./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-multidimensional/rev-2-n-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-multidimensional/rev-2-n-u.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 bf03248da0b4b82491822f692d5527664b721dbcd28594bdb518a5eab7d5a1f3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 03:49:50,856 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 03:49:50,916 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 03:49:50,920 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 03:49:50,921 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 03:49:50,942 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 03:49:50,943 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 03:49:50,943 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 03:49:50,943 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 03:49:50,944 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 03:49:50,944 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 03:49:50,944 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 03:49:50,944 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 03:49:50,945 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 03:49:50,945 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 03:49:50,945 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 03:49:50,945 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 03:49:50,946 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 03:49:50,946 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 03:49:50,946 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 03:49:50,946 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 03:49:50,952 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 03:49:50,952 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 03:49:50,952 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 03:49:50,953 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 03:49:50,953 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 03:49:50,953 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 03:49:50,953 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 03:49:50,953 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 03:49:50,953 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 03:49:50,953 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 03:49:50,954 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 03:49:50,954 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 03:49:50,954 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 03:49:50,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:49:50,954 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 03:49:50,954 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 03:49:50,955 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 03:49:50,955 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 03:49:50,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 03:49:50,955 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 03:49:50,956 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 03:49:50,957 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 03:49:50,957 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 03:49:50,957 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf03248da0b4b82491822f692d5527664b721dbcd28594bdb518a5eab7d5a1f3 [2024-11-17 03:49:51,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 03:49:51,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 03:49:51,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 03:49:51,160 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 03:49:51,161 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 03:49:51,162 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-multidimensional/rev-2-n-u.c [2024-11-17 03:49:52,621 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 03:49:52,776 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 03:49:52,777 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/rev-2-n-u.c [2024-11-17 03:49:52,787 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fefbfbc0/b3daacee2b0648da89e39dd350d619c2/FLAGba18bcc77 [2024-11-17 03:49:53,181 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fefbfbc0/b3daacee2b0648da89e39dd350d619c2 [2024-11-17 03:49:53,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 03:49:53,185 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 03:49:53,187 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 03:49:53,187 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 03:49:53,191 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 03:49:53,192 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:49:53" (1/1) ... [2024-11-17 03:49:53,193 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@140dde7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:49:53, skipping insertion in model container [2024-11-17 03:49:53,193 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:49:53" (1/1) ... [2024-11-17 03:49:53,212 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 03:49:53,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:49:53,411 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 03:49:53,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:49:53,438 INFO L204 MainTranslator]: Completed translation [2024-11-17 03:49:53,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:49:53 WrapperNode [2024-11-17 03:49:53,439 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 03:49:53,440 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 03:49:53,440 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 03:49:53,440 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 03:49:53,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:49:53" (1/1) ... [2024-11-17 03:49:53,450 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:49:53" (1/1) ... [2024-11-17 03:49:53,465 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 106 [2024-11-17 03:49:53,466 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 03:49:53,466 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 03:49:53,466 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 03:49:53,467 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 03:49:53,475 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:49:53" (1/1) ... [2024-11-17 03:49:53,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:49:53" (1/1) ... [2024-11-17 03:49:53,477 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:49:53" (1/1) ... [2024-11-17 03:49:53,497 INFO L175 MemorySlicer]: Split 7 memory accesses to 3 slices as follows [2, 2, 3]. 43 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-11-17 03:49:53,498 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:49:53" (1/1) ... [2024-11-17 03:49:53,498 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:49:53" (1/1) ... [2024-11-17 03:49:53,502 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:49:53" (1/1) ... [2024-11-17 03:49:53,503 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:49:53" (1/1) ... [2024-11-17 03:49:53,504 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:49:53" (1/1) ... [2024-11-17 03:49:53,504 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:49:53" (1/1) ... [2024-11-17 03:49:53,506 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 03:49:53,508 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 03:49:53,508 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 03:49:53,509 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 03:49:53,509 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:49:53" (1/1) ... [2024-11-17 03:49:53,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:49:53,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:49:53,538 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 03:49:53,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 03:49:53,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 03:49:53,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 03:49:53,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-17 03:49:53,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-17 03:49:53,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-17 03:49:53,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 03:49:53,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 03:49:53,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-17 03:49:53,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 03:49:53,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 03:49:53,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 03:49:53,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-17 03:49:53,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-17 03:49:53,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 03:49:53,627 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 03:49:53,628 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 03:49:53,859 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L18: call ULTIMATE.dealloc(main_~#A~0#1.base, main_~#A~0#1.offset);havoc main_~#A~0#1.base, main_~#A~0#1.offset;call ULTIMATE.dealloc(main_~#B~0#1.base, main_~#B~0#1.offset);havoc main_~#B~0#1.base, main_~#B~0#1.offset; [2024-11-17 03:49:53,869 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2024-11-17 03:49:53,869 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 03:49:53,881 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 03:49:53,881 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 03:49:53,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:49:53 BoogieIcfgContainer [2024-11-17 03:49:53,881 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 03:49:53,883 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 03:49:53,883 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 03:49:53,886 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 03:49:53,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:49:53" (1/3) ... [2024-11-17 03:49:53,886 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3124f15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:49:53, skipping insertion in model container [2024-11-17 03:49:53,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:49:53" (2/3) ... [2024-11-17 03:49:53,887 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3124f15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:49:53, skipping insertion in model container [2024-11-17 03:49:53,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:49:53" (3/3) ... [2024-11-17 03:49:53,888 INFO L112 eAbstractionObserver]: Analyzing ICFG rev-2-n-u.c [2024-11-17 03:49:53,901 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 03:49:53,901 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2024-11-17 03:49:53,945 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 03:49:53,951 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;@814ecdb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 03:49:53,952 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-11-17 03:49:53,955 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 59 states have (on average 1.694915254237288) internal successors, (100), 87 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:53,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-17 03:49:53,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:49:53,960 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-17 03:49:53,961 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-17 03:49:53,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:49:53,965 INFO L85 PathProgramCache]: Analyzing trace with hash -124717004, now seen corresponding path program 1 times [2024-11-17 03:49:53,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:49:53,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474530980] [2024-11-17 03:49:53,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:49:53,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:49:54,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:49:54,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:49:54,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:49:54,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474530980] [2024-11-17 03:49:54,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474530980] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:49:54,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:49:54,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:49:54,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102012120] [2024-11-17 03:49:54,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:49:54,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 03:49:54,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:49:54,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 03:49:54,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 03:49:54,151 INFO L87 Difference]: Start difference. First operand has 88 states, 59 states have (on average 1.694915254237288) internal successors, (100), 87 states have internal predecessors, (100), 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 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:54,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:49:54,166 INFO L93 Difference]: Finished difference Result 173 states and 197 transitions. [2024-11-17 03:49:54,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 03:49:54,168 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-17 03:49:54,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:49:54,175 INFO L225 Difference]: With dead ends: 173 [2024-11-17 03:49:54,176 INFO L226 Difference]: Without dead ends: 82 [2024-11-17 03:49:54,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 03:49:54,181 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:49:54,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:49:54,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-17 03:49:54,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-11-17 03:49:54,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 54 states have (on average 1.6111111111111112) internal successors, (87), 81 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) [2024-11-17 03:49:54,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 87 transitions. [2024-11-17 03:49:54,209 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 87 transitions. Word has length 6 [2024-11-17 03:49:54,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:49:54,209 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 87 transitions. [2024-11-17 03:49:54,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:54,210 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 87 transitions. [2024-11-17 03:49:54,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-17 03:49:54,210 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:49:54,211 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:49:54,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 03:49:54,212 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-17 03:49:54,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:49:54,213 INFO L85 PathProgramCache]: Analyzing trace with hash 428739520, now seen corresponding path program 1 times [2024-11-17 03:49:54,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:49:54,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247251748] [2024-11-17 03:49:54,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:49:54,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:49:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:49:54,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:49:54,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:49:54,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247251748] [2024-11-17 03:49:54,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247251748] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:49:54,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:49:54,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 03:49:54,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491856269] [2024-11-17 03:49:54,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:49:54,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:49:54,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:49:54,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:49:54,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:49:54,317 INFO L87 Difference]: Start difference. First operand 82 states and 87 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:54,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:49:54,470 INFO L93 Difference]: Finished difference Result 205 states and 232 transitions. [2024-11-17 03:49:54,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:49:54,471 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-17 03:49:54,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:49:54,472 INFO L225 Difference]: With dead ends: 205 [2024-11-17 03:49:54,473 INFO L226 Difference]: Without dead ends: 125 [2024-11-17 03:49:54,473 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 [2024-11-17 03:49:54,474 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 156 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:49:54,478 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 98 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:49:54,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-17 03:49:54,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 114. [2024-11-17 03:49:54,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 86 states have (on average 1.5232558139534884) internal successors, (131), 113 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:54,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 131 transitions. [2024-11-17 03:49:54,493 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 131 transitions. Word has length 7 [2024-11-17 03:49:54,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:49:54,493 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 131 transitions. [2024-11-17 03:49:54,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:54,493 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 131 transitions. [2024-11-17 03:49:54,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-17 03:49:54,494 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:49:54,494 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:49:54,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 03:49:54,494 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-17 03:49:54,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:49:54,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1423735476, now seen corresponding path program 1 times [2024-11-17 03:49:54,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:49:54,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629413363] [2024-11-17 03:49:54,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:49:54,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:49:54,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:49:54,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:49:54,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:49:54,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629413363] [2024-11-17 03:49:54,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629413363] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:49:54,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:49:54,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:49:54,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023546565] [2024-11-17 03:49:54,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:49:54,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:49:54,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:49:54,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:49:54,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:49:54,586 INFO L87 Difference]: Start difference. First operand 114 states and 131 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:54,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:49:54,677 INFO L93 Difference]: Finished difference Result 226 states and 260 transitions. [2024-11-17 03:49:54,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:49:54,678 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-17 03:49:54,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:49:54,679 INFO L225 Difference]: With dead ends: 226 [2024-11-17 03:49:54,679 INFO L226 Difference]: Without dead ends: 130 [2024-11-17 03:49:54,680 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 [2024-11-17 03:49:54,681 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 11 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:49:54,681 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 126 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:49:54,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-17 03:49:54,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 127. [2024-11-17 03:49:54,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 99 states have (on average 1.4848484848484849) internal successors, (147), 126 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:54,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 147 transitions. [2024-11-17 03:49:54,696 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 147 transitions. Word has length 10 [2024-11-17 03:49:54,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:49:54,697 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 147 transitions. [2024-11-17 03:49:54,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:54,697 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 147 transitions. [2024-11-17 03:49:54,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-17 03:49:54,697 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:49:54,698 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:49:54,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 03:49:54,698 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-17 03:49:54,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:49:54,699 INFO L85 PathProgramCache]: Analyzing trace with hash 840669345, now seen corresponding path program 1 times [2024-11-17 03:49:54,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:49:54,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273353591] [2024-11-17 03:49:54,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:49:54,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:49:54,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:49:54,785 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:49:54,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:49:54,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273353591] [2024-11-17 03:49:54,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273353591] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:49:54,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727192160] [2024-11-17 03:49:54,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:49:54,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:49:54,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:49:54,792 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:49:54,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 03:49:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:49:54,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 03:49:54,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:49:54,880 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:49:54,880 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:49:54,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1727192160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:49:54,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 03:49:54,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-17 03:49:54,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832426895] [2024-11-17 03:49:54,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:49:54,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:49:54,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:49:54,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:49:54,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 03:49:54,882 INFO L87 Difference]: Start difference. First operand 127 states and 147 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:54,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:49:54,966 INFO L93 Difference]: Finished difference Result 139 states and 151 transitions. [2024-11-17 03:49:54,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:49:54,967 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-17 03:49:54,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:49:54,968 INFO L225 Difference]: With dead ends: 139 [2024-11-17 03:49:54,968 INFO L226 Difference]: Without dead ends: 136 [2024-11-17 03:49:54,968 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 03:49:54,969 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 74 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:49:54,969 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 114 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:49:54,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-11-17 03:49:54,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 124. [2024-11-17 03:49:54,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 99 states have (on average 1.4444444444444444) internal successors, (143), 123 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:54,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 143 transitions. [2024-11-17 03:49:54,977 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 143 transitions. Word has length 12 [2024-11-17 03:49:54,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:49:54,978 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 143 transitions. [2024-11-17 03:49:54,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:54,978 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 143 transitions. [2024-11-17 03:49:54,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-17 03:49:54,978 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:49:54,978 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:49:54,996 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 03:49:55,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:49:55,183 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-17 03:49:55,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:49:55,184 INFO L85 PathProgramCache]: Analyzing trace with hash 290945983, now seen corresponding path program 1 times [2024-11-17 03:49:55,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:49:55,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918166915] [2024-11-17 03:49:55,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:49:55,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:49:55,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:49:55,307 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:49:55,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:49:55,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918166915] [2024-11-17 03:49:55,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918166915] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:49:55,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039455514] [2024-11-17 03:49:55,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:49:55,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:49:55,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:49:55,311 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:49:55,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 03:49:55,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:49:55,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 03:49:55,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:49:55,387 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:49:55,387 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:49:55,425 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:49:55,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2039455514] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:49:55,429 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:49:55,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-17 03:49:55,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362321720] [2024-11-17 03:49:55,430 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:49:55,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 03:49:55,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:49:55,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 03:49:55,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-17 03:49:55,431 INFO L87 Difference]: Start difference. First operand 124 states and 143 transitions. Second operand has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:55,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:49:55,613 INFO L93 Difference]: Finished difference Result 279 states and 335 transitions. [2024-11-17 03:49:55,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 03:49:55,613 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 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 13 [2024-11-17 03:49:55,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:49:55,616 INFO L225 Difference]: With dead ends: 279 [2024-11-17 03:49:55,616 INFO L226 Difference]: Without dead ends: 276 [2024-11-17 03:49:55,616 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-17 03:49:55,617 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 254 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 03:49:55,617 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 183 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 03:49:55,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-11-17 03:49:55,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 244. [2024-11-17 03:49:55,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 219 states have (on average 1.4748858447488584) internal successors, (323), 243 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:55,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 323 transitions. [2024-11-17 03:49:55,641 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 323 transitions. Word has length 13 [2024-11-17 03:49:55,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:49:55,641 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 323 transitions. [2024-11-17 03:49:55,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:55,642 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 323 transitions. [2024-11-17 03:49:55,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-17 03:49:55,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:49:55,642 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] [2024-11-17 03:49:55,655 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-17 03:49:55,843 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 [2024-11-17 03:49:55,844 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-17 03:49:55,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:49:55,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1901661520, now seen corresponding path program 1 times [2024-11-17 03:49:55,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:49:55,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539230985] [2024-11-17 03:49:55,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:49:55,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:49:55,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:49:55,895 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 03:49:55,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:49:55,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539230985] [2024-11-17 03:49:55,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539230985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:49:55,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:49:55,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:49:55,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807321395] [2024-11-17 03:49:55,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:49:55,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:49:55,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:49:55,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:49:55,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:49:55,897 INFO L87 Difference]: Start difference. First operand 244 states and 323 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) [2024-11-17 03:49:55,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:49:55,982 INFO L93 Difference]: Finished difference Result 514 states and 703 transitions. [2024-11-17 03:49:55,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:49:55,983 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 22 [2024-11-17 03:49:55,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:49:55,985 INFO L225 Difference]: With dead ends: 514 [2024-11-17 03:49:55,985 INFO L226 Difference]: Without dead ends: 414 [2024-11-17 03:49:55,986 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:49:55,986 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 167 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:49:55,987 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 91 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:49:55,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-11-17 03:49:56,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 400. [2024-11-17 03:49:56,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 375 states have (on average 1.4533333333333334) internal successors, (545), 399 states have internal predecessors, (545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:56,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 545 transitions. [2024-11-17 03:49:56,009 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 545 transitions. Word has length 22 [2024-11-17 03:49:56,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:49:56,009 INFO L471 AbstractCegarLoop]: Abstraction has 400 states and 545 transitions. [2024-11-17 03:49:56,010 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) [2024-11-17 03:49:56,010 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 545 transitions. [2024-11-17 03:49:56,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-17 03:49:56,010 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:49:56,010 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] [2024-11-17 03:49:56,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 03:49:56,011 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-17 03:49:56,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:49:56,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1178034981, now seen corresponding path program 1 times [2024-11-17 03:49:56,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:49:56,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678500270] [2024-11-17 03:49:56,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:49:56,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:49:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:49:56,075 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 03:49:56,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:49:56,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678500270] [2024-11-17 03:49:56,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678500270] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:49:56,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:49:56,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:49:56,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881659647] [2024-11-17 03:49:56,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:49:56,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:49:56,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:49:56,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:49:56,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:49:56,077 INFO L87 Difference]: Start difference. First operand 400 states and 545 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:56,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:49:56,156 INFO L93 Difference]: Finished difference Result 418 states and 548 transitions. [2024-11-17 03:49:56,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:49:56,157 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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 [2024-11-17 03:49:56,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:49:56,159 INFO L225 Difference]: With dead ends: 418 [2024-11-17 03:49:56,159 INFO L226 Difference]: Without dead ends: 414 [2024-11-17 03:49:56,159 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:49:56,160 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 118 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:49:56,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 92 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:49:56,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-11-17 03:49:56,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 400. [2024-11-17 03:49:56,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 375 states have (on average 1.4) internal successors, (525), 399 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:56,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 525 transitions. [2024-11-17 03:49:56,180 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 525 transitions. Word has length 23 [2024-11-17 03:49:56,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:49:56,180 INFO L471 AbstractCegarLoop]: Abstraction has 400 states and 525 transitions. [2024-11-17 03:49:56,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:56,181 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 525 transitions. [2024-11-17 03:49:56,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-17 03:49:56,182 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:49:56,182 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-17 03:49:56,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 03:49:56,183 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-17 03:49:56,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:49:56,185 INFO L85 PathProgramCache]: Analyzing trace with hash 566096890, now seen corresponding path program 1 times [2024-11-17 03:49:56,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:49:56,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047831518] [2024-11-17 03:49:56,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:49:56,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:49:56,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:49:56,232 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 03:49:56,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:49:56,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047831518] [2024-11-17 03:49:56,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047831518] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:49:56,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454482033] [2024-11-17 03:49:56,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:49:56,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:49:56,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:49:56,236 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:49:56,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 03:49:56,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:49:56,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 03:49:56,290 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:49:56,368 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 03:49:56,369 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:49:56,406 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 03:49:56,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454482033] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:49:56,407 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:49:56,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5, 5] total 10 [2024-11-17 03:49:56,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654981848] [2024-11-17 03:49:56,408 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:49:56,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 03:49:56,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:49:56,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 03:49:56,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-17 03:49:56,410 INFO L87 Difference]: Start difference. First operand 400 states and 525 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:56,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:49:56,916 INFO L93 Difference]: Finished difference Result 799 states and 1020 transitions. [2024-11-17 03:49:56,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-17 03:49:56,916 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 [2024-11-17 03:49:56,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:49:56,918 INFO L225 Difference]: With dead ends: 799 [2024-11-17 03:49:56,918 INFO L226 Difference]: Without dead ends: 427 [2024-11-17 03:49:56,920 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=148, Invalid=314, Unknown=0, NotChecked=0, Total=462 [2024-11-17 03:49:56,921 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 1061 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 564 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1061 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 03:49:56,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1061 Valid, 94 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 564 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 03:49:56,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-11-17 03:49:56,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 393. [2024-11-17 03:49:56,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 375 states have (on average 1.2586666666666666) internal successors, (472), 392 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:56,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 472 transitions. [2024-11-17 03:49:56,931 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 472 transitions. Word has length 24 [2024-11-17 03:49:56,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:49:56,931 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 472 transitions. [2024-11-17 03:49:56,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:56,931 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 472 transitions. [2024-11-17 03:49:56,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-17 03:49:56,932 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:49:56,932 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 1, 1, 1, 1, 1] [2024-11-17 03:49:56,945 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-17 03:49:57,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:49:57,133 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-17 03:49:57,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:49:57,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1255681821, now seen corresponding path program 2 times [2024-11-17 03:49:57,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:49:57,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563752088] [2024-11-17 03:49:57,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:49:57,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:49:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:49:57,167 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-17 03:49:57,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:49:57,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563752088] [2024-11-17 03:49:57,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563752088] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:49:57,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029555022] [2024-11-17 03:49:57,168 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 03:49:57,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:49:57,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:49:57,170 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:49:57,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 03:49:57,229 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-17 03:49:57,233 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:49:57,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 03:49:57,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:49:57,291 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-17 03:49:57,291 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:49:57,370 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-17 03:49:57,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029555022] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:49:57,374 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:49:57,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-17 03:49:57,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993328660] [2024-11-17 03:49:57,374 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:49:57,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:49:57,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:49:57,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:49:57,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:49:57,375 INFO L87 Difference]: Start difference. First operand 393 states and 472 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:57,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:49:57,458 INFO L93 Difference]: Finished difference Result 393 states and 472 transitions. [2024-11-17 03:49:57,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 03:49:57,459 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 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 [2024-11-17 03:49:57,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:49:57,460 INFO L225 Difference]: With dead ends: 393 [2024-11-17 03:49:57,460 INFO L226 Difference]: Without dead ends: 390 [2024-11-17 03:49:57,461 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-17 03:49:57,461 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 171 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:49:57,461 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 91 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:49:57,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-17 03:49:57,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 338. [2024-11-17 03:49:57,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 323 states have (on average 1.2321981424148607) internal successors, (398), 337 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:57,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 398 transitions. [2024-11-17 03:49:57,471 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 398 transitions. Word has length 28 [2024-11-17 03:49:57,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:49:57,471 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 398 transitions. [2024-11-17 03:49:57,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:57,472 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 398 transitions. [2024-11-17 03:49:57,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-17 03:49:57,472 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:49:57,472 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:49:57,485 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 03:49:57,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:49:57,677 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-17 03:49:57,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:49:57,677 INFO L85 PathProgramCache]: Analyzing trace with hash 999843957, now seen corresponding path program 1 times [2024-11-17 03:49:57,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:49:57,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557591867] [2024-11-17 03:49:57,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:49:57,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:49:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:49:57,750 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 03:49:57,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:49:57,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557591867] [2024-11-17 03:49:57,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557591867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:49:57,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:49:57,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:49:57,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420030241] [2024-11-17 03:49:57,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:49:57,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:49:57,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:49:57,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:49:57,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:49:57,752 INFO L87 Difference]: Start difference. First operand 338 states and 398 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 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) [2024-11-17 03:49:57,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:49:57,806 INFO L93 Difference]: Finished difference Result 350 states and 398 transitions. [2024-11-17 03:49:57,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:49:57,807 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 42 [2024-11-17 03:49:57,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:49:57,809 INFO L225 Difference]: With dead ends: 350 [2024-11-17 03:49:57,809 INFO L226 Difference]: Without dead ends: 346 [2024-11-17 03:49:57,809 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:49:57,810 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 87 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:49:57,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 87 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:49:57,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-17 03:49:57,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 338. [2024-11-17 03:49:57,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 323 states have (on average 1.2074303405572755) internal successors, (390), 337 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:57,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 390 transitions. [2024-11-17 03:49:57,821 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 390 transitions. Word has length 42 [2024-11-17 03:49:57,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:49:57,821 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 390 transitions. [2024-11-17 03:49:57,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:57,822 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 390 transitions. [2024-11-17 03:49:57,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-17 03:49:57,824 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:49:57,824 INFO L215 NwaCegarLoop]: trace histogram [10, 8, 8, 8, 8, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-17 03:49:57,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-17 03:49:57,824 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-17 03:49:57,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:49:57,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1420825479, now seen corresponding path program 1 times [2024-11-17 03:49:57,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:49:57,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392813770] [2024-11-17 03:49:57,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:49:57,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:49:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:49:57,900 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-17 03:49:57,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:49:57,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392813770] [2024-11-17 03:49:57,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392813770] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:49:57,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755550149] [2024-11-17 03:49:57,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:49:57,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:49:57,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:49:57,904 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:49:57,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 03:49:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:49:57,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 03:49:57,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:49:58,074 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 100 proven. 38 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 03:49:58,074 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:49:58,147 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 100 proven. 38 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 03:49:58,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755550149] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:49:58,148 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:49:58,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 8, 8] total 16 [2024-11-17 03:49:58,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657888779] [2024-11-17 03:49:58,148 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:49:58,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-17 03:49:58,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:49:58,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-17 03:49:58,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2024-11-17 03:49:58,149 INFO L87 Difference]: Start difference. First operand 338 states and 390 transitions. Second operand has 16 states, 16 states have (on average 5.3125) internal successors, (85), 16 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:59,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:49:59,053 INFO L93 Difference]: Finished difference Result 1524 states and 1821 transitions. [2024-11-17 03:49:59,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-17 03:49:59,054 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.3125) internal successors, (85), 16 states have internal predecessors, (85), 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 55 [2024-11-17 03:49:59,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:49:59,057 INFO L225 Difference]: With dead ends: 1524 [2024-11-17 03:49:59,057 INFO L226 Difference]: Without dead ends: 1212 [2024-11-17 03:49:59,058 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=643, Invalid=1163, Unknown=0, NotChecked=0, Total=1806 [2024-11-17 03:49:59,058 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 4435 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4435 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 03:49:59,059 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4435 Valid, 117 Invalid, 771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 03:49:59,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1212 states. [2024-11-17 03:49:59,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1212 to 1129. [2024-11-17 03:49:59,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1129 states, 1114 states have (on average 1.2549371633752244) internal successors, (1398), 1128 states have internal predecessors, (1398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:59,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 1129 states and 1398 transitions. [2024-11-17 03:49:59,080 INFO L78 Accepts]: Start accepts. Automaton has 1129 states and 1398 transitions. Word has length 55 [2024-11-17 03:49:59,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:49:59,081 INFO L471 AbstractCegarLoop]: Abstraction has 1129 states and 1398 transitions. [2024-11-17 03:49:59,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.3125) internal successors, (85), 16 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:49:59,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1398 transitions. [2024-11-17 03:49:59,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-17 03:49:59,082 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:49:59,082 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:49:59,095 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-17 03:49:59,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-17 03:49:59,284 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-17 03:49:59,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:49:59,284 INFO L85 PathProgramCache]: Analyzing trace with hash 761279689, now seen corresponding path program 1 times [2024-11-17 03:49:59,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:49:59,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36032295] [2024-11-17 03:49:59,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:49:59,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:49:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:49:59,489 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 2 proven. 245 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-17 03:49:59,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:49:59,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36032295] [2024-11-17 03:49:59,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36032295] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:49:59,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [325504821] [2024-11-17 03:49:59,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:49:59,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:49:59,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:49:59,492 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:49:59,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 03:49:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:49:59,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 03:49:59,564 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:49:59,812 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 2 proven. 245 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-17 03:49:59,815 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:50:00,055 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 2 proven. 245 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-17 03:50:00,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [325504821] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:50:00,055 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:50:00,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 37 [2024-11-17 03:50:00,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667902127] [2024-11-17 03:50:00,055 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:50:00,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-17 03:50:00,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:50:00,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-17 03:50:00,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=579, Invalid=753, Unknown=0, NotChecked=0, Total=1332 [2024-11-17 03:50:00,057 INFO L87 Difference]: Start difference. First operand 1129 states and 1398 transitions. Second operand has 37 states, 37 states have (on average 5.054054054054054) internal successors, (187), 37 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:00,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:50:00,949 INFO L93 Difference]: Finished difference Result 3630 states and 4443 transitions. [2024-11-17 03:50:00,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-17 03:50:00,949 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 5.054054054054054) internal successors, (187), 37 states have internal predecessors, (187), 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 86 [2024-11-17 03:50:00,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:50:00,955 INFO L225 Difference]: With dead ends: 3630 [2024-11-17 03:50:00,955 INFO L226 Difference]: Without dead ends: 2557 [2024-11-17 03:50:00,957 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 745 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=876, Invalid=1380, Unknown=0, NotChecked=0, Total=2256 [2024-11-17 03:50:00,957 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 3001 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3001 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 03:50:00,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3001 Valid, 615 Invalid, 770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 03:50:00,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2557 states. [2024-11-17 03:50:00,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2557 to 2389. [2024-11-17 03:50:00,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2389 states, 2374 states have (on average 1.2611625947767482) internal successors, (2994), 2388 states have internal predecessors, (2994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:00,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2389 states to 2389 states and 2994 transitions. [2024-11-17 03:50:00,996 INFO L78 Accepts]: Start accepts. Automaton has 2389 states and 2994 transitions. Word has length 86 [2024-11-17 03:50:00,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:50:00,997 INFO L471 AbstractCegarLoop]: Abstraction has 2389 states and 2994 transitions. [2024-11-17 03:50:00,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 5.054054054054054) internal successors, (187), 37 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:00,997 INFO L276 IsEmpty]: Start isEmpty. Operand 2389 states and 2994 transitions. [2024-11-17 03:50:00,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-17 03:50:00,998 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:50:00,998 INFO L215 NwaCegarLoop]: trace histogram [23, 22, 22, 22, 22, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:50:01,011 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-17 03:50:01,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:50:01,199 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-17 03:50:01,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:50:01,200 INFO L85 PathProgramCache]: Analyzing trace with hash -523860919, now seen corresponding path program 2 times [2024-11-17 03:50:01,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:50:01,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370171759] [2024-11-17 03:50:01,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:01,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:50:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:50:01,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1209 backedges. 2 proven. 1199 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-17 03:50:01,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:50:01,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370171759] [2024-11-17 03:50:01,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370171759] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:50:01,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547298292] [2024-11-17 03:50:01,871 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 03:50:01,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:50:01,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:50:01,873 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:50:01,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 03:50:01,959 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 03:50:01,959 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:50:01,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-17 03:50:01,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:50:02,547 INFO L134 CoverageAnalysis]: Checked inductivity of 1209 backedges. 2 proven. 1199 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-17 03:50:02,547 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:50:03,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1209 backedges. 2 proven. 1199 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-17 03:50:03,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547298292] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:50:03,316 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:50:03,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 73 [2024-11-17 03:50:03,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348074140] [2024-11-17 03:50:03,317 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:50:03,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-11-17 03:50:03,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:50:03,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-11-17 03:50:03,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2307, Invalid=2949, Unknown=0, NotChecked=0, Total=5256 [2024-11-17 03:50:03,320 INFO L87 Difference]: Start difference. First operand 2389 states and 2994 transitions. Second operand has 73 states, 73 states have (on average 5.027397260273973) internal successors, (367), 73 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:06,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:50:06,245 INFO L93 Difference]: Finished difference Result 7542 states and 9279 transitions. [2024-11-17 03:50:06,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-17 03:50:06,245 INFO L78 Accepts]: Start accepts. Automaton has has 73 states, 73 states have (on average 5.027397260273973) internal successors, (367), 73 states have internal predecessors, (367), 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 146 [2024-11-17 03:50:06,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:50:06,257 INFO L225 Difference]: With dead ends: 7542 [2024-11-17 03:50:06,257 INFO L226 Difference]: Without dead ends: 5269 [2024-11-17 03:50:06,260 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3217 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=3480, Invalid=5640, Unknown=0, NotChecked=0, Total=9120 [2024-11-17 03:50:06,261 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 9429 mSDsluCounter, 1259 mSDsCounter, 0 mSdLazyCounter, 1286 mSolverCounterSat, 460 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9429 SdHoareTripleChecker+Valid, 1304 SdHoareTripleChecker+Invalid, 1746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 460 IncrementalHoareTripleChecker+Valid, 1286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:50:06,261 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9429 Valid, 1304 Invalid, 1746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [460 Valid, 1286 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-17 03:50:06,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5269 states. [2024-11-17 03:50:06,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5269 to 4909. [2024-11-17 03:50:06,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4909 states, 4894 states have (on average 1.2639967306906417) internal successors, (6186), 4908 states have internal predecessors, (6186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:06,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4909 states to 4909 states and 6186 transitions. [2024-11-17 03:50:06,340 INFO L78 Accepts]: Start accepts. Automaton has 4909 states and 6186 transitions. Word has length 146 [2024-11-17 03:50:06,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:50:06,341 INFO L471 AbstractCegarLoop]: Abstraction has 4909 states and 6186 transitions. [2024-11-17 03:50:06,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 5.027397260273973) internal successors, (367), 73 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:06,341 INFO L276 IsEmpty]: Start isEmpty. Operand 4909 states and 6186 transitions. [2024-11-17 03:50:06,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-11-17 03:50:06,343 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:50:06,343 INFO L215 NwaCegarLoop]: trace histogram [47, 46, 46, 46, 46, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:50:06,360 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-17 03:50:06,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:50:06,548 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-17 03:50:06,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:50:06,550 INFO L85 PathProgramCache]: Analyzing trace with hash -92642487, now seen corresponding path program 3 times [2024-11-17 03:50:06,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:50:06,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609022428] [2024-11-17 03:50:06,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:06,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:50:06,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:50:08,510 INFO L134 CoverageAnalysis]: Checked inductivity of 5277 backedges. 2 proven. 5267 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-17 03:50:08,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:50:08,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609022428] [2024-11-17 03:50:08,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609022428] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:50:08,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1248537361] [2024-11-17 03:50:08,511 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 03:50:08,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:50:08,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:50:08,512 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:50:08,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 03:50:08,597 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-17 03:50:08,597 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:50:08,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 03:50:08,601 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:50:08,906 INFO L134 CoverageAnalysis]: Checked inductivity of 5277 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 5269 trivial. 0 not checked. [2024-11-17 03:50:08,906 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:50:08,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1248537361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:50:08,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 03:50:08,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [50] total 53 [2024-11-17 03:50:08,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117675792] [2024-11-17 03:50:08,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:50:08,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 03:50:08,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:50:08,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 03:50:08,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1188, Invalid=1568, Unknown=0, NotChecked=0, Total=2756 [2024-11-17 03:50:08,908 INFO L87 Difference]: Start difference. First operand 4909 states and 6186 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:08,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:50:08,993 INFO L93 Difference]: Finished difference Result 4917 states and 6186 transitions. [2024-11-17 03:50:08,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 03:50:08,993 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 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 266 [2024-11-17 03:50:08,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:50:09,005 INFO L225 Difference]: With dead ends: 4917 [2024-11-17 03:50:09,005 INFO L226 Difference]: Without dead ends: 4913 [2024-11-17 03:50:09,007 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1188, Invalid=1568, Unknown=0, NotChecked=0, Total=2756 [2024-11-17 03:50:09,008 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 74 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:50:09,008 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 128 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:50:09,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4913 states. [2024-11-17 03:50:09,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4913 to 4905. [2024-11-17 03:50:09,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4905 states, 4894 states have (on average 1.1536575398447078) internal successors, (5646), 4904 states have internal predecessors, (5646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:09,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4905 states to 4905 states and 5646 transitions. [2024-11-17 03:50:09,084 INFO L78 Accepts]: Start accepts. Automaton has 4905 states and 5646 transitions. Word has length 266 [2024-11-17 03:50:09,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:50:09,084 INFO L471 AbstractCegarLoop]: Abstraction has 4905 states and 5646 transitions. [2024-11-17 03:50:09,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:09,084 INFO L276 IsEmpty]: Start isEmpty. Operand 4905 states and 5646 transitions. [2024-11-17 03:50:09,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 713 [2024-11-17 03:50:09,092 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:50:09,092 INFO L215 NwaCegarLoop]: trace histogram [141, 138, 138, 138, 138, 3, 3, 3, 3, 2, 2, 1, 1, 1] [2024-11-17 03:50:09,106 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-17 03:50:09,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-17 03:50:09,297 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-17 03:50:09,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:50:09,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1746682363, now seen corresponding path program 2 times [2024-11-17 03:50:09,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:50:09,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244748104] [2024-11-17 03:50:09,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:09,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:50:09,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:50:09,680 INFO L134 CoverageAnalysis]: Checked inductivity of 48112 backedges. 0 proven. 21536 refuted. 0 times theorem prover too weak. 26576 trivial. 0 not checked. [2024-11-17 03:50:09,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:50:09,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244748104] [2024-11-17 03:50:09,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244748104] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:50:09,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871326980] [2024-11-17 03:50:09,681 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 03:50:09,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:50:09,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:50:09,683 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:50:09,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-17 03:50:09,834 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-17 03:50:09,834 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:50:09,836 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 03:50:09,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:50:10,419 INFO L134 CoverageAnalysis]: Checked inductivity of 48112 backedges. 0 proven. 21536 refuted. 0 times theorem prover too weak. 26576 trivial. 0 not checked. [2024-11-17 03:50:10,419 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:50:11,045 INFO L134 CoverageAnalysis]: Checked inductivity of 48112 backedges. 0 proven. 21536 refuted. 0 times theorem prover too weak. 26576 trivial. 0 not checked. [2024-11-17 03:50:11,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1871326980] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:50:11,046 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:50:11,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-17 03:50:11,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897742145] [2024-11-17 03:50:11,046 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:50:11,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:50:11,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:50:11,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:50:11,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:50:11,048 INFO L87 Difference]: Start difference. First operand 4905 states and 5646 transitions. Second operand has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:11,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:50:11,135 INFO L93 Difference]: Finished difference Result 4905 states and 5646 transitions. [2024-11-17 03:50:11,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 03:50:11,135 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 712 [2024-11-17 03:50:11,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:50:11,148 INFO L225 Difference]: With dead ends: 4905 [2024-11-17 03:50:11,148 INFO L226 Difference]: Without dead ends: 4902 [2024-11-17 03:50:11,150 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1427 GetRequests, 1421 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-17 03:50:11,150 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 95 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:50:11,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 40 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:50:11,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4902 states. [2024-11-17 03:50:11,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4902 to 3033. [2024-11-17 03:50:11,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3033 states, 3025 states have (on average 1.1239669421487604) internal successors, (3400), 3032 states have internal predecessors, (3400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:11,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3033 states to 3033 states and 3400 transitions. [2024-11-17 03:50:11,274 INFO L78 Accepts]: Start accepts. Automaton has 3033 states and 3400 transitions. Word has length 712 [2024-11-17 03:50:11,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:50:11,275 INFO L471 AbstractCegarLoop]: Abstraction has 3033 states and 3400 transitions. [2024-11-17 03:50:11,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:11,276 INFO L276 IsEmpty]: Start isEmpty. Operand 3033 states and 3400 transitions. [2024-11-17 03:50:11,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 899 [2024-11-17 03:50:11,305 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:50:11,306 INFO L215 NwaCegarLoop]: trace histogram [48, 47, 47, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:50:11,332 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-17 03:50:11,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-17 03:50:11,510 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-17 03:50:11,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:50:11,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1166672085, now seen corresponding path program 1 times [2024-11-17 03:50:11,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:50:11,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055617238] [2024-11-17 03:50:11,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:11,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:50:11,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:50:11,796 INFO L134 CoverageAnalysis]: Checked inductivity of 19993 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 19853 trivial. 0 not checked. [2024-11-17 03:50:11,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:50:11,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055617238] [2024-11-17 03:50:11,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055617238] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:50:11,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:50:11,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:50:11,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141163619] [2024-11-17 03:50:11,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:50:11,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:50:11,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:50:11,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:50:11,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:50:11,798 INFO L87 Difference]: Start difference. First operand 3033 states and 3400 transitions. Second operand has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:11,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:50:11,857 INFO L93 Difference]: Finished difference Result 3033 states and 3400 transitions. [2024-11-17 03:50:11,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:50:11,857 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 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 898 [2024-11-17 03:50:11,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:50:11,865 INFO L225 Difference]: With dead ends: 3033 [2024-11-17 03:50:11,865 INFO L226 Difference]: Without dead ends: 3029 [2024-11-17 03:50:11,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:50:11,866 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 44 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:50:11,866 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 41 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:50:11,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3029 states. [2024-11-17 03:50:11,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3029 to 3029. [2024-11-17 03:50:11,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3029 states, 3025 states have (on average 1.0631404958677686) internal successors, (3216), 3028 states have internal predecessors, (3216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:11,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3029 states to 3029 states and 3216 transitions. [2024-11-17 03:50:11,920 INFO L78 Accepts]: Start accepts. Automaton has 3029 states and 3216 transitions. Word has length 898 [2024-11-17 03:50:11,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:50:11,921 INFO L471 AbstractCegarLoop]: Abstraction has 3029 states and 3216 transitions. [2024-11-17 03:50:11,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:11,921 INFO L276 IsEmpty]: Start isEmpty. Operand 3029 states and 3216 transitions. [2024-11-17 03:50:11,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 900 [2024-11-17 03:50:11,926 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:50:11,926 INFO L215 NwaCegarLoop]: trace histogram [48, 47, 47, 47, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:50:11,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-17 03:50:11,927 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-17 03:50:11,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:50:11,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1807096224, now seen corresponding path program 1 times [2024-11-17 03:50:11,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:50:11,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674445248] [2024-11-17 03:50:11,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:11,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:50:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:50:15,098 INFO L134 CoverageAnalysis]: Checked inductivity of 20039 backedges. 2 proven. 5267 refuted. 0 times theorem prover too weak. 14770 trivial. 0 not checked. [2024-11-17 03:50:15,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:50:15,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674445248] [2024-11-17 03:50:15,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674445248] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:50:15,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133427900] [2024-11-17 03:50:15,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:15,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:50:15,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:50:15,101 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:50:15,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-17 03:50:15,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:50:15,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 1467 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-17 03:50:15,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:50:16,953 INFO L134 CoverageAnalysis]: Checked inductivity of 20039 backedges. 2 proven. 5267 refuted. 0 times theorem prover too weak. 14770 trivial. 0 not checked. [2024-11-17 03:50:16,954 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:50:19,437 INFO L134 CoverageAnalysis]: Checked inductivity of 20039 backedges. 2 proven. 5267 refuted. 0 times theorem prover too weak. 14770 trivial. 0 not checked. [2024-11-17 03:50:19,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2133427900] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:50:19,439 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:50:19,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 50, 50] total 145 [2024-11-17 03:50:19,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387284207] [2024-11-17 03:50:19,439 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:50:19,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 145 states [2024-11-17 03:50:19,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:50:19,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2024-11-17 03:50:19,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9219, Invalid=11661, Unknown=0, NotChecked=0, Total=20880 [2024-11-17 03:50:19,447 INFO L87 Difference]: Start difference. First operand 3029 states and 3216 transitions. Second operand has 145 states, 145 states have (on average 5.041379310344827) internal successors, (731), 145 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:38,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:50:38,478 INFO L93 Difference]: Finished difference Result 9546 states and 9980 transitions. [2024-11-17 03:50:38,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2024-11-17 03:50:38,479 INFO L78 Accepts]: Start accepts. Automaton has has 145 states, 145 states have (on average 5.041379310344827) internal successors, (731), 145 states have internal predecessors, (731), 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 899 [2024-11-17 03:50:38,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:50:38,495 INFO L225 Difference]: With dead ends: 9546 [2024-11-17 03:50:38,495 INFO L226 Difference]: Without dead ends: 6521 [2024-11-17 03:50:38,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1893 GetRequests, 1703 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13345 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=13872, Invalid=22800, Unknown=0, NotChecked=0, Total=36672 [2024-11-17 03:50:38,503 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 18258 mSDsluCounter, 2147 mSDsCounter, 0 mSdLazyCounter, 2674 mSolverCounterSat, 1122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18258 SdHoareTripleChecker+Valid, 2185 SdHoareTripleChecker+Invalid, 3796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1122 IncrementalHoareTripleChecker+Valid, 2674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-17 03:50:38,503 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18258 Valid, 2185 Invalid, 3796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1122 Valid, 2674 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-17 03:50:38,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6521 states. [2024-11-17 03:50:38,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6521 to 6149. [2024-11-17 03:50:38,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6149 states, 6145 states have (on average 1.062327095199349) internal successors, (6528), 6148 states have internal predecessors, (6528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:38,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6149 states to 6149 states and 6528 transitions. [2024-11-17 03:50:38,644 INFO L78 Accepts]: Start accepts. Automaton has 6149 states and 6528 transitions. Word has length 899 [2024-11-17 03:50:38,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:50:38,645 INFO L471 AbstractCegarLoop]: Abstraction has 6149 states and 6528 transitions. [2024-11-17 03:50:38,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 145 states, 145 states have (on average 5.041379310344827) internal successors, (731), 145 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:38,646 INFO L276 IsEmpty]: Start isEmpty. Operand 6149 states and 6528 transitions. [2024-11-17 03:50:38,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1812 [2024-11-17 03:50:38,660 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:50:38,660 INFO L215 NwaCegarLoop]: trace histogram [96, 95, 95, 95, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:50:38,677 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-17 03:50:38,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-17 03:50:38,861 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-17 03:50:38,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:50:38,862 INFO L85 PathProgramCache]: Analyzing trace with hash -925528928, now seen corresponding path program 2 times [2024-11-17 03:50:38,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:50:38,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191650694] [2024-11-17 03:50:38,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:38,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:50:39,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:50:51,801 INFO L134 CoverageAnalysis]: Checked inductivity of 83807 backedges. 2 proven. 22043 refuted. 0 times theorem prover too weak. 61762 trivial. 0 not checked. [2024-11-17 03:50:51,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:50:51,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191650694] [2024-11-17 03:50:51,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191650694] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:50:51,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [101060197] [2024-11-17 03:50:51,801 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 03:50:51,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:50:51,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:50:51,803 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:50:51,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-17 03:50:52,365 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 03:50:52,366 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:50:52,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 2907 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-11-17 03:50:52,393 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:50:56,830 INFO L134 CoverageAnalysis]: Checked inductivity of 83807 backedges. 2 proven. 22043 refuted. 0 times theorem prover too weak. 61762 trivial. 0 not checked. [2024-11-17 03:50:56,830 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:51:07,285 INFO L134 CoverageAnalysis]: Checked inductivity of 83807 backedges. 2 proven. 22043 refuted. 0 times theorem prover too weak. 61762 trivial. 0 not checked. [2024-11-17 03:51:07,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [101060197] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:51:07,286 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:51:07,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [98, 98, 98] total 289 [2024-11-17 03:51:07,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860901179] [2024-11-17 03:51:07,286 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:51:07,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 289 states [2024-11-17 03:51:07,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:51:07,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 289 interpolants. [2024-11-17 03:51:07,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36867, Invalid=46365, Unknown=0, NotChecked=0, Total=83232 [2024-11-17 03:51:07,299 INFO L87 Difference]: Start difference. First operand 6149 states and 6528 transitions. Second operand has 289 states, 289 states have (on average 5.02076124567474) internal successors, (1451), 289 states have internal predecessors, (1451), 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)