./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/ps5-ll_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bd4ff7f95c7aab1abb3428488ee9247a9f3cbeb30d436182472263a0c2dcf758 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 21:05:38,265 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 21:05:38,328 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-14 21:05:38,332 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 21:05:38,334 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 21:05:38,362 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 21:05:38,363 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 21:05:38,363 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 21:05:38,364 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 21:05:38,365 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 21:05:38,365 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 21:05:38,365 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 21:05:38,366 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 21:05:38,367 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 21:05:38,368 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 21:05:38,368 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 21:05:38,368 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 21:05:38,368 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 21:05:38,368 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 21:05:38,369 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 21:05:38,369 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 21:05:38,369 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 21:05:38,372 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 21:05:38,372 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 21:05:38,372 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 21:05:38,372 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 21:05:38,372 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 21:05:38,372 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 21:05:38,373 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 21:05:38,373 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 21:05:38,373 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 21:05:38,373 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 21:05:38,373 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 21:05:38,373 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 21:05:38,373 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 21:05:38,374 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 21:05:38,374 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 21:05:38,374 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 21:05:38,374 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 21:05:38,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 21:05:38,374 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 21:05:38,375 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 21:05:38,375 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 21:05:38,375 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 21:05:38,375 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd4ff7f95c7aab1abb3428488ee9247a9f3cbeb30d436182472263a0c2dcf758 [2024-10-14 21:05:38,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 21:05:38,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 21:05:38,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 21:05:38,620 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 21:05:38,621 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 21:05:38,621 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound1.c [2024-10-14 21:05:39,907 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 21:05:40,072 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 21:05:40,072 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound1.c [2024-10-14 21:05:40,080 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bda359bc2/1020021424c94d78b563ff1b005233c9/FLAGf923c536b [2024-10-14 21:05:40,090 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bda359bc2/1020021424c94d78b563ff1b005233c9 [2024-10-14 21:05:40,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 21:05:40,092 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 21:05:40,094 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 21:05:40,094 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 21:05:40,097 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 21:05:40,098 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:05:40" (1/1) ... [2024-10-14 21:05:40,099 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15ec5e7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:05:40, skipping insertion in model container [2024-10-14 21:05:40,099 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:05:40" (1/1) ... [2024-10-14 21:05:40,111 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 21:05:40,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 21:05:40,256 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 21:05:40,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 21:05:40,289 INFO L204 MainTranslator]: Completed translation [2024-10-14 21:05:40,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:05:40 WrapperNode [2024-10-14 21:05:40,290 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 21:05:40,290 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 21:05:40,290 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 21:05:40,290 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 21:05:40,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:05:40" (1/1) ... [2024-10-14 21:05:40,301 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:05:40" (1/1) ... [2024-10-14 21:05:40,341 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 126 [2024-10-14 21:05:40,341 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 21:05:40,342 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 21:05:40,342 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 21:05:40,342 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 21:05:40,351 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:05:40" (1/1) ... [2024-10-14 21:05:40,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:05:40" (1/1) ... [2024-10-14 21:05:40,353 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:05:40" (1/1) ... [2024-10-14 21:05:40,369 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]. [2024-10-14 21:05:40,372 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:05:40" (1/1) ... [2024-10-14 21:05:40,372 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:05:40" (1/1) ... [2024-10-14 21:05:40,379 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:05:40" (1/1) ... [2024-10-14 21:05:40,381 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:05:40" (1/1) ... [2024-10-14 21:05:40,382 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:05:40" (1/1) ... [2024-10-14 21:05:40,383 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:05:40" (1/1) ... [2024-10-14 21:05:40,385 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 21:05:40,386 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 21:05:40,386 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 21:05:40,386 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 21:05:40,387 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:05:40" (1/1) ... [2024-10-14 21:05:40,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 21:05:40,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:05:40,420 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 21:05:40,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 21:05:40,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 21:05:40,466 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 21:05:40,467 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 21:05:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 21:05:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 21:05:40,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 21:05:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-14 21:05:40,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-14 21:05:40,517 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 21:05:40,519 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 21:05:40,949 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2024-10-14 21:05:40,949 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 21:05:40,974 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 21:05:40,974 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 21:05:40,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:05:40 BoogieIcfgContainer [2024-10-14 21:05:40,974 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 21:05:40,976 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 21:05:40,976 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 21:05:40,979 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 21:05:40,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:05:40" (1/3) ... [2024-10-14 21:05:40,979 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b92bbe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:05:40, skipping insertion in model container [2024-10-14 21:05:40,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:05:40" (2/3) ... [2024-10-14 21:05:40,980 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b92bbe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:05:40, skipping insertion in model container [2024-10-14 21:05:40,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:05:40" (3/3) ... [2024-10-14 21:05:40,981 INFO L112 eAbstractionObserver]: Analyzing ICFG ps5-ll_valuebound1.c [2024-10-14 21:05:40,993 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 21:05:40,994 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 84 error locations. [2024-10-14 21:05:41,043 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 21:05:41,048 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;@dabd5ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 21:05:41,048 INFO L334 AbstractCegarLoop]: Starting to check reachability of 84 error locations. [2024-10-14 21:05:41,052 INFO L276 IsEmpty]: Start isEmpty. Operand has 187 states, 95 states have (on average 1.936842105263158) internal successors, (184), 179 states have internal predecessors, (184), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-14 21:05:41,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-14 21:05:41,057 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:05:41,057 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:05:41,057 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-14 21:05:41,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:05:41,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1162004414, now seen corresponding path program 1 times [2024-10-14 21:05:41,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:05:41,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347648395] [2024-10-14 21:05:41,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:05:41,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:05:41,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:05:41,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:05:41,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:05:41,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:05:41,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:05:41,199 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 21:05:41,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:05:41,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347648395] [2024-10-14 21:05:41,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347648395] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:05:41,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:05:41,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 21:05:41,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729281274] [2024-10-14 21:05:41,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:05:41,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 21:05:41,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:05:41,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 21:05:41,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 21:05:41,232 INFO L87 Difference]: Start difference. First operand has 187 states, 95 states have (on average 1.936842105263158) internal successors, (184), 179 states have internal predecessors, (184), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 21:05:41,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:05:41,266 INFO L93 Difference]: Finished difference Result 359 states and 390 transitions. [2024-10-14 21:05:41,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 21:05:41,268 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2024-10-14 21:05:41,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:05:41,273 INFO L225 Difference]: With dead ends: 359 [2024-10-14 21:05:41,273 INFO L226 Difference]: Without dead ends: 171 [2024-10-14 21:05:41,276 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 21:05:41,278 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:05:41,278 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 175 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:05:41,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-10-14 21:05:41,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2024-10-14 21:05:41,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 94 states have (on average 1.7553191489361701) internal successors, (165), 164 states have internal predecessors, (165), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-14 21:05:41,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 173 transitions. [2024-10-14 21:05:41,308 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 173 transitions. Word has length 14 [2024-10-14 21:05:41,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:05:41,311 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 173 transitions. [2024-10-14 21:05:41,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 21:05:41,311 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 173 transitions. [2024-10-14 21:05:41,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-14 21:05:41,312 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:05:41,312 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:05:41,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 21:05:41,313 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-14 21:05:41,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:05:41,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1920324093, now seen corresponding path program 1 times [2024-10-14 21:05:41,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:05:41,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126530060] [2024-10-14 21:05:41,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:05:41,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:05:41,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:05:41,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:05:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:05:41,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:05:41,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:05:41,437 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 21:05:41,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:05:41,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126530060] [2024-10-14 21:05:41,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126530060] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:05:41,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:05:41,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 21:05:41,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329978125] [2024-10-14 21:05:41,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:05:41,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 21:05:41,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:05:41,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 21:05:41,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 21:05:41,440 INFO L87 Difference]: Start difference. First operand 171 states and 173 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 21:05:41,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:05:41,728 INFO L93 Difference]: Finished difference Result 308 states and 320 transitions. [2024-10-14 21:05:41,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 21:05:41,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2024-10-14 21:05:41,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:05:41,731 INFO L225 Difference]: With dead ends: 308 [2024-10-14 21:05:41,731 INFO L226 Difference]: Without dead ends: 252 [2024-10-14 21:05:41,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 21:05:41,732 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 82 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 21:05:41,732 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 124 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 21:05:41,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-10-14 21:05:41,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 246. [2024-10-14 21:05:41,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 168 states have (on average 1.505952380952381) internal successors, (253), 238 states have internal predecessors, (253), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-14 21:05:41,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 263 transitions. [2024-10-14 21:05:41,744 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 263 transitions. Word has length 14 [2024-10-14 21:05:41,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:05:41,745 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 263 transitions. [2024-10-14 21:05:41,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 21:05:41,745 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 263 transitions. [2024-10-14 21:05:41,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-14 21:05:41,746 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:05:41,746 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, 1, 1, 1, 1, 1, 1] [2024-10-14 21:05:41,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 21:05:41,747 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-14 21:05:41,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:05:41,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1713492121, now seen corresponding path program 1 times [2024-10-14 21:05:41,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:05:41,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233798708] [2024-10-14 21:05:41,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:05:41,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:05:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:05:41,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:05:41,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:05:41,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:05:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:05:41,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 21:05:41,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:05:41,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233798708] [2024-10-14 21:05:41,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233798708] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:05:41,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:05:41,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 21:05:41,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840262332] [2024-10-14 21:05:41,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:05:41,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 21:05:41,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:05:41,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 21:05:41,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 21:05:41,856 INFO L87 Difference]: Start difference. First operand 246 states and 263 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 21:05:41,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:05:41,916 INFO L93 Difference]: Finished difference Result 265 states and 277 transitions. [2024-10-14 21:05:41,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 21:05:41,917 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 42 [2024-10-14 21:05:41,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:05:41,918 INFO L225 Difference]: With dead ends: 265 [2024-10-14 21:05:41,919 INFO L226 Difference]: Without dead ends: 260 [2024-10-14 21:05:41,919 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 21:05:41,920 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 58 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:05:41,920 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 293 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:05:41,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2024-10-14 21:05:41,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 253. [2024-10-14 21:05:41,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 175 states have (on average 1.4857142857142858) internal successors, (260), 245 states have internal predecessors, (260), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-14 21:05:41,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 270 transitions. [2024-10-14 21:05:41,932 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 270 transitions. Word has length 42 [2024-10-14 21:05:41,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:05:41,932 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 270 transitions. [2024-10-14 21:05:41,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 21:05:41,932 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 270 transitions. [2024-10-14 21:05:41,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-14 21:05:41,933 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:05:41,933 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:05:41,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 21:05:41,933 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-14 21:05:41,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:05:41,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1693457243, now seen corresponding path program 1 times [2024-10-14 21:05:41,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:05:41,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611972421] [2024-10-14 21:05:41,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:05:41,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:05:41,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:05:42,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:05:42,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:05:42,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:05:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:05:42,095 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 21:05:42,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:05:42,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611972421] [2024-10-14 21:05:42,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611972421] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:05:42,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:05:42,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 21:05:42,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184121848] [2024-10-14 21:05:42,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:05:42,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 21:05:42,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:05:42,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 21:05:42,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 21:05:42,097 INFO L87 Difference]: Start difference. First operand 253 states and 270 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 21:05:42,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:05:42,240 INFO L93 Difference]: Finished difference Result 264 states and 272 transitions. [2024-10-14 21:05:42,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 21:05:42,241 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 44 [2024-10-14 21:05:42,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:05:42,242 INFO L225 Difference]: With dead ends: 264 [2024-10-14 21:05:42,242 INFO L226 Difference]: Without dead ends: 259 [2024-10-14 21:05:42,242 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 21:05:42,243 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 133 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:05:42,243 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 230 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:05:42,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-10-14 21:05:42,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 253. [2024-10-14 21:05:42,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 175 states have (on average 1.457142857142857) internal successors, (255), 245 states have internal predecessors, (255), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-14 21:05:42,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 265 transitions. [2024-10-14 21:05:42,266 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 265 transitions. Word has length 44 [2024-10-14 21:05:42,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:05:42,266 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 265 transitions. [2024-10-14 21:05:42,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 21:05:42,267 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 265 transitions. [2024-10-14 21:05:42,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-14 21:05:42,267 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:05:42,268 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:05:42,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 21:05:42,268 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-14 21:05:42,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:05:42,268 INFO L85 PathProgramCache]: Analyzing trace with hash 957567089, now seen corresponding path program 1 times [2024-10-14 21:05:42,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:05:42,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534449682] [2024-10-14 21:05:42,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:05:42,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:05:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:05:42,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:05:42,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:05:42,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:05:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:05:42,387 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 21:05:42,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:05:42,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534449682] [2024-10-14 21:05:42,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534449682] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:05:42,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:05:42,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 21:05:42,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706084500] [2024-10-14 21:05:42,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:05:42,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 21:05:42,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:05:42,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 21:05:42,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 21:05:42,391 INFO L87 Difference]: Start difference. First operand 253 states and 265 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 21:05:42,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:05:42,730 INFO L93 Difference]: Finished difference Result 263 states and 267 transitions. [2024-10-14 21:05:42,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 21:05:42,731 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 45 [2024-10-14 21:05:42,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:05:42,732 INFO L225 Difference]: With dead ends: 263 [2024-10-14 21:05:42,732 INFO L226 Difference]: Without dead ends: 225 [2024-10-14 21:05:42,733 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 21:05:42,735 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 82 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 21:05:42,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 264 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 21:05:42,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-10-14 21:05:42,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 219. [2024-10-14 21:05:42,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 141 states have (on average 1.5390070921985815) internal successors, (217), 211 states have internal predecessors, (217), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-14 21:05:42,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 227 transitions. [2024-10-14 21:05:42,755 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 227 transitions. Word has length 45 [2024-10-14 21:05:42,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:05:42,755 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 227 transitions. [2024-10-14 21:05:42,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 21:05:42,756 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 227 transitions. [2024-10-14 21:05:42,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-14 21:05:42,758 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:05:42,758 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:05:42,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 21:05:42,759 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-14 21:05:42,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:05:42,760 INFO L85 PathProgramCache]: Analyzing trace with hash -280525862, now seen corresponding path program 1 times [2024-10-14 21:05:42,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:05:42,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130478702] [2024-10-14 21:05:42,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:05:42,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:05:42,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:05:42,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:05:42,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:05:42,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:05:42,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:05:42,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 21:05:42,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:05:42,845 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 21:05:42,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:05:42,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130478702] [2024-10-14 21:05:42,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130478702] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:05:42,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:05:42,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 21:05:42,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077554553] [2024-10-14 21:05:42,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:05:42,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 21:05:42,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:05:42,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 21:05:42,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 21:05:42,848 INFO L87 Difference]: Start difference. First operand 219 states and 227 transitions. Second operand has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-14 21:05:42,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:05:42,867 INFO L93 Difference]: Finished difference Result 221 states and 227 transitions. [2024-10-14 21:05:42,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 21:05:42,868 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 54 [2024-10-14 21:05:42,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:05:42,868 INFO L225 Difference]: With dead ends: 221 [2024-10-14 21:05:42,868 INFO L226 Difference]: Without dead ends: 219 [2024-10-14 21:05:42,869 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 21:05:42,869 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 1 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 334 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 [2024-10-14 21:05:42,870 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 334 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:05:42,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-10-14 21:05:42,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2024-10-14 21:05:42,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 141 states have (on average 1.524822695035461) internal successors, (215), 211 states have internal predecessors, (215), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-14 21:05:42,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 225 transitions. [2024-10-14 21:05:42,882 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 225 transitions. Word has length 54 [2024-10-14 21:05:42,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:05:42,883 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 225 transitions. [2024-10-14 21:05:42,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-14 21:05:42,883 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 225 transitions. [2024-10-14 21:05:42,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-14 21:05:42,884 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:05:42,884 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:05:42,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 21:05:42,886 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-14 21:05:42,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:05:42,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1964749084, now seen corresponding path program 1 times [2024-10-14 21:05:42,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:05:42,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587766097] [2024-10-14 21:05:42,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:05:42,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:05:42,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 21:05:42,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [730584189] [2024-10-14 21:05:42,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:05:42,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:05:42,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:05:42,913 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:05:42,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 21:05:42,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:05:42,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 21:05:42,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:05:43,059 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 21:05:43,061 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 21:05:43,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:05:43,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587766097] [2024-10-14 21:05:43,062 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 21:05:43,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730584189] [2024-10-14 21:05:43,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730584189] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:05:43,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:05:43,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 21:05:43,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386168260] [2024-10-14 21:05:43,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:05:43,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 21:05:43,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:05:43,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 21:05:43,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 21:05:43,066 INFO L87 Difference]: Start difference. First operand 219 states and 225 transitions. Second operand has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-14 21:05:43,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:05:43,390 INFO L93 Difference]: Finished difference Result 358 states and 374 transitions. [2024-10-14 21:05:43,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 21:05:43,391 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 59 [2024-10-14 21:05:43,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:05:43,392 INFO L225 Difference]: With dead ends: 358 [2024-10-14 21:05:43,393 INFO L226 Difference]: Without dead ends: 304 [2024-10-14 21:05:43,393 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 21:05:43,394 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 90 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 21:05:43,395 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 149 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 21:05:43,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-10-14 21:05:43,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 298. [2024-10-14 21:05:43,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 218 states have (on average 1.4036697247706422) internal successors, (306), 288 states have internal predecessors, (306), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-14 21:05:43,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 320 transitions. [2024-10-14 21:05:43,416 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 320 transitions. Word has length 59 [2024-10-14 21:05:43,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:05:43,416 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 320 transitions. [2024-10-14 21:05:43,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-14 21:05:43,417 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 320 transitions. [2024-10-14 21:05:43,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-10-14 21:05:43,417 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:05:43,417 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, 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] [2024-10-14 21:05:43,432 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 21:05:43,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:05:43,622 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-14 21:05:43,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:05:43,623 INFO L85 PathProgramCache]: Analyzing trace with hash -69304982, now seen corresponding path program 1 times [2024-10-14 21:05:43,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:05:43,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793894893] [2024-10-14 21:05:43,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:05:43,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:05:43,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:05:43,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:05:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:05:43,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:05:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:05:43,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 21:05:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:05:43,680 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 21:05:43,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:05:43,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793894893] [2024-10-14 21:05:43,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793894893] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:05:43,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:05:43,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 21:05:43,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688277086] [2024-10-14 21:05:43,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:05:43,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 21:05:43,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:05:43,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 21:05:43,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 21:05:43,682 INFO L87 Difference]: Start difference. First operand 298 states and 320 transitions. Second operand has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-14 21:05:47,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-14 21:05:51,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-14 21:05:51,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:05:51,930 INFO L93 Difference]: Finished difference Result 299 states and 320 transitions. [2024-10-14 21:05:51,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 21:05:51,931 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 65 [2024-10-14 21:05:51,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:05:51,932 INFO L225 Difference]: With dead ends: 299 [2024-10-14 21:05:51,932 INFO L226 Difference]: Without dead ends: 298 [2024-10-14 21:05:51,932 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 21:05:51,933 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 39 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2024-10-14 21:05:51,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 298 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 217 Invalid, 2 Unknown, 0 Unchecked, 8.2s Time] [2024-10-14 21:05:51,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2024-10-14 21:05:51,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2024-10-14 21:05:51,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 218 states have (on average 1.3990825688073394) internal successors, (305), 288 states have internal predecessors, (305), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-14 21:05:51,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 319 transitions. [2024-10-14 21:05:51,943 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 319 transitions. Word has length 65 [2024-10-14 21:05:51,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:05:51,943 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 319 transitions. [2024-10-14 21:05:51,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-14 21:05:51,943 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 319 transitions. [2024-10-14 21:05:51,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-14 21:05:51,944 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:05:51,944 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-14 21:05:51,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 21:05:51,944 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-14 21:05:51,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:05:51,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1220812152, now seen corresponding path program 1 times [2024-10-14 21:05:51,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:05:51,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510588107] [2024-10-14 21:05:51,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:05:51,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:05:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 21:05:51,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1015755672] [2024-10-14 21:05:51,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:05:51,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:05:51,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:05:51,971 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:05:51,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 21:05:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:05:52,012 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 21:05:52,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:05:52,142 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-14 21:05:52,142 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 21:05:52,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:05:52,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510588107] [2024-10-14 21:05:52,142 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 21:05:52,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1015755672] [2024-10-14 21:05:52,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1015755672] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:05:52,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:05:52,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 21:05:52,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339334959] [2024-10-14 21:05:52,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:05:52,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 21:05:52,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:05:52,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 21:05:52,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 21:05:52,143 INFO L87 Difference]: Start difference. First operand 298 states and 319 transitions. Second operand has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-14 21:05:52,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:05:52,292 INFO L93 Difference]: Finished difference Result 298 states and 319 transitions. [2024-10-14 21:05:52,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 21:05:52,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 95 [2024-10-14 21:05:52,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:05:52,294 INFO L225 Difference]: With dead ends: 298 [2024-10-14 21:05:52,294 INFO L226 Difference]: Without dead ends: 295 [2024-10-14 21:05:52,294 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 92 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 21:05:52,295 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 95 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:05:52,295 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 156 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:05:52,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-10-14 21:05:52,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2024-10-14 21:05:52,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 218 states have (on average 1.3761467889908257) internal successors, (300), 285 states have internal predecessors, (300), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-14 21:05:52,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 314 transitions. [2024-10-14 21:05:52,300 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 314 transitions. Word has length 95 [2024-10-14 21:05:52,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:05:52,301 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 314 transitions. [2024-10-14 21:05:52,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-14 21:05:52,301 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 314 transitions. [2024-10-14 21:05:52,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 21:05:52,302 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:05:52,302 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:05:52,314 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 21:05:52,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-10-14 21:05:52,506 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-14 21:05:52,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:05:52,506 INFO L85 PathProgramCache]: Analyzing trace with hash 809529056, now seen corresponding path program 1 times [2024-10-14 21:05:52,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:05:52,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506963775] [2024-10-14 21:05:52,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:05:52,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:05:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 21:05:52,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1546242064] [2024-10-14 21:05:52,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:05:52,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:05:52,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:05:52,521 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:05:52,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 21:05:52,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:05:52,559 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 21:05:52,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:05:52,753 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 21:05:52,753 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:05:52,928 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 21:05:52,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:05:52,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506963775] [2024-10-14 21:05:52,928 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 21:05:52,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546242064] [2024-10-14 21:05:52,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1546242064] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:05:52,929 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 21:05:52,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-10-14 21:05:52,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925930932] [2024-10-14 21:05:52,929 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 21:05:52,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 21:05:52,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:05:52,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 21:05:52,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-14 21:05:52,930 INFO L87 Difference]: Start difference. First operand 295 states and 314 transitions. Second operand has 8 states, 7 states have (on average 23.857142857142858) internal successors, (167), 8 states have internal predecessors, (167), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-14 21:05:53,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:05:53,712 INFO L93 Difference]: Finished difference Result 367 states and 382 transitions. [2024-10-14 21:05:53,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 21:05:53,713 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 23.857142857142858) internal successors, (167), 8 states have internal predecessors, (167), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 96 [2024-10-14 21:05:53,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:05:53,714 INFO L225 Difference]: With dead ends: 367 [2024-10-14 21:05:53,714 INFO L226 Difference]: Without dead ends: 360 [2024-10-14 21:05:53,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-14 21:05:53,715 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 284 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 21:05:53,715 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 300 Invalid, 771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 756 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 21:05:53,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-10-14 21:05:53,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 333. [2024-10-14 21:05:53,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 257 states have (on average 1.3968871595330739) internal successors, (359), 323 states have internal predecessors, (359), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-14 21:05:53,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 373 transitions. [2024-10-14 21:05:53,722 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 373 transitions. Word has length 96 [2024-10-14 21:05:53,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:05:53,723 INFO L471 AbstractCegarLoop]: Abstraction has 333 states and 373 transitions. [2024-10-14 21:05:53,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 23.857142857142858) internal successors, (167), 8 states have internal predecessors, (167), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-14 21:05:53,723 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 373 transitions. [2024-10-14 21:05:53,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-14 21:05:53,724 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:05:53,724 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:05:53,739 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-14 21:05:53,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:05:53,925 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-14 21:05:53,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:05:53,925 INFO L85 PathProgramCache]: Analyzing trace with hash -674402934, now seen corresponding path program 1 times [2024-10-14 21:05:53,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:05:53,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920639815] [2024-10-14 21:05:53,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:05:53,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:05:53,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 21:05:53,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [354082581] [2024-10-14 21:05:53,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:05:53,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:05:53,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:05:53,946 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:05:53,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 21:05:53,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:05:53,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-14 21:05:53,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:05:54,200 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 21:05:54,200 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:05:55,957 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 21:05:55,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:05:55,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920639815] [2024-10-14 21:05:55,958 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 21:05:55,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354082581] [2024-10-14 21:05:55,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [354082581] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-14 21:05:55,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 21:05:55,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 8 [2024-10-14 21:05:55,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345908691] [2024-10-14 21:05:55,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:05:55,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 21:05:55,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:05:55,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 21:05:55,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=40, Unknown=0, NotChecked=0, Total=72 [2024-10-14 21:05:55,960 INFO L87 Difference]: Start difference. First operand 333 states and 373 transitions. Second operand has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-14 21:06:00,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-14 21:06:04,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-14 21:06:08,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-14 21:06:11,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-14 21:06:15,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-14 21:06:17,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-14 21:06:21,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-14 21:06:25,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-14 21:06:29,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-14 21:06:30,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:06:30,046 INFO L93 Difference]: Finished difference Result 333 states and 373 transitions. [2024-10-14 21:06:30,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 21:06:30,046 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 97 [2024-10-14 21:06:30,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:06:30,047 INFO L225 Difference]: With dead ends: 333 [2024-10-14 21:06:30,047 INFO L226 Difference]: Without dead ends: 331 [2024-10-14 21:06:30,048 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=41, Invalid=49, Unknown=0, NotChecked=0, Total=90 [2024-10-14 21:06:30,048 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 147 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 8 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:06:30,048 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 66 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 415 Invalid, 7 Unknown, 0 Unchecked, 34.0s Time] [2024-10-14 21:06:30,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-10-14 21:06:30,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 331. [2024-10-14 21:06:30,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 257 states have (on average 1.3813229571984436) internal successors, (355), 321 states have internal predecessors, (355), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-14 21:06:30,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 369 transitions. [2024-10-14 21:06:30,056 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 369 transitions. Word has length 97 [2024-10-14 21:06:30,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:06:30,056 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 369 transitions. [2024-10-14 21:06:30,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-14 21:06:30,056 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 369 transitions. [2024-10-14 21:06:30,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-14 21:06:30,057 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:06:30,057 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:06:30,072 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-14 21:06:30,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:06:30,262 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-14 21:06:30,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:06:30,263 INFO L85 PathProgramCache]: Analyzing trace with hash 568345634, now seen corresponding path program 1 times [2024-10-14 21:06:30,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:06:30,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117357832] [2024-10-14 21:06:30,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:06:30,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:06:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 21:06:30,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [461729488] [2024-10-14 21:06:30,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:06:30,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:06:30,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:06:30,286 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:06:30,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 21:06:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:06:30,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 21:06:30,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:06:30,450 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 21:06:30,450 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 21:06:30,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:06:30,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117357832] [2024-10-14 21:06:30,451 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 21:06:30,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461729488] [2024-10-14 21:06:30,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461729488] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:06:30,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:06:30,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 21:06:30,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224505283] [2024-10-14 21:06:30,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:06:30,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 21:06:30,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:06:30,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 21:06:30,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-14 21:06:30,455 INFO L87 Difference]: Start difference. First operand 331 states and 369 transitions. Second operand has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-14 21:06:30,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:06:30,816 INFO L93 Difference]: Finished difference Result 331 states and 369 transitions. [2024-10-14 21:06:30,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 21:06:30,817 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 98 [2024-10-14 21:06:30,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:06:30,818 INFO L225 Difference]: With dead ends: 331 [2024-10-14 21:06:30,818 INFO L226 Difference]: Without dead ends: 311 [2024-10-14 21:06:30,818 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-14 21:06:30,819 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 114 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 21:06:30,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 69 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 21:06:30,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2024-10-14 21:06:30,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 311. [2024-10-14 21:06:30,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 257 states have (on average 1.264591439688716) internal successors, (325), 301 states have internal predecessors, (325), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-14 21:06:30,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 339 transitions. [2024-10-14 21:06:30,826 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 339 transitions. Word has length 98 [2024-10-14 21:06:30,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:06:30,827 INFO L471 AbstractCegarLoop]: Abstraction has 311 states and 339 transitions. [2024-10-14 21:06:30,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-14 21:06:30,827 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 339 transitions. [2024-10-14 21:06:30,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-14 21:06:30,827 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:06:30,828 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:06:30,844 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-14 21:06:31,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-14 21:06:31,029 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-14 21:06:31,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:06:31,030 INFO L85 PathProgramCache]: Analyzing trace with hash 438845580, now seen corresponding path program 1 times [2024-10-14 21:06:31,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:06:31,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201318327] [2024-10-14 21:06:31,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:06:31,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:06:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 21:06:31,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [293267500] [2024-10-14 21:06:31,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:06:31,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:06:31,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:06:31,048 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:06:31,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 21:06:31,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:06:31,100 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 21:06:31,101 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:06:31,288 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 21:06:31,288 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:06:31,473 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-10-14 21:06:31,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:06:31,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201318327] [2024-10-14 21:06:31,473 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 21:06:31,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293267500] [2024-10-14 21:06:31,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293267500] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-14 21:06:31,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 21:06:31,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-10-14 21:06:31,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416756283] [2024-10-14 21:06:31,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:06:31,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 21:06:31,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:06:31,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 21:06:31,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-14 21:06:31,475 INFO L87 Difference]: Start difference. First operand 311 states and 339 transitions. Second operand has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-14 21:06:32,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:06:32,982 INFO L93 Difference]: Finished difference Result 311 states and 339 transitions. [2024-10-14 21:06:32,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 21:06:32,983 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 99 [2024-10-14 21:06:32,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:06:32,984 INFO L225 Difference]: With dead ends: 311 [2024-10-14 21:06:32,984 INFO L226 Difference]: Without dead ends: 309 [2024-10-14 21:06:32,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 190 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-14 21:06:32,984 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 79 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-14 21:06:32,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 41 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-14 21:06:32,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2024-10-14 21:06:32,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2024-10-14 21:06:32,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 257 states have (on average 1.2490272373540856) internal successors, (321), 299 states have internal predecessors, (321), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-14 21:06:32,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 335 transitions. [2024-10-14 21:06:32,992 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 335 transitions. Word has length 99 [2024-10-14 21:06:32,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:06:32,992 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 335 transitions. [2024-10-14 21:06:32,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-14 21:06:32,993 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 335 transitions. [2024-10-14 21:06:32,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-10-14 21:06:32,993 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:06:32,993 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:06:33,005 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-14 21:06:33,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:06:33,194 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-14 21:06:33,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:06:33,195 INFO L85 PathProgramCache]: Analyzing trace with hash -920443063, now seen corresponding path program 1 times [2024-10-14 21:06:33,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:06:33,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231096627] [2024-10-14 21:06:33,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:06:33,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:06:33,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:06:33,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:06:33,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:06:33,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:06:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:06:33,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 21:06:33,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:06:33,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 21:06:33,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:06:33,307 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-14 21:06:33,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:06:33,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231096627] [2024-10-14 21:06:33,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231096627] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:06:33,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2036061449] [2024-10-14 21:06:33,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:06:33,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:06:33,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:06:33,312 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:06:33,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-14 21:06:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:06:33,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 21:06:33,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:06:33,439 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-14 21:06:33,439 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 21:06:33,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2036061449] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:06:33,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 21:06:33,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-10-14 21:06:33,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437014954] [2024-10-14 21:06:33,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:06:33,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 21:06:33,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:06:33,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 21:06:33,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 21:06:33,441 INFO L87 Difference]: Start difference. First operand 309 states and 335 transitions. Second operand has 4 states, 3 states have (on average 31.0) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-14 21:06:33,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:06:33,463 INFO L93 Difference]: Finished difference Result 309 states and 335 transitions. [2024-10-14 21:06:33,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 21:06:33,464 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.0) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 107 [2024-10-14 21:06:33,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:06:33,465 INFO L225 Difference]: With dead ends: 309 [2024-10-14 21:06:33,465 INFO L226 Difference]: Without dead ends: 308 [2024-10-14 21:06:33,465 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 21:06:33,465 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 25 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:06:33,466 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 346 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:06:33,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2024-10-14 21:06:33,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 308. [2024-10-14 21:06:33,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 257 states have (on average 1.2412451361867705) internal successors, (319), 298 states have internal predecessors, (319), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-14 21:06:33,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 333 transitions. [2024-10-14 21:06:33,475 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 333 transitions. Word has length 107 [2024-10-14 21:06:33,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:06:33,476 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 333 transitions. [2024-10-14 21:06:33,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.0) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-14 21:06:33,476 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 333 transitions. [2024-10-14 21:06:33,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-10-14 21:06:33,477 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:06:33,477 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:06:33,488 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-14 21:06:33,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:06:33,678 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-14 21:06:33,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:06:33,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1531036241, now seen corresponding path program 1 times [2024-10-14 21:06:33,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:06:33,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449888783] [2024-10-14 21:06:33,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:06:33,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:06:33,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:06:33,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:06:33,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:06:33,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:06:33,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:06:33,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 21:06:33,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:06:33,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 21:06:33,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:06:33,770 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-14 21:06:33,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:06:33,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449888783] [2024-10-14 21:06:33,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449888783] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:06:33,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148473688] [2024-10-14 21:06:33,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:06:33,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:06:33,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:06:33,776 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:06:33,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-14 21:06:33,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:06:33,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 21:06:33,817 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:06:33,910 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-14 21:06:33,910 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:06:34,013 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-14 21:06:34,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1148473688] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:06:34,013 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:06:34,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-14 21:06:34,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408184084] [2024-10-14 21:06:34,014 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:06:34,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 21:06:34,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:06:34,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 21:06:34,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-14 21:06:34,015 INFO L87 Difference]: Start difference. First operand 308 states and 333 transitions. Second operand has 7 states, 6 states have (on average 36.666666666666664) internal successors, (220), 7 states have internal predecessors, (220), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-10-14 21:06:34,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:06:34,045 INFO L93 Difference]: Finished difference Result 407 states and 420 transitions. [2024-10-14 21:06:34,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 21:06:34,045 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 36.666666666666664) internal successors, (220), 7 states have internal predecessors, (220), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 108 [2024-10-14 21:06:34,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:06:34,046 INFO L225 Difference]: With dead ends: 407 [2024-10-14 21:06:34,046 INFO L226 Difference]: Without dead ends: 406 [2024-10-14 21:06:34,047 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-14 21:06:34,047 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 68 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:06:34,047 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 528 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:06:34,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-10-14 21:06:34,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 365. [2024-10-14 21:06:34,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 312 states have (on average 1.2788461538461537) internal successors, (399), 353 states have internal predecessors, (399), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-14 21:06:34,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 417 transitions. [2024-10-14 21:06:34,056 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 417 transitions. Word has length 108 [2024-10-14 21:06:34,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:06:34,056 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 417 transitions. [2024-10-14 21:06:34,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 36.666666666666664) internal successors, (220), 7 states have internal predecessors, (220), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-10-14 21:06:34,057 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 417 transitions. [2024-10-14 21:06:34,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-14 21:06:34,057 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:06:34,058 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:06:34,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-14 21:06:34,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-14 21:06:34,262 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-14 21:06:34,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:06:34,263 INFO L85 PathProgramCache]: Analyzing trace with hash -423331491, now seen corresponding path program 1 times [2024-10-14 21:06:34,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:06:34,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570182425] [2024-10-14 21:06:34,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:06:34,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:06:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:06:34,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:06:34,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:06:34,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:06:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:06:34,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 21:06:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:06:34,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 21:06:34,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:06:34,311 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-14 21:06:34,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:06:34,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570182425] [2024-10-14 21:06:34,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570182425] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:06:34,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:06:34,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 21:06:34,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945893169] [2024-10-14 21:06:34,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:06:34,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 21:06:34,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:06:34,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 21:06:34,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 21:06:34,313 INFO L87 Difference]: Start difference. First operand 365 states and 417 transitions. Second operand has 4 states, 3 states have (on average 31.666666666666668) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-14 21:06:34,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:06:34,495 INFO L93 Difference]: Finished difference Result 365 states and 417 transitions. [2024-10-14 21:06:34,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 21:06:34,496 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.666666666666668) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 120 [2024-10-14 21:06:34,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:06:34,497 INFO L225 Difference]: With dead ends: 365 [2024-10-14 21:06:34,497 INFO L226 Difference]: Without dead ends: 358 [2024-10-14 21:06:34,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 21:06:34,498 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 128 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 21:06:34,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 38 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 21:06:34,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2024-10-14 21:06:34,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 358. [2024-10-14 21:06:34,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 312 states have (on average 1.233974358974359) internal successors, (385), 346 states have internal predecessors, (385), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-14 21:06:34,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 403 transitions. [2024-10-14 21:06:34,507 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 403 transitions. Word has length 120 [2024-10-14 21:06:34,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:06:34,507 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 403 transitions. [2024-10-14 21:06:34,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.666666666666668) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-14 21:06:34,508 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 403 transitions. [2024-10-14 21:06:34,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-10-14 21:06:34,508 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:06:34,508 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:06:34,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-14 21:06:34,509 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-14 21:06:34,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:06:34,509 INFO L85 PathProgramCache]: Analyzing trace with hash -238374285, now seen corresponding path program 1 times [2024-10-14 21:06:34,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:06:34,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912556195] [2024-10-14 21:06:34,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:06:34,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:06:34,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:06:34,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:06:34,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:06:34,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:06:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:06:34,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 21:06:34,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:06:34,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 21:06:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:06:34,556 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-14 21:06:34,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:06:34,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912556195] [2024-10-14 21:06:34,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912556195] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:06:34,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:06:34,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 21:06:34,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165817105] [2024-10-14 21:06:34,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:06:34,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 21:06:34,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:06:34,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 21:06:34,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 21:06:34,557 INFO L87 Difference]: Start difference. First operand 358 states and 403 transitions. Second operand has 4 states, 3 states have (on average 31.666666666666668) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-14 21:06:34,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:06:34,688 INFO L93 Difference]: Finished difference Result 358 states and 403 transitions. [2024-10-14 21:06:34,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 21:06:34,689 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.666666666666668) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 121 [2024-10-14 21:06:34,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:06:34,690 INFO L225 Difference]: With dead ends: 358 [2024-10-14 21:06:34,690 INFO L226 Difference]: Without dead ends: 357 [2024-10-14 21:06:34,690 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 21:06:34,691 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 108 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 21:06:34,691 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 38 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 21:06:34,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2024-10-14 21:06:34,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 357. [2024-10-14 21:06:34,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 312 states have (on average 1.2243589743589745) internal successors, (382), 345 states have internal predecessors, (382), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-14 21:06:34,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 400 transitions. [2024-10-14 21:06:34,702 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 400 transitions. Word has length 121 [2024-10-14 21:06:34,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:06:34,702 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 400 transitions. [2024-10-14 21:06:34,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.666666666666668) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-14 21:06:34,702 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 400 transitions. [2024-10-14 21:06:34,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-14 21:06:34,703 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:06:34,703 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:06:34,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-14 21:06:34,703 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-14 21:06:34,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:06:34,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1444419595, now seen corresponding path program 1 times [2024-10-14 21:06:34,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:06:34,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681105121] [2024-10-14 21:06:34,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:06:34,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:06:34,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:06:34,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:06:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:06:34,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-14 21:06:34,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:06:34,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 21:06:34,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:06:34,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 21:06:34,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:06:34,914 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 22 proven. 40 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-14 21:06:34,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:06:34,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681105121] [2024-10-14 21:06:34,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681105121] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:06:34,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190571224] [2024-10-14 21:06:34,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:06:34,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:06:34,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:06:34,915 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:06:34,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-14 21:06:34,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:06:34,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 21:06:34,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:06:35,300 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 59 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-14 21:06:35,300 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:06:35,453 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 59 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-14 21:06:35,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1190571224] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 21:06:35,453 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 21:06:35,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-10-14 21:06:35,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500041338] [2024-10-14 21:06:35,454 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 21:06:35,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 21:06:35,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:06:35,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 21:06:35,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-10-14 21:06:35,455 INFO L87 Difference]: Start difference. First operand 357 states and 400 transitions. Second operand has 13 states, 13 states have (on average 21.846153846153847) internal successors, (284), 11 states have internal predecessors, (284), 9 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (10), 8 states have call predecessors, (10), 9 states have call successors, (10) [2024-10-14 21:06:35,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:06:35,506 INFO L93 Difference]: Finished difference Result 365 states and 405 transitions. [2024-10-14 21:06:35,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 21:06:35,507 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 21.846153846153847) internal successors, (284), 11 states have internal predecessors, (284), 9 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (10), 8 states have call predecessors, (10), 9 states have call successors, (10) Word has length 123 [2024-10-14 21:06:35,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:06:35,508 INFO L225 Difference]: With dead ends: 365 [2024-10-14 21:06:35,508 INFO L226 Difference]: Without dead ends: 139 [2024-10-14 21:06:35,508 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-10-14 21:06:35,508 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 73 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 21:06:35,509 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 431 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 21:06:35,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-10-14 21:06:35,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 137. [2024-10-14 21:06:35,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 128 states have (on average 1.0078125) internal successors, (129), 129 states have internal predecessors, (129), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-14 21:06:35,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 139 transitions. [2024-10-14 21:06:35,514 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 139 transitions. Word has length 123 [2024-10-14 21:06:35,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:06:35,514 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 139 transitions. [2024-10-14 21:06:35,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 21.846153846153847) internal successors, (284), 11 states have internal predecessors, (284), 9 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (10), 8 states have call predecessors, (10), 9 states have call successors, (10) [2024-10-14 21:06:35,514 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 139 transitions. [2024-10-14 21:06:35,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-10-14 21:06:35,515 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:06:35,515 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2024-10-14 21:06:35,527 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-14 21:06:35,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-14 21:06:35,716 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-14 21:06:35,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:06:35,716 INFO L85 PathProgramCache]: Analyzing trace with hash -351277160, now seen corresponding path program 1 times [2024-10-14 21:06:35,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:06:35,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245031508] [2024-10-14 21:06:35,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:06:35,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:06:35,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 21:06:35,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [962700332] [2024-10-14 21:06:35,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:06:35,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:06:35,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:06:35,732 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:06:35,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-14 21:06:35,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:06:35,777 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 21:06:35,779 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:06:36,110 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-14 21:06:36,110 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:06:37,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:06:37,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245031508] [2024-10-14 21:06:37,361 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 21:06:37,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [962700332] [2024-10-14 21:06:37,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [962700332] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:06:37,361 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 21:06:37,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-14 21:06:37,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679019837] [2024-10-14 21:06:37,361 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 21:06:37,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 21:06:37,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:06:37,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 21:06:37,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-10-14 21:06:37,362 INFO L87 Difference]: Start difference. First operand 137 states and 139 transitions. Second operand has 7 states, 6 states have (on average 21.166666666666668) internal successors, (127), 7 states have internal predecessors, (127), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-10-14 21:06:37,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:06:37,520 INFO L93 Difference]: Finished difference Result 137 states and 139 transitions. [2024-10-14 21:06:37,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 21:06:37,520 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 21.166666666666668) internal successors, (127), 7 states have internal predecessors, (127), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 146 [2024-10-14 21:06:37,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:06:37,524 INFO L225 Difference]: With dead ends: 137 [2024-10-14 21:06:37,524 INFO L226 Difference]: Without dead ends: 136 [2024-10-14 21:06:37,524 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-10-14 21:06:37,525 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 18 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 21:06:37,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 161 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 21:06:37,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-10-14 21:06:37,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2024-10-14 21:06:37,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 128 states have (on average 1.0) internal successors, (128), 128 states have internal predecessors, (128), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-14 21:06:37,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 138 transitions. [2024-10-14 21:06:37,539 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 138 transitions. Word has length 146 [2024-10-14 21:06:37,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:06:37,539 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 138 transitions. [2024-10-14 21:06:37,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 21.166666666666668) internal successors, (127), 7 states have internal predecessors, (127), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-10-14 21:06:37,539 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 138 transitions. [2024-10-14 21:06:37,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-10-14 21:06:37,541 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:06:37,541 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2024-10-14 21:06:37,565 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-14 21:06:37,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:06:37,745 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-10-14 21:06:37,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:06:37,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1995310146, now seen corresponding path program 1 times [2024-10-14 21:06:37,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:06:37,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802439585] [2024-10-14 21:06:37,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:06:37,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:06:37,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 21:06:37,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1503859898] [2024-10-14 21:06:37,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:06:37,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:06:37,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:06:37,767 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:06:37,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-14 21:06:37,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:06:37,810 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 21:06:37,811 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:06:38,141 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-14 21:06:38,141 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 21:06:40,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:06:40,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802439585] [2024-10-14 21:06:40,140 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 21:06:40,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503859898] [2024-10-14 21:06:40,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1503859898] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:06:40,140 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 21:06:40,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-14 21:06:40,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038484366] [2024-10-14 21:06:40,140 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 21:06:40,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 21:06:40,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:06:40,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 21:06:40,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-10-14 21:06:40,141 INFO L87 Difference]: Start difference. First operand 136 states and 138 transitions. Second operand has 7 states, 6 states have (on average 21.333333333333332) internal successors, (128), 7 states have internal predecessors, (128), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-10-14 21:06:40,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:06:40,320 INFO L93 Difference]: Finished difference Result 136 states and 138 transitions. [2024-10-14 21:06:40,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 21:06:40,321 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 21.333333333333332) internal successors, (128), 7 states have internal predecessors, (128), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 147 [2024-10-14 21:06:40,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:06:40,321 INFO L225 Difference]: With dead ends: 136 [2024-10-14 21:06:40,321 INFO L226 Difference]: Without dead ends: 0 [2024-10-14 21:06:40,322 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-10-14 21:06:40,322 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 18 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 21:06:40,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 189 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 21:06:40,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-14 21:06:40,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-14 21:06:40,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 21:06:40,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-14 21:06:40,323 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 147 [2024-10-14 21:06:40,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:06:40,323 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-14 21:06:40,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 21.333333333333332) internal successors, (128), 7 states have internal predecessors, (128), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-10-14 21:06:40,324 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-14 21:06:40,324 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-14 21:06:40,326 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (83 of 84 remaining) [2024-10-14 21:06:40,326 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (82 of 84 remaining) [2024-10-14 21:06:40,326 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (81 of 84 remaining) [2024-10-14 21:06:40,326 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (80 of 84 remaining) [2024-10-14 21:06:40,326 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (79 of 84 remaining) [2024-10-14 21:06:40,326 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (78 of 84 remaining) [2024-10-14 21:06:40,326 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (77 of 84 remaining) [2024-10-14 21:06:40,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (76 of 84 remaining) [2024-10-14 21:06:40,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (75 of 84 remaining) [2024-10-14 21:06:40,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (74 of 84 remaining) [2024-10-14 21:06:40,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (73 of 84 remaining) [2024-10-14 21:06:40,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (72 of 84 remaining) [2024-10-14 21:06:40,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 84 remaining) [2024-10-14 21:06:40,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 84 remaining) [2024-10-14 21:06:40,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 84 remaining) [2024-10-14 21:06:40,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 84 remaining) [2024-10-14 21:06:40,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 84 remaining) [2024-10-14 21:06:40,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 84 remaining) [2024-10-14 21:06:40,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 84 remaining) [2024-10-14 21:06:40,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 84 remaining) [2024-10-14 21:06:40,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 84 remaining) [2024-10-14 21:06:40,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 84 remaining) [2024-10-14 21:06:40,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 84 remaining) [2024-10-14 21:06:40,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 84 remaining) [2024-10-14 21:06:40,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 84 remaining) [2024-10-14 21:06:40,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 84 remaining) [2024-10-14 21:06:40,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 84 remaining) [2024-10-14 21:06:40,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 84 remaining) [2024-10-14 21:06:40,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 84 remaining) [2024-10-14 21:06:40,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 84 remaining) [2024-10-14 21:06:40,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 84 remaining) [2024-10-14 21:06:40,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 84 remaining) [2024-10-14 21:06:40,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 84 remaining) [2024-10-14 21:06:40,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 84 remaining) [2024-10-14 21:06:40,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 84 remaining) [2024-10-14 21:06:40,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 84 remaining) [2024-10-14 21:06:40,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 84 remaining) [2024-10-14 21:06:40,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 84 remaining) [2024-10-14 21:06:40,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 84 remaining) [2024-10-14 21:06:40,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 84 remaining) [2024-10-14 21:06:40,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 84 remaining) [2024-10-14 21:06:40,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 84 remaining) [2024-10-14 21:06:40,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 84 remaining) [2024-10-14 21:06:40,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 84 remaining) [2024-10-14 21:06:40,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 84 remaining) [2024-10-14 21:06:40,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 84 remaining) [2024-10-14 21:06:40,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 84 remaining) [2024-10-14 21:06:40,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 84 remaining) [2024-10-14 21:06:40,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 84 remaining) [2024-10-14 21:06:40,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 84 remaining) [2024-10-14 21:06:40,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 84 remaining) [2024-10-14 21:06:40,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 84 remaining) [2024-10-14 21:06:40,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 84 remaining) [2024-10-14 21:06:40,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 84 remaining) [2024-10-14 21:06:40,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 84 remaining) [2024-10-14 21:06:40,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 84 remaining) [2024-10-14 21:06:40,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 84 remaining) [2024-10-14 21:06:40,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 84 remaining) [2024-10-14 21:06:40,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 84 remaining) [2024-10-14 21:06:40,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 84 remaining) [2024-10-14 21:06:40,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 84 remaining) [2024-10-14 21:06:40,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 84 remaining) [2024-10-14 21:06:40,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 84 remaining) [2024-10-14 21:06:40,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 84 remaining) [2024-10-14 21:06:40,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 84 remaining) [2024-10-14 21:06:40,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 84 remaining) [2024-10-14 21:06:40,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 84 remaining) [2024-10-14 21:06:40,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 84 remaining) [2024-10-14 21:06:40,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr68ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 84 remaining) [2024-10-14 21:06:40,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr69ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 84 remaining) [2024-10-14 21:06:40,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 84 remaining) [2024-10-14 21:06:40,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr71ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 84 remaining) [2024-10-14 21:06:40,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 84 remaining) [2024-10-14 21:06:40,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 84 remaining) [2024-10-14 21:06:40,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr74ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 84 remaining) [2024-10-14 21:06:40,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr75ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 84 remaining) [2024-10-14 21:06:40,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 84 remaining) [2024-10-14 21:06:40,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 84 remaining) [2024-10-14 21:06:40,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 84 remaining) [2024-10-14 21:06:40,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 84 remaining) [2024-10-14 21:06:40,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 84 remaining) [2024-10-14 21:06:40,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 84 remaining) [2024-10-14 21:06:40,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 84 remaining) [2024-10-14 21:06:40,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 84 remaining) [2024-10-14 21:06:40,347 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-14 21:06:40,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:06:40,538 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 21:06:40,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-14 21:06:40,587 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 21:06:40,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 09:06:40 BoogieIcfgContainer [2024-10-14 21:06:40,600 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 21:06:40,600 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 21:06:40,600 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 21:06:40,600 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 21:06:40,601 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:05:40" (3/4) ... [2024-10-14 21:06:40,602 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 21:06:40,605 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-10-14 21:06:40,605 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-10-14 21:06:40,612 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-10-14 21:06:40,612 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-14 21:06:40,612 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-14 21:06:40,612 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 21:06:40,686 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 21:06:40,687 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 21:06:40,687 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 21:06:40,687 INFO L158 Benchmark]: Toolchain (without parser) took 60594.75ms. Allocated memory was 138.4MB in the beginning and 211.8MB in the end (delta: 73.4MB). Free memory was 68.8MB in the beginning and 102.6MB in the end (delta: -33.9MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2024-10-14 21:06:40,687 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 138.4MB. Free memory was 101.6MB in the beginning and 101.4MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 21:06:40,688 INFO L158 Benchmark]: CACSL2BoogieTranslator took 196.27ms. Allocated memory is still 138.4MB. Free memory was 68.6MB in the beginning and 56.7MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-14 21:06:40,688 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.99ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 56.7MB in the beginning and 146.0MB in the end (delta: -89.3MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2024-10-14 21:06:40,688 INFO L158 Benchmark]: Boogie Preprocessor took 43.62ms. Allocated memory is still 176.2MB. Free memory was 146.0MB in the beginning and 144.8MB in the end (delta: 1.2MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2024-10-14 21:06:40,688 INFO L158 Benchmark]: RCFGBuilder took 588.50ms. Allocated memory is still 176.2MB. Free memory was 144.8MB in the beginning and 114.2MB in the end (delta: 30.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-10-14 21:06:40,689 INFO L158 Benchmark]: TraceAbstraction took 59623.79ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 113.3MB in the beginning and 108.9MB in the end (delta: 4.4MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2024-10-14 21:06:40,689 INFO L158 Benchmark]: Witness Printer took 86.67ms. Allocated memory is still 211.8MB. Free memory was 108.9MB in the beginning and 102.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-14 21:06:40,690 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 138.4MB. Free memory was 101.6MB in the beginning and 101.4MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 196.27ms. Allocated memory is still 138.4MB. Free memory was 68.6MB in the beginning and 56.7MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.99ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 56.7MB in the beginning and 146.0MB in the end (delta: -89.3MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.62ms. Allocated memory is still 176.2MB. Free memory was 146.0MB in the beginning and 144.8MB in the end (delta: 1.2MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * RCFGBuilder took 588.50ms. Allocated memory is still 176.2MB. Free memory was 144.8MB in the beginning and 114.2MB in the end (delta: 30.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 59623.79ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 113.3MB in the beginning and 108.9MB in the end (delta: 4.4MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. * Witness Printer took 86.67ms. Allocated memory is still 211.8MB. Free memory was 108.9MB in the beginning and 102.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 187 locations, 84 error locations. Started 1 CEGAR loops. OverallTime: 59.5s, OverallIterations: 20, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 47.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 9 mSolverCounterUnknown, 1663 SdHoareTripleChecker+Valid, 46.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1642 mSDsluCounter, 4230 SdHoareTripleChecker+Invalid, 46.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2308 mSDsCounter, 185 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3965 IncrementalHoareTripleChecker+Invalid, 4159 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 185 mSolverCounterUnsat, 1922 mSDtfsCounter, 3965 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1986 GetRequests, 1904 SyntacticMatches, 2 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=365occurred in iteration=15, InterpolantAutomatonStates: 91, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 20 MinimizatonAttempts, 101 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 8.8s InterpolantComputationTime, 2869 NumberOfCodeBlocks, 2869 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 2527 ConstructedInterpolants, 0 QuantifiedInterpolants, 17247 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1702 ConjunctsInSsa, 68 ConjunctsInUnsatCore, 28 InterpolantComputations, 15 PerfectInterpolantSequences, 582/985 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 84 specifications checked. All of them hold - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: (((((k == 1) && (c == 1)) && (x == 1)) && (y == 1)) || (((((0 <= k) && (c == 0)) && (k <= 1)) && (y == 0)) && (x == 0))) - ProcedureContractResult [Line: 6]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) RESULT: Ultimate proved your program to be correct! [2024-10-14 21:06:40,717 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE