transitions. [2024-11-09 11:04:15,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-09 11:04:15,127 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:04:15,127 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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] [2024-11-09 11:04:15,145 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-09 11:04:15,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-09 11:04:15,328 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 11:04:15,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:04:15,328 INFO L85 PathProgramCache]: Analyzing trace with hash 6682950, now seen corresponding path program 2 times [2024-11-09 11:04:15,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:04:15,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227367663] [2024-11-09 11:04:15,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:04:15,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:04:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:04:15,453 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-09 11:04:15,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:04:15,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227367663] [2024-11-09 11:04:15,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227367663] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:04:15,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395921472] [2024-11-09 11:04:15,454 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:04:15,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:15,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:04:15,456 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) [2024-11-09 11:04:15,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-09 11:04:15,562 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 11:04:15,563 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:04:15,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:04:15,564 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:04:15,665 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-09 11:04:15,666 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:04:15,765 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-09 11:04:15,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395921472] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:04:15,765 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:04:15,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2024-11-09 11:04:15,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321962012] [2024-11-09 11:04:15,765 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:04:15,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:04:15,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:04:15,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:04:15,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:04:15,767 INFO L87 Difference]: Start difference. First operand 140 states and 145 transitions. Second operand has 12 states, 11 states have (on average 10.272727272727273) internal successors, (113), 12 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:15,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:04:15,975 INFO L93 Difference]: Finished difference Result 212 states and 220 transitions. [2024-11-09 11:04:15,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 11:04:15,975 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.272727272727273) internal successors, (113), 12 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2024-11-09 11:04:15,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:04:15,975 INFO L225 Difference]: With dead ends: 212 [2024-11-09 11:04:15,975 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 11:04:15,976 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 213 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=119, Invalid=433, Unknown=0, NotChecked=0, Total=552 [2024-11-09 11:04:15,976 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 83 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:04:15,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 83 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:04:15,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 11:04:15,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 11:04:15,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:15,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 11:04:15,977 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 109 [2024-11-09 11:04:15,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:04:15,977 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 11:04:15,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 10.272727272727273) internal successors, (113), 12 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:04:15,977 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 11:04:15,977 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 11:04:15,979 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 22 remaining) [2024-11-09 11:04:15,980 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 22 remaining) [2024-11-09 11:04:15,980 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 22 remaining) [2024-11-09 11:04:15,980 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 22 remaining) [2024-11-09 11:04:15,980 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 22 remaining) [2024-11-09 11:04:15,980 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 22 remaining) [2024-11-09 11:04:15,980 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 22 remaining) [2024-11-09 11:04:15,980 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 22 remaining) [2024-11-09 11:04:15,981 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 22 remaining) [2024-11-09 11:04:15,981 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 22 remaining) [2024-11-09 11:04:15,981 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 22 remaining) [2024-11-09 11:04:15,981 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 22 remaining) [2024-11-09 11:04:15,981 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 22 remaining) [2024-11-09 11:04:15,981 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 22 remaining) [2024-11-09 11:04:15,981 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 22 remaining) [2024-11-09 11:04:15,981 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 22 remaining) [2024-11-09 11:04:15,981 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 22 remaining) [2024-11-09 11:04:15,981 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 22 remaining) [2024-11-09 11:04:15,982 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 22 remaining) [2024-11-09 11:04:15,982 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 22 remaining) [2024-11-09 11:04:15,982 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 22 remaining) [2024-11-09 11:04:15,982 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 22 remaining) [2024-11-09 11:04:15,994 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-09 11:04:16,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:04:16,185 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:04:16,187 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 11:04:16,698 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 11:04:16,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 11:04:16 BoogieIcfgContainer [2024-11-09 11:04:16,731 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 11:04:16,731 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 11:04:16,731 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 11:04:16,732 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 11:04:16,732 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:04:01" (3/4) ... [2024-11-09 11:04:16,734 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 11:04:16,747 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-09 11:04:16,752 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 11:04:16,752 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 11:04:16,753 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 11:04:16,861 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 11:04:16,861 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 11:04:16,861 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 11:04:16,861 INFO L158 Benchmark]: Toolchain (without parser) took 16417.43ms. Allocated memory was 163.6MB in the beginning and 287.3MB in the end (delta: 123.7MB). Free memory was 106.6MB in the beginning and 148.1MB in the end (delta: -41.4MB). Peak memory consumption was 85.1MB. Max. memory is 16.1GB. [2024-11-09 11:04:16,862 INFO L158 Benchmark]: CDTParser took 5.26ms. Allocated memory is still 163.6MB. Free memory is still 122.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 11:04:16,862 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.15ms. Allocated memory is still 163.6MB. Free memory was 106.6MB in the beginning and 93.7MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 11:04:16,862 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.56ms. Allocated memory is still 163.6MB. Free memory was 93.7MB in the beginning and 91.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 11:04:16,862 INFO L158 Benchmark]: Boogie Preprocessor took 76.18ms. Allocated memory is still 163.6MB. Free memory was 91.6MB in the beginning and 89.1MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 11:04:16,862 INFO L158 Benchmark]: RCFGBuilder took 350.72ms. Allocated memory is still 163.6MB. Free memory was 89.1MB in the beginning and 71.0MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 11:04:16,862 INFO L158 Benchmark]: TraceAbstraction took 15402.09ms. Allocated memory was 163.6MB in the beginning and 287.3MB in the end (delta: 123.7MB). Free memory was 70.2MB in the beginning and 153.3MB in the end (delta: -83.1MB). Peak memory consumption was 108.2MB. Max. memory is 16.1GB. [2024-11-09 11:04:16,862 INFO L158 Benchmark]: Witness Printer took 129.87ms. Allocated memory is still 287.3MB. Free memory was 153.3MB in the beginning and 148.1MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 11:04:16,863 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 5.26ms. Allocated memory is still 163.6MB. Free memory is still 122.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 383.15ms. Allocated memory is still 163.6MB. Free memory was 106.6MB in the beginning and 93.7MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.56ms. Allocated memory is still 163.6MB. Free memory was 93.7MB in the beginning and 91.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.18ms. Allocated memory is still 163.6MB. Free memory was 91.6MB in the beginning and 89.1MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 350.72ms. Allocated memory is still 163.6MB. Free memory was 89.1MB in the beginning and 71.0MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 15402.09ms. Allocated memory was 163.6MB in the beginning and 287.3MB in the end (delta: 123.7MB). Free memory was 70.2MB in the beginning and 153.3MB in the end (delta: -83.1MB). Peak memory consumption was 108.2MB. Max. memory is 16.1GB. * Witness Printer took 129.87ms. Allocated memory is still 287.3MB. Free memory was 153.3MB in the beginning and 148.1MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 70 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 14.8s, OverallIterations: 28, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1683 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1683 mSDsluCounter, 2433 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1682 mSDsCounter, 318 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4683 IncrementalHoareTripleChecker+Invalid, 5001 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 318 mSolverCounterUnsat, 751 mSDtfsCounter, 4683 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1890 GetRequests, 1600 SyntacticMatches, 20 SemanticMatches, 270 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 989 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=140occurred in iteration=27, InterpolantAutomatonStates: 217, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 28 MinimizatonAttempts, 516 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 2120 NumberOfCodeBlocks, 1856 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 2801 ConstructedInterpolants, 0 QuantifiedInterpolants, 7003 SizeOfPredicates, 10 NumberOfNonLiveVariables, 3141 ConjunctsInSsa, 88 ConjunctsInUnsatCore, 61 InterpolantComputations, 14 PerfectInterpolantSequences, 1553/2087 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 22 specifications checked. All of them hold - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: (((2 <= SIZE) && (0 <= (i + 2147483648))) && (SIZE <= 2147483647)) - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: ((((i == 0) && (2 <= SIZE)) && (SIZE <= 2147483647)) || (((1 <= i) && (2 <= SIZE)) && (SIZE <= 2147483647))) - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: ((((i == 0) && (2 <= SIZE)) && (SIZE <= 2147483647)) || (((1 <= i) && (2 <= SIZE)) && (SIZE <= 2147483647))) - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: (((2 <= SIZE) && (0 <= (i + 2147483648))) && (SIZE <= 2147483647)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((i == 0) && (2 <= SIZE)) && (SIZE <= 2147483647)) || (((1 <= i) && (2 <= SIZE)) && (SIZE <= 2147483647))) RESULT: Ultimate proved your program to be correct! [2024-11-09 11:04:16,900 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE