./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo3-ll2_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo3-ll2_unwindbound1.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 91c207b4b9ec9497b682edea4de56d410c70b882e6c03e91b56844bba1af20ff --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 20:54:12,118 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 20:54:12,198 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 20:54:12,202 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 20:54:12,203 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 20:54:12,230 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 20:54:12,230 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 20:54:12,231 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 20:54:12,232 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 20:54:12,233 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 20:54:12,234 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 20:54:12,234 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 20:54:12,234 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 20:54:12,235 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 20:54:12,236 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 20:54:12,237 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 20:54:12,237 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 20:54:12,237 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 20:54:12,237 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 20:54:12,238 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 20:54:12,238 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 20:54:12,241 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 20:54:12,241 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 20:54:12,241 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 20:54:12,241 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 20:54:12,242 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 20:54:12,242 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 20:54:12,242 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 20:54:12,242 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 20:54:12,243 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 20:54:12,243 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 20:54:12,243 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 20:54:12,243 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 20:54:12,243 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 20:54:12,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:54:12,244 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 20:54:12,244 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 20:54:12,244 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 20:54:12,245 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 20:54:12,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 20:54:12,245 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 20:54:12,246 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 20:54:12,246 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 20:54:12,247 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 20:54:12,247 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91c207b4b9ec9497b682edea4de56d410c70b882e6c03e91b56844bba1af20ff [2024-10-11 20:54:12,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 20:54:12,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 20:54:12,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 20:54:12,521 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 20:54:12,522 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 20:54:12,523 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo3-ll2_unwindbound1.c [2024-10-11 20:54:13,939 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 20:54:14,109 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 20:54:14,111 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo3-ll2_unwindbound1.c [2024-10-11 20:54:14,118 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/475955365/2d985db55dde47eb87d479084c6e1aba/FLAGc31afa50e [2024-10-11 20:54:14,133 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/475955365/2d985db55dde47eb87d479084c6e1aba [2024-10-11 20:54:14,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 20:54:14,137 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 20:54:14,140 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 20:54:14,140 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 20:54:14,146 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 20:54:14,146 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:54:14" (1/1) ... [2024-10-11 20:54:14,147 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8e3f1b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:54:14, skipping insertion in model container [2024-10-11 20:54:14,149 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:54:14" (1/1) ... [2024-10-11 20:54:14,166 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 20:54:14,382 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:54:14,393 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 20:54:14,415 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:54:14,435 INFO L204 MainTranslator]: Completed translation [2024-10-11 20:54:14,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:54:14 WrapperNode [2024-10-11 20:54:14,436 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 20:54:14,437 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 20:54:14,437 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 20:54:14,437 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 20:54:14,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:54:14" (1/1) ... [2024-10-11 20:54:14,453 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:54:14" (1/1) ... [2024-10-11 20:54:14,483 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 88 [2024-10-11 20:54:14,486 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 20:54:14,487 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 20:54:14,487 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 20:54:14,487 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 20:54:14,497 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:54:14" (1/1) ... [2024-10-11 20:54:14,498 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:54:14" (1/1) ... [2024-10-11 20:54:14,499 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:54:14" (1/1) ... [2024-10-11 20:54:14,515 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 20:54:14,517 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:54:14" (1/1) ... [2024-10-11 20:54:14,517 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:54:14" (1/1) ... [2024-10-11 20:54:14,521 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:54:14" (1/1) ... [2024-10-11 20:54:14,527 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:54:14" (1/1) ... [2024-10-11 20:54:14,529 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:54:14" (1/1) ... [2024-10-11 20:54:14,530 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:54:14" (1/1) ... [2024-10-11 20:54:14,535 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 20:54:14,536 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 20:54:14,536 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 20:54:14,536 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 20:54:14,537 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:54:14" (1/1) ... [2024-10-11 20:54:14,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:54:14,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:54:14,571 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 20:54:14,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 20:54:14,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 20:54:14,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 20:54:14,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 20:54:14,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 20:54:14,619 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 20:54:14,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 20:54:14,684 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 20:54:14,686 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 20:54:15,138 INFO L? ?]: Removed 85 outVars from TransFormulas that were not future-live. [2024-10-11 20:54:15,138 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 20:54:15,178 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 20:54:15,179 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 20:54:15,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:54:15 BoogieIcfgContainer [2024-10-11 20:54:15,179 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 20:54:15,181 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 20:54:15,182 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 20:54:15,185 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 20:54:15,185 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 08:54:14" (1/3) ... [2024-10-11 20:54:15,186 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@914eea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:54:15, skipping insertion in model container [2024-10-11 20:54:15,186 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:54:14" (2/3) ... [2024-10-11 20:54:15,187 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@914eea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:54:15, skipping insertion in model container [2024-10-11 20:54:15,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:54:15" (3/3) ... [2024-10-11 20:54:15,189 INFO L112 eAbstractionObserver]: Analyzing ICFG geo3-ll2_unwindbound1.c [2024-10-11 20:54:15,207 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 20:54:15,207 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2024-10-11 20:54:15,281 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 20:54:15,289 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;@405e428d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 20:54:15,290 INFO L334 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2024-10-11 20:54:15,294 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 40 states have (on average 1.9) internal successors, (76), 72 states have internal predecessors, (76), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:54:15,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-10-11 20:54:15,301 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:54:15,302 INFO L215 NwaCegarLoop]: trace histogram [1, 1] [2024-10-11 20:54:15,304 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-10-11 20:54:15,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:54:15,310 INFO L85 PathProgramCache]: Analyzing trace with hash 4312, now seen corresponding path program 1 times [2024-10-11 20:54:15,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:54:15,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414168649] [2024-10-11 20:54:15,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:54:15,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:54:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:54:15,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [875079579] [2024-10-11 20:54:15,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:54:15,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:54:15,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:54:15,451 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:54:15,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 20:54:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:54:15,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:54:15,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:54:15,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:54:15,575 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:54:15,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:54:15,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414168649] [2024-10-11 20:54:15,576 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:54:15,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875079579] [2024-10-11 20:54:15,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [875079579] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:54:15,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:54:15,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-11 20:54:15,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942996020] [2024-10-11 20:54:15,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:54:15,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:54:15,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:54:15,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:54:15,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:54:15,604 INFO L87 Difference]: Start difference. First operand has 76 states, 40 states have (on average 1.9) internal successors, (76), 72 states have internal predecessors, (76), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2024-10-11 20:54:15,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:54:15,776 INFO L93 Difference]: Finished difference Result 147 states and 157 transitions. [2024-10-11 20:54:15,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:54:15,778 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 2 [2024-10-11 20:54:15,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:54:15,785 INFO L225 Difference]: With dead ends: 147 [2024-10-11 20:54:15,786 INFO L226 Difference]: Without dead ends: 71 [2024-10-11 20:54:15,790 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:54:15,794 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 45 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:54:15,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 33 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:54:15,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-10-11 20:54:15,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-10-11 20:54:15,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 39 states have (on average 1.794871794871795) internal successors, (70), 68 states have internal predecessors, (70), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 20:54:15,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 72 transitions. [2024-10-11 20:54:15,829 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 72 transitions. Word has length 2 [2024-10-11 20:54:15,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:54:15,829 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 72 transitions. [2024-10-11 20:54:15,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2024-10-11 20:54:15,830 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 72 transitions. [2024-10-11 20:54:15,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-11 20:54:15,830 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:54:15,830 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-11 20:54:15,845 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-11 20:54:16,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-10-11 20:54:16,032 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-10-11 20:54:16,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:54:16,033 INFO L85 PathProgramCache]: Analyzing trace with hash 128494702, now seen corresponding path program 1 times [2024-10-11 20:54:16,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:54:16,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465480906] [2024-10-11 20:54:16,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:54:16,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:54:16,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:54:16,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:54:16,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:54:16,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465480906] [2024-10-11 20:54:16,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465480906] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:54:16,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:54:16,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:54:16,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461131331] [2024-10-11 20:54:16,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:54:16,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:54:16,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:54:16,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:54:16,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:54:16,157 INFO L87 Difference]: Start difference. First operand 71 states and 72 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:54:16,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:54:16,203 INFO L93 Difference]: Finished difference Result 97 states and 98 transitions. [2024-10-11 20:54:16,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:54:16,204 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-11 20:54:16,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:54:16,205 INFO L225 Difference]: With dead ends: 97 [2024-10-11 20:54:16,205 INFO L226 Difference]: Without dead ends: 75 [2024-10-11 20:54:16,206 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:54:16,207 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 4 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:54:16,207 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 197 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:54:16,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-10-11 20:54:16,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2024-10-11 20:54:16,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 43 states have (on average 1.7209302325581395) internal successors, (74), 72 states have internal predecessors, (74), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 20:54:16,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 76 transitions. [2024-10-11 20:54:16,220 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 76 transitions. Word has length 5 [2024-10-11 20:54:16,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:54:16,220 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 76 transitions. [2024-10-11 20:54:16,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:54:16,221 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 76 transitions. [2024-10-11 20:54:16,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-11 20:54:16,222 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:54:16,222 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:54:16,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 20:54:16,223 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-10-11 20:54:16,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:54:16,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1169851393, now seen corresponding path program 1 times [2024-10-11 20:54:16,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:54:16,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925439868] [2024-10-11 20:54:16,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:54:16,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:54:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:54:16,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [221610538] [2024-10-11 20:54:16,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:54:16,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:54:16,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:54:16,247 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:54:16,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 20:54:16,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:54:16,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:54:16,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:54:16,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:54:16,329 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:54:16,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:54:16,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925439868] [2024-10-11 20:54:16,329 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:54:16,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221610538] [2024-10-11 20:54:16,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221610538] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:54:16,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:54:16,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:54:16,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873004087] [2024-10-11 20:54:16,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:54:16,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:54:16,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:54:16,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:54:16,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:54:16,332 INFO L87 Difference]: Start difference. First operand 75 states and 76 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-10-11 20:54:16,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:54:16,504 INFO L93 Difference]: Finished difference Result 114 states and 133 transitions. [2024-10-11 20:54:16,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:54:16,504 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2024-10-11 20:54:16,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:54:16,506 INFO L225 Difference]: With dead ends: 114 [2024-10-11 20:54:16,506 INFO L226 Difference]: Without dead ends: 109 [2024-10-11 20:54:16,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:54:16,507 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 100 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:54:16,507 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 72 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:54:16,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-10-11 20:54:16,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 92. [2024-10-11 20:54:16,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 60 states have (on average 1.7) internal successors, (102), 88 states have internal predecessors, (102), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:54:16,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 106 transitions. [2024-10-11 20:54:16,520 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 106 transitions. Word has length 8 [2024-10-11 20:54:16,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:54:16,521 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 106 transitions. [2024-10-11 20:54:16,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-10-11 20:54:16,521 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 106 transitions. [2024-10-11 20:54:16,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-11 20:54:16,522 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:54:16,522 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:54:16,539 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 20:54:16,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:54:16,727 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-10-11 20:54:16,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:54:16,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1905654869, now seen corresponding path program 1 times [2024-10-11 20:54:16,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:54:16,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504038670] [2024-10-11 20:54:16,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:54:16,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:54:16,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:54:16,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1989130099] [2024-10-11 20:54:16,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:54:16,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:54:16,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:54:16,745 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:54:16,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 20:54:16,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:54:16,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:54:16,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:54:16,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:54:16,995 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:54:16,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:54:16,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504038670] [2024-10-11 20:54:16,995 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:54:16,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989130099] [2024-10-11 20:54:16,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989130099] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:54:16,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:54:16,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:54:16,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346335439] [2024-10-11 20:54:16,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:54:16,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:54:16,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:54:16,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:54:16,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:54:16,998 INFO L87 Difference]: Start difference. First operand 92 states and 106 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-10-11 20:54:17,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:54:17,570 INFO L93 Difference]: Finished difference Result 114 states and 128 transitions. [2024-10-11 20:54:17,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:54:17,573 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2024-10-11 20:54:17,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:54:17,574 INFO L225 Difference]: With dead ends: 114 [2024-10-11 20:54:17,574 INFO L226 Difference]: Without dead ends: 109 [2024-10-11 20:54:17,574 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:54:17,575 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 98 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:54:17,575 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 74 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:54:17,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-10-11 20:54:17,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 93. [2024-10-11 20:54:17,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 62 states have (on average 1.6129032258064515) internal successors, (100), 89 states have internal predecessors, (100), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:54:17,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 104 transitions. [2024-10-11 20:54:17,590 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 104 transitions. Word has length 9 [2024-10-11 20:54:17,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:54:17,591 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 104 transitions. [2024-10-11 20:54:17,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-10-11 20:54:17,591 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 104 transitions. [2024-10-11 20:54:17,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-11 20:54:17,592 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:54:17,592 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:54:17,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-11 20:54:17,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:54:17,797 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-10-11 20:54:17,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:54:17,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1054241149, now seen corresponding path program 1 times [2024-10-11 20:54:17,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:54:17,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76142628] [2024-10-11 20:54:17,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:54:17,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:54:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:54:17,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1688558505] [2024-10-11 20:54:17,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:54:17,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:54:17,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:54:17,813 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:54:17,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 20:54:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:54:17,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:54:17,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:54:17,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:54:17,956 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:54:17,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:54:17,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76142628] [2024-10-11 20:54:17,957 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:54:17,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688558505] [2024-10-11 20:54:17,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1688558505] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:54:17,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:54:17,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-11 20:54:17,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567976735] [2024-10-11 20:54:17,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:54:17,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:54:17,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:54:17,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:54:17,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:54:17,959 INFO L87 Difference]: Start difference. First operand 93 states and 104 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 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) [2024-10-11 20:54:18,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:54:18,051 INFO L93 Difference]: Finished difference Result 113 states and 121 transitions. [2024-10-11 20:54:18,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:54:18,051 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 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 [2024-10-11 20:54:18,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:54:18,052 INFO L225 Difference]: With dead ends: 113 [2024-10-11 20:54:18,053 INFO L226 Difference]: Without dead ends: 109 [2024-10-11 20:54:18,053 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:54:18,054 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 30 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:54:18,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 68 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:54:18,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-10-11 20:54:18,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 93. [2024-10-11 20:54:18,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 62 states have (on average 1.5483870967741935) internal successors, (96), 89 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:54:18,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 100 transitions. [2024-10-11 20:54:18,062 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 100 transitions. Word has length 10 [2024-10-11 20:54:18,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:54:18,063 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 100 transitions. [2024-10-11 20:54:18,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 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) [2024-10-11 20:54:18,063 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 100 transitions. [2024-10-11 20:54:18,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-11 20:54:18,064 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:54:18,064 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:54:18,079 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-11 20:54:18,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:54:18,265 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-10-11 20:54:18,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:54:18,265 INFO L85 PathProgramCache]: Analyzing trace with hash -586949753, now seen corresponding path program 1 times [2024-10-11 20:54:18,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:54:18,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050540137] [2024-10-11 20:54:18,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:54:18,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:54:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:54:18,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [554521128] [2024-10-11 20:54:18,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:54:18,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:54:18,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:54:18,280 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:54:18,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 20:54:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:54:18,326 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:54:18,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:54:18,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:54:18,674 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:54:18,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:54:18,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050540137] [2024-10-11 20:54:18,675 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:54:18,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554521128] [2024-10-11 20:54:18,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [554521128] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:54:18,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:54:18,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:54:18,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776413883] [2024-10-11 20:54:18,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:54:18,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:54:18,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:54:18,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:54:18,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:54:18,677 INFO L87 Difference]: Start difference. First operand 93 states and 100 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:54:19,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:54:19,262 INFO L93 Difference]: Finished difference Result 111 states and 121 transitions. [2024-10-11 20:54:19,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:54:19,263 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-10-11 20:54:19,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:54:19,264 INFO L225 Difference]: With dead ends: 111 [2024-10-11 20:54:19,264 INFO L226 Difference]: Without dead ends: 109 [2024-10-11 20:54:19,264 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:54:19,265 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 61 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:54:19,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 146 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:54:19,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-10-11 20:54:19,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 94. [2024-10-11 20:54:19,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 63 states have (on average 1.5238095238095237) internal successors, (96), 90 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:54:19,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 100 transitions. [2024-10-11 20:54:19,281 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 100 transitions. Word has length 14 [2024-10-11 20:54:19,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:54:19,282 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 100 transitions. [2024-10-11 20:54:19,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:54:19,282 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 100 transitions. [2024-10-11 20:54:19,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-11 20:54:19,283 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:54:19,283 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:54:19,299 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 20:54:19,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:54:19,484 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-10-11 20:54:19,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:54:19,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1015573093, now seen corresponding path program 1 times [2024-10-11 20:54:19,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:54:19,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841339596] [2024-10-11 20:54:19,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:54:19,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:54:19,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:54:19,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [719086444] [2024-10-11 20:54:19,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:54:19,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:54:19,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:54:19,499 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:54:19,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 20:54:19,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:54:19,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:54:19,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:54:21,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:54:21,025 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:54:21,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:54:21,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841339596] [2024-10-11 20:54:21,026 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:54:21,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [719086444] [2024-10-11 20:54:21,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [719086444] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:54:21,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:54:21,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:54:21,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394588844] [2024-10-11 20:54:21,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:54:21,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:54:21,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:54:21,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:54:21,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-10-11 20:54:21,029 INFO L87 Difference]: Start difference. First operand 94 states and 100 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-11 20:54:22,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-10-11 20:54:22,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:54:22,279 INFO L93 Difference]: Finished difference Result 111 states and 119 transitions. [2024-10-11 20:54:22,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:54:22,280 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 15 [2024-10-11 20:54:22,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:54:22,281 INFO L225 Difference]: With dead ends: 111 [2024-10-11 20:54:22,281 INFO L226 Difference]: Without dead ends: 109 [2024-10-11 20:54:22,281 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-10-11 20:54:22,282 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 25 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:54:22,282 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 150 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 1 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 20:54:22,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-10-11 20:54:22,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 95. [2024-10-11 20:54:22,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 64 states have (on average 1.5) internal successors, (96), 91 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:54:22,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 100 transitions. [2024-10-11 20:54:22,296 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 100 transitions. Word has length 15 [2024-10-11 20:54:22,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:54:22,296 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 100 transitions. [2024-10-11 20:54:22,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-10-11 20:54:22,297 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 100 transitions. [2024-10-11 20:54:22,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-11 20:54:22,297 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:54:22,297 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:54:22,317 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 20:54:22,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-10-11 20:54:22,498 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-10-11 20:54:22,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:54:22,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1417994743, now seen corresponding path program 1 times [2024-10-11 20:54:22,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:54:22,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792736545] [2024-10-11 20:54:22,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:54:22,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:54:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:54:22,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [961913535] [2024-10-11 20:54:22,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:54:22,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:54:22,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:54:22,512 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:54:22,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 20:54:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:54:22,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:54:22,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:54:22,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:54:22,681 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:54:22,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:54:22,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792736545] [2024-10-11 20:54:22,682 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:54:22,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [961913535] [2024-10-11 20:54:22,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [961913535] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:54:22,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:54:22,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:54:22,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281465035] [2024-10-11 20:54:22,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:54:22,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:54:22,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:54:22,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:54:22,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:54:22,683 INFO L87 Difference]: Start difference. First operand 95 states and 100 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2024-10-11 20:54:22,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:54:22,863 INFO L93 Difference]: Finished difference Result 109 states and 113 transitions. [2024-10-11 20:54:22,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:54:22,864 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 16 [2024-10-11 20:54:22,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:54:22,864 INFO L225 Difference]: With dead ends: 109 [2024-10-11 20:54:22,864 INFO L226 Difference]: Without dead ends: 95 [2024-10-11 20:54:22,865 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:54:22,865 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 40 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:54:22,866 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 60 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:54:22,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-10-11 20:54:22,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 87. [2024-10-11 20:54:22,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 56 states have (on average 1.5178571428571428) internal successors, (85), 83 states have internal predecessors, (85), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:54:22,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 89 transitions. [2024-10-11 20:54:22,872 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 89 transitions. Word has length 16 [2024-10-11 20:54:22,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:54:22,872 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 89 transitions. [2024-10-11 20:54:22,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2024-10-11 20:54:22,872 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 89 transitions. [2024-10-11 20:54:22,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-11 20:54:22,873 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:54:22,873 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:54:22,889 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-11 20:54:23,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:54:23,074 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-10-11 20:54:23,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:54:23,074 INFO L85 PathProgramCache]: Analyzing trace with hash -185309451, now seen corresponding path program 1 times [2024-10-11 20:54:23,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:54:23,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607501182] [2024-10-11 20:54:23,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:54:23,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:54:23,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:54:23,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:54:23,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:54:23,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:54:23,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:54:23,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607501182] [2024-10-11 20:54:23,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607501182] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:54:23,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:54:23,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:54:23,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310759280] [2024-10-11 20:54:23,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:54:23,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:54:23,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:54:23,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:54:23,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:54:23,157 INFO L87 Difference]: Start difference. First operand 87 states and 89 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 20:54:23,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:54:23,173 INFO L93 Difference]: Finished difference Result 91 states and 93 transitions. [2024-10-11 20:54:23,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:54:23,173 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2024-10-11 20:54:23,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:54:23,174 INFO L225 Difference]: With dead ends: 91 [2024-10-11 20:54:23,174 INFO L226 Difference]: Without dead ends: 89 [2024-10-11 20:54:23,174 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 [2024-10-11 20:54:23,175 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 1 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:54:23,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 127 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:54:23,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-10-11 20:54:23,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-10-11 20:54:23,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 58 states have (on average 1.5) internal successors, (87), 85 states have internal predecessors, (87), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:54:23,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 91 transitions. [2024-10-11 20:54:23,184 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 91 transitions. Word has length 24 [2024-10-11 20:54:23,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:54:23,185 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 91 transitions. [2024-10-11 20:54:23,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 20:54:23,185 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 91 transitions. [2024-10-11 20:54:23,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-11 20:54:23,186 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:54:23,186 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:54:23,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 20:54:23,186 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-10-11 20:54:23,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:54:23,187 INFO L85 PathProgramCache]: Analyzing trace with hash 99844217, now seen corresponding path program 1 times [2024-10-11 20:54:23,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:54:23,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897538818] [2024-10-11 20:54:23,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:54:23,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:54:23,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:54:23,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [761345489] [2024-10-11 20:54:23,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:54:23,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:54:23,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:54:23,202 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:54:23,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-11 20:54:23,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:54:23,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-11 20:54:23,246 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:54:23,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:54:23,671 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:54:23,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:54:23,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897538818] [2024-10-11 20:54:23,671 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:54:23,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761345489] [2024-10-11 20:54:23,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [761345489] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:54:23,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:54:23,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 20:54:23,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127466156] [2024-10-11 20:54:23,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:54:23,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:54:23,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:54:23,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:54:23,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:54:23,674 INFO L87 Difference]: Start difference. First operand 89 states and 91 transitions. Second operand has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 20:54:24,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:54:24,090 INFO L93 Difference]: Finished difference Result 94 states and 97 transitions. [2024-10-11 20:54:24,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:54:24,092 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2024-10-11 20:54:24,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:54:24,092 INFO L225 Difference]: With dead ends: 94 [2024-10-11 20:54:24,093 INFO L226 Difference]: Without dead ends: 93 [2024-10-11 20:54:24,093 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:54:24,093 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 23 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:54:24,094 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 201 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:54:24,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-10-11 20:54:24,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 92. [2024-10-11 20:54:24,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 61 states have (on average 1.4754098360655739) internal successors, (90), 88 states have internal predecessors, (90), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:54:24,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 94 transitions. [2024-10-11 20:54:24,102 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 94 transitions. Word has length 28 [2024-10-11 20:54:24,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:54:24,103 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 94 transitions. [2024-10-11 20:54:24,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 20:54:24,103 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 94 transitions. [2024-10-11 20:54:24,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-11 20:54:24,104 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:54:24,104 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:54:24,120 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-11 20:54:24,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-11 20:54:24,305 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-10-11 20:54:24,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:54:24,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1199796481, now seen corresponding path program 1 times [2024-10-11 20:54:24,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:54:24,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786968507] [2024-10-11 20:54:24,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:54:24,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:54:24,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:54:24,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1937139755] [2024-10-11 20:54:24,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:54:24,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:54:24,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:54:24,321 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:54:24,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-11 20:54:24,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:54:24,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-11 20:54:24,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:54:24,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:54:24,784 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:54:24,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:54:24,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786968507] [2024-10-11 20:54:24,784 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:54:24,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1937139755] [2024-10-11 20:54:24,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1937139755] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:54:24,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:54:24,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 20:54:24,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716904171] [2024-10-11 20:54:24,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:54:24,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:54:24,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:54:24,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:54:24,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:54:24,786 INFO L87 Difference]: Start difference. First operand 92 states and 94 transitions. Second operand has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 20:54:25,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:54:25,231 INFO L93 Difference]: Finished difference Result 94 states and 96 transitions. [2024-10-11 20:54:25,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:54:25,231 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2024-10-11 20:54:25,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:54:25,233 INFO L225 Difference]: With dead ends: 94 [2024-10-11 20:54:25,233 INFO L226 Difference]: Without dead ends: 93 [2024-10-11 20:54:25,234 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:54:25,234 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 22 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:54:25,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 204 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:54:25,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-10-11 20:54:25,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-10-11 20:54:25,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 62 states have (on average 1.467741935483871) internal successors, (91), 89 states have internal predecessors, (91), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:54:25,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 95 transitions. [2024-10-11 20:54:25,245 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 95 transitions. Word has length 29 [2024-10-11 20:54:25,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:54:25,247 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 95 transitions. [2024-10-11 20:54:25,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 20:54:25,248 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 95 transitions. [2024-10-11 20:54:25,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-11 20:54:25,248 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:54:25,248 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:54:25,265 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-11 20:54:25,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:54:25,449 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-10-11 20:54:25,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:54:25,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1461014843, now seen corresponding path program 1 times [2024-10-11 20:54:25,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:54:25,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821807012] [2024-10-11 20:54:25,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:54:25,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:54:25,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:54:25,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2106154039] [2024-10-11 20:54:25,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:54:25,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:54:25,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:54:25,463 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:54:25,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-11 20:54:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:54:25,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:54:25,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:54:25,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:54:25,601 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:54:25,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:54:25,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821807012] [2024-10-11 20:54:25,601 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:54:25,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106154039] [2024-10-11 20:54:25,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2106154039] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:54:25,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:54:25,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:54:25,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366472874] [2024-10-11 20:54:25,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:54:25,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:54:25,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:54:25,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:54:25,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:54:25,603 INFO L87 Difference]: Start difference. First operand 93 states and 95 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 20:54:25,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:54:25,772 INFO L93 Difference]: Finished difference Result 96 states and 99 transitions. [2024-10-11 20:54:25,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:54:25,772 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2024-10-11 20:54:25,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:54:25,773 INFO L225 Difference]: With dead ends: 96 [2024-10-11 20:54:25,773 INFO L226 Difference]: Without dead ends: 95 [2024-10-11 20:54:25,773 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:54:25,774 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 1 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:54:25,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 68 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:54:25,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-10-11 20:54:25,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 94. [2024-10-11 20:54:25,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 63 states have (on average 1.4603174603174602) internal successors, (92), 90 states have internal predecessors, (92), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:54:25,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 96 transitions. [2024-10-11 20:54:25,779 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 96 transitions. Word has length 30 [2024-10-11 20:54:25,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:54:25,779 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 96 transitions. [2024-10-11 20:54:25,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 20:54:25,780 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 96 transitions. [2024-10-11 20:54:25,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-11 20:54:25,780 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:54:25,780 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:54:25,796 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-11 20:54:25,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-11 20:54:25,981 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-10-11 20:54:25,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:54:25,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1953180031, now seen corresponding path program 1 times [2024-10-11 20:54:25,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:54:25,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372262929] [2024-10-11 20:54:25,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:54:25,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:54:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:54:25,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1457825648] [2024-10-11 20:54:25,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:54:25,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:54:25,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:54:25,995 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:54:25,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-11 20:54:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:54:26,034 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:54:26,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:54:26,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:54:26,112 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:54:26,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:54:26,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372262929] [2024-10-11 20:54:26,113 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:54:26,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457825648] [2024-10-11 20:54:26,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1457825648] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:54:26,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:54:26,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:54:26,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397540596] [2024-10-11 20:54:26,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:54:26,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:54:26,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:54:26,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:54:26,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:54:26,115 INFO L87 Difference]: Start difference. First operand 94 states and 96 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 20:54:26,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:54:26,274 INFO L93 Difference]: Finished difference Result 96 states and 98 transitions. [2024-10-11 20:54:26,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:54:26,274 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2024-10-11 20:54:26,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:54:26,277 INFO L225 Difference]: With dead ends: 96 [2024-10-11 20:54:26,277 INFO L226 Difference]: Without dead ends: 95 [2024-10-11 20:54:26,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:54:26,277 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 0 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:54:26,278 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:54:26,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-10-11 20:54:26,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2024-10-11 20:54:26,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 64 states have (on average 1.453125) internal successors, (93), 91 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:54:26,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 97 transitions. [2024-10-11 20:54:26,284 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 97 transitions. Word has length 31 [2024-10-11 20:54:26,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:54:26,285 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 97 transitions. [2024-10-11 20:54:26,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 20:54:26,285 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 97 transitions. [2024-10-11 20:54:26,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-11 20:54:26,289 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:54:26,289 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:54:26,306 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-11 20:54:26,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-11 20:54:26,490 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-10-11 20:54:26,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:54:26,490 INFO L85 PathProgramCache]: Analyzing trace with hash -105300125, now seen corresponding path program 1 times [2024-10-11 20:54:26,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:54:26,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280124291] [2024-10-11 20:54:26,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:54:26,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:54:26,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:54:26,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:54:26,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:54:26,606 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:54:26,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:54:26,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280124291] [2024-10-11 20:54:26,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280124291] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:54:26,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585296787] [2024-10-11 20:54:26,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:54:26,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:54:26,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:54:26,615 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:54:26,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-11 20:54:26,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:54:26,656 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:54:26,657 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:54:26,724 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:54:26,724 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:54:26,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [585296787] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:54:26,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:54:26,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-10-11 20:54:26,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436801006] [2024-10-11 20:54:26,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:54:26,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:54:26,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:54:26,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:54:26,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:54:26,726 INFO L87 Difference]: Start difference. First operand 95 states and 97 transitions. Second operand has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 20:54:26,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:54:26,749 INFO L93 Difference]: Finished difference Result 95 states and 97 transitions. [2024-10-11 20:54:26,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:54:26,750 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 33 [2024-10-11 20:54:26,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:54:26,750 INFO L225 Difference]: With dead ends: 95 [2024-10-11 20:54:26,750 INFO L226 Difference]: Without dead ends: 94 [2024-10-11 20:54:26,751 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:54:26,751 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 45 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:54:26,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 124 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:54:26,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-10-11 20:54:26,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-10-11 20:54:26,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 64 states have (on average 1.4375) internal successors, (92), 90 states have internal predecessors, (92), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:54:26,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 96 transitions. [2024-10-11 20:54:26,757 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 96 transitions. Word has length 33 [2024-10-11 20:54:26,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:54:26,757 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 96 transitions. [2024-10-11 20:54:26,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 20:54:26,758 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 96 transitions. [2024-10-11 20:54:26,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-10-11 20:54:26,758 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:54:26,758 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:54:26,775 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-11 20:54:26,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-11 20:54:26,959 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-10-11 20:54:26,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:54:26,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1030663466, now seen corresponding path program 1 times [2024-10-11 20:54:26,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:54:26,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561981765] [2024-10-11 20:54:26,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:54:26,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:54:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:54:27,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 20:54:27,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:54:27,065 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:54:27,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:54:27,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561981765] [2024-10-11 20:54:27,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561981765] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:54:27,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780512282] [2024-10-11 20:54:27,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:54:27,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:54:27,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:54:27,067 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:54:27,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-11 20:54:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:54:27,102 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:54:27,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:54:27,153 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:54:27,153 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:54:27,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [780512282] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:54:27,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:54:27,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2024-10-11 20:54:27,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484602667] [2024-10-11 20:54:27,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:54:27,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:54:27,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:54:27,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:54:27,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:54:27,155 INFO L87 Difference]: Start difference. First operand 94 states and 96 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 20:54:27,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:54:27,191 INFO L93 Difference]: Finished difference Result 110 states and 111 transitions. [2024-10-11 20:54:27,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:54:27,192 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2024-10-11 20:54:27,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:54:27,192 INFO L225 Difference]: With dead ends: 110 [2024-10-11 20:54:27,193 INFO L226 Difference]: Without dead ends: 109 [2024-10-11 20:54:27,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:54:27,193 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 40 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:54:27,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 254 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:54:27,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-10-11 20:54:27,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 93. [2024-10-11 20:54:27,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 64 states have (on average 1.421875) internal successors, (91), 89 states have internal predecessors, (91), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 20:54:27,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 95 transitions. [2024-10-11 20:54:27,198 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 95 transitions. Word has length 34 [2024-10-11 20:54:27,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:54:27,198 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 95 transitions. [2024-10-11 20:54:27,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 20:54:27,198 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 95 transitions. [2024-10-11 20:54:27,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-10-11 20:54:27,198 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:54:27,199 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:54:27,218 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-11 20:54:27,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,14 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:54:27,401 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-10-11 20:54:27,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:54:27,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1669852965, now seen corresponding path program 1 times [2024-10-11 20:54:27,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:54:27,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553656879] [2024-10-11 20:54:27,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:54:27,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:54:27,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:54:27,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [205681666] [2024-10-11 20:54:27,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:54:27,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:54:27,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:54:27,417 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:54:27,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-11 20:54:27,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 20:54:27,564 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 20:54:27,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 20:54:27,652 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-11 20:54:27,652 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 20:54:27,653 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 32 remaining) [2024-10-11 20:54:27,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 32 remaining) [2024-10-11 20:54:27,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 32 remaining) [2024-10-11 20:54:27,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 32 remaining) [2024-10-11 20:54:27,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 32 remaining) [2024-10-11 20:54:27,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 32 remaining) [2024-10-11 20:54:27,660 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 32 remaining) [2024-10-11 20:54:27,660 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 32 remaining) [2024-10-11 20:54:27,660 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 32 remaining) [2024-10-11 20:54:27,660 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 32 remaining) [2024-10-11 20:54:27,660 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 32 remaining) [2024-10-11 20:54:27,660 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 32 remaining) [2024-10-11 20:54:27,661 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 32 remaining) [2024-10-11 20:54:27,664 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 32 remaining) [2024-10-11 20:54:27,664 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 32 remaining) [2024-10-11 20:54:27,664 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 32 remaining) [2024-10-11 20:54:27,664 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 32 remaining) [2024-10-11 20:54:27,664 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 32 remaining) [2024-10-11 20:54:27,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 32 remaining) [2024-10-11 20:54:27,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 32 remaining) [2024-10-11 20:54:27,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 32 remaining) [2024-10-11 20:54:27,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 32 remaining) [2024-10-11 20:54:27,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 32 remaining) [2024-10-11 20:54:27,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 32 remaining) [2024-10-11 20:54:27,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 32 remaining) [2024-10-11 20:54:27,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 32 remaining) [2024-10-11 20:54:27,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 32 remaining) [2024-10-11 20:54:27,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 32 remaining) [2024-10-11 20:54:27,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 32 remaining) [2024-10-11 20:54:27,666 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 32 remaining) [2024-10-11 20:54:27,666 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 32 remaining) [2024-10-11 20:54:27,666 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 32 remaining) [2024-10-11 20:54:27,677 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-11 20:54:27,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-11 20:54:27,870 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:54:27,895 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 20:54:27,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 08:54:27 BoogieIcfgContainer [2024-10-11 20:54:27,899 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 20:54:27,899 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 20:54:27,899 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 20:54:27,899 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 20:54:27,900 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:54:15" (3/4) ... [2024-10-11 20:54:27,900 INFO L133 WitnessPrinter]: Generating witness for reachability counterexample [2024-10-11 20:54:27,956 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 20:54:27,958 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 20:54:27,959 INFO L158 Benchmark]: Toolchain (without parser) took 13822.24ms. Allocated memory was 169.9MB in the beginning and 213.9MB in the end (delta: 44.0MB). Free memory was 113.6MB in the beginning and 145.2MB in the end (delta: -31.6MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-10-11 20:54:27,959 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 169.9MB. Free memory is still 131.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 20:54:27,960 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.71ms. Allocated memory is still 169.9MB. Free memory was 113.6MB in the beginning and 101.5MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-11 20:54:27,960 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.39ms. Allocated memory is still 169.9MB. Free memory was 101.0MB in the beginning and 99.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 20:54:27,960 INFO L158 Benchmark]: Boogie Preprocessor took 48.78ms. Allocated memory is still 169.9MB. Free memory was 99.6MB in the beginning and 98.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 20:54:27,960 INFO L158 Benchmark]: RCFGBuilder took 643.27ms. Allocated memory is still 169.9MB. Free memory was 98.0MB in the beginning and 80.0MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-11 20:54:27,960 INFO L158 Benchmark]: TraceAbstraction took 12717.31ms. Allocated memory was 169.9MB in the beginning and 213.9MB in the end (delta: 44.0MB). Free memory was 79.1MB in the beginning and 147.3MB in the end (delta: -68.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 20:54:27,961 INFO L158 Benchmark]: Witness Printer took 59.43ms. Allocated memory is still 213.9MB. Free memory was 147.3MB in the beginning and 145.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 20:54:27,962 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 169.9MB. Free memory is still 131.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.71ms. Allocated memory is still 169.9MB. Free memory was 113.6MB in the beginning and 101.5MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.39ms. Allocated memory is still 169.9MB. Free memory was 101.0MB in the beginning and 99.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.78ms. Allocated memory is still 169.9MB. Free memory was 99.6MB in the beginning and 98.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 643.27ms. Allocated memory is still 169.9MB. Free memory was 98.0MB in the beginning and 80.0MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 12717.31ms. Allocated memory was 169.9MB in the beginning and 213.9MB in the end (delta: 44.0MB). Free memory was 79.1MB in the beginning and 147.3MB in the end (delta: -68.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 59.43ms. Allocated memory is still 213.9MB. Free memory was 147.3MB in the beginning and 145.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. 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 - CounterExampleResult [Line: 44]: integer overflow possible integer overflow possible We found a FailurePath: [L21] int counter = 0; [L23] int z, a, k; [L24] long long x, y, c, az; [L25] z = __VERIFIER_nondet_int() [L26] a = __VERIFIER_nondet_int() [L27] k = __VERIFIER_nondet_int() [L29] x = a [L30] y = 1 [L31] c = 1 VAL [a=-2147483648, c=1, counter=0, k=2, x=-2147483648, y=1, z=2147483647] [L32] EXPR (long long) a * z [L32] az = (long long) a * z VAL [a=-2147483648, az=-4611686016279904256, c=1, counter=0, k=2, x=-2147483648, y=1, z=2147483647] [L34] EXPR counter++ VAL [a=-2147483648, az=-4611686016279904256, c=1, counter=1, k=2, x=-2147483648, y=1, z=2147483647] [L34] COND TRUE counter++<1 [L35] EXPR z*x VAL [a=-2147483648, az=-4611686016279904256, c=1, counter=1, k=2, x=-2147483648, y=1, z=2147483647] [L35] EXPR z*x - x VAL [a=-2147483648, az=-4611686016279904256, c=1, counter=1, k=2, x=-2147483648, y=1, z=2147483647] [L35] EXPR z*x - x + a VAL [a=-2147483648, az=-4611686016279904256, c=1, counter=1, k=2, x=-2147483648, y=1, z=2147483647] [L35] EXPR az*y VAL [a=-2147483648, az=-4611686016279904256, c=1, counter=1, k=2, x=-2147483648, y=1, z=2147483647] [L35] EXPR z*x - x + a - az*y VAL [a=-2147483648, az=-4611686016279904256, c=1, counter=1, k=2, x=-2147483648, y=1, z=2147483647] [L35] CALL __VERIFIER_assert(z*x - x + a - az*y == 0) VAL [counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L35] RET __VERIFIER_assert(z*x - x + a - az*y == 0) VAL [a=-2147483648, az=-4611686016279904256, c=1, counter=1, k=2, x=-2147483648, y=1, z=2147483647] [L37] COND FALSE !(!(c < k)) VAL [a=-2147483648, az=-4611686016279904256, c=1, counter=1, k=2, x=-2147483648, y=1, z=2147483647] [L40] EXPR c + 1 [L40] c = c + 1 VAL [a=-2147483648, az=-4611686016279904256, c=2, counter=1, k=2, x=-2147483648, y=1, z=2147483647] [L41] EXPR x * z VAL [a=-2147483648, az=-4611686016279904256, c=2, counter=1, k=2, x=-2147483648, y=1, z=2147483647] [L41] EXPR x * z + a [L41] x = x * z + a VAL [a=-2147483648, az=-4611686016279904256, c=2, counter=1, k=2, x=-4611686018427387904, y=1, z=2147483647] [L42] EXPR y * z [L42] y = y * z VAL [a=-2147483648, az=-4611686016279904256, c=2, counter=1, k=2, x=-4611686018427387904, y=2147483647, z=2147483647] [L34] EXPR counter++ VAL [a=-2147483648, az=-4611686016279904256, c=2, counter=2, k=2, x=-4611686018427387904, y=2147483647, z=2147483647] [L34] COND FALSE !(counter++<1) [L44] z*x VAL [a=-2147483648, az=-4611686016279904256, c=2, counter=2, k=2, y=2147483647] - UnprovableResult [Line: 32]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 32]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 76 locations, 32 error locations. Started 1 CEGAR loops. OverallTime: 12.6s, OverallIterations: 16, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 542 SdHoareTripleChecker+Valid, 4.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 535 mSDsluCounter, 1847 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1107 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1210 IncrementalHoareTripleChecker+Invalid, 1256 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 740 mSDtfsCounter, 1210 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 277 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=7, InterpolantAutomatonStates: 62, 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, 15 MinimizatonAttempts, 104 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 619 NumberOfCodeBlocks, 619 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 338 ConstructedInterpolants, 23 QuantifiedInterpolants, 3100 SizeOfPredicates, 14 NumberOfNonLiveVariables, 811 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 17 InterpolantComputations, 15 PerfectInterpolantSequences, 5/10 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 RESULT: Ultimate proved your program to be incorrect! [2024-10-11 20:54:27,994 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)