./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-crafted/bor5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc 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-crafted/bor5.i -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 1a4987addfe5f74a2ffcc1ac07d342e5a630d26b982b6fa887540d0e2c4f5965 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 10:01:42,855 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 10:01:42,905 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 10:01:42,909 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 10:01:42,911 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 10:01:42,935 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 10:01:42,935 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 10:01:42,935 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 10:01:42,936 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 10:01:42,936 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 10:01:42,936 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 10:01:42,936 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 10:01:42,937 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 10:01:42,937 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 10:01:42,938 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 10:01:42,938 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 10:01:42,938 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 10:01:42,939 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 10:01:42,939 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 10:01:42,939 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 10:01:42,939 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 10:01:42,943 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 10:01:42,943 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 10:01:42,943 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 10:01:42,944 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 10:01:42,944 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 10:01:42,944 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 10:01:42,944 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 10:01:42,944 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 10:01:42,944 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 10:01:42,945 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 10:01:42,945 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 10:01:42,945 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 10:01:42,945 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 10:01:42,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:01:42,945 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 10:01:42,946 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 10:01:42,946 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 10:01:42,946 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 10:01:42,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 10:01:42,946 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 10:01:42,947 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 10:01:42,947 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 10:01:42,947 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 10:01:42,947 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a4987addfe5f74a2ffcc1ac07d342e5a630d26b982b6fa887540d0e2c4f5965 [2024-11-19 10:01:43,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 10:01:43,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 10:01:43,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 10:01:43,166 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 10:01:43,167 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 10:01:43,168 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-crafted/bor5.i [2024-11-19 10:01:44,362 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 10:01:44,501 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 10:01:44,501 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-crafted/bor5.i [2024-11-19 10:01:44,511 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd82ff288/76164eaee6d541559e38529bfd29e73d/FLAG51ee87bf7 [2024-11-19 10:01:44,921 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd82ff288/76164eaee6d541559e38529bfd29e73d [2024-11-19 10:01:44,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 10:01:44,925 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 10:01:44,926 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 10:01:44,927 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 10:01:44,931 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 10:01:44,932 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:01:44" (1/1) ... [2024-11-19 10:01:44,932 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d44e2b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:44, skipping insertion in model container [2024-11-19 10:01:44,933 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:01:44" (1/1) ... [2024-11-19 10:01:44,950 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 10:01:45,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:01:45,131 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 10:01:45,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:01:45,170 INFO L204 MainTranslator]: Completed translation [2024-11-19 10:01:45,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:45 WrapperNode [2024-11-19 10:01:45,172 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 10:01:45,173 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 10:01:45,173 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 10:01:45,173 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 10:01:45,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:45" (1/1) ... [2024-11-19 10:01:45,183 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:45" (1/1) ... [2024-11-19 10:01:45,223 INFO L138 Inliner]: procedures = 16, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 93 [2024-11-19 10:01:45,224 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 10:01:45,224 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 10:01:45,224 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 10:01:45,224 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 10:01:45,232 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:45" (1/1) ... [2024-11-19 10:01:45,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:45" (1/1) ... [2024-11-19 10:01:45,234 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:45" (1/1) ... [2024-11-19 10:01:45,244 INFO L175 MemorySlicer]: Split 20 memory accesses to 3 slices as follows [2, 7, 11]. 55 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7, 0]. The 5 writes are split as follows [0, 0, 5]. [2024-11-19 10:01:45,245 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:45" (1/1) ... [2024-11-19 10:01:45,245 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:45" (1/1) ... [2024-11-19 10:01:45,249 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:45" (1/1) ... [2024-11-19 10:01:45,254 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:45" (1/1) ... [2024-11-19 10:01:45,254 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:45" (1/1) ... [2024-11-19 10:01:45,255 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:45" (1/1) ... [2024-11-19 10:01:45,257 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 10:01:45,257 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 10:01:45,257 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 10:01:45,257 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 10:01:45,258 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:45" (1/1) ... [2024-11-19 10:01:45,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:01:45,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:01:45,284 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) [2024-11-19 10:01:45,286 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 [2024-11-19 10:01:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 10:01:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure bor [2024-11-19 10:01:45,321 INFO L138 BoogieDeclarations]: Found implementation of procedure bor [2024-11-19 10:01:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 10:01:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 10:01:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 10:01:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 10:01:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 10:01:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 10:01:45,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 10:01:45,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 10:01:45,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 10:01:45,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 10:01:45,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 10:01:45,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 10:01:45,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 10:01:45,393 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 10:01:45,394 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 10:01:45,578 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-19 10:01:45,578 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 10:01:45,592 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 10:01:45,592 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-19 10:01:45,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:01:45 BoogieIcfgContainer [2024-11-19 10:01:45,592 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 10:01:45,594 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 10:01:45,594 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 10:01:45,596 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 10:01:45,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:01:44" (1/3) ... [2024-11-19 10:01:45,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f78fc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:01:45, skipping insertion in model container [2024-11-19 10:01:45,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:01:45" (2/3) ... [2024-11-19 10:01:45,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f78fc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:01:45, skipping insertion in model container [2024-11-19 10:01:45,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:01:45" (3/3) ... [2024-11-19 10:01:45,598 INFO L112 eAbstractionObserver]: Analyzing ICFG bor5.i [2024-11-19 10:01:45,611 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 10:01:45,611 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-11-19 10:01:45,659 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 10:01:45,664 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;@483d057c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 10:01:45,664 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-11-19 10:01:45,667 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 40 states have (on average 1.575) internal successors, (63), 52 states have internal predecessors, (63), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:01:45,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-19 10:01:45,671 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:45,671 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-19 10:01:45,672 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:01:45,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:45,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1865766700, now seen corresponding path program 1 times [2024-11-19 10:01:45,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:45,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851183980] [2024-11-19 10:01:45,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:45,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:45,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:45,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:01:45,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:45,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851183980] [2024-11-19 10:01:45,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851183980] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:01:45,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:01:45,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:01:45,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485580104] [2024-11-19 10:01:45,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:01:45,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:01:45,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:45,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:01:45,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:01:45,923 INFO L87 Difference]: Start difference. First operand has 57 states, 40 states have (on average 1.575) internal successors, (63), 52 states have internal predecessors, (63), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:45,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:45,982 INFO L93 Difference]: Finished difference Result 110 states and 136 transitions. [2024-11-19 10:01:45,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:01:45,984 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-19 10:01:45,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:45,989 INFO L225 Difference]: With dead ends: 110 [2024-11-19 10:01:45,990 INFO L226 Difference]: Without dead ends: 52 [2024-11-19 10:01:45,993 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:01:45,997 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 1 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:45,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 166 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:01:46,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-19 10:01:46,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-19 10:01:46,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 36 states have (on average 1.5) internal successors, (54), 48 states have internal predecessors, (54), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:01:46,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 59 transitions. [2024-11-19 10:01:46,053 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 59 transitions. Word has length 6 [2024-11-19 10:01:46,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:46,053 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 59 transitions. [2024-11-19 10:01:46,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:46,059 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2024-11-19 10:01:46,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-19 10:01:46,060 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:46,060 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:46,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 10:01:46,060 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:01:46,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:46,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1723576664, now seen corresponding path program 1 times [2024-11-19 10:01:46,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:46,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756732771] [2024-11-19 10:01:46,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:46,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:46,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:46,195 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:01:46,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:46,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756732771] [2024-11-19 10:01:46,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756732771] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:01:46,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423662888] [2024-11-19 10:01:46,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:46,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:46,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:01:46,199 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) [2024-11-19 10:01:46,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 10:01:46,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:46,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:01:46,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:01:46,310 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:01:46,310 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:01:46,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [423662888] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:01:46,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:01:46,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-19 10:01:46,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203895220] [2024-11-19 10:01:46,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:01:46,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:01:46,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:46,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:01:46,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:01:46,313 INFO L87 Difference]: Start difference. First operand 52 states and 59 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:46,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:46,350 INFO L93 Difference]: Finished difference Result 52 states and 59 transitions. [2024-11-19 10:01:46,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:01:46,350 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-19 10:01:46,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:46,351 INFO L225 Difference]: With dead ends: 52 [2024-11-19 10:01:46,352 INFO L226 Difference]: Without dead ends: 51 [2024-11-19 10:01:46,352 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:01:46,353 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 1 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:46,353 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 137 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:01:46,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-19 10:01:46,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-19 10:01:46,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 36 states have (on average 1.4722222222222223) internal successors, (53), 47 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:01:46,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 58 transitions. [2024-11-19 10:01:46,358 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 58 transitions. Word has length 10 [2024-11-19 10:01:46,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:46,358 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 58 transitions. [2024-11-19 10:01:46,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:46,359 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2024-11-19 10:01:46,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-19 10:01:46,359 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:46,359 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:46,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 10:01:46,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:46,561 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:01:46,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:46,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1318447222, now seen corresponding path program 1 times [2024-11-19 10:01:46,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:46,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604441677] [2024-11-19 10:01:46,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:46,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:46,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:46,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:01:46,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:46,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604441677] [2024-11-19 10:01:46,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604441677] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:01:46,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:01:46,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:01:46,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226755257] [2024-11-19 10:01:46,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:01:46,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:01:46,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:46,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:01:46,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:01:46,619 INFO L87 Difference]: Start difference. First operand 51 states and 58 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:46,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:46,645 INFO L93 Difference]: Finished difference Result 90 states and 102 transitions. [2024-11-19 10:01:46,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:01:46,645 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-19 10:01:46,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:46,647 INFO L225 Difference]: With dead ends: 90 [2024-11-19 10:01:46,647 INFO L226 Difference]: Without dead ends: 51 [2024-11-19 10:01:46,648 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 [2024-11-19 10:01:46,649 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 1 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:46,649 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 84 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:01:46,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-19 10:01:46,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-19 10:01:46,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 47 states have internal predecessors, (52), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:01:46,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 57 transitions. [2024-11-19 10:01:46,658 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 57 transitions. Word has length 12 [2024-11-19 10:01:46,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:46,658 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 57 transitions. [2024-11-19 10:01:46,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:46,658 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 57 transitions. [2024-11-19 10:01:46,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-19 10:01:46,658 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:46,658 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2024-11-19 10:01:46,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 10:01:46,659 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:01:46,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:46,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1891268950, now seen corresponding path program 1 times [2024-11-19 10:01:46,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:46,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185146652] [2024-11-19 10:01:46,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:46,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:46,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:46,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:01:46,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:46,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185146652] [2024-11-19 10:01:46,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185146652] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:01:46,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558284751] [2024-11-19 10:01:46,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:46,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:46,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:01:46,765 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) [2024-11-19 10:01:46,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 10:01:46,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:46,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:01:46,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:01:46,851 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:01:46,851 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:01:46,904 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:01:46,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [558284751] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:01:46,905 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:01:46,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-19 10:01:46,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809743240] [2024-11-19 10:01:46,905 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:01:46,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 10:01:46,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:46,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 10:01:46,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:01:46,906 INFO L87 Difference]: Start difference. First operand 51 states and 57 transitions. Second operand has 12 states, 11 states have (on average 2.272727272727273) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:46,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:46,963 INFO L93 Difference]: Finished difference Result 64 states and 75 transitions. [2024-11-19 10:01:46,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 10:01:46,963 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.272727272727273) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-19 10:01:46,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:46,964 INFO L225 Difference]: With dead ends: 64 [2024-11-19 10:01:46,965 INFO L226 Difference]: Without dead ends: 63 [2024-11-19 10:01:46,965 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:01:46,966 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 0 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:46,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 276 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:01:46,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-19 10:01:46,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-19 10:01:46,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 48 states have (on average 1.3958333333333333) internal successors, (67), 59 states have internal predecessors, (67), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:01:46,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 72 transitions. [2024-11-19 10:01:46,971 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 72 transitions. Word has length 11 [2024-11-19 10:01:46,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:46,971 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 72 transitions. [2024-11-19 10:01:46,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.272727272727273) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:46,972 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2024-11-19 10:01:46,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-19 10:01:46,972 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:46,972 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:46,984 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-19 10:01:47,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-19 10:01:47,177 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:01:47,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:47,180 INFO L85 PathProgramCache]: Analyzing trace with hash -120302862, now seen corresponding path program 1 times [2024-11-19 10:01:47,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:47,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359680509] [2024-11-19 10:01:47,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:47,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:47,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:47,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:01:47,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:47,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359680509] [2024-11-19 10:01:47,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359680509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:01:47,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:01:47,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:01:47,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760140275] [2024-11-19 10:01:47,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:01:47,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:01:47,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:47,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:01:47,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:01:47,249 INFO L87 Difference]: Start difference. First operand 63 states and 72 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:47,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:47,269 INFO L93 Difference]: Finished difference Result 73 states and 85 transitions. [2024-11-19 10:01:47,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:01:47,270 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-19 10:01:47,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:47,270 INFO L225 Difference]: With dead ends: 73 [2024-11-19 10:01:47,270 INFO L226 Difference]: Without dead ends: 71 [2024-11-19 10:01:47,271 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:01:47,271 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 5 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:47,272 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 141 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:01:47,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-19 10:01:47,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-11-19 10:01:47,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 56 states have (on average 1.3928571428571428) internal successors, (78), 67 states have internal predecessors, (78), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:01:47,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 83 transitions. [2024-11-19 10:01:47,281 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 83 transitions. Word has length 16 [2024-11-19 10:01:47,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:47,281 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 83 transitions. [2024-11-19 10:01:47,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:47,282 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 83 transitions. [2024-11-19 10:01:47,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-19 10:01:47,282 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:47,282 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:47,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 10:01:47,283 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:01:47,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:47,283 INFO L85 PathProgramCache]: Analyzing trace with hash 769783627, now seen corresponding path program 1 times [2024-11-19 10:01:47,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:47,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552172633] [2024-11-19 10:01:47,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:47,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:47,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:47,411 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-19 10:01:47,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:47,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552172633] [2024-11-19 10:01:47,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552172633] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:01:47,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045337941] [2024-11-19 10:01:47,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:47,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:47,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:01:47,423 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) [2024-11-19 10:01:47,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 10:01:47,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:47,477 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:01:47,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:01:47,531 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-19 10:01:47,531 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:01:47,567 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-19 10:01:47,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045337941] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:01:47,567 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:01:47,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-19 10:01:47,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505097228] [2024-11-19 10:01:47,569 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:01:47,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:01:47,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:47,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:01:47,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:01:47,570 INFO L87 Difference]: Start difference. First operand 71 states and 83 transitions. Second operand has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:47,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:47,636 INFO L93 Difference]: Finished difference Result 118 states and 138 transitions. [2024-11-19 10:01:47,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:01:47,638 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2024-11-19 10:01:47,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:47,639 INFO L225 Difference]: With dead ends: 118 [2024-11-19 10:01:47,639 INFO L226 Difference]: Without dead ends: 71 [2024-11-19 10:01:47,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:01:47,640 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 1 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:47,640 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 177 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:01:47,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-19 10:01:47,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-11-19 10:01:47,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 56 states have (on average 1.375) internal successors, (77), 67 states have internal predecessors, (77), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:01:47,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 82 transitions. [2024-11-19 10:01:47,650 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 82 transitions. Word has length 22 [2024-11-19 10:01:47,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:47,651 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 82 transitions. [2024-11-19 10:01:47,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:47,651 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 82 transitions. [2024-11-19 10:01:47,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-19 10:01:47,652 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:47,652 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 1, 1, 1, 1] [2024-11-19 10:01:47,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-19 10:01:47,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:47,857 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:01:47,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:47,857 INFO L85 PathProgramCache]: Analyzing trace with hash -979131722, now seen corresponding path program 2 times [2024-11-19 10:01:47,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:47,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348949863] [2024-11-19 10:01:47,858 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:01:47,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:47,871 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 10:01:47,871 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:01:47,901 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-19 10:01:47,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:47,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348949863] [2024-11-19 10:01:47,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348949863] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:01:47,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [902908245] [2024-11-19 10:01:47,902 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:01:47,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:47,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:01:47,904 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) [2024-11-19 10:01:47,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 10:01:47,951 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 10:01:47,951 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:01:47,951 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:01:47,952 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:01:47,989 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-19 10:01:47,989 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:01:48,024 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-19 10:01:48,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [902908245] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:01:48,026 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:01:48,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2024-11-19 10:01:48,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594503802] [2024-11-19 10:01:48,027 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:01:48,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:01:48,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:48,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:01:48,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:01:48,028 INFO L87 Difference]: Start difference. First operand 71 states and 82 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:48,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:48,082 INFO L93 Difference]: Finished difference Result 71 states and 82 transitions. [2024-11-19 10:01:48,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:01:48,083 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-11-19 10:01:48,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:48,083 INFO L225 Difference]: With dead ends: 71 [2024-11-19 10:01:48,084 INFO L226 Difference]: Without dead ends: 68 [2024-11-19 10:01:48,084 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:01:48,084 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 43 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:48,085 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 99 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:01:48,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-11-19 10:01:48,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 57. [2024-11-19 10:01:48,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 53 states have internal predecessors, (61), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:01:48,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 66 transitions. [2024-11-19 10:01:48,093 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 66 transitions. Word has length 23 [2024-11-19 10:01:48,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:48,093 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 66 transitions. [2024-11-19 10:01:48,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:48,094 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 66 transitions. [2024-11-19 10:01:48,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-19 10:01:48,095 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:48,096 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:48,110 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-19 10:01:48,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:48,298 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:01:48,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:48,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1936357063, now seen corresponding path program 2 times [2024-11-19 10:01:48,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:48,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458890866] [2024-11-19 10:01:48,299 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:01:48,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:48,317 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:01:48,317 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:01:48,380 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-19 10:01:48,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:48,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458890866] [2024-11-19 10:01:48,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458890866] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:01:48,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094525601] [2024-11-19 10:01:48,382 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:01:48,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:48,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:01:48,384 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) [2024-11-19 10:01:48,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 10:01:48,438 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:01:48,438 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:01:48,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:01:48,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:01:48,464 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-19 10:01:48,464 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:01:48,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1094525601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:01:48,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:01:48,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-19 10:01:48,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103946022] [2024-11-19 10:01:48,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:01:48,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:01:48,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:48,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:01:48,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:01:48,466 INFO L87 Difference]: Start difference. First operand 57 states and 66 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:48,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:48,487 INFO L93 Difference]: Finished difference Result 57 states and 66 transitions. [2024-11-19 10:01:48,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:01:48,488 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2024-11-19 10:01:48,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:48,488 INFO L225 Difference]: With dead ends: 57 [2024-11-19 10:01:48,488 INFO L226 Difference]: Without dead ends: 56 [2024-11-19 10:01:48,489 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:01:48,490 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 9 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:48,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 189 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:01:48,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-19 10:01:48,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-11-19 10:01:48,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 52 states have internal predecessors, (60), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:01:48,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 65 transitions. [2024-11-19 10:01:48,496 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 65 transitions. Word has length 26 [2024-11-19 10:01:48,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:48,499 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 65 transitions. [2024-11-19 10:01:48,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:48,499 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 65 transitions. [2024-11-19 10:01:48,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-19 10:01:48,499 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:48,499 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:48,516 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 10:01:48,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:48,700 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:01:48,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:48,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1162981529, now seen corresponding path program 1 times [2024-11-19 10:01:48,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:48,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257499180] [2024-11-19 10:01:48,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:48,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:48,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:48,762 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-19 10:01:48,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:48,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257499180] [2024-11-19 10:01:48,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257499180] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:01:48,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1912240150] [2024-11-19 10:01:48,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:48,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:48,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:01:48,777 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) [2024-11-19 10:01:48,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 10:01:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:48,831 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 10:01:48,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:01:48,863 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-19 10:01:48,863 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:01:48,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1912240150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:01:48,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:01:48,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2024-11-19 10:01:48,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642884104] [2024-11-19 10:01:48,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:01:48,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:01:48,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:48,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:01:48,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:01:48,865 INFO L87 Difference]: Start difference. First operand 56 states and 65 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:01:48,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:48,880 INFO L93 Difference]: Finished difference Result 56 states and 65 transitions. [2024-11-19 10:01:48,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:01:48,881 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2024-11-19 10:01:48,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:48,881 INFO L225 Difference]: With dead ends: 56 [2024-11-19 10:01:48,882 INFO L226 Difference]: Without dead ends: 54 [2024-11-19 10:01:48,882 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:01:48,883 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 28 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:48,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 37 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:01:48,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-19 10:01:48,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-19 10:01:48,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 45 states have (on average 1.288888888888889) internal successors, (58), 50 states have internal predecessors, (58), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:01:48,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 63 transitions. [2024-11-19 10:01:48,890 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 63 transitions. Word has length 28 [2024-11-19 10:01:48,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:48,893 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 63 transitions. [2024-11-19 10:01:48,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:01:48,893 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 63 transitions. [2024-11-19 10:01:48,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-19 10:01:48,894 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:48,894 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:48,907 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-19 10:01:49,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:49,096 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:01:49,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:49,096 INFO L85 PathProgramCache]: Analyzing trace with hash -102473134, now seen corresponding path program 1 times [2024-11-19 10:01:49,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:49,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321272427] [2024-11-19 10:01:49,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:49,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:49,142 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-19 10:01:49,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:49,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321272427] [2024-11-19 10:01:49,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321272427] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:01:49,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131803058] [2024-11-19 10:01:49,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:49,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:49,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:01:49,145 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) [2024-11-19 10:01:49,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 10:01:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:49,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-19 10:01:49,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:01:49,291 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:01:49,291 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:01:49,378 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:01:49,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1131803058] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:01:49,378 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:01:49,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 11, 11] total 18 [2024-11-19 10:01:49,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533201529] [2024-11-19 10:01:49,378 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:01:49,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-19 10:01:49,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:49,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-19 10:01:49,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2024-11-19 10:01:49,379 INFO L87 Difference]: Start difference. First operand 54 states and 63 transitions. Second operand has 18 states, 18 states have (on average 3.0) internal successors, (54), 18 states have internal predecessors, (54), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:49,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:49,535 INFO L93 Difference]: Finished difference Result 141 states and 172 transitions. [2024-11-19 10:01:49,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 10:01:49,535 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.0) internal successors, (54), 18 states have internal predecessors, (54), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2024-11-19 10:01:49,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:49,537 INFO L225 Difference]: With dead ends: 141 [2024-11-19 10:01:49,537 INFO L226 Difference]: Without dead ends: 97 [2024-11-19 10:01:49,539 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 35 SyntacticMatches, 6 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2024-11-19 10:01:49,540 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 52 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:49,540 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 308 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:01:49,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-19 10:01:49,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 92. [2024-11-19 10:01:49,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 80 states have (on average 1.3) internal successors, (104), 85 states have internal predecessors, (104), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-19 10:01:49,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 115 transitions. [2024-11-19 10:01:49,545 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 115 transitions. Word has length 27 [2024-11-19 10:01:49,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:49,545 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 115 transitions. [2024-11-19 10:01:49,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.0) internal successors, (54), 18 states have internal predecessors, (54), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:49,546 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 115 transitions. [2024-11-19 10:01:49,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-19 10:01:49,546 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:49,546 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:49,560 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-19 10:01:49,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:49,747 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:01:49,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:49,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1118542876, now seen corresponding path program 1 times [2024-11-19 10:01:49,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:49,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669300626] [2024-11-19 10:01:49,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:49,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:49,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:49,785 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-19 10:01:49,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:49,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669300626] [2024-11-19 10:01:49,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669300626] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:01:49,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022624024] [2024-11-19 10:01:49,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:49,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:49,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:01:49,796 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) [2024-11-19 10:01:49,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-19 10:01:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:49,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 10:01:49,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:01:49,862 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-19 10:01:49,862 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:01:49,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2022624024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:01:49,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:01:49,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-19 10:01:49,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672962494] [2024-11-19 10:01:49,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:01:49,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:01:49,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:49,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:01:49,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:01:49,864 INFO L87 Difference]: Start difference. First operand 92 states and 115 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:01:49,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:49,878 INFO L93 Difference]: Finished difference Result 105 states and 132 transitions. [2024-11-19 10:01:49,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:01:49,878 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2024-11-19 10:01:49,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:49,879 INFO L225 Difference]: With dead ends: 105 [2024-11-19 10:01:49,879 INFO L226 Difference]: Without dead ends: 104 [2024-11-19 10:01:49,879 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:01:49,880 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 2 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:49,880 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 77 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:01:49,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-19 10:01:49,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 100. [2024-11-19 10:01:49,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 88 states have (on average 1.2840909090909092) internal successors, (113), 93 states have internal predecessors, (113), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-19 10:01:49,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 124 transitions. [2024-11-19 10:01:49,887 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 124 transitions. Word has length 31 [2024-11-19 10:01:49,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:49,887 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 124 transitions. [2024-11-19 10:01:49,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:01:49,887 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 124 transitions. [2024-11-19 10:01:49,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-19 10:01:49,888 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:49,888 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:49,900 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-19 10:01:50,088 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,SelfDestructingSolverStorable10 [2024-11-19 10:01:50,088 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:01:50,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:50,089 INFO L85 PathProgramCache]: Analyzing trace with hash 315090894, now seen corresponding path program 1 times [2024-11-19 10:01:50,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:50,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513938127] [2024-11-19 10:01:50,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:50,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:50,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:50,133 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-19 10:01:50,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:50,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513938127] [2024-11-19 10:01:50,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513938127] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:01:50,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [955042241] [2024-11-19 10:01:50,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:50,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:50,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:01:50,135 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) [2024-11-19 10:01:50,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-19 10:01:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:50,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 10:01:50,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:01:50,194 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-19 10:01:50,195 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:01:50,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [955042241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:01:50,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:01:50,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-19 10:01:50,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707301258] [2024-11-19 10:01:50,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:01:50,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:01:50,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:50,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:01:50,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:01:50,196 INFO L87 Difference]: Start difference. First operand 100 states and 124 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:01:50,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:50,224 INFO L93 Difference]: Finished difference Result 105 states and 130 transitions. [2024-11-19 10:01:50,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:01:50,225 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-11-19 10:01:50,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:50,225 INFO L225 Difference]: With dead ends: 105 [2024-11-19 10:01:50,225 INFO L226 Difference]: Without dead ends: 104 [2024-11-19 10:01:50,226 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:01:50,226 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 1 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:50,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 78 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:01:50,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-19 10:01:50,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 102. [2024-11-19 10:01:50,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 90 states have (on average 1.2777777777777777) internal successors, (115), 95 states have internal predecessors, (115), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-19 10:01:50,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 126 transitions. [2024-11-19 10:01:50,232 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 126 transitions. Word has length 32 [2024-11-19 10:01:50,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:50,232 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 126 transitions. [2024-11-19 10:01:50,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:01:50,233 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 126 transitions. [2024-11-19 10:01:50,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-19 10:01:50,233 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:50,233 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:50,247 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-19 10:01:50,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:50,434 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:01:50,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:50,435 INFO L85 PathProgramCache]: Analyzing trace with hash -2140325424, now seen corresponding path program 1 times [2024-11-19 10:01:50,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:50,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252520790] [2024-11-19 10:01:50,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:50,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:50,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:50,470 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-19 10:01:50,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:50,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252520790] [2024-11-19 10:01:50,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252520790] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:01:50,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606081614] [2024-11-19 10:01:50,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:50,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:50,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:01:50,472 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) [2024-11-19 10:01:50,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-19 10:01:50,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:50,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:01:50,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:01:50,547 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-19 10:01:50,547 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:01:50,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606081614] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:01:50,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:01:50,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2024-11-19 10:01:50,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741175133] [2024-11-19 10:01:50,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:01:50,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:01:50,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:50,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:01:50,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:01:50,549 INFO L87 Difference]: Start difference. First operand 102 states and 126 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:01:50,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:50,578 INFO L93 Difference]: Finished difference Result 135 states and 166 transitions. [2024-11-19 10:01:50,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:01:50,579 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 34 [2024-11-19 10:01:50,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:50,579 INFO L225 Difference]: With dead ends: 135 [2024-11-19 10:01:50,579 INFO L226 Difference]: Without dead ends: 102 [2024-11-19 10:01:50,580 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:01:50,580 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 44 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:50,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 62 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:01:50,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-19 10:01:50,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2024-11-19 10:01:50,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 90 states have (on average 1.2555555555555555) internal successors, (113), 95 states have internal predecessors, (113), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-19 10:01:50,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 124 transitions. [2024-11-19 10:01:50,585 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 124 transitions. Word has length 34 [2024-11-19 10:01:50,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:50,585 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 124 transitions. [2024-11-19 10:01:50,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:01:50,585 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 124 transitions. [2024-11-19 10:01:50,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-19 10:01:50,586 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:50,586 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:50,599 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-19 10:01:50,786 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,SelfDestructingSolverStorable12 [2024-11-19 10:01:50,786 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:01:50,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:50,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1491992611, now seen corresponding path program 2 times [2024-11-19 10:01:50,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:50,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725004858] [2024-11-19 10:01:50,787 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:01:50,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:50,793 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 10:01:50,793 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:01:50,817 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-19 10:01:50,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:50,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725004858] [2024-11-19 10:01:50,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725004858] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:01:50,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722753410] [2024-11-19 10:01:50,818 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:01:50,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:50,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:01:50,819 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) [2024-11-19 10:01:50,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-19 10:01:50,865 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 10:01:50,865 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:01:50,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:01:50,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:01:50,901 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-19 10:01:50,902 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:01:50,949 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-19 10:01:50,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [722753410] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:01:50,949 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:01:50,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2024-11-19 10:01:50,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392428417] [2024-11-19 10:01:50,950 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:01:50,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:01:50,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:50,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:01:50,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:01:50,950 INFO L87 Difference]: Start difference. First operand 102 states and 124 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:50,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:50,981 INFO L93 Difference]: Finished difference Result 102 states and 124 transitions. [2024-11-19 10:01:50,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:01:50,981 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2024-11-19 10:01:50,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:50,982 INFO L225 Difference]: With dead ends: 102 [2024-11-19 10:01:50,982 INFO L226 Difference]: Without dead ends: 97 [2024-11-19 10:01:50,983 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 71 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:01:50,983 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 33 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:50,983 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 89 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:01:50,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-19 10:01:50,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 76. [2024-11-19 10:01:50,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 66 states have (on average 1.2121212121212122) internal successors, (80), 70 states have internal predecessors, (80), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-19 10:01:50,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 90 transitions. [2024-11-19 10:01:50,988 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 90 transitions. Word has length 37 [2024-11-19 10:01:50,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:50,989 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 90 transitions. [2024-11-19 10:01:50,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:50,989 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 90 transitions. [2024-11-19 10:01:50,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-19 10:01:50,990 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:50,990 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:51,003 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-19 10:01:51,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-19 10:01:51,191 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:01:51,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:51,191 INFO L85 PathProgramCache]: Analyzing trace with hash -569571024, now seen corresponding path program 1 times [2024-11-19 10:01:51,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:51,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50329688] [2024-11-19 10:01:51,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:51,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:51,259 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-19 10:01:51,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:51,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50329688] [2024-11-19 10:01:51,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50329688] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:01:51,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:01:51,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:01:51,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975978718] [2024-11-19 10:01:51,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:01:51,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:01:51,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:51,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:01:51,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:01:51,260 INFO L87 Difference]: Start difference. First operand 76 states and 90 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:01:51,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:51,277 INFO L93 Difference]: Finished difference Result 81 states and 95 transitions. [2024-11-19 10:01:51,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:01:51,277 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 46 [2024-11-19 10:01:51,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:51,278 INFO L225 Difference]: With dead ends: 81 [2024-11-19 10:01:51,278 INFO L226 Difference]: Without dead ends: 79 [2024-11-19 10:01:51,278 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:01:51,279 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 1 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:51,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 98 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:01:51,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-19 10:01:51,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2024-11-19 10:01:51,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 69 states have (on average 1.2028985507246377) internal successors, (83), 73 states have internal predecessors, (83), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-19 10:01:51,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 93 transitions. [2024-11-19 10:01:51,282 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 93 transitions. Word has length 46 [2024-11-19 10:01:51,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:51,282 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 93 transitions. [2024-11-19 10:01:51,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:01:51,283 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 93 transitions. [2024-11-19 10:01:51,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-19 10:01:51,283 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:51,283 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:51,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 10:01:51,283 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:01:51,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:51,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1779423900, now seen corresponding path program 1 times [2024-11-19 10:01:51,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:51,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773257776] [2024-11-19 10:01:51,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:51,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:51,336 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-19 10:01:51,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:51,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773257776] [2024-11-19 10:01:51,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773257776] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:01:51,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [428587272] [2024-11-19 10:01:51,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:51,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:51,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:01:51,338 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:01:51,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-19 10:01:51,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:51,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:01:51,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:01:51,411 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-19 10:01:51,411 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:01:51,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [428587272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:01:51,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:01:51,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-19 10:01:51,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285558061] [2024-11-19 10:01:51,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:01:51,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:01:51,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:51,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:01:51,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:01:51,412 INFO L87 Difference]: Start difference. First operand 79 states and 93 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:01:51,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:51,426 INFO L93 Difference]: Finished difference Result 79 states and 93 transitions. [2024-11-19 10:01:51,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:01:51,426 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 51 [2024-11-19 10:01:51,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:51,427 INFO L225 Difference]: With dead ends: 79 [2024-11-19 10:01:51,427 INFO L226 Difference]: Without dead ends: 77 [2024-11-19 10:01:51,427 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:01:51,428 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 2 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:51,428 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 88 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:01:51,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-19 10:01:51,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-11-19 10:01:51,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 69 states have (on average 1.173913043478261) internal successors, (81), 71 states have internal predecessors, (81), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-19 10:01:51,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 91 transitions. [2024-11-19 10:01:51,431 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 91 transitions. Word has length 51 [2024-11-19 10:01:51,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:51,432 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 91 transitions. [2024-11-19 10:01:51,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:01:51,432 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 91 transitions. [2024-11-19 10:01:51,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-19 10:01:51,432 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:51,433 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:51,445 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-19 10:01:51,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-19 10:01:51,633 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:01:51,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:51,634 INFO L85 PathProgramCache]: Analyzing trace with hash 672434054, now seen corresponding path program 1 times [2024-11-19 10:01:51,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:51,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750255842] [2024-11-19 10:01:51,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:51,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:51,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:51,694 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-19 10:01:51,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:51,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750255842] [2024-11-19 10:01:51,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750255842] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:01:51,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1601517281] [2024-11-19 10:01:51,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:51,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:51,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:01:51,696 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:01:51,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-19 10:01:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:51,756 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:01:51,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:01:51,787 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-19 10:01:51,788 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:01:51,829 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-19 10:01:51,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1601517281] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:01:51,829 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:01:51,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-19 10:01:51,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686931240] [2024-11-19 10:01:51,830 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:01:51,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:01:51,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:51,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:01:51,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:01:51,831 INFO L87 Difference]: Start difference. First operand 77 states and 91 transitions. Second operand has 10 states, 9 states have (on average 6.333333333333333) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:01:51,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:51,861 INFO L93 Difference]: Finished difference Result 92 states and 107 transitions. [2024-11-19 10:01:51,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:01:51,862 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.333333333333333) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 52 [2024-11-19 10:01:51,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:51,863 INFO L225 Difference]: With dead ends: 92 [2024-11-19 10:01:51,863 INFO L226 Difference]: Without dead ends: 90 [2024-11-19 10:01:51,863 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:01:51,864 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 2 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:51,864 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 156 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:01:51,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-19 10:01:51,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2024-11-19 10:01:51,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 82 states have (on average 1.146341463414634) internal successors, (94), 84 states have internal predecessors, (94), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-19 10:01:51,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2024-11-19 10:01:51,870 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 52 [2024-11-19 10:01:51,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:51,871 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2024-11-19 10:01:51,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.333333333333333) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:01:51,872 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2024-11-19 10:01:51,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-19 10:01:51,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:51,872 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:51,885 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-19 10:01:52,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-19 10:01:52,073 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:01:52,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:52,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1784546960, now seen corresponding path program 1 times [2024-11-19 10:01:52,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:52,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414726627] [2024-11-19 10:01:52,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:01:52,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:01:52,125 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-19 10:01:52,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:52,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414726627] [2024-11-19 10:01:52,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414726627] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:01:52,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:01:52,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:01:52,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445528496] [2024-11-19 10:01:52,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:01:52,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:01:52,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:52,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:01:52,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:01:52,126 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:01:52,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:52,140 INFO L93 Difference]: Finished difference Result 90 states and 104 transitions. [2024-11-19 10:01:52,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:01:52,141 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 63 [2024-11-19 10:01:52,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:52,141 INFO L225 Difference]: With dead ends: 90 [2024-11-19 10:01:52,141 INFO L226 Difference]: Without dead ends: 89 [2024-11-19 10:01:52,142 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:01:52,142 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 4 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:52,142 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 92 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:01:52,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-19 10:01:52,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-11-19 10:01:52,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 82 states have (on average 1.1341463414634145) internal successors, (93), 83 states have internal predecessors, (93), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-19 10:01:52,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 103 transitions. [2024-11-19 10:01:52,147 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 103 transitions. Word has length 63 [2024-11-19 10:01:52,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:52,148 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 103 transitions. [2024-11-19 10:01:52,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:01:52,148 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 103 transitions. [2024-11-19 10:01:52,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-19 10:01:52,148 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:01:52,148 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:52,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 10:01:52,148 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:01:52,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:01:52,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1734873034, now seen corresponding path program 2 times [2024-11-19 10:01:52,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:01:52,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668229302] [2024-11-19 10:01:52,149 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:01:52,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:01:52,156 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 10:01:52,157 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:01:52,188 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-19 10:01:52,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:01:52,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668229302] [2024-11-19 10:01:52,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668229302] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:01:52,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404375968] [2024-11-19 10:01:52,188 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:01:52,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:52,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:01:52,190 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:01:52,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-19 10:01:52,246 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 10:01:52,247 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:01:52,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:01:52,250 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:01:52,318 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-19 10:01:52,319 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:01:52,372 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-19 10:01:52,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [404375968] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:01:52,373 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:01:52,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-19 10:01:52,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182177154] [2024-11-19 10:01:52,373 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:01:52,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:01:52,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:01:52,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:01:52,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:01:52,374 INFO L87 Difference]: Start difference. First operand 89 states and 103 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-19 10:01:52,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:01:52,397 INFO L93 Difference]: Finished difference Result 89 states and 103 transitions. [2024-11-19 10:01:52,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:01:52,397 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 68 [2024-11-19 10:01:52,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:01:52,397 INFO L225 Difference]: With dead ends: 89 [2024-11-19 10:01:52,397 INFO L226 Difference]: Without dead ends: 0 [2024-11-19 10:01:52,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:01:52,398 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 10 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:01:52,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 49 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:01:52,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-19 10:01:52,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-19 10:01:52,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:01:52,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-19 10:01:52,399 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2024-11-19 10:01:52,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:01:52,399 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 10:01:52,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-19 10:01:52,399 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-19 10:01:52,399 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-19 10:01:52,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location borErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2024-11-19 10:01:52,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location borErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2024-11-19 10:01:52,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2024-11-19 10:01:52,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2024-11-19 10:01:52,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2024-11-19 10:01:52,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2024-11-19 10:01:52,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2024-11-19 10:01:52,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2024-11-19 10:01:52,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2024-11-19 10:01:52,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2024-11-19 10:01:52,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2024-11-19 10:01:52,403 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2024-11-19 10:01:52,417 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-19 10:01:52,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:01:52,607 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:01:52,608 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-19 10:01:52,762 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 10:01:52,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 10:01:52 BoogieIcfgContainer [2024-11-19 10:01:52,780 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 10:01:52,781 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 10:01:52,781 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 10:01:52,781 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 10:01:52,781 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:01:45" (3/4) ... [2024-11-19 10:01:52,783 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 10:01:52,786 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bor [2024-11-19 10:01:52,790 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2024-11-19 10:01:52,792 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-19 10:01:52,792 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-19 10:01:52,792 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 10:01:52,869 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 10:01:52,869 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 10:01:52,869 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 10:01:52,870 INFO L158 Benchmark]: Toolchain (without parser) took 7944.58ms. Allocated memory was 161.5MB in the beginning and 232.8MB in the end (delta: 71.3MB). Free memory was 94.5MB in the beginning and 85.0MB in the end (delta: 9.6MB). Peak memory consumption was 82.8MB. Max. memory is 16.1GB. [2024-11-19 10:01:52,870 INFO L158 Benchmark]: CDTParser took 0.84ms. Allocated memory is still 161.5MB. Free memory is still 118.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 10:01:52,870 INFO L158 Benchmark]: CACSL2BoogieTranslator took 245.94ms. Allocated memory is still 161.5MB. Free memory was 94.4MB in the beginning and 81.6MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 10:01:52,870 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.77ms. Allocated memory is still 161.5MB. Free memory was 81.6MB in the beginning and 133.7MB in the end (delta: -52.1MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2024-11-19 10:01:52,870 INFO L158 Benchmark]: Boogie Preprocessor took 32.61ms. Allocated memory is still 161.5MB. Free memory was 133.7MB in the beginning and 132.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 10:01:52,871 INFO L158 Benchmark]: RCFGBuilder took 334.96ms. Allocated memory is still 161.5MB. Free memory was 132.0MB in the beginning and 115.8MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-19 10:01:52,871 INFO L158 Benchmark]: TraceAbstraction took 7186.56ms. Allocated memory was 161.5MB in the beginning and 232.8MB in the end (delta: 71.3MB). Free memory was 115.2MB in the beginning and 90.2MB in the end (delta: 25.0MB). Peak memory consumption was 95.5MB. Max. memory is 16.1GB. [2024-11-19 10:01:52,871 INFO L158 Benchmark]: Witness Printer took 88.61ms. Allocated memory is still 232.8MB. Free memory was 90.2MB in the beginning and 85.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-19 10:01:52,872 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84ms. Allocated memory is still 161.5MB. Free memory is still 118.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 245.94ms. Allocated memory is still 161.5MB. Free memory was 94.4MB in the beginning and 81.6MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.77ms. Allocated memory is still 161.5MB. Free memory was 81.6MB in the beginning and 133.7MB in the end (delta: -52.1MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.61ms. Allocated memory is still 161.5MB. Free memory was 133.7MB in the beginning and 132.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 334.96ms. Allocated memory is still 161.5MB. Free memory was 132.0MB in the beginning and 115.8MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7186.56ms. Allocated memory was 161.5MB in the beginning and 232.8MB in the end (delta: 71.3MB). Free memory was 115.2MB in the beginning and 90.2MB in the end (delta: 25.0MB). Peak memory consumption was 95.5MB. Max. memory is 16.1GB. * Witness Printer took 88.61ms. Allocated memory is still 232.8MB. Free memory was 90.2MB in the beginning and 85.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 57 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 7.0s, OverallIterations: 19, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 240 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 240 mSDsluCounter, 2403 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1642 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 785 IncrementalHoareTripleChecker+Invalid, 809 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 761 mSDtfsCounter, 785 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 758 GetRequests, 644 SyntacticMatches, 13 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=102occurred in iteration=12, InterpolantAutomatonStates: 100, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 19 MinimizatonAttempts, 43 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1047 NumberOfCodeBlocks, 865 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1247 ConstructedInterpolants, 0 QuantifiedInterpolants, 2611 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1655 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 40 InterpolantComputations, 12 PerfectInterpolantSequences, 616/776 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: ((((N <= 2147483647) && ((1 == i) || (2 <= i))) && (((2 == i) || (1 == i)) || (2 < N))) && (2 <= N)) - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: ((((N <= 2147483647) && (i == 0)) && (2 <= N)) || (((N <= 2147483647) && (1 <= i)) && (2 <= N))) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: null - ProcedureContractResult [Line: 19]: Procedure Contract for bor Derived contract for procedure bor. Requires: ((N <= 2147483647) && (2 <= N)) Ensures: (((N <= 2147483647) && (2 <= N)) && (N == \old(N))) RESULT: Ultimate proved your program to be correct! [2024-11-19 10:01:52,893 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE