./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/diff-2-n-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/diff-2-n-u.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cb0d07e46dc94102f1a204dcfe0d8cca3d45653b0db7cea07d03c16ba8563271 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 20:08:19,196 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 20:08:19,252 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 20:08:19,257 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 20:08:19,259 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 20:08:19,287 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 20:08:19,287 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 20:08:19,288 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 20:08:19,288 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 20:08:19,288 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 20:08:19,289 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 20:08:19,289 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 20:08:19,293 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 20:08:19,294 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 20:08:19,294 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 20:08:19,294 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 20:08:19,294 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 20:08:19,295 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 20:08:19,295 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 20:08:19,295 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 20:08:19,295 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 20:08:19,298 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 20:08:19,298 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 20:08:19,298 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 20:08:19,298 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 20:08:19,298 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 20:08:19,299 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 20:08:19,299 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 20:08:19,299 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 20:08:19,299 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 20:08:19,300 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 20:08:19,300 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 20:08:19,300 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 20:08:19,300 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 20:08:19,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:08:19,300 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 20:08:19,300 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 20:08:19,301 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 20:08:19,301 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 20:08:19,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 20:08:19,301 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 20:08:19,302 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 20:08:19,302 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 20:08:19,302 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 20:08:19,302 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb0d07e46dc94102f1a204dcfe0d8cca3d45653b0db7cea07d03c16ba8563271 [2024-10-11 20:08:19,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 20:08:19,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 20:08:19,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 20:08:19,565 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 20:08:19,566 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 20:08:19,567 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/diff-2-n-u.c [2024-10-11 20:08:20,941 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 20:08:21,103 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 20:08:21,104 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/diff-2-n-u.c [2024-10-11 20:08:21,110 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/de823d596/d98ba64ca0524da8a8b017c1a402a309/FLAGcbffc1887 [2024-10-11 20:08:21,122 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/de823d596/d98ba64ca0524da8a8b017c1a402a309 [2024-10-11 20:08:21,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 20:08:21,126 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 20:08:21,127 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 20:08:21,128 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 20:08:21,136 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 20:08:21,137 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:08:21" (1/1) ... [2024-10-11 20:08:21,137 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49fefe60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:21, skipping insertion in model container [2024-10-11 20:08:21,138 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:08:21" (1/1) ... [2024-10-11 20:08:21,155 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 20:08:21,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:08:21,347 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 20:08:21,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:08:21,383 INFO L204 MainTranslator]: Completed translation [2024-10-11 20:08:21,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:21 WrapperNode [2024-10-11 20:08:21,383 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 20:08:21,384 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 20:08:21,385 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 20:08:21,385 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 20:08:21,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:21" (1/1) ... [2024-10-11 20:08:21,399 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:21" (1/1) ... [2024-10-11 20:08:21,469 INFO L138 Inliner]: procedures = 14, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 129 [2024-10-11 20:08:21,472 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 20:08:21,476 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 20:08:21,476 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 20:08:21,476 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 20:08:21,495 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:21" (1/1) ... [2024-10-11 20:08:21,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:21" (1/1) ... [2024-10-11 20:08:21,497 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:21" (1/1) ... [2024-10-11 20:08:21,527 INFO L175 MemorySlicer]: Split 12 memory accesses to 4 slices as follows [2, 4, 4, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 5 writes are split as follows [0, 2, 2, 1]. [2024-10-11 20:08:21,527 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:21" (1/1) ... [2024-10-11 20:08:21,527 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:21" (1/1) ... [2024-10-11 20:08:21,532 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:21" (1/1) ... [2024-10-11 20:08:21,535 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:21" (1/1) ... [2024-10-11 20:08:21,538 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:21" (1/1) ... [2024-10-11 20:08:21,538 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:21" (1/1) ... [2024-10-11 20:08:21,540 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 20:08:21,541 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 20:08:21,541 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 20:08:21,541 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 20:08:21,542 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:21" (1/1) ... [2024-10-11 20:08:21,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:08:21,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:08:21,576 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 20:08:21,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 20:08:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 20:08:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 20:08:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 20:08:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 20:08:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 20:08:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 20:08:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 20:08:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 20:08:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 20:08:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 20:08:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 20:08:21,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 20:08:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 20:08:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 20:08:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 20:08:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 20:08:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 20:08:21,678 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 20:08:21,680 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 20:08:21,841 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2024-10-11 20:08:21,842 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 20:08:21,865 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 20:08:21,865 INFO L314 CfgBuilder]: Removed 8 assume(true) statements. [2024-10-11 20:08:21,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:08:21 BoogieIcfgContainer [2024-10-11 20:08:21,866 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 20:08:21,867 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 20:08:21,868 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 20:08:21,870 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 20:08:21,870 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 08:08:21" (1/3) ... [2024-10-11 20:08:21,871 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e75b579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:08:21, skipping insertion in model container [2024-10-11 20:08:21,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:21" (2/3) ... [2024-10-11 20:08:21,871 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e75b579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:08:21, skipping insertion in model container [2024-10-11 20:08:21,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:08:21" (3/3) ... [2024-10-11 20:08:21,872 INFO L112 eAbstractionObserver]: Analyzing ICFG diff-2-n-u.c [2024-10-11 20:08:21,886 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 20:08:21,886 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-10-11 20:08:21,942 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 20:08:21,949 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;@60b8d54, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 20:08:21,950 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-10-11 20:08:21,953 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 31 states have (on average 2.064516129032258) internal successors, (64), 47 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:21,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-11 20:08:21,957 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:21,958 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-11 20:08:21,959 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-11 20:08:21,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:21,965 INFO L85 PathProgramCache]: Analyzing trace with hash 5522492, now seen corresponding path program 1 times [2024-10-11 20:08:21,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:21,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878481417] [2024-10-11 20:08:21,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:21,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:22,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:08:22,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:22,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878481417] [2024-10-11 20:08:22,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878481417] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:08:22,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:08:22,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:08:22,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934967207] [2024-10-11 20:08:22,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:08:22,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:08:22,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:22,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:08:22,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:08:22,262 INFO L87 Difference]: Start difference. First operand has 48 states, 31 states have (on average 2.064516129032258) internal successors, (64), 47 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:22,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:22,373 INFO L93 Difference]: Finished difference Result 109 states and 158 transitions. [2024-10-11 20:08:22,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:08:22,375 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-10-11 20:08:22,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:22,380 INFO L225 Difference]: With dead ends: 109 [2024-10-11 20:08:22,381 INFO L226 Difference]: Without dead ends: 60 [2024-10-11 20:08:22,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:08:22,385 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 63 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:22,386 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 62 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:08:22,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-10-11 20:08:22,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-10-11 20:08:22,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 44 states have (on average 1.5227272727272727) internal successors, (67), 59 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:22,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 67 transitions. [2024-10-11 20:08:22,417 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 67 transitions. Word has length 4 [2024-10-11 20:08:22,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:22,418 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 67 transitions. [2024-10-11 20:08:22,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:22,418 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 67 transitions. [2024-10-11 20:08:22,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-11 20:08:22,419 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:22,419 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:08:22,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 20:08:22,419 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-11 20:08:22,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:22,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1313493870, now seen corresponding path program 1 times [2024-10-11 20:08:22,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:22,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180781210] [2024-10-11 20:08:22,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:22,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:22,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:22,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 20:08:22,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:22,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180781210] [2024-10-11 20:08:22,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180781210] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:08:22,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:08:22,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-11 20:08:22,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126106053] [2024-10-11 20:08:22,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:08:22,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:08:22,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:22,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:08:22,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:08:22,479 INFO L87 Difference]: Start difference. First operand 60 states and 67 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:22,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:22,540 INFO L93 Difference]: Finished difference Result 116 states and 130 transitions. [2024-10-11 20:08:22,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:08:22,541 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-11 20:08:22,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:22,542 INFO L225 Difference]: With dead ends: 116 [2024-10-11 20:08:22,542 INFO L226 Difference]: Without dead ends: 108 [2024-10-11 20:08:22,542 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:08:22,543 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 29 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:22,544 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 55 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:08:22,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-10-11 20:08:22,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 100. [2024-10-11 20:08:22,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 84 states have (on average 1.4523809523809523) internal successors, (122), 99 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:22,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 122 transitions. [2024-10-11 20:08:22,554 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 122 transitions. Word has length 7 [2024-10-11 20:08:22,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:22,554 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 122 transitions. [2024-10-11 20:08:22,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:22,554 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 122 transitions. [2024-10-11 20:08:22,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-11 20:08:22,555 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:22,555 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-10-11 20:08:22,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 20:08:22,555 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-11 20:08:22,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:22,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1313493925, now seen corresponding path program 1 times [2024-10-11 20:08:22,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:22,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589385624] [2024-10-11 20:08:22,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:22,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:22,611 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:08:22,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:22,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589385624] [2024-10-11 20:08:22,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589385624] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:08:22,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1207055719] [2024-10-11 20:08:22,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:22,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:22,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:08:22,617 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:08:22,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 20:08:22,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:22,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:08:22,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:08:22,706 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:08:22,706 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:08:22,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1207055719] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:08:22,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:08:22,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-10-11 20:08:22,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085468720] [2024-10-11 20:08:22,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:08:22,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:08:22,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:22,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:08:22,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:08:22,709 INFO L87 Difference]: Start difference. First operand 100 states and 122 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:22,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:22,771 INFO L93 Difference]: Finished difference Result 100 states and 122 transitions. [2024-10-11 20:08:22,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:08:22,772 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-11 20:08:22,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:22,773 INFO L225 Difference]: With dead ends: 100 [2024-10-11 20:08:22,773 INFO L226 Difference]: Without dead ends: 96 [2024-10-11 20:08:22,773 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:08:22,774 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 17 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:22,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 54 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:08:22,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-10-11 20:08:22,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-10-11 20:08:22,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 84 states have (on average 1.3571428571428572) internal successors, (114), 95 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:22,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 114 transitions. [2024-10-11 20:08:22,783 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 114 transitions. Word has length 7 [2024-10-11 20:08:22,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:22,783 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 114 transitions. [2024-10-11 20:08:22,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:22,784 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 114 transitions. [2024-10-11 20:08:22,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-11 20:08:22,784 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:22,784 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2024-10-11 20:08:22,800 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 20:08:22,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:22,989 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-11 20:08:22,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:22,990 INFO L85 PathProgramCache]: Analyzing trace with hash 2063606065, now seen corresponding path program 1 times [2024-10-11 20:08:22,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:22,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555551782] [2024-10-11 20:08:22,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:22,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:23,073 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:08:23,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:23,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555551782] [2024-10-11 20:08:23,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555551782] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:08:23,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275235600] [2024-10-11 20:08:23,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:23,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:23,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:08:23,084 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:08:23,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 20:08:23,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:23,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:08:23,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:08:23,180 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:08:23,180 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:08:23,208 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:08:23,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275235600] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:08:23,209 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:08:23,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-11 20:08:23,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33041756] [2024-10-11 20:08:23,212 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:08:23,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:08:23,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:23,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:08:23,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:08:23,213 INFO L87 Difference]: Start difference. First operand 96 states and 114 transitions. Second operand has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:23,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:23,378 INFO L93 Difference]: Finished difference Result 184 states and 246 transitions. [2024-10-11 20:08:23,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:08:23,378 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-10-11 20:08:23,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:23,380 INFO L225 Difference]: With dead ends: 184 [2024-10-11 20:08:23,380 INFO L226 Difference]: Without dead ends: 180 [2024-10-11 20:08:23,381 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:08:23,383 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 32 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:23,383 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 130 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:08:23,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-10-11 20:08:23,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2024-10-11 20:08:23,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 168 states have (on average 1.3214285714285714) internal successors, (222), 179 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:23,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 222 transitions. [2024-10-11 20:08:23,407 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 222 transitions. Word has length 8 [2024-10-11 20:08:23,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:23,408 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 222 transitions. [2024-10-11 20:08:23,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:23,408 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 222 transitions. [2024-10-11 20:08:23,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-11 20:08:23,408 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:23,409 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-10-11 20:08:23,434 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 20:08:23,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:23,610 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-11 20:08:23,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:23,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1919905797, now seen corresponding path program 1 times [2024-10-11 20:08:23,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:23,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981046974] [2024-10-11 20:08:23,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:23,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:23,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:23,760 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-11 20:08:23,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:23,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981046974] [2024-10-11 20:08:23,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981046974] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:08:23,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573063480] [2024-10-11 20:08:23,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:23,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:23,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:08:23,766 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:08:23,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 20:08:23,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:23,857 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:08:23,858 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:08:23,924 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-11 20:08:23,924 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:08:23,974 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-11 20:08:23,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [573063480] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:08:23,975 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:08:23,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 4, 4] total 9 [2024-10-11 20:08:23,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472478386] [2024-10-11 20:08:23,975 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:08:23,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 20:08:23,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:23,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 20:08:23,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:08:23,976 INFO L87 Difference]: Start difference. First operand 180 states and 222 transitions. Second operand has 10 states, 10 states have (on average 3.4) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:24,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:24,556 INFO L93 Difference]: Finished difference Result 343 states and 421 transitions. [2024-10-11 20:08:24,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 20:08:24,561 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.4) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-10-11 20:08:24,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:24,562 INFO L225 Difference]: With dead ends: 343 [2024-10-11 20:08:24,562 INFO L226 Difference]: Without dead ends: 180 [2024-10-11 20:08:24,563 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-10-11 20:08:24,563 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 342 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:24,564 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 29 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:08:24,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-10-11 20:08:24,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 176. [2024-10-11 20:08:24,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 168 states have (on average 1.1547619047619047) internal successors, (194), 175 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:24,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 194 transitions. [2024-10-11 20:08:24,605 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 194 transitions. Word has length 14 [2024-10-11 20:08:24,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:24,605 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 194 transitions. [2024-10-11 20:08:24,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.4) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:24,605 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 194 transitions. [2024-10-11 20:08:24,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-11 20:08:24,606 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:24,606 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1] [2024-10-11 20:08:24,629 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 20:08:24,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:24,814 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-11 20:08:24,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:24,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1365814109, now seen corresponding path program 2 times [2024-10-11 20:08:24,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:24,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828017118] [2024-10-11 20:08:24,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:24,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:24,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:24,901 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-11 20:08:24,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:24,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828017118] [2024-10-11 20:08:24,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828017118] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:08:24,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774072850] [2024-10-11 20:08:24,902 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:08:24,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:24,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:08:24,903 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:08:24,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 20:08:24,957 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-11 20:08:24,957 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:08:24,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:08:24,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:08:24,975 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-11 20:08:24,976 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:08:24,999 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-11 20:08:24,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [774072850] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:08:24,999 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:08:25,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2024-10-11 20:08:25,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435694896] [2024-10-11 20:08:25,000 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:08:25,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:08:25,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:25,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:08:25,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:08:25,003 INFO L87 Difference]: Start difference. First operand 176 states and 194 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:25,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:25,052 INFO L93 Difference]: Finished difference Result 176 states and 194 transitions. [2024-10-11 20:08:25,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:08:25,053 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-10-11 20:08:25,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:25,054 INFO L225 Difference]: With dead ends: 176 [2024-10-11 20:08:25,054 INFO L226 Difference]: Without dead ends: 172 [2024-10-11 20:08:25,054 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:08:25,055 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 47 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:25,055 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 60 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:08:25,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-10-11 20:08:25,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 152. [2024-10-11 20:08:25,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 148 states have (on average 1.1216216216216217) internal successors, (166), 151 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:25,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 166 transitions. [2024-10-11 20:08:25,064 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 166 transitions. Word has length 17 [2024-10-11 20:08:25,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:25,064 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 166 transitions. [2024-10-11 20:08:25,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:25,064 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 166 transitions. [2024-10-11 20:08:25,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-11 20:08:25,065 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:25,065 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 1, 1, 1] [2024-10-11 20:08:25,079 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-11 20:08:25,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-11 20:08:25,270 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-11 20:08:25,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:25,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1734666570, now seen corresponding path program 1 times [2024-10-11 20:08:25,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:25,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766628149] [2024-10-11 20:08:25,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:25,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:25,373 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-10-11 20:08:25,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:25,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766628149] [2024-10-11 20:08:25,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766628149] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:08:25,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [329598976] [2024-10-11 20:08:25,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:25,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:25,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:08:25,379 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:08:25,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 20:08:25,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:25,500 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:08:25,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:08:25,593 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 20:08:25,594 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:08:25,681 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 20:08:25,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [329598976] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:08:25,682 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:08:25,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 7, 7] total 15 [2024-10-11 20:08:25,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110270062] [2024-10-11 20:08:25,682 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:08:25,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-11 20:08:25,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:25,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-11 20:08:25,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:08:25,683 INFO L87 Difference]: Start difference. First operand 152 states and 166 transitions. Second operand has 16 states, 16 states have (on average 3.3125) internal successors, (53), 15 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:26,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:26,405 INFO L93 Difference]: Finished difference Result 613 states and 722 transitions. [2024-10-11 20:08:26,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-10-11 20:08:26,406 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.3125) internal successors, (53), 15 states have internal predecessors, (53), 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 33 [2024-10-11 20:08:26,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:26,407 INFO L225 Difference]: With dead ends: 613 [2024-10-11 20:08:26,408 INFO L226 Difference]: Without dead ends: 476 [2024-10-11 20:08:26,409 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=643, Invalid=1163, Unknown=0, NotChecked=0, Total=1806 [2024-10-11 20:08:26,409 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 1404 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 294 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1404 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 294 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:26,409 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1404 Valid, 45 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [294 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:08:26,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2024-10-11 20:08:26,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 476. [2024-10-11 20:08:26,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 472 states have (on average 1.0529661016949152) internal successors, (497), 475 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:26,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 497 transitions. [2024-10-11 20:08:26,431 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 497 transitions. Word has length 33 [2024-10-11 20:08:26,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:26,432 INFO L471 AbstractCegarLoop]: Abstraction has 476 states and 497 transitions. [2024-10-11 20:08:26,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.3125) internal successors, (53), 15 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:26,432 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 497 transitions. [2024-10-11 20:08:26,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-11 20:08:26,435 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:08:26,435 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 3, 3, 3, 2, 1, 1] [2024-10-11 20:08:26,450 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 20:08:26,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:26,636 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-10-11 20:08:26,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:08:26,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1969845997, now seen corresponding path program 2 times [2024-10-11 20:08:26,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:08:26,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964501201] [2024-10-11 20:08:26,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:08:26,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:08:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:08:26,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 0 proven. 646 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2024-10-11 20:08:26,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:08:26,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964501201] [2024-10-11 20:08:26,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964501201] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:08:26,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338782831] [2024-10-11 20:08:26,857 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:08:26,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:08:26,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:08:26,858 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:08:26,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 20:08:26,946 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-11 20:08:26,946 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:08:26,947 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:08:26,948 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:08:27,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 0 proven. 646 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2024-10-11 20:08:27,052 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:08:27,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 0 proven. 646 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2024-10-11 20:08:27,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1338782831] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:08:27,160 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:08:27,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2024-10-11 20:08:27,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721023558] [2024-10-11 20:08:27,161 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:08:27,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:08:27,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:08:27,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:08:27,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:08:27,162 INFO L87 Difference]: Start difference. First operand 476 states and 497 transitions. Second operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:27,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:08:27,218 INFO L93 Difference]: Finished difference Result 476 states and 497 transitions. [2024-10-11 20:08:27,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:08:27,219 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2024-10-11 20:08:27,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:08:27,221 INFO L225 Difference]: With dead ends: 476 [2024-10-11 20:08:27,221 INFO L226 Difference]: Without dead ends: 0 [2024-10-11 20:08:27,222 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:08:27,222 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 113 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:08:27,222 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 17 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:08:27,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-11 20:08:27,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-11 20:08:27,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:27,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-11 20:08:27,223 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 103 [2024-10-11 20:08:27,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:08:27,223 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-11 20:08:27,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:08:27,225 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-11 20:08:27,226 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-11 20:08:27,228 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2024-10-11 20:08:27,228 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2024-10-11 20:08:27,228 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2024-10-11 20:08:27,229 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2024-10-11 20:08:27,229 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2024-10-11 20:08:27,229 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2024-10-11 20:08:27,229 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2024-10-11 20:08:27,229 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2024-10-11 20:08:27,230 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2024-10-11 20:08:27,230 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2024-10-11 20:08:27,230 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2024-10-11 20:08:27,230 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2024-10-11 20:08:27,230 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2024-10-11 20:08:27,230 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2024-10-11 20:08:27,230 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2024-10-11 20:08:27,230 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2024-10-11 20:08:27,243 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 20:08:27,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-10-11 20:08:27,434 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1] [2024-10-11 20:08:27,436 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-11 20:08:28,551 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 20:08:28,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 08:08:28 BoogieIcfgContainer [2024-10-11 20:08:28,566 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 20:08:28,566 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 20:08:28,566 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 20:08:28,566 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 20:08:28,567 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:08:21" (3/4) ... [2024-10-11 20:08:28,568 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 20:08:28,573 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-10-11 20:08:28,574 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-11 20:08:28,575 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 20:08:28,575 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 20:08:28,648 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 20:08:28,649 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 20:08:28,649 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 20:08:28,649 INFO L158 Benchmark]: Toolchain (without parser) took 7523.43ms. Allocated memory was 169.9MB in the beginning and 314.6MB in the end (delta: 144.7MB). Free memory was 97.2MB in the beginning and 271.7MB in the end (delta: -174.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 20:08:28,649 INFO L158 Benchmark]: CDTParser took 0.83ms. Allocated memory is still 169.9MB. Free memory is still 121.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 20:08:28,650 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.37ms. Allocated memory is still 169.9MB. Free memory was 97.0MB in the beginning and 84.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-11 20:08:28,650 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.62ms. Allocated memory is still 169.9MB. Free memory was 84.4MB in the beginning and 137.1MB in the end (delta: -52.7MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2024-10-11 20:08:28,650 INFO L158 Benchmark]: Boogie Preprocessor took 64.71ms. Allocated memory is still 169.9MB. Free memory was 137.1MB in the beginning and 139.0MB in the end (delta: -2.0MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2024-10-11 20:08:28,650 INFO L158 Benchmark]: RCFGBuilder took 324.99ms. Allocated memory is still 169.9MB. Free memory was 139.0MB in the beginning and 121.2MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-11 20:08:28,650 INFO L158 Benchmark]: TraceAbstraction took 6698.52ms. Allocated memory was 169.9MB in the beginning and 314.6MB in the end (delta: 144.7MB). Free memory was 121.2MB in the beginning and 278.0MB in the end (delta: -156.8MB). Peak memory consumption was 164.7MB. Max. memory is 16.1GB. [2024-10-11 20:08:28,651 INFO L158 Benchmark]: Witness Printer took 82.56ms. Allocated memory is still 314.6MB. Free memory was 278.0MB in the beginning and 271.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-11 20:08:28,651 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83ms. Allocated memory is still 169.9MB. Free memory is still 121.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 256.37ms. Allocated memory is still 169.9MB. Free memory was 97.0MB in the beginning and 84.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.62ms. Allocated memory is still 169.9MB. Free memory was 84.4MB in the beginning and 137.1MB in the end (delta: -52.7MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.71ms. Allocated memory is still 169.9MB. Free memory was 137.1MB in the beginning and 139.0MB in the end (delta: -2.0MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. * RCFGBuilder took 324.99ms. Allocated memory is still 169.9MB. Free memory was 139.0MB in the beginning and 121.2MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 6698.52ms. Allocated memory was 169.9MB in the beginning and 314.6MB in the end (delta: 144.7MB). Free memory was 121.2MB in the beginning and 278.0MB in the end (delta: -156.8MB). Peak memory consumption was 164.7MB. Max. memory is 16.1GB. * Witness Printer took 82.56ms. Allocated memory is still 314.6MB. Free memory was 278.0MB in the beginning and 271.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 74]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 74]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 48 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 5.5s, OverallIterations: 8, TraceHistogramMax: 30, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2047 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2047 mSDsluCounter, 452 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 263 mSDsCounter, 461 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 892 IncrementalHoareTripleChecker+Invalid, 1353 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 461 mSolverCounterUnsat, 189 mSDtfsCounter, 892 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 405 GetRequests, 323 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 524 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=476occurred in iteration=7, InterpolantAutomatonStates: 75, 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, 8 MinimizatonAttempts, 32 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 375 NumberOfCodeBlocks, 265 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 531 ConstructedInterpolants, 0 QuantifiedInterpolants, 1579 SizeOfPredicates, 4 NumberOfNonLiveVariables, 584 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 19 InterpolantComputations, 3 PerfectInterpolantSequences, 2580/4667 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 16 specifications checked. All of them hold - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: (((((((((m <= 1000) && (1 <= i)) && (1 <= j)) && (i <= 999)) && (j <= 2147483646)) && (n == 1500)) || ((((m <= 1000) && (i == 0)) && (j == 0)) && (n == 1500))) || (((((m <= 1000) && (1 <= i)) && (i <= 999)) && (j == 0)) && (n == 1500))) || (((((m <= 1000) && (i == 0)) && (1 <= j)) && (j <= 2147483646)) && (n == 1500))) - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: (((((m <= 1000) && (1 <= i)) && (i <= 2147483646)) && (n == 1500)) || (((m <= 1000) && (i == 0)) && (n == 1500))) - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: (((((m <= 1000) && (1 <= i)) && (i <= 2147483646)) && (n == 1500)) || (((m <= 1000) && (i == 0)) && (n == 1500))) - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (((((((((m <= 1000) && (1 <= i)) && (1 <= j)) && (i <= 999)) && (j <= 2147483646)) && (n == 1500)) || ((((m <= 1000) && (i == 0)) && (j == 0)) && (n == 1500))) || (((((m <= 1000) && (1 <= i)) && (i <= 999)) && (j == 0)) && (n == 1500))) || (((((m <= 1000) && (i == 0)) && (1 <= j)) && (j <= 2147483646)) && (n == 1500))) - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: (((((((((m <= 1000) && (1 <= i)) && (1 <= j)) && (i <= 999)) && (j <= 2147483646)) && (n == 1500)) || ((((m <= 1000) && (i == 0)) && (j == 0)) && (n == 1500))) || (((((m <= 1000) && (1 <= i)) && (i <= 999)) && (j == 0)) && (n == 1500))) || (((((m <= 1000) && (i == 0)) && (1 <= j)) && (j <= 2147483646)) && (n == 1500))) - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: (((((((((m <= 1000) && (1 <= i)) && (1 <= j)) && (i <= 999)) && (j <= 2147483646)) && (n == 1500)) || ((((m <= 1000) && (i == 0)) && (j == 0)) && (n == 1500))) || (((((m <= 1000) && (1 <= i)) && (i <= 999)) && (j == 0)) && (n == 1500))) || (((((m <= 1000) && (i == 0)) && (1 <= j)) && (j <= 2147483646)) && (n == 1500))) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: (((((m <= 1000) && (1 <= i)) && (i <= 2147483646)) && (n == 1500)) || (((m <= 1000) && (i == 0)) && (n == 1500))) - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: (((((m <= 1000) && (1 <= i)) && (i <= 2147483646)) && (n == 1500)) || (((m <= 1000) && (i == 0)) && (n == 1500))) RESULT: Ultimate proved your program to be correct! [2024-10-11 20:08:28,674 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE