./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/revcpyswp2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d 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/array-tiling/revcpyswp2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e5d836305a9654c4a87b407d535438bc329bb78fc0805b3b823600303a7df507 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 12:52:34,507 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 12:52:34,594 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 12:52:34,600 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 12:52:34,600 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 12:52:34,630 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 12:52:34,632 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 12:52:34,632 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 12:52:34,633 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 12:52:34,634 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 12:52:34,634 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 12:52:34,635 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 12:52:34,635 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 12:52:34,635 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 12:52:34,636 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 12:52:34,638 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 12:52:34,639 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 12:52:34,641 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 12:52:34,641 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 12:52:34,642 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 12:52:34,642 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 12:52:34,642 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 12:52:34,643 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 12:52:34,643 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 12:52:34,643 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 12:52:34,643 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 12:52:34,643 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 12:52:34,644 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 12:52:34,644 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 12:52:34,644 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 12:52:34,644 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 12:52:34,645 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 12:52:34,645 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 12:52:34,645 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 12:52:34,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 12:52:34,645 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 12:52:34,646 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 12:52:34,646 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 12:52:34,647 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 12:52:34,647 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 12:52:34,647 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 12:52:34,647 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 12:52:34,648 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 12:52:34,648 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 12:52:34,648 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5d836305a9654c4a87b407d535438bc329bb78fc0805b3b823600303a7df507 [2024-10-13 12:52:34,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 12:52:34,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 12:52:34,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 12:52:34,936 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 12:52:34,937 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 12:52:34,938 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/revcpyswp2.c [2024-10-13 12:52:36,443 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 12:52:36,628 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 12:52:36,629 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/revcpyswp2.c [2024-10-13 12:52:36,636 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b7fbcebf/1756c854c9424b74a9021e442e7c0aab/FLAG8ed21c33b [2024-10-13 12:52:37,010 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b7fbcebf/1756c854c9424b74a9021e442e7c0aab [2024-10-13 12:52:37,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 12:52:37,013 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 12:52:37,015 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 12:52:37,015 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 12:52:37,021 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 12:52:37,022 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:52:37" (1/1) ... [2024-10-13 12:52:37,023 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e3513e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:37, skipping insertion in model container [2024-10-13 12:52:37,023 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:52:37" (1/1) ... [2024-10-13 12:52:37,043 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 12:52:37,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 12:52:37,241 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 12:52:37,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 12:52:37,272 INFO L204 MainTranslator]: Completed translation [2024-10-13 12:52:37,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:37 WrapperNode [2024-10-13 12:52:37,273 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 12:52:37,274 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 12:52:37,274 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 12:52:37,274 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 12:52:37,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:37" (1/1) ... [2024-10-13 12:52:37,291 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:37" (1/1) ... [2024-10-13 12:52:37,315 INFO L138 Inliner]: procedures = 16, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 134 [2024-10-13 12:52:37,315 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 12:52:37,316 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 12:52:37,316 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 12:52:37,316 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 12:52:37,326 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:37" (1/1) ... [2024-10-13 12:52:37,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:37" (1/1) ... [2024-10-13 12:52:37,329 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:37" (1/1) ... [2024-10-13 12:52:37,344 INFO L175 MemorySlicer]: Split 18 memory accesses to 5 slices as follows [2, 6, 3, 5, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 8 writes are split as follows [0, 3, 1, 3, 1]. [2024-10-13 12:52:37,344 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:37" (1/1) ... [2024-10-13 12:52:37,345 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:37" (1/1) ... [2024-10-13 12:52:37,351 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:37" (1/1) ... [2024-10-13 12:52:37,357 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:37" (1/1) ... [2024-10-13 12:52:37,358 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:37" (1/1) ... [2024-10-13 12:52:37,359 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:37" (1/1) ... [2024-10-13 12:52:37,362 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 12:52:37,363 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 12:52:37,363 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 12:52:37,363 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 12:52:37,364 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:37" (1/1) ... [2024-10-13 12:52:37,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 12:52:37,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:52:37,401 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) [2024-10-13 12:52:37,408 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 [2024-10-13 12:52:37,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 12:52:37,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 12:52:37,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 12:52:37,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-13 12:52:37,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-13 12:52:37,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-13 12:52:37,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 12:52:37,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 12:52:37,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-13 12:52:37,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-13 12:52:37,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-13 12:52:37,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-13 12:52:37,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 12:52:37,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 12:52:37,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 12:52:37,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 12:52:37,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-13 12:52:37,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-13 12:52:37,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-13 12:52:37,586 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 12:52:37,588 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 12:52:37,966 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-10-13 12:52:37,967 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 12:52:38,013 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 12:52:38,013 INFO L314 CfgBuilder]: Removed 5 assume(true) statements. [2024-10-13 12:52:38,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:52:38 BoogieIcfgContainer [2024-10-13 12:52:38,014 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 12:52:38,017 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 12:52:38,017 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 12:52:38,025 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 12:52:38,025 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:52:37" (1/3) ... [2024-10-13 12:52:38,026 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48ff07d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:52:38, skipping insertion in model container [2024-10-13 12:52:38,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:52:37" (2/3) ... [2024-10-13 12:52:38,027 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48ff07d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:52:38, skipping insertion in model container [2024-10-13 12:52:38,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:52:38" (3/3) ... [2024-10-13 12:52:38,028 INFO L112 eAbstractionObserver]: Analyzing ICFG revcpyswp2.c [2024-10-13 12:52:38,046 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 12:52:38,046 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-10-13 12:52:38,120 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 12:52:38,129 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;@5406c786, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 12:52:38,130 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-10-13 12:52:38,134 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 37 states have (on average 1.9189189189189189) internal successors, (71), 59 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:38,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-13 12:52:38,139 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:38,141 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-13 12:52:38,142 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 12:52:38,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:38,147 INFO L85 PathProgramCache]: Analyzing trace with hash 5192857, now seen corresponding path program 1 times [2024-10-13 12:52:38,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:38,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564781039] [2024-10-13 12:52:38,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:38,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:38,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:38,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:52:38,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:38,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564781039] [2024-10-13 12:52:38,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564781039] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:52:38,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:52:38,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 12:52:38,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284244043] [2024-10-13 12:52:38,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:52:38,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 12:52:38,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:38,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 12:52:38,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:52:38,519 INFO L87 Difference]: Start difference. First operand has 60 states, 37 states have (on average 1.9189189189189189) internal successors, (71), 59 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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) [2024-10-13 12:52:38,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:38,726 INFO L93 Difference]: Finished difference Result 136 states and 178 transitions. [2024-10-13 12:52:38,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:52:38,730 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-10-13 12:52:38,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:38,737 INFO L225 Difference]: With dead ends: 136 [2024-10-13 12:52:38,737 INFO L226 Difference]: Without dead ends: 78 [2024-10-13 12:52:38,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:52:38,742 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 15 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:38,743 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 66 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 12:52:38,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-10-13 12:52:38,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 60. [2024-10-13 12:52:38,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 38 states have (on average 1.7105263157894737) internal successors, (65), 59 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:38,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 65 transitions. [2024-10-13 12:52:38,784 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 65 transitions. Word has length 4 [2024-10-13 12:52:38,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:38,785 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 65 transitions. [2024-10-13 12:52:38,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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) [2024-10-13 12:52:38,785 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2024-10-13 12:52:38,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-13 12:52:38,786 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:38,786 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-13 12:52:38,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 12:52:38,787 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 12:52:38,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:38,788 INFO L85 PathProgramCache]: Analyzing trace with hash 691473380, now seen corresponding path program 1 times [2024-10-13 12:52:38,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:38,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765679491] [2024-10-13 12:52:38,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:38,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:38,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:38,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:52:38,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:38,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765679491] [2024-10-13 12:52:38,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765679491] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:52:38,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:52:38,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 12:52:38,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41454437] [2024-10-13 12:52:38,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:52:38,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 12:52:38,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:38,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 12:52:38,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 12:52:38,923 INFO L87 Difference]: Start difference. First operand 60 states and 65 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:39,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:39,009 INFO L93 Difference]: Finished difference Result 110 states and 118 transitions. [2024-10-13 12:52:39,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 12:52:39,009 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-13 12:52:39,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:39,011 INFO L225 Difference]: With dead ends: 110 [2024-10-13 12:52:39,012 INFO L226 Difference]: Without dead ends: 60 [2024-10-13 12:52:39,012 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 12:52:39,014 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 0 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:39,015 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:52:39,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-10-13 12:52:39,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-10-13 12:52:39,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 38 states have (on average 1.6842105263157894) internal successors, (64), 59 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:39,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 64 transitions. [2024-10-13 12:52:39,025 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 64 transitions. Word has length 6 [2024-10-13 12:52:39,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:39,026 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 64 transitions. [2024-10-13 12:52:39,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:39,027 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2024-10-13 12:52:39,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-13 12:52:39,027 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:39,027 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-10-13 12:52:39,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 12:52:39,028 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 12:52:39,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:39,029 INFO L85 PathProgramCache]: Analyzing trace with hash 81632699, now seen corresponding path program 1 times [2024-10-13 12:52:39,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:39,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018142627] [2024-10-13 12:52:39,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:39,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:39,202 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:52:39,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:39,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018142627] [2024-10-13 12:52:39,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018142627] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:52:39,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [388951159] [2024-10-13 12:52:39,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:39,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:39,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:52:39,207 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) [2024-10-13 12:52:39,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 12:52:39,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:39,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 12:52:39,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:52:39,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:52:39,357 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 12:52:39,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [388951159] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:52:39,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 12:52:39,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-10-13 12:52:39,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653618972] [2024-10-13 12:52:39,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:52:39,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 12:52:39,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:39,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 12:52:39,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-13 12:52:39,362 INFO L87 Difference]: Start difference. First operand 60 states and 64 transitions. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:39,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:39,535 INFO L93 Difference]: Finished difference Result 78 states and 97 transitions. [2024-10-13 12:52:39,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 12:52:39,536 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-13 12:52:39,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:39,537 INFO L225 Difference]: With dead ends: 78 [2024-10-13 12:52:39,537 INFO L226 Difference]: Without dead ends: 77 [2024-10-13 12:52:39,537 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-13 12:52:39,538 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 15 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:39,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 80 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 12:52:39,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-10-13 12:52:39,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 59. [2024-10-13 12:52:39,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 38 states have (on average 1.6578947368421053) internal successors, (63), 58 states have internal predecessors, (63), 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) [2024-10-13 12:52:39,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 63 transitions. [2024-10-13 12:52:39,551 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 63 transitions. Word has length 7 [2024-10-13 12:52:39,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:39,552 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 63 transitions. [2024-10-13 12:52:39,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:39,553 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2024-10-13 12:52:39,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-13 12:52:39,553 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:39,553 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2024-10-13 12:52:39,572 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-13 12:52:39,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:39,754 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 12:52:39,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:39,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1764353578, now seen corresponding path program 1 times [2024-10-13 12:52:39,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:39,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051568827] [2024-10-13 12:52:39,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:39,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:39,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:39,841 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:52:39,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:39,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051568827] [2024-10-13 12:52:39,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051568827] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:52:39,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [339325992] [2024-10-13 12:52:39,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:39,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:39,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:52:39,844 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) [2024-10-13 12:52:39,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 12:52:39,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:39,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 12:52:39,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:52:39,947 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:52:39,948 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:52:39,992 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:52:39,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [339325992] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:52:39,994 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:52:39,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-13 12:52:39,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949304915] [2024-10-13 12:52:39,995 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:52:39,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 12:52:39,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:39,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 12:52:39,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-13 12:52:39,997 INFO L87 Difference]: Start difference. First operand 59 states and 63 transitions. Second operand has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 states have internal predecessors, (19), 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) [2024-10-13 12:52:40,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:40,156 INFO L93 Difference]: Finished difference Result 87 states and 111 transitions. [2024-10-13 12:52:40,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 12:52:40,157 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-10-13 12:52:40,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:40,159 INFO L225 Difference]: With dead ends: 87 [2024-10-13 12:52:40,159 INFO L226 Difference]: Without dead ends: 86 [2024-10-13 12:52:40,160 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-13 12:52:40,161 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 28 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:40,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 95 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:52:40,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-10-13 12:52:40,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 68. [2024-10-13 12:52:40,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 47 states have (on average 1.5957446808510638) internal successors, (75), 67 states have internal predecessors, (75), 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) [2024-10-13 12:52:40,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 75 transitions. [2024-10-13 12:52:40,167 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 75 transitions. Word has length 8 [2024-10-13 12:52:40,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:40,168 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 75 transitions. [2024-10-13 12:52:40,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 states have internal predecessors, (19), 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) [2024-10-13 12:52:40,168 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2024-10-13 12:52:40,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-13 12:52:40,169 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:40,169 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:40,186 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-13 12:52:40,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-10-13 12:52:40,370 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 12:52:40,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:40,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1135717510, now seen corresponding path program 1 times [2024-10-13 12:52:40,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:40,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130967965] [2024-10-13 12:52:40,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:40,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:40,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:40,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 12:52:40,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:40,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130967965] [2024-10-13 12:52:40,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130967965] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:52:40,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:52:40,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 12:52:40,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765835680] [2024-10-13 12:52:40,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:52:40,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 12:52:40,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:40,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 12:52:40,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 12:52:40,419 INFO L87 Difference]: Start difference. First operand 68 states and 75 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:40,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:40,483 INFO L93 Difference]: Finished difference Result 68 states and 75 transitions. [2024-10-13 12:52:40,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 12:52:40,484 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-10-13 12:52:40,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:40,485 INFO L225 Difference]: With dead ends: 68 [2024-10-13 12:52:40,485 INFO L226 Difference]: Without dead ends: 62 [2024-10-13 12:52:40,486 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 12:52:40,488 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 12 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:40,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 45 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:52:40,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-10-13 12:52:40,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-10-13 12:52:40,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 47 states have (on average 1.4680851063829787) internal successors, (69), 61 states have internal predecessors, (69), 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) [2024-10-13 12:52:40,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 69 transitions. [2024-10-13 12:52:40,498 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 69 transitions. Word has length 9 [2024-10-13 12:52:40,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:40,498 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 69 transitions. [2024-10-13 12:52:40,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:40,498 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 69 transitions. [2024-10-13 12:52:40,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-13 12:52:40,499 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:40,499 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:40,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 12:52:40,499 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 12:52:40,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:40,500 INFO L85 PathProgramCache]: Analyzing trace with hash 847504507, now seen corresponding path program 1 times [2024-10-13 12:52:40,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:40,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349089802] [2024-10-13 12:52:40,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:40,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:40,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:40,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 12:52:40,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:40,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349089802] [2024-10-13 12:52:40,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349089802] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:52:40,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:52:40,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 12:52:40,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703353133] [2024-10-13 12:52:40,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:52:40,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 12:52:40,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:40,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 12:52:40,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:52:40,668 INFO L87 Difference]: Start difference. First operand 62 states and 69 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:40,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:40,749 INFO L93 Difference]: Finished difference Result 86 states and 96 transitions. [2024-10-13 12:52:40,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:52:40,749 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-10-13 12:52:40,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:40,750 INFO L225 Difference]: With dead ends: 86 [2024-10-13 12:52:40,750 INFO L226 Difference]: Without dead ends: 80 [2024-10-13 12:52:40,750 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:52:40,751 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 78 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:40,751 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 39 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:52:40,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-10-13 12:52:40,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 76. [2024-10-13 12:52:40,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 75 states have internal predecessors, (84), 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) [2024-10-13 12:52:40,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 84 transitions. [2024-10-13 12:52:40,758 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 84 transitions. Word has length 10 [2024-10-13 12:52:40,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:40,758 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 84 transitions. [2024-10-13 12:52:40,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:40,759 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2024-10-13 12:52:40,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-13 12:52:40,759 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:40,759 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:40,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 12:52:40,760 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 12:52:40,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:40,760 INFO L85 PathProgramCache]: Analyzing trace with hash 502802994, now seen corresponding path program 1 times [2024-10-13 12:52:40,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:40,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774825544] [2024-10-13 12:52:40,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:40,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:40,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:40,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 12:52:40,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:40,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774825544] [2024-10-13 12:52:40,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774825544] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:52:40,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:52:40,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 12:52:40,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812632275] [2024-10-13 12:52:40,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:52:40,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 12:52:40,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:40,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 12:52:40,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:52:40,816 INFO L87 Difference]: Start difference. First operand 76 states and 84 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:40,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:40,890 INFO L93 Difference]: Finished difference Result 111 states and 123 transitions. [2024-10-13 12:52:40,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:52:40,891 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-10-13 12:52:40,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:40,891 INFO L225 Difference]: With dead ends: 111 [2024-10-13 12:52:40,892 INFO L226 Difference]: Without dead ends: 80 [2024-10-13 12:52:40,892 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:52:40,893 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 62 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:40,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 40 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:52:40,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-10-13 12:52:40,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2024-10-13 12:52:40,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 63 states have (on average 1.3492063492063493) internal successors, (85), 77 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:40,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 85 transitions. [2024-10-13 12:52:40,900 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 85 transitions. Word has length 11 [2024-10-13 12:52:40,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:40,900 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 85 transitions. [2024-10-13 12:52:40,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:40,901 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 85 transitions. [2024-10-13 12:52:40,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-13 12:52:40,902 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:40,902 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:40,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 12:52:40,902 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 12:52:40,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:40,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1263465012, now seen corresponding path program 1 times [2024-10-13 12:52:40,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:40,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303250768] [2024-10-13 12:52:40,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:40,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:40,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 12:52:40,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:40,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303250768] [2024-10-13 12:52:40,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303250768] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:52:40,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:52:40,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 12:52:40,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973145978] [2024-10-13 12:52:40,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:52:40,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 12:52:40,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:40,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 12:52:40,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:52:40,973 INFO L87 Difference]: Start difference. First operand 78 states and 85 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2024-10-13 12:52:41,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:41,062 INFO L93 Difference]: Finished difference Result 84 states and 91 transitions. [2024-10-13 12:52:41,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:52:41,065 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-10-13 12:52:41,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:41,066 INFO L225 Difference]: With dead ends: 84 [2024-10-13 12:52:41,066 INFO L226 Difference]: Without dead ends: 82 [2024-10-13 12:52:41,066 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:52:41,067 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 7 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:41,067 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 78 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:52:41,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-10-13 12:52:41,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 80. [2024-10-13 12:52:41,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 65 states have (on average 1.3384615384615384) internal successors, (87), 79 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:41,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 87 transitions. [2024-10-13 12:52:41,073 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 87 transitions. Word has length 17 [2024-10-13 12:52:41,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:41,073 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 87 transitions. [2024-10-13 12:52:41,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2024-10-13 12:52:41,074 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 87 transitions. [2024-10-13 12:52:41,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-13 12:52:41,074 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:41,074 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1] [2024-10-13 12:52:41,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 12:52:41,075 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 12:52:41,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:41,075 INFO L85 PathProgramCache]: Analyzing trace with hash 334392632, now seen corresponding path program 2 times [2024-10-13 12:52:41,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:41,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447846748] [2024-10-13 12:52:41,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:41,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:41,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:41,238 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:52:41,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:41,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447846748] [2024-10-13 12:52:41,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447846748] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:52:41,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [283605376] [2024-10-13 12:52:41,238 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 12:52:41,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:41,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:52:41,243 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) [2024-10-13 12:52:41,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 12:52:41,317 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-13 12:52:41,317 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 12:52:41,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 12:52:41,319 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:52:41,371 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-13 12:52:41,372 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:52:41,414 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-13 12:52:41,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [283605376] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:52:41,414 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:52:41,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 2, 2] total 13 [2024-10-13 12:52:41,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872697719] [2024-10-13 12:52:41,415 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:52:41,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-13 12:52:41,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:41,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 12:52:41,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-10-13 12:52:41,416 INFO L87 Difference]: Start difference. First operand 80 states and 87 transitions. Second operand has 14 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:41,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:41,674 INFO L93 Difference]: Finished difference Result 85 states and 94 transitions. [2024-10-13 12:52:41,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-13 12:52:41,674 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-10-13 12:52:41,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:41,675 INFO L225 Difference]: With dead ends: 85 [2024-10-13 12:52:41,675 INFO L226 Difference]: Without dead ends: 84 [2024-10-13 12:52:41,676 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=144, Invalid=456, Unknown=0, NotChecked=0, Total=600 [2024-10-13 12:52:41,676 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 98 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:41,677 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 118 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:52:41,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-10-13 12:52:41,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 68. [2024-10-13 12:52:41,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 54 states have (on average 1.3333333333333333) internal successors, (72), 67 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:41,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 72 transitions. [2024-10-13 12:52:41,685 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 72 transitions. Word has length 17 [2024-10-13 12:52:41,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:41,685 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 72 transitions. [2024-10-13 12:52:41,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:41,685 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 72 transitions. [2024-10-13 12:52:41,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-13 12:52:41,686 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:41,686 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:41,701 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-13 12:52:41,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:41,891 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 12:52:41,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:41,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1233739744, now seen corresponding path program 1 times [2024-10-13 12:52:41,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:41,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181519386] [2024-10-13 12:52:41,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:41,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:41,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:41,977 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-13 12:52:41,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:41,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181519386] [2024-10-13 12:52:41,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181519386] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:52:41,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1855440351] [2024-10-13 12:52:41,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:41,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:41,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:52:41,980 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) [2024-10-13 12:52:41,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 12:52:42,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:42,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 12:52:42,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:52:42,102 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-13 12:52:42,103 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:52:42,140 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-13 12:52:42,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1855440351] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:52:42,143 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:52:42,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-13 12:52:42,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563280051] [2024-10-13 12:52:42,144 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:52:42,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 12:52:42,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:42,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 12:52:42,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-13 12:52:42,145 INFO L87 Difference]: Start difference. First operand 68 states and 72 transitions. Second operand has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 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) [2024-10-13 12:52:42,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:42,270 INFO L93 Difference]: Finished difference Result 133 states and 141 transitions. [2024-10-13 12:52:42,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 12:52:42,271 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-10-13 12:52:42,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:42,272 INFO L225 Difference]: With dead ends: 133 [2024-10-13 12:52:42,272 INFO L226 Difference]: Without dead ends: 71 [2024-10-13 12:52:42,272 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-13 12:52:42,273 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 12 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:42,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 117 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:52:42,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-10-13 12:52:42,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-10-13 12:52:42,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 70 states have internal predecessors, (75), 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) [2024-10-13 12:52:42,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 75 transitions. [2024-10-13 12:52:42,283 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 75 transitions. Word has length 21 [2024-10-13 12:52:42,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:42,283 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 75 transitions. [2024-10-13 12:52:42,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 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) [2024-10-13 12:52:42,283 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 75 transitions. [2024-10-13 12:52:42,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-13 12:52:42,284 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:42,284 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:42,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-13 12:52:42,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:42,489 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 12:52:42,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:42,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1798756610, now seen corresponding path program 2 times [2024-10-13 12:52:42,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:42,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566347578] [2024-10-13 12:52:42,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:42,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:42,638 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:52:42,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:42,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566347578] [2024-10-13 12:52:42,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566347578] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:52:42,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1238972831] [2024-10-13 12:52:42,639 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 12:52:42,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:42,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:52:42,641 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) [2024-10-13 12:52:42,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-13 12:52:42,731 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 12:52:42,731 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 12:52:42,732 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 12:52:42,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:52:42,842 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-13 12:52:42,842 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 12:52:42,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1238972831] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:52:42,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 12:52:42,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 14 [2024-10-13 12:52:42,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643873022] [2024-10-13 12:52:42,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:52:42,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 12:52:42,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:42,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 12:52:42,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-10-13 12:52:42,844 INFO L87 Difference]: Start difference. First operand 71 states and 75 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:42,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:42,942 INFO L93 Difference]: Finished difference Result 73 states and 77 transitions. [2024-10-13 12:52:42,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 12:52:42,943 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2024-10-13 12:52:42,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:42,944 INFO L225 Difference]: With dead ends: 73 [2024-10-13 12:52:42,944 INFO L226 Difference]: Without dead ends: 68 [2024-10-13 12:52:42,944 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-10-13 12:52:42,944 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 42 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:42,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 50 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:52:42,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-10-13 12:52:42,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2024-10-13 12:52:42,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 57 states have (on average 1.2280701754385965) internal successors, (70), 65 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:42,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 70 transitions. [2024-10-13 12:52:42,950 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 70 transitions. Word has length 24 [2024-10-13 12:52:42,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:42,950 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 70 transitions. [2024-10-13 12:52:42,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:42,951 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2024-10-13 12:52:42,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-13 12:52:42,951 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:42,951 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] [2024-10-13 12:52:42,967 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-13 12:52:43,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-13 12:52:43,152 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 12:52:43,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:43,153 INFO L85 PathProgramCache]: Analyzing trace with hash 73086991, now seen corresponding path program 1 times [2024-10-13 12:52:43,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:43,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987904150] [2024-10-13 12:52:43,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:43,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:43,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:43,214 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-13 12:52:43,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:43,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987904150] [2024-10-13 12:52:43,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987904150] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:52:43,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:52:43,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 12:52:43,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292688286] [2024-10-13 12:52:43,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:52:43,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 12:52:43,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:43,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 12:52:43,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:52:43,215 INFO L87 Difference]: Start difference. First operand 66 states and 70 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2024-10-13 12:52:43,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:43,281 INFO L93 Difference]: Finished difference Result 72 states and 76 transitions. [2024-10-13 12:52:43,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:52:43,281 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2024-10-13 12:52:43,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:43,282 INFO L225 Difference]: With dead ends: 72 [2024-10-13 12:52:43,282 INFO L226 Difference]: Without dead ends: 70 [2024-10-13 12:52:43,282 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:52:43,283 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 15 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:43,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 64 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:52:43,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-10-13 12:52:43,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 68. [2024-10-13 12:52:43,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 59 states have (on average 1.2203389830508475) internal successors, (72), 67 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:43,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 72 transitions. [2024-10-13 12:52:43,287 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 72 transitions. Word has length 25 [2024-10-13 12:52:43,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:43,288 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 72 transitions. [2024-10-13 12:52:43,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2024-10-13 12:52:43,288 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 72 transitions. [2024-10-13 12:52:43,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-13 12:52:43,289 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:43,289 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:43,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-13 12:52:43,289 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 12:52:43,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:43,290 INFO L85 PathProgramCache]: Analyzing trace with hash -213767544, now seen corresponding path program 1 times [2024-10-13 12:52:43,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:43,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841332972] [2024-10-13 12:52:43,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:43,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:43,381 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-13 12:52:43,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:43,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841332972] [2024-10-13 12:52:43,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841332972] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:52:43,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1918818758] [2024-10-13 12:52:43,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:43,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:43,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:52:43,384 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) [2024-10-13 12:52:43,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-13 12:52:43,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:43,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 12:52:43,470 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:52:43,549 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-13 12:52:43,550 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:52:43,609 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-13 12:52:43,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1918818758] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:52:43,609 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:52:43,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-10-13 12:52:43,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639525509] [2024-10-13 12:52:43,610 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:52:43,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 12:52:43,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:43,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 12:52:43,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-10-13 12:52:43,611 INFO L87 Difference]: Start difference. First operand 68 states and 72 transitions. Second operand has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 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) [2024-10-13 12:52:43,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:43,750 INFO L93 Difference]: Finished difference Result 114 states and 121 transitions. [2024-10-13 12:52:43,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 12:52:43,751 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2024-10-13 12:52:43,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:43,751 INFO L225 Difference]: With dead ends: 114 [2024-10-13 12:52:43,751 INFO L226 Difference]: Without dead ends: 79 [2024-10-13 12:52:43,752 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 48 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-10-13 12:52:43,752 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 105 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:43,753 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 83 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:52:43,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-10-13 12:52:43,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 69. [2024-10-13 12:52:43,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 60 states have (on average 1.2166666666666666) internal successors, (73), 68 states have internal predecessors, (73), 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) [2024-10-13 12:52:43,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 73 transitions. [2024-10-13 12:52:43,757 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 73 transitions. Word has length 28 [2024-10-13 12:52:43,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:43,757 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 73 transitions. [2024-10-13 12:52:43,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 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) [2024-10-13 12:52:43,757 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 73 transitions. [2024-10-13 12:52:43,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-13 12:52:43,758 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:43,758 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:43,774 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-13 12:52:43,959 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 [2024-10-13 12:52:43,959 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 12:52:43,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:43,959 INFO L85 PathProgramCache]: Analyzing trace with hash -277388254, now seen corresponding path program 1 times [2024-10-13 12:52:43,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:43,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104669283] [2024-10-13 12:52:43,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:43,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:44,037 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-13 12:52:44,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:44,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104669283] [2024-10-13 12:52:44,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104669283] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:52:44,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782588207] [2024-10-13 12:52:44,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:44,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:44,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:52:44,040 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) [2024-10-13 12:52:44,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-13 12:52:44,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:44,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 12:52:44,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:52:44,183 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-13 12:52:44,183 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:52:44,248 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-13 12:52:44,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1782588207] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:52:44,248 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:52:44,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-13 12:52:44,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307342296] [2024-10-13 12:52:44,248 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:52:44,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 12:52:44,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:44,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 12:52:44,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-13 12:52:44,249 INFO L87 Difference]: Start difference. First operand 69 states and 73 transitions. Second operand has 12 states, 11 states have (on average 5.818181818181818) internal successors, (64), 12 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:44,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:44,392 INFO L93 Difference]: Finished difference Result 104 states and 112 transitions. [2024-10-13 12:52:44,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 12:52:44,393 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.818181818181818) internal successors, (64), 12 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2024-10-13 12:52:44,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:44,393 INFO L225 Difference]: With dead ends: 104 [2024-10-13 12:52:44,393 INFO L226 Difference]: Without dead ends: 103 [2024-10-13 12:52:44,394 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-13 12:52:44,394 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 18 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:44,394 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 125 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:52:44,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-10-13 12:52:44,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 101. [2024-10-13 12:52:44,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 92 states have (on average 1.1630434782608696) internal successors, (107), 100 states have internal predecessors, (107), 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) [2024-10-13 12:52:44,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 107 transitions. [2024-10-13 12:52:44,398 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 107 transitions. Word has length 32 [2024-10-13 12:52:44,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:44,399 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 107 transitions. [2024-10-13 12:52:44,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.818181818181818) internal successors, (64), 12 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:44,399 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 107 transitions. [2024-10-13 12:52:44,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-13 12:52:44,399 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:44,400 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:44,417 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-13 12:52:44,600 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 [2024-10-13 12:52:44,601 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 12:52:44,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:44,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1651889785, now seen corresponding path program 2 times [2024-10-13 12:52:44,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:44,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725620554] [2024-10-13 12:52:44,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:44,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:44,688 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 12:52:44,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:44,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725620554] [2024-10-13 12:52:44,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725620554] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:52:44,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079623784] [2024-10-13 12:52:44,689 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 12:52:44,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:44,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:52:44,691 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) [2024-10-13 12:52:44,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-13 12:52:44,793 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 12:52:44,793 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 12:52:44,795 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 12:52:44,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:52:44,827 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 12:52:44,828 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 12:52:44,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2079623784] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:52:44,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 12:52:44,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-10-13 12:52:44,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860363859] [2024-10-13 12:52:44,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:52:44,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 12:52:44,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:44,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 12:52:44,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-13 12:52:44,830 INFO L87 Difference]: Start difference. First operand 101 states and 107 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:44,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:44,917 INFO L93 Difference]: Finished difference Result 103 states and 109 transitions. [2024-10-13 12:52:44,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:52:44,918 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2024-10-13 12:52:44,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:44,918 INFO L225 Difference]: With dead ends: 103 [2024-10-13 12:52:44,919 INFO L226 Difference]: Without dead ends: 102 [2024-10-13 12:52:44,919 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-13 12:52:44,919 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 15 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:44,920 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 82 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:52:44,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-10-13 12:52:44,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 100. [2024-10-13 12:52:44,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 92 states have (on average 1.1521739130434783) internal successors, (106), 99 states have internal predecessors, (106), 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) [2024-10-13 12:52:44,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 106 transitions. [2024-10-13 12:52:44,927 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 106 transitions. Word has length 39 [2024-10-13 12:52:44,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:44,928 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 106 transitions. [2024-10-13 12:52:44,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:44,928 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 106 transitions. [2024-10-13 12:52:44,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-13 12:52:44,930 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:44,930 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:44,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-13 12:52:45,134 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 [2024-10-13 12:52:45,135 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 12:52:45,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:45,135 INFO L85 PathProgramCache]: Analyzing trace with hash 331024318, now seen corresponding path program 1 times [2024-10-13 12:52:45,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:45,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825244746] [2024-10-13 12:52:45,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:45,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:45,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:45,247 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 12:52:45,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:45,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825244746] [2024-10-13 12:52:45,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825244746] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:52:45,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058952402] [2024-10-13 12:52:45,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:45,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:45,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:52:45,250 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) [2024-10-13 12:52:45,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-13 12:52:45,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:45,352 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 12:52:45,353 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:52:45,373 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 12:52:45,374 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:52:45,406 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 12:52:45,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058952402] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:52:45,407 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:52:45,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-13 12:52:45,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289816815] [2024-10-13 12:52:45,407 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:52:45,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 12:52:45,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:45,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 12:52:45,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-13 12:52:45,408 INFO L87 Difference]: Start difference. First operand 100 states and 106 transitions. Second operand has 12 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 12 states have internal predecessors, (37), 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) [2024-10-13 12:52:45,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:45,507 INFO L93 Difference]: Finished difference Result 112 states and 123 transitions. [2024-10-13 12:52:45,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 12:52:45,508 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 12 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2024-10-13 12:52:45,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:45,509 INFO L225 Difference]: With dead ends: 112 [2024-10-13 12:52:45,509 INFO L226 Difference]: Without dead ends: 111 [2024-10-13 12:52:45,509 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-13 12:52:45,510 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 42 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:45,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 95 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:52:45,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-10-13 12:52:45,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 109. [2024-10-13 12:52:45,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 101 states have (on average 1.1683168316831682) internal successors, (118), 108 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:45,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 118 transitions. [2024-10-13 12:52:45,516 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 118 transitions. Word has length 40 [2024-10-13 12:52:45,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:45,516 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 118 transitions. [2024-10-13 12:52:45,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 12 states have internal predecessors, (37), 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) [2024-10-13 12:52:45,516 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 118 transitions. [2024-10-13 12:52:45,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-13 12:52:45,520 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:45,520 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:45,537 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-13 12:52:45,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-13 12:52:45,721 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 12:52:45,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:45,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1669325030, now seen corresponding path program 1 times [2024-10-13 12:52:45,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:45,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995529805] [2024-10-13 12:52:45,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:45,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:45,786 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-13 12:52:45,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:45,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995529805] [2024-10-13 12:52:45,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995529805] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:52:45,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:52:45,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 12:52:45,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466371153] [2024-10-13 12:52:45,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:52:45,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 12:52:45,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:45,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 12:52:45,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:52:45,788 INFO L87 Difference]: Start difference. First operand 109 states and 118 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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) [2024-10-13 12:52:45,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:45,858 INFO L93 Difference]: Finished difference Result 115 states and 124 transitions. [2024-10-13 12:52:45,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:52:45,858 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2024-10-13 12:52:45,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:45,859 INFO L225 Difference]: With dead ends: 115 [2024-10-13 12:52:45,859 INFO L226 Difference]: Without dead ends: 113 [2024-10-13 12:52:45,859 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:52:45,860 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 15 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:45,860 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 61 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:52:45,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-10-13 12:52:45,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 111. [2024-10-13 12:52:45,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 103 states have (on average 1.1650485436893203) internal successors, (120), 110 states have internal predecessors, (120), 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) [2024-10-13 12:52:45,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 120 transitions. [2024-10-13 12:52:45,865 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 120 transitions. Word has length 41 [2024-10-13 12:52:45,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:45,865 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 120 transitions. [2024-10-13 12:52:45,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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) [2024-10-13 12:52:45,865 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 120 transitions. [2024-10-13 12:52:45,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-13 12:52:45,866 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:45,866 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:45,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-13 12:52:45,867 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 12:52:45,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:45,867 INFO L85 PathProgramCache]: Analyzing trace with hash -564231722, now seen corresponding path program 1 times [2024-10-13 12:52:45,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:45,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599856891] [2024-10-13 12:52:45,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:45,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:45,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:45,972 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-13 12:52:45,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:45,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599856891] [2024-10-13 12:52:45,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599856891] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:52:45,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074630378] [2024-10-13 12:52:45,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:45,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:45,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:52:45,975 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) [2024-10-13 12:52:45,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-13 12:52:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:46,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 12:52:46,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:52:46,196 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-13 12:52:46,196 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:52:46,268 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-13 12:52:46,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2074630378] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:52:46,269 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:52:46,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-10-13 12:52:46,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274866731] [2024-10-13 12:52:46,269 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:52:46,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 12:52:46,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:46,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 12:52:46,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-10-13 12:52:46,270 INFO L87 Difference]: Start difference. First operand 111 states and 120 transitions. Second operand has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 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) [2024-10-13 12:52:46,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:46,404 INFO L93 Difference]: Finished difference Result 141 states and 151 transitions. [2024-10-13 12:52:46,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 12:52:46,405 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2024-10-13 12:52:46,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:46,406 INFO L225 Difference]: With dead ends: 141 [2024-10-13 12:52:46,406 INFO L226 Difference]: Without dead ends: 113 [2024-10-13 12:52:46,406 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 80 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-10-13 12:52:46,407 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 54 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:46,407 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 89 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:52:46,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-10-13 12:52:46,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 111. [2024-10-13 12:52:46,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 103 states have (on average 1.1553398058252426) internal successors, (119), 110 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:46,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 119 transitions. [2024-10-13 12:52:46,414 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 119 transitions. Word has length 44 [2024-10-13 12:52:46,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:46,414 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 119 transitions. [2024-10-13 12:52:46,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 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) [2024-10-13 12:52:46,414 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 119 transitions. [2024-10-13 12:52:46,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-13 12:52:46,415 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:46,415 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:46,436 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-13 12:52:46,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-13 12:52:46,616 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 12:52:46,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:46,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1980370195, now seen corresponding path program 2 times [2024-10-13 12:52:46,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:46,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782553606] [2024-10-13 12:52:46,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:46,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:46,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:46,720 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-13 12:52:46,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:46,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782553606] [2024-10-13 12:52:46,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782553606] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:52:46,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580839948] [2024-10-13 12:52:46,721 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 12:52:46,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:46,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:52:46,722 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) [2024-10-13 12:52:46,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-13 12:52:46,843 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 12:52:46,843 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 12:52:46,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 12:52:46,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:52:46,875 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-13 12:52:46,876 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 12:52:46,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1580839948] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:52:46,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 12:52:46,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-10-13 12:52:46,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861821711] [2024-10-13 12:52:46,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:52:46,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 12:52:46,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:46,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 12:52:46,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-13 12:52:46,878 INFO L87 Difference]: Start difference. First operand 111 states and 119 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:46,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:46,943 INFO L93 Difference]: Finished difference Result 113 states and 121 transitions. [2024-10-13 12:52:46,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:52:46,944 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2024-10-13 12:52:46,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:46,944 INFO L225 Difference]: With dead ends: 113 [2024-10-13 12:52:46,944 INFO L226 Difference]: Without dead ends: 112 [2024-10-13 12:52:46,945 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-13 12:52:46,945 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 15 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:46,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 55 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:52:46,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-10-13 12:52:46,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 110. [2024-10-13 12:52:46,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 103 states have (on average 1.145631067961165) internal successors, (118), 109 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:46,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 118 transitions. [2024-10-13 12:52:46,950 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 118 transitions. Word has length 47 [2024-10-13 12:52:46,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:46,950 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 118 transitions. [2024-10-13 12:52:46,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:46,951 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 118 transitions. [2024-10-13 12:52:46,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-13 12:52:46,951 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:46,951 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:46,967 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-13 12:52:47,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:47,152 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 12:52:47,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:47,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1261933782, now seen corresponding path program 1 times [2024-10-13 12:52:47,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:47,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246807453] [2024-10-13 12:52:47,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:47,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:47,257 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-13 12:52:47,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:47,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246807453] [2024-10-13 12:52:47,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246807453] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:52:47,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1946726110] [2024-10-13 12:52:47,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:47,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:47,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:52:47,260 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:52:47,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-13 12:52:47,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:47,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 12:52:47,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:52:47,404 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-13 12:52:47,404 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:52:47,441 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-13 12:52:47,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1946726110] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:52:47,442 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:52:47,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-13 12:52:47,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992622006] [2024-10-13 12:52:47,442 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:52:47,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 12:52:47,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:47,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 12:52:47,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-13 12:52:47,444 INFO L87 Difference]: Start difference. First operand 110 states and 118 transitions. Second operand has 12 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 12 states have internal predecessors, (42), 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) [2024-10-13 12:52:47,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:47,568 INFO L93 Difference]: Finished difference Result 122 states and 135 transitions. [2024-10-13 12:52:47,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 12:52:47,568 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 12 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2024-10-13 12:52:47,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:47,569 INFO L225 Difference]: With dead ends: 122 [2024-10-13 12:52:47,569 INFO L226 Difference]: Without dead ends: 121 [2024-10-13 12:52:47,569 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-13 12:52:47,570 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 28 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:47,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 113 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:52:47,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-10-13 12:52:47,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 119. [2024-10-13 12:52:47,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 112 states have (on average 1.1607142857142858) internal successors, (130), 118 states have internal predecessors, (130), 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) [2024-10-13 12:52:47,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 130 transitions. [2024-10-13 12:52:47,576 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 130 transitions. Word has length 48 [2024-10-13 12:52:47,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:47,576 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 130 transitions. [2024-10-13 12:52:47,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 12 states have internal predecessors, (42), 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) [2024-10-13 12:52:47,576 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 130 transitions. [2024-10-13 12:52:47,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-10-13 12:52:47,577 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:47,577 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:47,594 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-13 12:52:47,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:47,778 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 12:52:47,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:47,778 INFO L85 PathProgramCache]: Analyzing trace with hash 19313589, now seen corresponding path program 2 times [2024-10-13 12:52:47,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:47,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105852781] [2024-10-13 12:52:47,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:47,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:47,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:47,952 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-10-13 12:52:47,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:47,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105852781] [2024-10-13 12:52:47,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105852781] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:52:47,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1867172084] [2024-10-13 12:52:47,953 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 12:52:47,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:47,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:52:47,955 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:52:47,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-13 12:52:48,060 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-13 12:52:48,061 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 12:52:48,062 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 12:52:48,063 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:52:48,123 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 12:52:48,123 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:52:48,186 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 12:52:48,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1867172084] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:52:48,186 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:52:48,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 2, 2] total 10 [2024-10-13 12:52:48,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844656643] [2024-10-13 12:52:48,186 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:52:48,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 12:52:48,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:48,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 12:52:48,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-10-13 12:52:48,187 INFO L87 Difference]: Start difference. First operand 119 states and 130 transitions. Second operand has 11 states, 10 states have (on average 5.5) internal successors, (55), 11 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:48,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:48,436 INFO L93 Difference]: Finished difference Result 235 states and 258 transitions. [2024-10-13 12:52:48,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-13 12:52:48,436 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.5) internal successors, (55), 11 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2024-10-13 12:52:48,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:48,437 INFO L225 Difference]: With dead ends: 235 [2024-10-13 12:52:48,438 INFO L226 Difference]: Without dead ends: 234 [2024-10-13 12:52:48,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 94 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=98, Invalid=364, Unknown=0, NotChecked=0, Total=462 [2024-10-13 12:52:48,438 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 142 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:48,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 106 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 12:52:48,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-10-13 12:52:48,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 110. [2024-10-13 12:52:48,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 104 states have (on average 1.1442307692307692) internal successors, (119), 109 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:48,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 119 transitions. [2024-10-13 12:52:48,444 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 119 transitions. Word has length 49 [2024-10-13 12:52:48,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:48,444 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 119 transitions. [2024-10-13 12:52:48,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.5) internal successors, (55), 11 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:48,445 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 119 transitions. [2024-10-13 12:52:48,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-13 12:52:48,445 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:48,445 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:48,462 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-13 12:52:48,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-10-13 12:52:48,646 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 12:52:48,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:48,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1103849780, now seen corresponding path program 1 times [2024-10-13 12:52:48,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:48,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608548591] [2024-10-13 12:52:48,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:48,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:48,737 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-13 12:52:48,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:48,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608548591] [2024-10-13 12:52:48,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608548591] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:52:48,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:52:48,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 12:52:48,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9808635] [2024-10-13 12:52:48,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:52:48,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 12:52:48,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:48,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 12:52:48,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:52:48,739 INFO L87 Difference]: Start difference. First operand 110 states and 119 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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) [2024-10-13 12:52:48,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:48,823 INFO L93 Difference]: Finished difference Result 116 states and 125 transitions. [2024-10-13 12:52:48,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:52:48,823 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2024-10-13 12:52:48,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:48,824 INFO L225 Difference]: With dead ends: 116 [2024-10-13 12:52:48,824 INFO L226 Difference]: Without dead ends: 114 [2024-10-13 12:52:48,824 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:52:48,825 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 9 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:48,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 55 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:52:48,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-10-13 12:52:48,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-10-13 12:52:48,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 108 states have (on average 1.1388888888888888) internal successors, (123), 113 states have internal predecessors, (123), 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) [2024-10-13 12:52:48,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 123 transitions. [2024-10-13 12:52:48,830 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 123 transitions. Word has length 55 [2024-10-13 12:52:48,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:48,830 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 123 transitions. [2024-10-13 12:52:48,830 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), 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) [2024-10-13 12:52:48,830 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 123 transitions. [2024-10-13 12:52:48,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-10-13 12:52:48,831 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:48,831 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:48,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-13 12:52:48,831 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 12:52:48,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:48,832 INFO L85 PathProgramCache]: Analyzing trace with hash 629557416, now seen corresponding path program 2 times [2024-10-13 12:52:48,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:48,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273023434] [2024-10-13 12:52:48,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:48,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:48,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:48,977 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 12:52:48,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:48,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273023434] [2024-10-13 12:52:48,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273023434] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:52:48,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205408269] [2024-10-13 12:52:48,977 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 12:52:48,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:48,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:52:48,979 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:52:48,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-13 12:52:49,091 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-13 12:52:49,091 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 12:52:49,092 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 12:52:49,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:52:49,171 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-13 12:52:49,171 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:52:49,241 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-10-13 12:52:49,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1205408269] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:52:49,242 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:52:49,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 2, 2] total 10 [2024-10-13 12:52:49,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142372508] [2024-10-13 12:52:49,242 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:52:49,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 12:52:49,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:49,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 12:52:49,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-10-13 12:52:49,243 INFO L87 Difference]: Start difference. First operand 114 states and 123 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:49,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:49,483 INFO L93 Difference]: Finished difference Result 221 states and 240 transitions. [2024-10-13 12:52:49,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-13 12:52:49,484 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2024-10-13 12:52:49,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:49,485 INFO L225 Difference]: With dead ends: 221 [2024-10-13 12:52:49,485 INFO L226 Difference]: Without dead ends: 220 [2024-10-13 12:52:49,485 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 110 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=98, Invalid=364, Unknown=0, NotChecked=0, Total=462 [2024-10-13 12:52:49,486 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 114 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:49,486 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 85 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:52:49,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-10-13 12:52:49,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 102. [2024-10-13 12:52:49,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 97 states have (on average 1.1134020618556701) internal successors, (108), 101 states have internal predecessors, (108), 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) [2024-10-13 12:52:49,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 108 transitions. [2024-10-13 12:52:49,491 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 108 transitions. Word has length 57 [2024-10-13 12:52:49,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:49,491 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 108 transitions. [2024-10-13 12:52:49,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:49,491 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 108 transitions. [2024-10-13 12:52:49,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-13 12:52:49,491 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:49,492 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:49,510 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-10-13 12:52:49,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:49,692 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 12:52:49,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:49,693 INFO L85 PathProgramCache]: Analyzing trace with hash -780323051, now seen corresponding path program 1 times [2024-10-13 12:52:49,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:49,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500544223] [2024-10-13 12:52:49,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:49,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:49,809 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-13 12:52:49,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:49,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500544223] [2024-10-13 12:52:49,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500544223] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:52:49,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1902313664] [2024-10-13 12:52:49,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:49,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:49,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:52:49,812 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:52:49,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-13 12:52:49,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:49,949 INFO L255 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 12:52:49,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:52:50,029 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-13 12:52:50,029 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:52:50,098 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-13 12:52:50,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1902313664] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:52:50,098 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:52:50,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-10-13 12:52:50,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446788453] [2024-10-13 12:52:50,098 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:52:50,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 12:52:50,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:50,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 12:52:50,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-10-13 12:52:50,099 INFO L87 Difference]: Start difference. First operand 102 states and 108 transitions. Second operand has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 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) [2024-10-13 12:52:50,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:50,210 INFO L93 Difference]: Finished difference Result 128 states and 135 transitions. [2024-10-13 12:52:50,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 12:52:50,210 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2024-10-13 12:52:50,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:50,211 INFO L225 Difference]: With dead ends: 128 [2024-10-13 12:52:50,211 INFO L226 Difference]: Without dead ends: 105 [2024-10-13 12:52:50,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 110 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-10-13 12:52:50,212 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 60 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:50,212 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 65 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:52:50,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-10-13 12:52:50,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2024-10-13 12:52:50,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 100 states have (on average 1.11) internal successors, (111), 104 states have internal predecessors, (111), 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) [2024-10-13 12:52:50,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 111 transitions. [2024-10-13 12:52:50,217 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 111 transitions. Word has length 59 [2024-10-13 12:52:50,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:50,217 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 111 transitions. [2024-10-13 12:52:50,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 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) [2024-10-13 12:52:50,217 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 111 transitions. [2024-10-13 12:52:50,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-13 12:52:50,217 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:50,218 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:50,234 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-10-13 12:52:50,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:50,422 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 12:52:50,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:50,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1478651799, now seen corresponding path program 2 times [2024-10-13 12:52:50,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:50,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881502366] [2024-10-13 12:52:50,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:50,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:50,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:50,595 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-13 12:52:50,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:50,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881502366] [2024-10-13 12:52:50,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881502366] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:52:50,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664397541] [2024-10-13 12:52:50,596 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 12:52:50,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:50,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:52:50,598 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:52:50,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-13 12:52:50,736 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 12:52:50,737 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 12:52:50,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 12:52:50,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:52:50,868 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-13 12:52:50,869 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 12:52:50,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1664397541] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:52:50,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 12:52:50,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 14 [2024-10-13 12:52:50,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263855760] [2024-10-13 12:52:50,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:52:50,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 12:52:50,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:50,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 12:52:50,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-10-13 12:52:50,870 INFO L87 Difference]: Start difference. First operand 105 states and 111 transitions. Second operand has 6 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 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) [2024-10-13 12:52:50,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:50,943 INFO L93 Difference]: Finished difference Result 105 states and 111 transitions. [2024-10-13 12:52:50,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 12:52:50,944 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2024-10-13 12:52:50,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:50,945 INFO L225 Difference]: With dead ends: 105 [2024-10-13 12:52:50,945 INFO L226 Difference]: Without dead ends: 102 [2024-10-13 12:52:50,945 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-10-13 12:52:50,945 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 14 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:50,946 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 36 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:52:50,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-10-13 12:52:50,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2024-10-13 12:52:50,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 100 states have (on average 1.08) internal successors, (108), 101 states have internal predecessors, (108), 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) [2024-10-13 12:52:50,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 108 transitions. [2024-10-13 12:52:50,955 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 108 transitions. Word has length 62 [2024-10-13 12:52:50,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:50,955 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 108 transitions. [2024-10-13 12:52:50,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 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) [2024-10-13 12:52:50,956 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 108 transitions. [2024-10-13 12:52:50,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-10-13 12:52:50,956 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:50,956 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-13 12:52:50,974 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-13 12:52:51,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-10-13 12:52:51,157 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 12:52:51,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:51,158 INFO L85 PathProgramCache]: Analyzing trace with hash -2033697535, now seen corresponding path program 2 times [2024-10-13 12:52:51,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:51,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361984491] [2024-10-13 12:52:51,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:51,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:51,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:51,431 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 76 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:52:51,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:51,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361984491] [2024-10-13 12:52:51,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361984491] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:52:51,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [46974478] [2024-10-13 12:52:51,432 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 12:52:51,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:51,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:52:51,434 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:52:51,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-13 12:52:51,553 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-13 12:52:51,553 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 12:52:51,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 12:52:51,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:52:51,659 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-10-13 12:52:51,659 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:52:51,760 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-10-13 12:52:51,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [46974478] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:52:51,760 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:52:51,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 3, 3] total 20 [2024-10-13 12:52:51,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121763010] [2024-10-13 12:52:51,760 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:52:51,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-13 12:52:51,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:51,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-13 12:52:51,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2024-10-13 12:52:51,762 INFO L87 Difference]: Start difference. First operand 102 states and 108 transitions. Second operand has 20 states, 20 states have (on average 4.7) internal successors, (94), 20 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:52,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:52,071 INFO L93 Difference]: Finished difference Result 233 states and 248 transitions. [2024-10-13 12:52:52,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-13 12:52:52,072 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 4.7) internal successors, (94), 20 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-10-13 12:52:52,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:52,073 INFO L225 Difference]: With dead ends: 233 [2024-10-13 12:52:52,073 INFO L226 Difference]: Without dead ends: 164 [2024-10-13 12:52:52,073 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 125 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=146, Invalid=784, Unknown=0, NotChecked=0, Total=930 [2024-10-13 12:52:52,074 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 163 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:52,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 94 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 12:52:52,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-10-13 12:52:52,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 96. [2024-10-13 12:52:52,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 95 states have (on average 1.063157894736842) internal successors, (101), 95 states have internal predecessors, (101), 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) [2024-10-13 12:52:52,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 101 transitions. [2024-10-13 12:52:52,081 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 101 transitions. Word has length 65 [2024-10-13 12:52:52,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:52,081 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 101 transitions. [2024-10-13 12:52:52,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 4.7) internal successors, (94), 20 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:52,081 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 101 transitions. [2024-10-13 12:52:52,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-13 12:52:52,082 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:52,082 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:52,099 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-10-13 12:52:52,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-10-13 12:52:52,283 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 12:52:52,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:52,283 INFO L85 PathProgramCache]: Analyzing trace with hash 802471318, now seen corresponding path program 1 times [2024-10-13 12:52:52,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:52,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139232477] [2024-10-13 12:52:52,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:52,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:52,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:52,378 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-13 12:52:52,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:52,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139232477] [2024-10-13 12:52:52,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139232477] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:52:52,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045038959] [2024-10-13 12:52:52,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:52,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:52,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:52:52,380 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:52:52,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-13 12:52:52,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:52,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 12:52:52,524 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:52:52,554 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-13 12:52:52,554 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:52:52,601 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-13 12:52:52,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045038959] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:52:52,602 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:52:52,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-13 12:52:52,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371473265] [2024-10-13 12:52:52,602 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:52:52,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 12:52:52,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:52,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 12:52:52,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-13 12:52:52,603 INFO L87 Difference]: Start difference. First operand 96 states and 101 transitions. Second operand has 12 states, 11 states have (on average 7.0) internal successors, (77), 12 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:52,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:52,715 INFO L93 Difference]: Finished difference Result 124 states and 131 transitions. [2024-10-13 12:52:52,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 12:52:52,720 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 12 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-10-13 12:52:52,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:52,720 INFO L225 Difference]: With dead ends: 124 [2024-10-13 12:52:52,720 INFO L226 Difference]: Without dead ends: 123 [2024-10-13 12:52:52,721 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-13 12:52:52,721 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 16 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:52,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 79 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:52:52,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-10-13 12:52:52,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-10-13 12:52:52,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 122 states have (on average 1.0491803278688525) internal successors, (128), 122 states have internal predecessors, (128), 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) [2024-10-13 12:52:52,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 128 transitions. [2024-10-13 12:52:52,731 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 128 transitions. Word has length 68 [2024-10-13 12:52:52,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:52,731 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 128 transitions. [2024-10-13 12:52:52,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 12 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:52:52,731 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 128 transitions. [2024-10-13 12:52:52,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-13 12:52:52,732 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:52:52,732 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:52,750 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-10-13 12:52:52,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-13 12:52:52,933 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-10-13 12:52:52,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:52:52,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1701553138, now seen corresponding path program 2 times [2024-10-13 12:52:52,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:52:52,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843036503] [2024-10-13 12:52:52,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:52:52,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:52:52,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:52:53,098 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-10-13 12:52:53,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:52:53,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843036503] [2024-10-13 12:52:53,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843036503] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:52:53,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [283250375] [2024-10-13 12:52:53,099 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 12:52:53,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:53,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:52:53,101 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:52:53,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-13 12:52:53,239 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-13 12:52:53,239 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 12:52:53,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 12:52:53,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:52:53,365 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-10-13 12:52:53,365 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:52:53,470 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-10-13 12:52:53,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [283250375] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:52:53,471 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:52:53,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 3, 3] total 11 [2024-10-13 12:52:53,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240525173] [2024-10-13 12:52:53,471 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:52:53,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 12:52:53,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:52:53,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 12:52:53,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-10-13 12:52:53,472 INFO L87 Difference]: Start difference. First operand 123 states and 128 transitions. Second operand has 12 states, 11 states have (on average 9.0) internal successors, (99), 12 states have internal predecessors, (99), 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) [2024-10-13 12:52:53,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:52:53,694 INFO L93 Difference]: Finished difference Result 185 states and 193 transitions. [2024-10-13 12:52:53,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-13 12:52:53,695 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.0) internal successors, (99), 12 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2024-10-13 12:52:53,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:52:53,695 INFO L225 Difference]: With dead ends: 185 [2024-10-13 12:52:53,695 INFO L226 Difference]: Without dead ends: 0 [2024-10-13 12:52:53,696 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 185 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=119, Invalid=433, Unknown=0, NotChecked=0, Total=552 [2024-10-13 12:52:53,696 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 55 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:52:53,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 56 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:52:53,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-13 12:52:53,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-13 12:52:53,697 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) [2024-10-13 12:52:53,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-13 12:52:53,697 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 95 [2024-10-13 12:52:53,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:52:53,697 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 12:52:53,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.0) internal successors, (99), 12 states have internal predecessors, (99), 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) [2024-10-13 12:52:53,697 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-13 12:52:53,697 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-13 12:52:53,700 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 22 remaining) [2024-10-13 12:52:53,700 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 22 remaining) [2024-10-13 12:52:53,700 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 22 remaining) [2024-10-13 12:52:53,700 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 22 remaining) [2024-10-13 12:52:53,701 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 22 remaining) [2024-10-13 12:52:53,701 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 22 remaining) [2024-10-13 12:52:53,701 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 22 remaining) [2024-10-13 12:52:53,701 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 22 remaining) [2024-10-13 12:52:53,701 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 22 remaining) [2024-10-13 12:52:53,701 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 22 remaining) [2024-10-13 12:52:53,701 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 22 remaining) [2024-10-13 12:52:53,701 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 22 remaining) [2024-10-13 12:52:53,701 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 22 remaining) [2024-10-13 12:52:53,701 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 22 remaining) [2024-10-13 12:52:53,702 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 22 remaining) [2024-10-13 12:52:53,702 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 22 remaining) [2024-10-13 12:52:53,702 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 22 remaining) [2024-10-13 12:52:53,702 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 22 remaining) [2024-10-13 12:52:53,702 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 22 remaining) [2024-10-13 12:52:53,702 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 22 remaining) [2024-10-13 12:52:53,702 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 22 remaining) [2024-10-13 12:52:53,702 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 22 remaining) [2024-10-13 12:52:53,723 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-10-13 12:52:53,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:52:53,906 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:52:53,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-13 12:52:54,307 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 12:52:54,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:52:54 BoogieIcfgContainer [2024-10-13 12:52:54,322 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 12:52:54,323 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 12:52:54,323 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 12:52:54,323 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 12:52:54,324 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:52:38" (3/4) ... [2024-10-13 12:52:54,325 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 12:52:54,332 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-10-13 12:52:54,332 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-13 12:52:54,332 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-13 12:52:54,332 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 12:52:54,442 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 12:52:54,442 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 12:52:54,442 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 12:52:54,443 INFO L158 Benchmark]: Toolchain (without parser) took 17429.44ms. Allocated memory was 146.8MB in the beginning and 222.3MB in the end (delta: 75.5MB). Free memory was 90.8MB in the beginning and 86.4MB in the end (delta: 4.5MB). Peak memory consumption was 80.3MB. Max. memory is 16.1GB. [2024-10-13 12:52:54,443 INFO L158 Benchmark]: CDTParser took 0.93ms. Allocated memory is still 146.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 12:52:54,443 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.47ms. Allocated memory is still 146.8MB. Free memory was 90.5MB in the beginning and 77.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-13 12:52:54,443 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.43ms. Allocated memory is still 146.8MB. Free memory was 77.9MB in the beginning and 75.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 12:52:54,444 INFO L158 Benchmark]: Boogie Preprocessor took 46.32ms. Allocated memory is still 146.8MB. Free memory was 75.8MB in the beginning and 73.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 12:52:54,444 INFO L158 Benchmark]: RCFGBuilder took 651.37ms. Allocated memory was 146.8MB in the beginning and 222.3MB in the end (delta: 75.5MB). Free memory was 73.7MB in the beginning and 188.1MB in the end (delta: -114.4MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2024-10-13 12:52:54,444 INFO L158 Benchmark]: TraceAbstraction took 16305.63ms. Allocated memory is still 222.3MB. Free memory was 188.1MB in the beginning and 91.6MB in the end (delta: 96.5MB). Peak memory consumption was 125.9MB. Max. memory is 16.1GB. [2024-10-13 12:52:54,444 INFO L158 Benchmark]: Witness Printer took 119.31ms. Allocated memory is still 222.3MB. Free memory was 91.6MB in the beginning and 86.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 12:52:54,445 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.93ms. Allocated memory is still 146.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 258.47ms. Allocated memory is still 146.8MB. Free memory was 90.5MB in the beginning and 77.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.43ms. Allocated memory is still 146.8MB. Free memory was 77.9MB in the beginning and 75.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.32ms. Allocated memory is still 146.8MB. Free memory was 75.8MB in the beginning and 73.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 651.37ms. Allocated memory was 146.8MB in the beginning and 222.3MB in the end (delta: 75.5MB). Free memory was 73.7MB in the beginning and 188.1MB in the end (delta: -114.4MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * TraceAbstraction took 16305.63ms. Allocated memory is still 222.3MB. Free memory was 188.1MB in the beginning and 91.6MB in the end (delta: 96.5MB). Peak memory consumption was 125.9MB. Max. memory is 16.1GB. * Witness Printer took 119.31ms. Allocated memory is still 222.3MB. Free memory was 91.6MB in the beginning and 86.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 15.8s, OverallIterations: 28, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1249 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1249 mSDsluCounter, 2142 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1492 mSDsCounter, 236 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4027 IncrementalHoareTripleChecker+Invalid, 4263 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 236 mSolverCounterUnsat, 650 mSDtfsCounter, 4027 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1629 GetRequests, 1348 SyntacticMatches, 17 SemanticMatches, 264 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 931 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=123occurred in iteration=27, InterpolantAutomatonStates: 214, 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, 28 MinimizatonAttempts, 416 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 1798 NumberOfCodeBlocks, 1574 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 2368 ConstructedInterpolants, 0 QuantifiedInterpolants, 5996 SizeOfPredicates, 10 NumberOfNonLiveVariables, 3038 ConjunctsInSsa, 88 ConjunctsInUnsatCore, 61 InterpolantComputations, 14 PerfectInterpolantSequences, 1361/1806 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 22 specifications checked. All of them hold - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: (((2 <= SIZE) && (0 <= (i + 2147483648))) && (SIZE <= 2147483647)) - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: ((((i == 0) && (2 <= SIZE)) && (SIZE <= 2147483647)) || (((1 <= i) && (2 <= SIZE)) && (SIZE <= 2147483647))) - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: ((((i == 0) && (2 <= SIZE)) && (SIZE <= 2147483647)) || (((1 <= i) && (2 <= SIZE)) && (SIZE <= 2147483647))) - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: (((2 <= SIZE) && (0 <= (i + 2147483648))) && (SIZE <= 2147483647)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((i == 0) && (2 <= SIZE)) && (SIZE <= 2147483647)) || (((1 <= i) && (2 <= SIZE)) && (SIZE <= 2147483647))) RESULT: Ultimate proved your program to be correct! [2024-10-13 12:52:54,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE