./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-examples/standard_compareModified_ground.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f 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 ../sv-benchmarks/c/array-examples/standard_compareModified_ground.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ec4d4b5cea975144b4de3d9f9eb9b04d1c4b7aa6b7464f360f53530c4a9bd50e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 21:57:19,920 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 21:57:19,968 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-22 21:57:19,975 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 21:57:19,975 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 21:57:19,995 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 21:57:19,996 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 21:57:19,996 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 21:57:19,997 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 21:57:19,999 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 21:57:19,999 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 21:57:19,999 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 21:57:20,000 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 21:57:20,000 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 21:57:20,000 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 21:57:20,001 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 21:57:20,001 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 21:57:20,001 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 21:57:20,001 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 21:57:20,001 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 21:57:20,001 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 21:57:20,002 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 21:57:20,002 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 21:57:20,002 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 21:57:20,002 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 21:57:20,002 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-22 21:57:20,003 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 21:57:20,003 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 21:57:20,003 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 21:57:20,003 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 21:57:20,003 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 21:57:20,003 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 21:57:20,004 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 21:57:20,004 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 21:57:20,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 21:57:20,005 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 21:57:20,005 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 21:57:20,005 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 21:57:20,005 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 21:57:20,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 21:57:20,006 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 21:57:20,006 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 21:57:20,006 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 21:57:20,006 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 21:57:20,006 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec4d4b5cea975144b4de3d9f9eb9b04d1c4b7aa6b7464f360f53530c4a9bd50e [2024-11-22 21:57:20,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 21:57:20,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 21:57:20,262 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 21:57:20,263 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 21:57:20,263 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 21:57:20,264 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-examples/standard_compareModified_ground.i [2024-11-22 21:57:21,481 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 21:57:21,648 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 21:57:21,649 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_compareModified_ground.i [2024-11-22 21:57:21,658 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4daed818a/ce1bbf92a7c6471b84e19586a4f5dca3/FLAG55512bf90 [2024-11-22 21:57:22,058 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4daed818a/ce1bbf92a7c6471b84e19586a4f5dca3 [2024-11-22 21:57:22,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 21:57:22,063 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 21:57:22,064 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 21:57:22,064 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 21:57:22,068 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 21:57:22,068 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:57:22" (1/1) ... [2024-11-22 21:57:22,069 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a0ec9ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:22, skipping insertion in model container [2024-11-22 21:57:22,069 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:57:22" (1/1) ... [2024-11-22 21:57:22,089 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 21:57:22,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 21:57:22,241 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 21:57:22,254 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 21:57:22,266 INFO L204 MainTranslator]: Completed translation [2024-11-22 21:57:22,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:22 WrapperNode [2024-11-22 21:57:22,267 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 21:57:22,268 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 21:57:22,268 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 21:57:22,268 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 21:57:22,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:22" (1/1) ... [2024-11-22 21:57:22,279 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:22" (1/1) ... [2024-11-22 21:57:22,298 INFO L138 Inliner]: procedures = 16, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2024-11-22 21:57:22,300 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 21:57:22,301 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 21:57:22,301 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 21:57:22,302 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 21:57:22,310 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:22" (1/1) ... [2024-11-22 21:57:22,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:22" (1/1) ... [2024-11-22 21:57:22,313 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:22" (1/1) ... [2024-11-22 21:57:22,334 INFO L175 MemorySlicer]: Split 12 memory accesses to 4 slices as follows [2, 2, 5, 3]. 42 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-11-22 21:57:22,334 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:22" (1/1) ... [2024-11-22 21:57:22,335 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:22" (1/1) ... [2024-11-22 21:57:22,343 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:22" (1/1) ... [2024-11-22 21:57:22,350 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:22" (1/1) ... [2024-11-22 21:57:22,351 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:22" (1/1) ... [2024-11-22 21:57:22,356 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:22" (1/1) ... [2024-11-22 21:57:22,358 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 21:57:22,359 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 21:57:22,359 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 21:57:22,359 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 21:57:22,364 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:22" (1/1) ... [2024-11-22 21:57:22,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 21:57:22,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:57:22,393 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 21:57:22,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 21:57:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 21:57:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 21:57:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 21:57:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 21:57:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 21:57:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 21:57:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 21:57:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 21:57:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 21:57:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 21:57:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 21:57:22,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 21:57:22,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 21:57:22,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 21:57:22,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 21:57:22,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 21:57:22,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 21:57:22,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 21:57:22,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 21:57:22,495 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 21:57:22,497 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 21:57:22,666 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-22 21:57:22,666 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 21:57:22,675 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 21:57:22,675 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-22 21:57:22,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:57:22 BoogieIcfgContainer [2024-11-22 21:57:22,676 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 21:57:22,677 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 21:57:22,677 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 21:57:22,680 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 21:57:22,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 09:57:22" (1/3) ... [2024-11-22 21:57:22,681 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41a2671c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:57:22, skipping insertion in model container [2024-11-22 21:57:22,681 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:22" (2/3) ... [2024-11-22 21:57:22,681 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41a2671c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:57:22, skipping insertion in model container [2024-11-22 21:57:22,681 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:57:22" (3/3) ... [2024-11-22 21:57:22,682 INFO L112 eAbstractionObserver]: Analyzing ICFG standard_compareModified_ground.i [2024-11-22 21:57:22,694 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 21:57:22,694 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-22 21:57:22,736 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 21:57:22,741 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;@3ee51639, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 21:57:22,741 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-22 21:57:22,744 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 34 states have (on average 1.588235294117647) internal successors, (54), 42 states have internal predecessors, (54), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 21:57:22,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-22 21:57:22,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:57:22,748 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-22 21:57:22,748 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-22 21:57:22,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:57:22,752 INFO L85 PathProgramCache]: Analyzing trace with hash 28698728, now seen corresponding path program 1 times [2024-11-22 21:57:22,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:57:22,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453448712] [2024-11-22 21:57:22,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:22,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:57:22,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:23,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:57:23,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:57:23,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453448712] [2024-11-22 21:57:23,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453448712] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:57:23,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:57:23,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 21:57:23,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325842088] [2024-11-22 21:57:23,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:57:23,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 21:57:23,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:57:23,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 21:57:23,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:57:23,033 INFO L87 Difference]: Start difference. First operand has 46 states, 34 states have (on average 1.588235294117647) internal successors, (54), 42 states have internal predecessors, (54), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:23,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:57:23,092 INFO L93 Difference]: Finished difference Result 89 states and 115 transitions. [2024-11-22 21:57:23,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 21:57:23,094 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-22 21:57:23,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:57:23,099 INFO L225 Difference]: With dead ends: 89 [2024-11-22 21:57:23,100 INFO L226 Difference]: Without dead ends: 43 [2024-11-22 21:57:23,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:57:23,106 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 1 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:57:23,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 133 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:57:23,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-22 21:57:23,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-22 21:57:23,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 32 states have (on average 1.40625) internal successors, (45), 39 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 21:57:23,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 49 transitions. [2024-11-22 21:57:23,135 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 49 transitions. Word has length 5 [2024-11-22 21:57:23,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:57:23,135 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 49 transitions. [2024-11-22 21:57:23,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:23,136 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2024-11-22 21:57:23,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-22 21:57:23,136 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:57:23,136 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2024-11-22 21:57:23,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 21:57:23,137 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-22 21:57:23,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:57:23,137 INFO L85 PathProgramCache]: Analyzing trace with hash -363792156, now seen corresponding path program 1 times [2024-11-22 21:57:23,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:57:23,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563990211] [2024-11-22 21:57:23,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:23,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:57:23,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:23,266 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:57:23,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:57:23,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563990211] [2024-11-22 21:57:23,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563990211] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 21:57:23,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [630364575] [2024-11-22 21:57:23,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:23,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:57:23,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:57:23,270 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 21:57:23,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 21:57:23,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:23,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 21:57:23,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:57:23,404 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:57:23,405 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 21:57:23,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [630364575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:57:23,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 21:57:23,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-22 21:57:23,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425121361] [2024-11-22 21:57:23,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:57:23,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 21:57:23,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:57:23,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 21:57:23,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-22 21:57:23,411 INFO L87 Difference]: Start difference. First operand 43 states and 49 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 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) [2024-11-22 21:57:23,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:57:23,448 INFO L93 Difference]: Finished difference Result 43 states and 49 transitions. [2024-11-22 21:57:23,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 21:57:23,448 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 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 [2024-11-22 21:57:23,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:57:23,449 INFO L225 Difference]: With dead ends: 43 [2024-11-22 21:57:23,450 INFO L226 Difference]: Without dead ends: 42 [2024-11-22 21:57:23,450 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-22 21:57:23,451 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 1 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:57:23,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 111 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:57:23,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-22 21:57:23,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-11-22 21:57:23,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 32 states have (on average 1.375) internal successors, (44), 38 states have internal predecessors, (44), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 21:57:23,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2024-11-22 21:57:23,458 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 9 [2024-11-22 21:57:23,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:57:23,459 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2024-11-22 21:57:23,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 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) [2024-11-22 21:57:23,459 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2024-11-22 21:57:23,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-22 21:57:23,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:57:23,459 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1] [2024-11-22 21:57:23,466 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-22 21:57:23,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:57:23,664 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-22 21:57:23,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:57:23,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1607345098, now seen corresponding path program 1 times [2024-11-22 21:57:23,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:57:23,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257712617] [2024-11-22 21:57:23,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:23,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:57:23,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:23,731 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 21:57:23,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:57:23,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257712617] [2024-11-22 21:57:23,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257712617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:57:23,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:57:23,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 21:57:23,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525600068] [2024-11-22 21:57:23,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:57:23,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 21:57:23,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:57:23,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 21:57:23,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:57:23,734 INFO L87 Difference]: Start difference. First operand 42 states and 48 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:23,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:57:23,749 INFO L93 Difference]: Finished difference Result 42 states and 48 transitions. [2024-11-22 21:57:23,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 21:57:23,750 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-22 21:57:23,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:57:23,750 INFO L225 Difference]: With dead ends: 42 [2024-11-22 21:57:23,750 INFO L226 Difference]: Without dead ends: 41 [2024-11-22 21:57:23,751 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:57:23,752 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 0 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:57:23,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:57:23,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-11-22 21:57:23,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 38. [2024-11-22 21:57:23,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 34 states have internal predecessors, (40), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 21:57:23,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 44 transitions. [2024-11-22 21:57:23,756 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 44 transitions. Word has length 10 [2024-11-22 21:57:23,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:57:23,756 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 44 transitions. [2024-11-22 21:57:23,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:23,756 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions. [2024-11-22 21:57:23,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-22 21:57:23,757 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:57:23,757 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:57:23,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 21:57:23,757 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-22 21:57:23,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:57:23,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1578993161, now seen corresponding path program 1 times [2024-11-22 21:57:23,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:57:23,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148206914] [2024-11-22 21:57:23,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:23,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:57:23,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:23,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:57:23,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:57:23,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148206914] [2024-11-22 21:57:23,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148206914] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 21:57:23,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748222416] [2024-11-22 21:57:23,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:23,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:57:23,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:57:23,833 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 21:57:23,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 21:57:23,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:23,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-22 21:57:23,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:57:23,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 21:57:23,911 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 21:57:23,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1748222416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:57:23,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 21:57:23,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-22 21:57:23,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298204547] [2024-11-22 21:57:23,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:57:23,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 21:57:23,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:57:23,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 21:57:23,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:57:23,916 INFO L87 Difference]: Start difference. First operand 38 states and 44 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:23,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:57:23,942 INFO L93 Difference]: Finished difference Result 38 states and 44 transitions. [2024-11-22 21:57:23,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 21:57:23,945 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-22 21:57:23,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:57:23,948 INFO L225 Difference]: With dead ends: 38 [2024-11-22 21:57:23,948 INFO L226 Difference]: Without dead ends: 37 [2024-11-22 21:57:23,948 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:57:23,948 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 2 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:57:23,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 63 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:57:23,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-22 21:57:23,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-22 21:57:23,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 33 states have internal predecessors, (39), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 21:57:23,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 43 transitions. [2024-11-22 21:57:23,960 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 43 transitions. Word has length 12 [2024-11-22 21:57:23,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:57:23,960 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 43 transitions. [2024-11-22 21:57:23,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:23,961 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2024-11-22 21:57:23,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-22 21:57:23,961 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:57:23,961 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:57:23,972 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 21:57:24,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-22 21:57:24,162 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-22 21:57:24,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:57:24,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1704147665, now seen corresponding path program 1 times [2024-11-22 21:57:24,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:57:24,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692178545] [2024-11-22 21:57:24,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:24,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:57:24,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:24,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:57:24,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:57:24,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692178545] [2024-11-22 21:57:24,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692178545] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 21:57:24,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [385984098] [2024-11-22 21:57:24,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:24,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:57:24,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:57:24,202 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 21:57:24,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 21:57:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:24,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-22 21:57:24,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:57:24,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 21:57:24,282 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 21:57:24,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [385984098] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:57:24,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 21:57:24,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-22 21:57:24,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728354877] [2024-11-22 21:57:24,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:57:24,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 21:57:24,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:57:24,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 21:57:24,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:57:24,284 INFO L87 Difference]: Start difference. First operand 37 states and 43 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:24,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:57:24,306 INFO L93 Difference]: Finished difference Result 66 states and 77 transitions. [2024-11-22 21:57:24,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 21:57:24,307 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-22 21:57:24,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:57:24,307 INFO L225 Difference]: With dead ends: 66 [2024-11-22 21:57:24,307 INFO L226 Difference]: Without dead ends: 42 [2024-11-22 21:57:24,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:57:24,308 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 1 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:57:24,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 67 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:57:24,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-22 21:57:24,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-11-22 21:57:24,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 38 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 21:57:24,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2024-11-22 21:57:24,319 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 13 [2024-11-22 21:57:24,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:57:24,320 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2024-11-22 21:57:24,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:24,320 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2024-11-22 21:57:24,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-22 21:57:24,320 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:57:24,320 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:57:24,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-22 21:57:24,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:57:24,521 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-22 21:57:24,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:57:24,522 INFO L85 PathProgramCache]: Analyzing trace with hash -2024359374, now seen corresponding path program 1 times [2024-11-22 21:57:24,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:57:24,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630256668] [2024-11-22 21:57:24,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:24,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:57:24,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:24,587 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-22 21:57:24,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:57:24,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630256668] [2024-11-22 21:57:24,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630256668] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 21:57:24,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1223757069] [2024-11-22 21:57:24,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:24,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:57:24,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:57:24,590 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 21:57:24,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 21:57:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:24,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-22 21:57:24,649 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:57:24,665 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-22 21:57:24,665 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 21:57:24,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1223757069] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:57:24,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 21:57:24,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-22 21:57:24,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103206075] [2024-11-22 21:57:24,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:57:24,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 21:57:24,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:57:24,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 21:57:24,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:57:24,666 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:24,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:57:24,676 INFO L93 Difference]: Finished difference Result 42 states and 49 transitions. [2024-11-22 21:57:24,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 21:57:24,676 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 18 [2024-11-22 21:57:24,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:57:24,676 INFO L225 Difference]: With dead ends: 42 [2024-11-22 21:57:24,677 INFO L226 Difference]: Without dead ends: 41 [2024-11-22 21:57:24,677 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:57:24,677 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 7 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:57:24,677 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 64 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:57:24,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-11-22 21:57:24,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 37. [2024-11-22 21:57:24,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 30 states have (on average 1.3) internal successors, (39), 33 states have internal predecessors, (39), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 21:57:24,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 43 transitions. [2024-11-22 21:57:24,681 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 43 transitions. Word has length 18 [2024-11-22 21:57:24,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:57:24,681 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 43 transitions. [2024-11-22 21:57:24,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:24,681 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2024-11-22 21:57:24,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-22 21:57:24,682 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:57:24,682 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:57:24,689 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-22 21:57:24,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:57:24,883 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-22 21:57:24,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:57:24,883 INFO L85 PathProgramCache]: Analyzing trace with hash 905101124, now seen corresponding path program 1 times [2024-11-22 21:57:24,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:57:24,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536562019] [2024-11-22 21:57:24,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:24,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:57:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:24,946 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 21:57:24,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:57:24,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536562019] [2024-11-22 21:57:24,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536562019] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 21:57:24,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419874809] [2024-11-22 21:57:24,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:24,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:57:24,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:57:24,950 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 21:57:24,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 21:57:25,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:25,003 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 21:57:25,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:57:25,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 21:57:25,022 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 21:57:25,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419874809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:57:25,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 21:57:25,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-22 21:57:25,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596721075] [2024-11-22 21:57:25,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:57:25,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 21:57:25,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:57:25,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 21:57:25,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:57:25,024 INFO L87 Difference]: Start difference. First operand 37 states and 43 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 21:57:25,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:57:25,035 INFO L93 Difference]: Finished difference Result 65 states and 76 transitions. [2024-11-22 21:57:25,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 21:57:25,037 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2024-11-22 21:57:25,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:57:25,038 INFO L225 Difference]: With dead ends: 65 [2024-11-22 21:57:25,038 INFO L226 Difference]: Without dead ends: 44 [2024-11-22 21:57:25,038 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:57:25,039 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 2 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:57:25,039 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 80 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:57:25,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-22 21:57:25,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-22 21:57:25,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 40 states have internal predecessors, (48), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 21:57:25,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 52 transitions. [2024-11-22 21:57:25,048 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 52 transitions. Word has length 25 [2024-11-22 21:57:25,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:57:25,048 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 52 transitions. [2024-11-22 21:57:25,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 21:57:25,048 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2024-11-22 21:57:25,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-22 21:57:25,049 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:57:25,049 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:57:25,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-22 21:57:25,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:57:25,250 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-22 21:57:25,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:57:25,250 INFO L85 PathProgramCache]: Analyzing trace with hash -115967230, now seen corresponding path program 1 times [2024-11-22 21:57:25,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:57:25,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820584174] [2024-11-22 21:57:25,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:25,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:57:25,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:25,287 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 21:57:25,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:57:25,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820584174] [2024-11-22 21:57:25,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820584174] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 21:57:25,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90294416] [2024-11-22 21:57:25,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:25,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:57:25,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:57:25,290 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 21:57:25,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-22 21:57:25,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:25,335 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 21:57:25,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:57:25,359 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 21:57:25,359 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 21:57:25,424 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 21:57:25,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [90294416] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 21:57:25,425 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 21:57:25,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-22 21:57:25,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914040599] [2024-11-22 21:57:25,425 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 21:57:25,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 21:57:25,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:57:25,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 21:57:25,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-22 21:57:25,427 INFO L87 Difference]: Start difference. First operand 44 states and 52 transitions. Second operand has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 21:57:25,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:57:25,453 INFO L93 Difference]: Finished difference Result 89 states and 106 transitions. [2024-11-22 21:57:25,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 21:57:25,453 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2024-11-22 21:57:25,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:57:25,454 INFO L225 Difference]: With dead ends: 89 [2024-11-22 21:57:25,454 INFO L226 Difference]: Without dead ends: 52 [2024-11-22 21:57:25,454 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-22 21:57:25,455 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 2 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:57:25,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 141 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:57:25,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-22 21:57:25,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-22 21:57:25,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 45 states have (on average 1.2444444444444445) internal successors, (56), 48 states have internal predecessors, (56), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 21:57:25,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 60 transitions. [2024-11-22 21:57:25,461 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 60 transitions. Word has length 25 [2024-11-22 21:57:25,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:57:25,461 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 60 transitions. [2024-11-22 21:57:25,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 21:57:25,462 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 60 transitions. [2024-11-22 21:57:25,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-22 21:57:25,462 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:57:25,462 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:57:25,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-22 21:57:25,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:57:25,663 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-22 21:57:25,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:57:25,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1016016390, now seen corresponding path program 2 times [2024-11-22 21:57:25,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:57:25,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030174633] [2024-11-22 21:57:25,664 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 21:57:25,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:57:25,675 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 21:57:25,675 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 21:57:25,696 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-22 21:57:25,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:57:25,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030174633] [2024-11-22 21:57:25,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030174633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:57:25,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:57:25,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 21:57:25,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083448743] [2024-11-22 21:57:25,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:57:25,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 21:57:25,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:57:25,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 21:57:25,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:57:25,698 INFO L87 Difference]: Start difference. First operand 52 states and 60 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 21:57:25,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:57:25,723 INFO L93 Difference]: Finished difference Result 76 states and 88 transitions. [2024-11-22 21:57:25,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 21:57:25,723 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 33 [2024-11-22 21:57:25,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:57:25,724 INFO L225 Difference]: With dead ends: 76 [2024-11-22 21:57:25,724 INFO L226 Difference]: Without dead ends: 62 [2024-11-22 21:57:25,725 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:57:25,725 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 3 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:57:25,725 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 94 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:57:25,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-22 21:57:25,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 57. [2024-11-22 21:57:25,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 49 states have (on average 1.2244897959183674) internal successors, (60), 52 states have internal predecessors, (60), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 21:57:25,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 66 transitions. [2024-11-22 21:57:25,733 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 66 transitions. Word has length 33 [2024-11-22 21:57:25,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:57:25,733 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 66 transitions. [2024-11-22 21:57:25,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 21:57:25,734 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 66 transitions. [2024-11-22 21:57:25,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-22 21:57:25,737 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:57:25,737 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:57:25,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 21:57:25,738 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-22 21:57:25,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:57:25,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1095179905, now seen corresponding path program 1 times [2024-11-22 21:57:25,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:57:25,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723756793] [2024-11-22 21:57:25,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:25,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:57:25,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:25,788 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-22 21:57:25,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:57:25,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723756793] [2024-11-22 21:57:25,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723756793] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 21:57:25,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1815501653] [2024-11-22 21:57:25,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:25,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:57:25,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:57:25,794 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 21:57:25,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-22 21:57:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:25,853 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 21:57:25,854 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:57:25,914 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 21:57:25,915 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 21:57:26,001 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 21:57:26,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1815501653] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 21:57:26,002 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 21:57:26,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 9, 9] total 18 [2024-11-22 21:57:26,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981938368] [2024-11-22 21:57:26,004 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 21:57:26,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-22 21:57:26,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:57:26,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-22 21:57:26,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2024-11-22 21:57:26,007 INFO L87 Difference]: Start difference. First operand 57 states and 66 transitions. Second operand has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 18 states have internal predecessors, (62), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 21:57:26,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:57:26,171 INFO L93 Difference]: Finished difference Result 132 states and 158 transitions. [2024-11-22 21:57:26,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-22 21:57:26,172 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 18 states have internal predecessors, (62), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2024-11-22 21:57:26,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:57:26,172 INFO L225 Difference]: With dead ends: 132 [2024-11-22 21:57:26,173 INFO L226 Difference]: Without dead ends: 90 [2024-11-22 21:57:26,173 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=218, Invalid=712, Unknown=0, NotChecked=0, Total=930 [2024-11-22 21:57:26,174 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 8 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 21:57:26,174 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 279 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 21:57:26,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-22 21:57:26,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 82. [2024-11-22 21:57:26,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 74 states have (on average 1.162162162162162) internal successors, (86), 77 states have internal predecessors, (86), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 21:57:26,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 92 transitions. [2024-11-22 21:57:26,179 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 92 transitions. Word has length 34 [2024-11-22 21:57:26,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:57:26,179 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 92 transitions. [2024-11-22 21:57:26,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 18 states have internal predecessors, (62), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 21:57:26,180 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2024-11-22 21:57:26,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-22 21:57:26,180 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:57:26,181 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:57:26,189 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-22 21:57:26,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:57:26,381 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-22 21:57:26,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:57:26,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1897632450, now seen corresponding path program 2 times [2024-11-22 21:57:26,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:57:26,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625540364] [2024-11-22 21:57:26,382 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 21:57:26,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:57:26,394 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 21:57:26,394 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 21:57:26,411 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-22 21:57:26,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:57:26,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625540364] [2024-11-22 21:57:26,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625540364] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:57:26,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:57:26,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 21:57:26,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818260275] [2024-11-22 21:57:26,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:57:26,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 21:57:26,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:57:26,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 21:57:26,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:57:26,413 INFO L87 Difference]: Start difference. First operand 82 states and 92 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 21:57:26,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:57:26,438 INFO L93 Difference]: Finished difference Result 90 states and 101 transitions. [2024-11-22 21:57:26,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 21:57:26,438 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 55 [2024-11-22 21:57:26,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:57:26,439 INFO L225 Difference]: With dead ends: 90 [2024-11-22 21:57:26,439 INFO L226 Difference]: Without dead ends: 88 [2024-11-22 21:57:26,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:57:26,440 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 3 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:57:26,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 96 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:57:26,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-22 21:57:26,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-22 21:57:26,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 79 states have (on average 1.1518987341772151) internal successors, (91), 82 states have internal predecessors, (91), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 21:57:26,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 99 transitions. [2024-11-22 21:57:26,445 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 99 transitions. Word has length 55 [2024-11-22 21:57:26,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:57:26,446 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 99 transitions. [2024-11-22 21:57:26,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 21:57:26,446 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 99 transitions. [2024-11-22 21:57:26,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-22 21:57:26,447 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:57:26,447 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:57:26,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 21:57:26,447 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-22 21:57:26,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:57:26,448 INFO L85 PathProgramCache]: Analyzing trace with hash 89272734, now seen corresponding path program 1 times [2024-11-22 21:57:26,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:57:26,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866394860] [2024-11-22 21:57:26,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:26,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:57:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:26,533 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-22 21:57:26,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:57:26,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866394860] [2024-11-22 21:57:26,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866394860] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:57:26,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:57:26,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 21:57:26,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818673804] [2024-11-22 21:57:26,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:57:26,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 21:57:26,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:57:26,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 21:57:26,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:57:26,534 INFO L87 Difference]: Start difference. First operand 88 states and 99 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 21:57:26,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:57:26,557 INFO L93 Difference]: Finished difference Result 90 states and 101 transitions. [2024-11-22 21:57:26,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 21:57:26,557 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 55 [2024-11-22 21:57:26,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:57:26,558 INFO L225 Difference]: With dead ends: 90 [2024-11-22 21:57:26,558 INFO L226 Difference]: Without dead ends: 89 [2024-11-22 21:57:26,558 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:57:26,559 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 2 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:57:26,559 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 96 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:57:26,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-22 21:57:26,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-11-22 21:57:26,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 80 states have (on average 1.15) internal successors, (92), 83 states have internal predecessors, (92), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 21:57:26,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 100 transitions. [2024-11-22 21:57:26,571 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 100 transitions. Word has length 55 [2024-11-22 21:57:26,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:57:26,572 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 100 transitions. [2024-11-22 21:57:26,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 21:57:26,572 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 100 transitions. [2024-11-22 21:57:26,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-22 21:57:26,573 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:57:26,573 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:57:26,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 21:57:26,573 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-22 21:57:26,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:57:26,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1348500365, now seen corresponding path program 1 times [2024-11-22 21:57:26,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:57:26,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157943049] [2024-11-22 21:57:26,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:26,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:57:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:26,647 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-22 21:57:26,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:57:26,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157943049] [2024-11-22 21:57:26,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157943049] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 21:57:26,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509113269] [2024-11-22 21:57:26,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:26,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:57:26,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:57:26,649 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 21:57:26,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-22 21:57:26,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:26,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-22 21:57:26,731 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:57:26,885 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-22 21:57:26,885 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 21:57:27,142 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-22 21:57:27,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1509113269] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 21:57:27,143 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 21:57:27,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 17, 17] total 35 [2024-11-22 21:57:27,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620425038] [2024-11-22 21:57:27,143 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 21:57:27,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-22 21:57:27,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:57:27,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-22 21:57:27,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=909, Unknown=0, NotChecked=0, Total=1190 [2024-11-22 21:57:27,145 INFO L87 Difference]: Start difference. First operand 89 states and 100 transitions. Second operand has 35 states, 35 states have (on average 2.857142857142857) internal successors, (100), 35 states have internal predecessors, (100), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 21:57:27,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:57:27,569 INFO L93 Difference]: Finished difference Result 197 states and 232 transitions. [2024-11-22 21:57:27,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-22 21:57:27,570 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 2.857142857142857) internal successors, (100), 35 states have internal predecessors, (100), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2024-11-22 21:57:27,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:57:27,570 INFO L225 Difference]: With dead ends: 197 [2024-11-22 21:57:27,570 INFO L226 Difference]: Without dead ends: 139 [2024-11-22 21:57:27,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 927 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=855, Invalid=3177, Unknown=0, NotChecked=0, Total=4032 [2024-11-22 21:57:27,572 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 10 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 21:57:27,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 277 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 21:57:27,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-22 21:57:27,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 131. [2024-11-22 21:57:27,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 122 states have (on average 1.1147540983606556) internal successors, (136), 125 states have internal predecessors, (136), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 21:57:27,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 144 transitions. [2024-11-22 21:57:27,584 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 144 transitions. Word has length 64 [2024-11-22 21:57:27,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:57:27,584 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 144 transitions. [2024-11-22 21:57:27,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.857142857142857) internal successors, (100), 35 states have internal predecessors, (100), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 21:57:27,584 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 144 transitions. [2024-11-22 21:57:27,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-22 21:57:27,585 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:57:27,585 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:57:27,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-22 21:57:27,786 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,SelfDestructingSolverStorable12 [2024-11-22 21:57:27,787 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-22 21:57:27,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:57:27,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1813490434, now seen corresponding path program 2 times [2024-11-22 21:57:27,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:57:27,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505224433] [2024-11-22 21:57:27,787 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 21:57:27,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:57:27,824 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 21:57:27,825 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 21:57:27,960 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2024-11-22 21:57:27,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:57:27,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505224433] [2024-11-22 21:57:27,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505224433] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 21:57:27,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1238539701] [2024-11-22 21:57:27,961 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 21:57:27,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:57:27,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:57:27,963 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 21:57:27,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-22 21:57:28,062 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 21:57:28,063 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 21:57:28,064 INFO L255 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-22 21:57:28,067 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:57:28,534 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-22 21:57:28,534 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 21:57:29,265 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-22 21:57:29,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1238539701] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 21:57:29,265 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 21:57:29,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 33, 33] total 68 [2024-11-22 21:57:29,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741544724] [2024-11-22 21:57:29,265 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 21:57:29,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2024-11-22 21:57:29,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:57:29,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2024-11-22 21:57:29,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1064, Invalid=3492, Unknown=0, NotChecked=0, Total=4556 [2024-11-22 21:57:29,268 INFO L87 Difference]: Start difference. First operand 131 states and 144 transitions. Second operand has 68 states, 68 states have (on average 2.5) internal successors, (170), 68 states have internal predecessors, (170), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 21:57:29,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:57:29,473 INFO L93 Difference]: Finished difference Result 262 states and 304 transitions. [2024-11-22 21:57:29,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-11-22 21:57:29,473 INFO L78 Accepts]: Start accepts. Automaton has has 68 states, 68 states have (on average 2.5) internal successors, (170), 68 states have internal predecessors, (170), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 101 [2024-11-22 21:57:29,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:57:29,474 INFO L225 Difference]: With dead ends: 262 [2024-11-22 21:57:29,474 INFO L226 Difference]: Without dead ends: 194 [2024-11-22 21:57:29,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1109 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1064, Invalid=3492, Unknown=0, NotChecked=0, Total=4556 [2024-11-22 21:57:29,475 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 5 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 21:57:29,476 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 372 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 21:57:29,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-22 21:57:29,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2024-11-22 21:57:29,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 186 states have (on average 1.0698924731182795) internal successors, (199), 188 states have internal predecessors, (199), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 21:57:29,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 207 transitions. [2024-11-22 21:57:29,482 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 207 transitions. Word has length 101 [2024-11-22 21:57:29,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:57:29,482 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 207 transitions. [2024-11-22 21:57:29,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 2.5) internal successors, (170), 68 states have internal predecessors, (170), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 21:57:29,482 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 207 transitions. [2024-11-22 21:57:29,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-22 21:57:29,483 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:57:29,483 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 31, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:57:29,490 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-22 21:57:29,687 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,SelfDestructingSolverStorable13 [2024-11-22 21:57:29,688 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-22 21:57:29,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:57:29,688 INFO L85 PathProgramCache]: Analyzing trace with hash 44150008, now seen corresponding path program 1 times [2024-11-22 21:57:29,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:57:29,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087514652] [2024-11-22 21:57:29,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:29,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:57:29,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:29,904 INFO L134 CoverageAnalysis]: Checked inductivity of 1918 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 1900 trivial. 0 not checked. [2024-11-22 21:57:29,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:57:29,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087514652] [2024-11-22 21:57:29,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087514652] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 21:57:29,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516426907] [2024-11-22 21:57:29,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:29,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:57:29,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:57:29,906 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 21:57:29,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-22 21:57:30,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:30,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-22 21:57:30,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:57:31,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1918 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-22 21:57:31,346 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 21:57:33,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1918 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-22 21:57:33,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [516426907] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 21:57:33,671 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 21:57:33,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 65, 65] total 132 [2024-11-22 21:57:33,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832690856] [2024-11-22 21:57:33,671 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 21:57:33,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 132 states [2024-11-22 21:57:33,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:57:33,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2024-11-22 21:57:33,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4174, Invalid=13118, Unknown=0, NotChecked=0, Total=17292 [2024-11-22 21:57:33,679 INFO L87 Difference]: Start difference. First operand 194 states and 207 transitions. Second operand has 132 states, 132 states have (on average 2.257575757575758) internal successors, (298), 132 states have internal predecessors, (298), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 21:57:37,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:57:37,298 INFO L93 Difference]: Finished difference Result 407 states and 470 transitions. [2024-11-22 21:57:37,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-11-22 21:57:37,299 INFO L78 Accepts]: Start accepts. Automaton has has 132 states, 132 states have (on average 2.257575757575758) internal successors, (298), 132 states have internal predecessors, (298), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 166 [2024-11-22 21:57:37,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:57:37,300 INFO L225 Difference]: With dead ends: 407 [2024-11-22 21:57:37,300 INFO L226 Difference]: Without dead ends: 340 [2024-11-22 21:57:37,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 255 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17613 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=12769, Invalid=53023, Unknown=0, NotChecked=0, Total=65792 [2024-11-22 21:57:37,309 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 11 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 21:57:37,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 416 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 21:57:37,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-22 21:57:37,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 332. [2024-11-22 21:57:37,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 324 states have (on average 1.0462962962962963) internal successors, (339), 326 states have internal predecessors, (339), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 21:57:37,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 347 transitions. [2024-11-22 21:57:37,321 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 347 transitions. Word has length 166 [2024-11-22 21:57:37,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:57:37,322 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 347 transitions. [2024-11-22 21:57:37,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 132 states, 132 states have (on average 2.257575757575758) internal successors, (298), 132 states have internal predecessors, (298), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 21:57:37,322 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 347 transitions. [2024-11-22 21:57:37,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2024-11-22 21:57:37,325 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:57:37,325 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 63, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:57:37,332 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-22 21:57:37,527 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,SelfDestructingSolverStorable14 [2024-11-22 21:57:37,528 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-22 21:57:37,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:57:37,528 INFO L85 PathProgramCache]: Analyzing trace with hash -73173531, now seen corresponding path program 2 times [2024-11-22 21:57:37,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:57:37,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992527977] [2024-11-22 21:57:37,528 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 21:57:37,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:57:37,634 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 21:57:37,634 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 21:57:37,912 INFO L134 CoverageAnalysis]: Checked inductivity of 7918 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7913 trivial. 0 not checked. [2024-11-22 21:57:37,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:57:37,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992527977] [2024-11-22 21:57:37,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992527977] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 21:57:37,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598578335] [2024-11-22 21:57:37,913 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 21:57:37,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 21:57:37,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:57:37,915 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 21:57:37,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-22 21:57:38,178 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 21:57:38,178 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 21:57:38,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 1363 conjuncts, 128 conjuncts are in the unsatisfiable core [2024-11-22 21:57:38,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:57:41,940 INFO L134 CoverageAnalysis]: Checked inductivity of 7918 backedges. 0 proven. 7875 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-22 21:57:41,941 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 21:57:50,781 INFO L134 CoverageAnalysis]: Checked inductivity of 7918 backedges. 0 proven. 7875 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-22 21:57:50,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598578335] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 21:57:50,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 21:57:50,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 129, 129] total 260 [2024-11-22 21:57:50,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76852261] [2024-11-22 21:57:50,782 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 21:57:50,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 260 states [2024-11-22 21:57:50,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:57:50,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 260 interpolants. [2024-11-22 21:57:50,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16520, Invalid=50820, Unknown=0, NotChecked=0, Total=67340 [2024-11-22 21:57:50,789 INFO L87 Difference]: Start difference. First operand 332 states and 347 transitions. Second operand has 260 states, 260 states have (on average 2.1384615384615384) internal successors, (556), 260 states have internal predecessors, (556), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 21:57:51,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:57:51,778 INFO L93 Difference]: Finished difference Result 664 states and 758 transitions. [2024-11-22 21:57:51,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 259 states. [2024-11-22 21:57:51,779 INFO L78 Accepts]: Start accepts. Automaton has has 260 states, 260 states have (on average 2.1384615384615384) internal successors, (556), 260 states have internal predecessors, (556), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 299 [2024-11-22 21:57:51,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:57:51,781 INFO L225 Difference]: With dead ends: 664 [2024-11-22 21:57:51,781 INFO L226 Difference]: Without dead ends: 587 [2024-11-22 21:57:51,783 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 601 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 258 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19781 ImplicationChecksByTransitivity, 12.0s TimeCoverageRelationStatistics Valid=16520, Invalid=50820, Unknown=0, NotChecked=0, Total=67340 [2024-11-22 21:57:51,784 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 5 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 777 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 21:57:51,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 512 Invalid, 780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 777 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 21:57:51,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2024-11-22 21:57:51,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 587. [2024-11-22 21:57:51,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 580 states have (on average 1.0241379310344827) internal successors, (594), 581 states have internal predecessors, (594), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 21:57:51,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 602 transitions. [2024-11-22 21:57:51,797 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 602 transitions. Word has length 299 [2024-11-22 21:57:51,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:57:51,797 INFO L471 AbstractCegarLoop]: Abstraction has 587 states and 602 transitions. [2024-11-22 21:57:51,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 260 states, 260 states have (on average 2.1384615384615384) internal successors, (556), 260 states have internal predecessors, (556), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-22 21:57:51,798 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 602 transitions. [2024-11-22 21:57:51,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 556 [2024-11-22 21:57:51,803 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:57:51,803 INFO L215 NwaCegarLoop]: trace histogram [127, 127, 127, 127, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:57:51,812 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-22 21:57:52,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-22 21:57:52,008 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-22 21:57:52,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:57:52,008 INFO L85 PathProgramCache]: Analyzing trace with hash 447487370, now seen corresponding path program 1 times [2024-11-22 21:57:52,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:57:52,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171595239] [2024-11-22 21:57:52,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:52,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:57:52,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:52,449 INFO L134 CoverageAnalysis]: Checked inductivity of 32175 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 32170 trivial. 0 not checked. [2024-11-22 21:57:52,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:57:52,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171595239] [2024-11-22 21:57:52,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171595239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:57:52,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:57:52,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 21:57:52,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330422928] [2024-11-22 21:57:52,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:57:52,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 21:57:52,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:57:52,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 21:57:52,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:57:52,452 INFO L87 Difference]: Start difference. First operand 587 states and 602 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 21:57:52,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:57:52,476 INFO L93 Difference]: Finished difference Result 587 states and 602 transitions. [2024-11-22 21:57:52,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 21:57:52,477 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 555 [2024-11-22 21:57:52,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:57:52,479 INFO L225 Difference]: With dead ends: 587 [2024-11-22 21:57:52,479 INFO L226 Difference]: Without dead ends: 586 [2024-11-22 21:57:52,480 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:57:52,480 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 2 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:57:52,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 85 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:57:52,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2024-11-22 21:57:52,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 581. [2024-11-22 21:57:52,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 581 states, 576 states have (on average 1.0225694444444444) internal successors, (589), 576 states have internal predecessors, (589), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 21:57:52,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 595 transitions. [2024-11-22 21:57:52,493 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 595 transitions. Word has length 555 [2024-11-22 21:57:52,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:57:52,494 INFO L471 AbstractCegarLoop]: Abstraction has 581 states and 595 transitions. [2024-11-22 21:57:52,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 21:57:52,494 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 595 transitions. [2024-11-22 21:57:52,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 557 [2024-11-22 21:57:52,500 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 21:57:52,500 INFO L215 NwaCegarLoop]: trace histogram [127, 127, 127, 127, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:57:52,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 21:57:52,500 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-22 21:57:52,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:57:52,500 INFO L85 PathProgramCache]: Analyzing trace with hash 133597231, now seen corresponding path program 1 times [2024-11-22 21:57:52,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:57:52,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37338357] [2024-11-22 21:57:52,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:57:52,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:57:52,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:57:52,953 INFO L134 CoverageAnalysis]: Checked inductivity of 32175 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 32170 trivial. 0 not checked. [2024-11-22 21:57:52,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:57:52,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37338357] [2024-11-22 21:57:52,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37338357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:57:52,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:57:52,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 21:57:52,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949327165] [2024-11-22 21:57:52,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:57:52,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 21:57:52,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:57:52,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 21:57:52,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:57:52,955 INFO L87 Difference]: Start difference. First operand 581 states and 595 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 21:57:52,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 21:57:52,976 INFO L93 Difference]: Finished difference Result 581 states and 595 transitions. [2024-11-22 21:57:52,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 21:57:52,977 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 556 [2024-11-22 21:57:52,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 21:57:52,978 INFO L225 Difference]: With dead ends: 581 [2024-11-22 21:57:52,978 INFO L226 Difference]: Without dead ends: 0 [2024-11-22 21:57:52,979 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:57:52,979 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 2 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 21:57:52,979 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 82 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 21:57:52,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-22 21:57:52,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-22 21:57:52,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 21:57:52,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-22 21:57:52,980 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 556 [2024-11-22 21:57:52,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 21:57:52,980 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-22 21:57:52,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 21:57:52,980 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-22 21:57:52,981 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-22 21:57:52,983 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-11-22 21:57:52,984 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-11-22 21:57:52,984 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-22 21:57:52,984 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-22 21:57:52,984 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-22 21:57:52,984 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-22 21:57:52,984 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-22 21:57:52,985 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-22 21:57:52,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-22 21:57:52,988 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:57:52,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-22 21:57:53,879 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 21:57:53,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 09:57:53 BoogieIcfgContainer [2024-11-22 21:57:53,893 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 21:57:53,893 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 21:57:53,893 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 21:57:53,893 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 21:57:53,894 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:57:22" (3/4) ... [2024-11-22 21:57:53,895 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 21:57:53,898 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-22 21:57:53,900 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-22 21:57:53,901 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-22 21:57:53,901 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-22 21:57:53,901 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 21:57:53,973 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 21:57:53,974 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 21:57:53,974 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 21:57:53,974 INFO L158 Benchmark]: Toolchain (without parser) took 31911.55ms. Allocated memory was 153.1MB in the beginning and 465.6MB in the end (delta: 312.5MB). Free memory was 115.6MB in the beginning and 358.6MB in the end (delta: -243.0MB). Peak memory consumption was 70.4MB. Max. memory is 16.1GB. [2024-11-22 21:57:53,975 INFO L158 Benchmark]: CDTParser took 0.75ms. Allocated memory is still 107.0MB. Free memory is still 78.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 21:57:53,976 INFO L158 Benchmark]: CACSL2BoogieTranslator took 203.17ms. Allocated memory is still 153.1MB. Free memory was 115.6MB in the beginning and 102.9MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-22 21:57:53,976 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.76ms. Allocated memory is still 153.1MB. Free memory was 102.9MB in the beginning and 101.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 21:57:53,976 INFO L158 Benchmark]: Boogie Preprocessor took 57.10ms. Allocated memory is still 153.1MB. Free memory was 101.1MB in the beginning and 99.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 21:57:53,976 INFO L158 Benchmark]: RCFGBuilder took 317.51ms. Allocated memory is still 153.1MB. Free memory was 99.0MB in the beginning and 117.4MB in the end (delta: -18.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-22 21:57:53,976 INFO L158 Benchmark]: TraceAbstraction took 31215.35ms. Allocated memory was 153.1MB in the beginning and 465.6MB in the end (delta: 312.5MB). Free memory was 116.5MB in the beginning and 363.8MB in the end (delta: -247.3MB). Peak memory consumption was 291.7MB. Max. memory is 16.1GB. [2024-11-22 21:57:53,977 INFO L158 Benchmark]: Witness Printer took 80.93ms. Allocated memory is still 465.6MB. Free memory was 363.8MB in the beginning and 358.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-22 21:57:53,978 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75ms. Allocated memory is still 107.0MB. Free memory is still 78.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 203.17ms. Allocated memory is still 153.1MB. Free memory was 115.6MB in the beginning and 102.9MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.76ms. Allocated memory is still 153.1MB. Free memory was 102.9MB in the beginning and 101.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.10ms. Allocated memory is still 153.1MB. Free memory was 101.1MB in the beginning and 99.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 317.51ms. Allocated memory is still 153.1MB. Free memory was 99.0MB in the beginning and 117.4MB in the end (delta: -18.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 31215.35ms. Allocated memory was 153.1MB in the beginning and 465.6MB in the end (delta: 312.5MB). Free memory was 116.5MB in the beginning and 363.8MB in the end (delta: -247.3MB). Peak memory consumption was 291.7MB. Max. memory is 16.1GB. * Witness Printer took 80.93ms. Allocated memory is still 465.6MB. Free memory was 363.8MB in the beginning and 358.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 46 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 30.3s, OverallIterations: 18, TraceHistogramMax: 127, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 5.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 74 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 67 mSDsluCounter, 3081 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2439 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1903 IncrementalHoareTripleChecker+Invalid, 1930 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 642 mSDtfsCounter, 1903 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1681 GetRequests, 967 SyntacticMatches, 0 SemanticMatches, 714 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39618 ImplicationChecksByTransitivity, 20.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=587occurred in iteration=16, InterpolantAutomatonStates: 561, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 18 MinimizatonAttempts, 41 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 20.1s InterpolantComputationTime, 2801 NumberOfCodeBlocks, 2746 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 3455 ConstructedInterpolants, 0 QuantifiedInterpolants, 6053 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3555 ConjunctsInSsa, 266 ConjunctsInUnsatCore, 35 InterpolantComputations, 12 PerfectInterpolantSequences, 75201/95861 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 8 specifications checked. All of them hold - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: (((i == 0) && (j == 0)) || ((i == 0) && (1 <= j))) - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: ((0 < x) || (x == 0)) - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: (0 < ((long long) i + 1)) - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: ((0 < x) || (x == 0)) RESULT: Ultimate proved your program to be correct! [2024-11-22 21:57:54,000 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