./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/array14_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/array14_alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a0f9dc1e3a944fe0c87fb9c3f72dec5466e715e61eb5b701f6540feca3c935ad --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 13:10:32,455 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 13:10:32,517 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-13 13:10:32,524 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 13:10:32,525 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 13:10:32,557 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 13:10:32,558 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 13:10:32,559 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 13:10:32,560 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 13:10:32,562 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 13:10:32,562 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 13:10:32,562 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 13:10:32,563 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 13:10:32,563 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 13:10:32,565 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 13:10:32,565 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 13:10:32,566 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 13:10:32,566 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 13:10:32,566 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 13:10:32,567 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 13:10:32,567 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 13:10:32,570 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 13:10:32,570 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 13:10:32,570 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 13:10:32,571 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 13:10:32,571 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 13:10:32,571 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 13:10:32,572 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 13:10:32,572 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 13:10:32,573 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 13:10:32,573 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 13:10:32,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 13:10:32,574 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 13:10:32,574 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 13:10:32,575 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 13:10:32,575 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 13:10:32,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 13:10:32,576 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 13:10:32,576 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 13:10:32,576 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 13:10:32,577 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 13:10:32,577 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0f9dc1e3a944fe0c87fb9c3f72dec5466e715e61eb5b701f6540feca3c935ad [2024-10-13 13:10:32,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 13:10:32,903 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 13:10:32,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 13:10:32,906 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 13:10:32,907 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 13:10:32,908 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/array14_alloca.i [2024-10-13 13:10:34,363 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 13:10:34,644 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 13:10:34,645 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/array14_alloca.i [2024-10-13 13:10:34,656 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5e56fc8b/226b2fc6762c43a9869229613cee4a95/FLAG0fd1c8880 [2024-10-13 13:10:34,668 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5e56fc8b/226b2fc6762c43a9869229613cee4a95 [2024-10-13 13:10:34,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 13:10:34,671 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 13:10:34,672 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 13:10:34,672 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 13:10:34,685 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 13:10:34,686 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:10:34" (1/1) ... [2024-10-13 13:10:34,687 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c6ab468 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:34, skipping insertion in model container [2024-10-13 13:10:34,687 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:10:34" (1/1) ... [2024-10-13 13:10:34,719 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 13:10:35,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 13:10:35,030 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 13:10:35,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 13:10:35,111 INFO L204 MainTranslator]: Completed translation [2024-10-13 13:10:35,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:35 WrapperNode [2024-10-13 13:10:35,111 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 13:10:35,112 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 13:10:35,113 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 13:10:35,113 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 13:10:35,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:35" (1/1) ... [2024-10-13 13:10:35,128 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:35" (1/1) ... [2024-10-13 13:10:35,148 INFO L138 Inliner]: procedures = 151, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 63 [2024-10-13 13:10:35,148 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 13:10:35,149 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 13:10:35,150 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 13:10:35,150 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 13:10:35,160 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:35" (1/1) ... [2024-10-13 13:10:35,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:35" (1/1) ... [2024-10-13 13:10:35,162 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:35" (1/1) ... [2024-10-13 13:10:35,181 INFO L175 MemorySlicer]: Split 4 memory accesses to 1 slices as follows [4]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2]. [2024-10-13 13:10:35,182 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:35" (1/1) ... [2024-10-13 13:10:35,182 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:35" (1/1) ... [2024-10-13 13:10:35,186 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:35" (1/1) ... [2024-10-13 13:10:35,189 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:35" (1/1) ... [2024-10-13 13:10:35,190 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:35" (1/1) ... [2024-10-13 13:10:35,190 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:35" (1/1) ... [2024-10-13 13:10:35,192 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 13:10:35,193 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 13:10:35,193 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 13:10:35,193 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 13:10:35,194 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:35" (1/1) ... [2024-10-13 13:10:35,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 13:10:35,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:10:35,223 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 13:10:35,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 13:10:35,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 13:10:35,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 13:10:35,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 13:10:35,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 13:10:35,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 13:10:35,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 13:10:35,343 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 13:10:35,345 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 13:10:35,528 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-10-13 13:10:35,528 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 13:10:35,547 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 13:10:35,547 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-13 13:10:35,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:10:35 BoogieIcfgContainer [2024-10-13 13:10:35,547 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 13:10:35,551 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 13:10:35,551 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 13:10:35,554 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 13:10:35,554 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:10:34" (1/3) ... [2024-10-13 13:10:35,555 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb0f39e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:10:35, skipping insertion in model container [2024-10-13 13:10:35,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:35" (2/3) ... [2024-10-13 13:10:35,556 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb0f39e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:10:35, skipping insertion in model container [2024-10-13 13:10:35,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:10:35" (3/3) ... [2024-10-13 13:10:35,558 INFO L112 eAbstractionObserver]: Analyzing ICFG array14_alloca.i [2024-10-13 13:10:35,574 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 13:10:35,574 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-13 13:10:35,639 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 13:10:35,648 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;@3858e5a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 13:10:35,649 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-13 13:10:35,653 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 18 states have (on average 1.7777777777777777) internal successors, (32), 24 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:35,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-13 13:10:35,658 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:10:35,658 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:10:35,660 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 13:10:35,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:10:35,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1153354443, now seen corresponding path program 1 times [2024-10-13 13:10:35,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:10:35,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827880206] [2024-10-13 13:10:35,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:10:35,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:10:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:10:35,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:10:35,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:10:35,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827880206] [2024-10-13 13:10:35,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827880206] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:10:35,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:10:35,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:10:35,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273276085] [2024-10-13 13:10:35,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:10:35,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:10:35,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:10:35,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:10:35,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:10:35,967 INFO L87 Difference]: Start difference. First operand has 25 states, 18 states have (on average 1.7777777777777777) internal successors, (32), 24 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:36,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:10:36,017 INFO L93 Difference]: Finished difference Result 46 states and 58 transitions. [2024-10-13 13:10:36,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:10:36,020 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-10-13 13:10:36,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:10:36,027 INFO L225 Difference]: With dead ends: 46 [2024-10-13 13:10:36,028 INFO L226 Difference]: Without dead ends: 27 [2024-10-13 13:10:36,030 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:10:36,033 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 2 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:10:36,034 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 63 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:10:36,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-10-13 13:10:36,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-10-13 13:10:36,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 26 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:36,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 33 transitions. [2024-10-13 13:10:36,063 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 33 transitions. Word has length 8 [2024-10-13 13:10:36,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:10:36,063 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 33 transitions. [2024-10-13 13:10:36,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:36,063 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2024-10-13 13:10:36,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-13 13:10:36,064 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:10:36,064 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:10:36,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 13:10:36,064 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 13:10:36,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:10:36,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1392776791, now seen corresponding path program 1 times [2024-10-13 13:10:36,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:10:36,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711047908] [2024-10-13 13:10:36,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:10:36,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:10:36,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:10:36,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:10:36,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:10:36,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711047908] [2024-10-13 13:10:36,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711047908] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:10:36,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:10:36,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 13:10:36,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610100560] [2024-10-13 13:10:36,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:10:36,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:10:36,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:10:36,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:10:36,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:10:36,155 INFO L87 Difference]: Start difference. First operand 27 states and 33 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:36,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:10:36,186 INFO L93 Difference]: Finished difference Result 38 states and 45 transitions. [2024-10-13 13:10:36,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:10:36,187 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-10-13 13:10:36,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:10:36,187 INFO L225 Difference]: With dead ends: 38 [2024-10-13 13:10:36,188 INFO L226 Difference]: Without dead ends: 27 [2024-10-13 13:10:36,188 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:10:36,189 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 28 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:10:36,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 34 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:10:36,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-10-13 13:10:36,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-10-13 13:10:36,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 26 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:36,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2024-10-13 13:10:36,198 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 32 transitions. Word has length 9 [2024-10-13 13:10:36,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:10:36,198 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 32 transitions. [2024-10-13 13:10:36,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:36,199 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2024-10-13 13:10:36,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-13 13:10:36,199 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:10:36,199 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:10:36,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 13:10:36,200 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 13:10:36,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:10:36,202 INFO L85 PathProgramCache]: Analyzing trace with hash 317160953, now seen corresponding path program 1 times [2024-10-13 13:10:36,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:10:36,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171860830] [2024-10-13 13:10:36,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:10:36,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:10:36,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:10:36,341 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:10:36,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:10:36,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171860830] [2024-10-13 13:10:36,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171860830] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:10:36,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1770153543] [2024-10-13 13:10:36,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:10:36,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:10:36,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:10:36,347 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:10:36,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 13:10:36,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:10:36,430 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:10:36,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:10:36,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:10:36,578 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:10:36,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1770153543] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:10:36,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:10:36,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 10 [2024-10-13 13:10:36,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710349814] [2024-10-13 13:10:36,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:10:36,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:10:36,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:10:36,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:10:36,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:10:36,581 INFO L87 Difference]: Start difference. First operand 27 states and 32 transitions. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:36,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:10:36,636 INFO L93 Difference]: Finished difference Result 64 states and 75 transitions. [2024-10-13 13:10:36,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:10:36,637 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-10-13 13:10:36,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:10:36,638 INFO L225 Difference]: With dead ends: 64 [2024-10-13 13:10:36,638 INFO L226 Difference]: Without dead ends: 46 [2024-10-13 13:10:36,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:10:36,640 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 15 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:10:36,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 74 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:10:36,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-10-13 13:10:36,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 35. [2024-10-13 13:10:36,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 29 states have (on average 1.4137931034482758) internal successors, (41), 34 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:36,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 41 transitions. [2024-10-13 13:10:36,647 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 41 transitions. Word has length 13 [2024-10-13 13:10:36,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:10:36,648 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 41 transitions. [2024-10-13 13:10:36,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:36,648 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2024-10-13 13:10:36,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-13 13:10:36,649 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:10:36,649 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:10:36,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-13 13:10:36,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:10:36,850 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 13:10:36,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:10:36,851 INFO L85 PathProgramCache]: Analyzing trace with hash 575326391, now seen corresponding path program 1 times [2024-10-13 13:10:36,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:10:36,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387136971] [2024-10-13 13:10:36,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:10:36,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:10:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:10:36,985 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:10:36,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:10:36,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387136971] [2024-10-13 13:10:36,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387136971] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:10:36,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584587960] [2024-10-13 13:10:36,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:10:36,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:10:36,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:10:36,992 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:10:36,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 13:10:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:10:37,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:10:37,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:10:37,099 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:10:37,099 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:10:37,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1584587960] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:10:37,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:10:37,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-10-13 13:10:37,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737239736] [2024-10-13 13:10:37,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:10:37,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:10:37,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:10:37,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:10:37,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:10:37,101 INFO L87 Difference]: Start difference. First operand 35 states and 41 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:37,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:10:37,150 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2024-10-13 13:10:37,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:10:37,151 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-10-13 13:10:37,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:10:37,153 INFO L225 Difference]: With dead ends: 35 [2024-10-13 13:10:37,153 INFO L226 Difference]: Without dead ends: 34 [2024-10-13 13:10:37,153 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:10:37,154 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 3 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:10:37,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 70 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:10:37,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-10-13 13:10:37,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-10-13 13:10:37,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 33 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:37,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 40 transitions. [2024-10-13 13:10:37,161 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 40 transitions. Word has length 13 [2024-10-13 13:10:37,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:10:37,161 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 40 transitions. [2024-10-13 13:10:37,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:37,162 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2024-10-13 13:10:37,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-13 13:10:37,164 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:10:37,164 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:10:37,180 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-13 13:10:37,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-10-13 13:10:37,365 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 13:10:37,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:10:37,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1240582377, now seen corresponding path program 1 times [2024-10-13 13:10:37,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:10:37,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747495466] [2024-10-13 13:10:37,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:10:37,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:10:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:10:37,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 13:10:37,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:10:37,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747495466] [2024-10-13 13:10:37,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747495466] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:10:37,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:10:37,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:10:37,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537401272] [2024-10-13 13:10:37,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:10:37,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:10:37,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:10:37,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:10:37,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:10:37,436 INFO L87 Difference]: Start difference. First operand 34 states and 40 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:37,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:10:37,460 INFO L93 Difference]: Finished difference Result 40 states and 47 transitions. [2024-10-13 13:10:37,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:10:37,461 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-10-13 13:10:37,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:10:37,462 INFO L225 Difference]: With dead ends: 40 [2024-10-13 13:10:37,462 INFO L226 Difference]: Without dead ends: 38 [2024-10-13 13:10:37,462 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:10:37,463 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 1 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:10:37,463 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 53 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:10:37,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-10-13 13:10:37,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-10-13 13:10:37,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 37 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:37,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions. [2024-10-13 13:10:37,473 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 45 transitions. Word has length 14 [2024-10-13 13:10:37,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:10:37,474 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 45 transitions. [2024-10-13 13:10:37,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:37,474 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2024-10-13 13:10:37,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-13 13:10:37,475 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:10:37,475 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:10:37,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 13:10:37,477 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 13:10:37,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:10:37,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1240582569, now seen corresponding path program 1 times [2024-10-13 13:10:37,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:10:37,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634557435] [2024-10-13 13:10:37,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:10:37,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:10:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:10:37,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 13:10:37,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:10:37,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634557435] [2024-10-13 13:10:37,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634557435] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:10:37,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:10:37,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:10:37,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767926502] [2024-10-13 13:10:37,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:10:37,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:10:37,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:10:37,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:10:37,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:10:37,565 INFO L87 Difference]: Start difference. First operand 38 states and 45 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:37,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:10:37,591 INFO L93 Difference]: Finished difference Result 42 states and 49 transitions. [2024-10-13 13:10:37,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:10:37,592 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-10-13 13:10:37,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:10:37,594 INFO L225 Difference]: With dead ends: 42 [2024-10-13 13:10:37,594 INFO L226 Difference]: Without dead ends: 40 [2024-10-13 13:10:37,595 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:10:37,596 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 1 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:10:37,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 53 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:10:37,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-10-13 13:10:37,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-10-13 13:10:37,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 39 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:37,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 47 transitions. [2024-10-13 13:10:37,607 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 47 transitions. Word has length 14 [2024-10-13 13:10:37,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:10:37,608 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 47 transitions. [2024-10-13 13:10:37,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:37,608 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2024-10-13 13:10:37,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-13 13:10:37,609 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:10:37,609 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-13 13:10:37,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 13:10:37,609 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 13:10:37,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:10:37,610 INFO L85 PathProgramCache]: Analyzing trace with hash 655249000, now seen corresponding path program 1 times [2024-10-13 13:10:37,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:10:37,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664449104] [2024-10-13 13:10:37,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:10:37,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:10:37,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:10:37,681 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:10:37,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:10:37,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664449104] [2024-10-13 13:10:37,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664449104] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:10:37,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748616026] [2024-10-13 13:10:37,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:10:37,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:10:37,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:10:37,683 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:10:37,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 13:10:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:10:37,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:10:37,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:10:37,779 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:10:37,779 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:10:37,824 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:10:37,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748616026] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:10:37,824 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:10:37,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-13 13:10:37,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194310818] [2024-10-13 13:10:37,825 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:10:37,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 13:10:37,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:10:37,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 13:10:37,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:10:37,827 INFO L87 Difference]: Start difference. First operand 40 states and 47 transitions. Second operand has 12 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 12 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:37,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:10:37,890 INFO L93 Difference]: Finished difference Result 56 states and 71 transitions. [2024-10-13 13:10:37,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 13:10:37,890 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 12 states have internal predecessors, (31), 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 [2024-10-13 13:10:37,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:10:37,893 INFO L225 Difference]: With dead ends: 56 [2024-10-13 13:10:37,893 INFO L226 Difference]: Without dead ends: 55 [2024-10-13 13:10:37,893 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:10:37,894 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 7 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:10:37,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 122 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:10:37,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-10-13 13:10:37,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-10-13 13:10:37,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 50 states have (on average 1.36) internal successors, (68), 54 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:37,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 68 transitions. [2024-10-13 13:10:37,902 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 68 transitions. Word has length 14 [2024-10-13 13:10:37,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:10:37,902 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 68 transitions. [2024-10-13 13:10:37,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 12 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:37,902 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2024-10-13 13:10:37,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-13 13:10:37,903 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:10:37,903 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:10:37,920 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-13 13:10:38,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:10:38,104 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 13:10:38,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:10:38,104 INFO L85 PathProgramCache]: Analyzing trace with hash -121106844, now seen corresponding path program 1 times [2024-10-13 13:10:38,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:10:38,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951413685] [2024-10-13 13:10:38,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:10:38,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:10:38,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:10:38,164 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 13:10:38,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:10:38,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951413685] [2024-10-13 13:10:38,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951413685] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:10:38,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [480723814] [2024-10-13 13:10:38,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:10:38,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:10:38,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:10:38,167 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:10:38,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 13:10:38,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:10:38,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:10:38,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:10:38,248 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 13:10:38,249 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:10:38,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [480723814] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:10:38,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:10:38,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-10-13 13:10:38,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206569542] [2024-10-13 13:10:38,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:10:38,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:10:38,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:10:38,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:10:38,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:10:38,253 INFO L87 Difference]: Start difference. First operand 55 states and 68 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:38,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:10:38,278 INFO L93 Difference]: Finished difference Result 66 states and 80 transitions. [2024-10-13 13:10:38,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:10:38,279 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-10-13 13:10:38,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:10:38,280 INFO L225 Difference]: With dead ends: 66 [2024-10-13 13:10:38,283 INFO L226 Difference]: Without dead ends: 53 [2024-10-13 13:10:38,283 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:10:38,284 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:10:38,284 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 53 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:10:38,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-10-13 13:10:38,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-10-13 13:10:38,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 48 states have (on average 1.3541666666666667) internal successors, (65), 52 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:38,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 65 transitions. [2024-10-13 13:10:38,294 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 65 transitions. Word has length 18 [2024-10-13 13:10:38,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:10:38,294 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 65 transitions. [2024-10-13 13:10:38,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:38,294 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2024-10-13 13:10:38,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-13 13:10:38,296 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:10:38,296 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:10:38,313 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-13 13:10:38,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:10:38,497 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 13:10:38,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:10:38,497 INFO L85 PathProgramCache]: Analyzing trace with hash 56387934, now seen corresponding path program 1 times [2024-10-13 13:10:38,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:10:38,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438682116] [2024-10-13 13:10:38,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:10:38,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:10:38,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:10:38,539 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-13 13:10:38,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:10:38,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438682116] [2024-10-13 13:10:38,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438682116] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:10:38,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:10:38,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:10:38,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48567528] [2024-10-13 13:10:38,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:10:38,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:10:38,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:10:38,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:10:38,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:10:38,541 INFO L87 Difference]: Start difference. First operand 53 states and 65 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:38,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:10:38,558 INFO L93 Difference]: Finished difference Result 53 states and 65 transitions. [2024-10-13 13:10:38,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:10:38,558 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-10-13 13:10:38,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:10:38,559 INFO L225 Difference]: With dead ends: 53 [2024-10-13 13:10:38,559 INFO L226 Difference]: Without dead ends: 52 [2024-10-13 13:10:38,559 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:10:38,559 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 1 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:10:38,560 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 49 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:10:38,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-10-13 13:10:38,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-10-13 13:10:38,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 48 states have (on average 1.3333333333333333) internal successors, (64), 51 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:38,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 64 transitions. [2024-10-13 13:10:38,564 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 64 transitions. Word has length 18 [2024-10-13 13:10:38,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:10:38,564 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 64 transitions. [2024-10-13 13:10:38,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:38,564 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2024-10-13 13:10:38,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-13 13:10:38,565 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:10:38,565 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:10:38,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 13:10:38,565 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 13:10:38,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:10:38,566 INFO L85 PathProgramCache]: Analyzing trace with hash 56388126, now seen corresponding path program 1 times [2024-10-13 13:10:38,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:10:38,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651361908] [2024-10-13 13:10:38,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:10:38,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:10:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:10:38,607 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-13 13:10:38,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:10:38,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651361908] [2024-10-13 13:10:38,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651361908] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:10:38,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:10:38,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:10:38,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838227365] [2024-10-13 13:10:38,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:10:38,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:10:38,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:10:38,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:10:38,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:10:38,609 INFO L87 Difference]: Start difference. First operand 52 states and 64 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:38,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:10:38,645 INFO L93 Difference]: Finished difference Result 53 states and 65 transitions. [2024-10-13 13:10:38,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:10:38,646 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-10-13 13:10:38,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:10:38,647 INFO L225 Difference]: With dead ends: 53 [2024-10-13 13:10:38,647 INFO L226 Difference]: Without dead ends: 52 [2024-10-13 13:10:38,647 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:10:38,662 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 1 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:10:38,663 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 46 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:10:38,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-10-13 13:10:38,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 51. [2024-10-13 13:10:38,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 48 states have (on average 1.3125) internal successors, (63), 50 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:38,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 63 transitions. [2024-10-13 13:10:38,683 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 63 transitions. Word has length 18 [2024-10-13 13:10:38,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:10:38,684 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 63 transitions. [2024-10-13 13:10:38,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:38,684 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2024-10-13 13:10:38,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-13 13:10:38,685 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:10:38,685 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:10:38,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 13:10:38,685 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 13:10:38,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:10:38,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1748026037, now seen corresponding path program 1 times [2024-10-13 13:10:38,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:10:38,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166439363] [2024-10-13 13:10:38,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:10:38,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:10:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:10:38,750 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 13:10:38,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:10:38,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166439363] [2024-10-13 13:10:38,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166439363] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:10:38,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [74804120] [2024-10-13 13:10:38,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:10:38,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:10:38,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:10:38,753 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:10:38,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-13 13:10:38,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:10:38,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:10:38,816 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:10:38,881 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 13:10:38,881 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:10:38,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [74804120] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:10:38,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:10:38,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 9 [2024-10-13 13:10:38,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197560286] [2024-10-13 13:10:38,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:10:38,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:10:38,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:10:38,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:10:38,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:10:38,883 INFO L87 Difference]: Start difference. First operand 51 states and 63 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:38,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:10:38,916 INFO L93 Difference]: Finished difference Result 65 states and 78 transitions. [2024-10-13 13:10:38,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:10:38,916 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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 19 [2024-10-13 13:10:38,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:10:38,917 INFO L225 Difference]: With dead ends: 65 [2024-10-13 13:10:38,917 INFO L226 Difference]: Without dead ends: 43 [2024-10-13 13:10:38,917 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:10:38,918 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 1 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:10:38,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 53 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:10:38,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-10-13 13:10:38,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-10-13 13:10:38,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 40 states have (on average 1.325) internal successors, (53), 42 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) [2024-10-13 13:10:38,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 53 transitions. [2024-10-13 13:10:38,924 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 53 transitions. Word has length 19 [2024-10-13 13:10:38,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:10:38,924 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 53 transitions. [2024-10-13 13:10:38,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:38,924 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2024-10-13 13:10:38,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-13 13:10:38,925 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:10:38,925 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:10:38,942 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-13 13:10:39,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-13 13:10:39,130 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 13:10:39,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:10:39,130 INFO L85 PathProgramCache]: Analyzing trace with hash -246118669, now seen corresponding path program 1 times [2024-10-13 13:10:39,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:10:39,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795287225] [2024-10-13 13:10:39,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:10:39,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:10:39,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:10:39,181 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 13:10:39,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:10:39,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795287225] [2024-10-13 13:10:39,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795287225] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:10:39,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052675306] [2024-10-13 13:10:39,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:10:39,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:10:39,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:10:39,183 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:10:39,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-13 13:10:39,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:10:39,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-13 13:10:39,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:10:39,336 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:10:39,336 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:10:39,419 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:10:39,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052675306] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:10:39,420 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:10:39,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 16 [2024-10-13 13:10:39,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545198801] [2024-10-13 13:10:39,420 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:10:39,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-13 13:10:39,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:10:39,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-13 13:10:39,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2024-10-13 13:10:39,421 INFO L87 Difference]: Start difference. First operand 43 states and 53 transitions. Second operand has 16 states, 16 states have (on average 2.5625) internal successors, (41), 16 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:39,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:10:39,570 INFO L93 Difference]: Finished difference Result 61 states and 74 transitions. [2024-10-13 13:10:39,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-13 13:10:39,570 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.5625) internal successors, (41), 16 states have internal predecessors, (41), 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 19 [2024-10-13 13:10:39,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:10:39,571 INFO L225 Difference]: With dead ends: 61 [2024-10-13 13:10:39,571 INFO L226 Difference]: Without dead ends: 47 [2024-10-13 13:10:39,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 23 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2024-10-13 13:10:39,572 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 5 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:10:39,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 65 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:10:39,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-10-13 13:10:39,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-10-13 13:10:39,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 46 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:39,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 57 transitions. [2024-10-13 13:10:39,579 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 57 transitions. Word has length 19 [2024-10-13 13:10:39,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:10:39,583 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 57 transitions. [2024-10-13 13:10:39,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.5625) internal successors, (41), 16 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:39,583 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2024-10-13 13:10:39,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-13 13:10:39,584 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:10:39,584 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:10:39,598 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-13 13:10:39,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:10:39,785 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 13:10:39,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:10:39,786 INFO L85 PathProgramCache]: Analyzing trace with hash -570871665, now seen corresponding path program 1 times [2024-10-13 13:10:39,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:10:39,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050521133] [2024-10-13 13:10:39,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:10:39,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:10:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:10:39,842 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-13 13:10:39,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:10:39,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050521133] [2024-10-13 13:10:39,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050521133] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:10:39,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128798332] [2024-10-13 13:10:39,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:10:39,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:10:39,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:10:39,845 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:10:39,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-13 13:10:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:10:39,905 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:10:39,906 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:10:39,929 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-13 13:10:39,929 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:10:39,965 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-13 13:10:39,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128798332] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:10:39,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:10:39,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-13 13:10:39,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31684610] [2024-10-13 13:10:39,966 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:10:39,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 13:10:39,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:10:39,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 13:10:39,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:10:39,967 INFO L87 Difference]: Start difference. First operand 47 states and 57 transitions. Second operand has 12 states, 11 states have (on average 3.0) internal successors, (33), 12 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:40,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:10:40,007 INFO L93 Difference]: Finished difference Result 60 states and 75 transitions. [2024-10-13 13:10:40,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 13:10:40,008 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.0) internal successors, (33), 12 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2024-10-13 13:10:40,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:10:40,008 INFO L225 Difference]: With dead ends: 60 [2024-10-13 13:10:40,008 INFO L226 Difference]: Without dead ends: 59 [2024-10-13 13:10:40,008 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:10:40,009 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 0 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:10:40,009 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:10:40,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-10-13 13:10:40,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-10-13 13:10:40,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 56 states have (on average 1.2857142857142858) internal successors, (72), 58 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:40,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 72 transitions. [2024-10-13 13:10:40,013 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 72 transitions. Word has length 24 [2024-10-13 13:10:40,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:10:40,014 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 72 transitions. [2024-10-13 13:10:40,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.0) internal successors, (33), 12 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:40,014 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 72 transitions. [2024-10-13 13:10:40,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-13 13:10:40,014 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:10:40,014 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:10:40,032 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-13 13:10:40,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:10:40,219 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 13:10:40,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:10:40,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1645403404, now seen corresponding path program 1 times [2024-10-13 13:10:40,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:10:40,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665329230] [2024-10-13 13:10:40,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:10:40,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:10:40,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:10:40,303 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-13 13:10:40,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:10:40,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665329230] [2024-10-13 13:10:40,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665329230] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:10:40,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315428393] [2024-10-13 13:10:40,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:10:40,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:10:40,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:10:40,307 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:10:40,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-13 13:10:40,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:10:40,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 13:10:40,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:10:40,396 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-13 13:10:40,396 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:10:40,454 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-13 13:10:40,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [315428393] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:10:40,455 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:10:40,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2024-10-13 13:10:40,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682429479] [2024-10-13 13:10:40,455 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:10:40,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 13:10:40,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:10:40,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 13:10:40,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:10:40,457 INFO L87 Difference]: Start difference. First operand 59 states and 72 transitions. Second operand has 12 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:40,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:10:40,501 INFO L93 Difference]: Finished difference Result 72 states and 90 transitions. [2024-10-13 13:10:40,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 13:10:40,501 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2024-10-13 13:10:40,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:10:40,502 INFO L225 Difference]: With dead ends: 72 [2024-10-13 13:10:40,502 INFO L226 Difference]: Without dead ends: 70 [2024-10-13 13:10:40,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:10:40,503 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 0 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:10:40,503 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:10:40,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-10-13 13:10:40,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 62. [2024-10-13 13:10:40,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 60 states have (on average 1.2666666666666666) internal successors, (76), 61 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:40,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 76 transitions. [2024-10-13 13:10:40,507 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 76 transitions. Word has length 28 [2024-10-13 13:10:40,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:10:40,508 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 76 transitions. [2024-10-13 13:10:40,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:40,508 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 76 transitions. [2024-10-13 13:10:40,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-13 13:10:40,509 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:10:40,509 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 1, 1, 1, 1, 1] [2024-10-13 13:10:40,525 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-13 13:10:40,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-13 13:10:40,710 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 13:10:40,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:10:40,710 INFO L85 PathProgramCache]: Analyzing trace with hash -588438510, now seen corresponding path program 2 times [2024-10-13 13:10:40,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:10:40,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007468288] [2024-10-13 13:10:40,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:10:40,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:10:40,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:10:40,862 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:10:40,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:10:40,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007468288] [2024-10-13 13:10:40,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007468288] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:10:40,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641047071] [2024-10-13 13:10:40,863 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:10:40,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:10:40,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:10:40,865 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:10:40,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-13 13:10:40,930 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-13 13:10:40,930 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:10:40,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:10:40,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:10:41,000 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-13 13:10:41,000 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:10:41,054 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-13 13:10:41,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [641047071] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:10:41,055 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:10:41,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 3, 3] total 14 [2024-10-13 13:10:41,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223388072] [2024-10-13 13:10:41,055 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:10:41,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 13:10:41,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:10:41,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 13:10:41,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-10-13 13:10:41,056 INFO L87 Difference]: Start difference. First operand 62 states and 76 transitions. Second operand has 15 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 15 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:41,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:10:41,228 INFO L93 Difference]: Finished difference Result 68 states and 86 transitions. [2024-10-13 13:10:41,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-13 13:10:41,228 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 15 states have internal predecessors, (43), 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 29 [2024-10-13 13:10:41,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:10:41,229 INFO L225 Difference]: With dead ends: 68 [2024-10-13 13:10:41,229 INFO L226 Difference]: Without dead ends: 67 [2024-10-13 13:10:41,230 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 52 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=165, Invalid=537, Unknown=0, NotChecked=0, Total=702 [2024-10-13 13:10:41,230 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 29 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:10:41,230 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 69 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:10:41,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-10-13 13:10:41,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 47. [2024-10-13 13:10:41,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.2173913043478262) internal successors, (56), 46 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:41,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 56 transitions. [2024-10-13 13:10:41,234 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 56 transitions. Word has length 29 [2024-10-13 13:10:41,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:10:41,234 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 56 transitions. [2024-10-13 13:10:41,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 15 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:41,235 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2024-10-13 13:10:41,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-10-13 13:10:41,235 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:10:41,235 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:10:41,258 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-13 13:10:41,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-13 13:10:41,436 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-13 13:10:41,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:10:41,437 INFO L85 PathProgramCache]: Analyzing trace with hash -911241782, now seen corresponding path program 2 times [2024-10-13 13:10:41,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:10:41,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931604357] [2024-10-13 13:10:41,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:10:41,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:10:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:10:41,596 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 14 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:10:41,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:10:41,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931604357] [2024-10-13 13:10:41,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931604357] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:10:41,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211956405] [2024-10-13 13:10:41,596 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:10:41,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:10:41,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:10:41,598 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:10:41,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-13 13:10:41,656 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-13 13:10:41,656 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:10:41,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:10:41,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:10:41,743 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-10-13 13:10:41,743 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:10:41,809 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-10-13 13:10:41,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211956405] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:10:41,809 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:10:41,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 3, 3] total 16 [2024-10-13 13:10:41,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352893556] [2024-10-13 13:10:41,810 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:10:41,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-13 13:10:41,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:10:41,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-13 13:10:41,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-10-13 13:10:41,811 INFO L87 Difference]: Start difference. First operand 47 states and 56 transitions. Second operand has 16 states, 16 states have (on average 3.5625) internal successors, (57), 16 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:42,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:10:42,041 INFO L93 Difference]: Finished difference Result 88 states and 107 transitions. [2024-10-13 13:10:42,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-13 13:10:42,042 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.5625) internal successors, (57), 16 states have internal predecessors, (57), 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 36 [2024-10-13 13:10:42,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:10:42,042 INFO L225 Difference]: With dead ends: 88 [2024-10-13 13:10:42,042 INFO L226 Difference]: Without dead ends: 0 [2024-10-13 13:10:42,043 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 67 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=691, Unknown=0, NotChecked=0, Total=812 [2024-10-13 13:10:42,044 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 11 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:10:42,044 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 37 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:10:42,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-13 13:10:42,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-13 13:10:42,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:42,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-13 13:10:42,046 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2024-10-13 13:10:42,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:10:42,046 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 13:10:42,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.5625) internal successors, (57), 16 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:10:42,047 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-13 13:10:42,047 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-13 13:10:42,049 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-10-13 13:10:42,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-10-13 13:10:42,051 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-10-13 13:10:42,051 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-10-13 13:10:42,051 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-10-13 13:10:42,051 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-10-13 13:10:42,069 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-13 13:10:42,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-13 13:10:42,255 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:10:42,257 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-13 13:10:42,428 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 13:10:42,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 01:10:42 BoogieIcfgContainer [2024-10-13 13:10:42,445 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 13:10:42,446 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 13:10:42,446 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 13:10:42,446 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 13:10:42,446 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:10:35" (3/4) ... [2024-10-13 13:10:42,448 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 13:10:42,454 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-10-13 13:10:42,454 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-13 13:10:42,454 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-13 13:10:42,454 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 13:10:42,546 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 13:10:42,546 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 13:10:42,546 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 13:10:42,547 INFO L158 Benchmark]: Toolchain (without parser) took 7875.99ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 142.1MB in the beginning and 133.3MB in the end (delta: 8.8MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. [2024-10-13 13:10:42,547 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 178.3MB. Free memory was 144.2MB in the beginning and 144.0MB in the end (delta: 153.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 13:10:42,547 INFO L158 Benchmark]: CACSL2BoogieTranslator took 439.52ms. Allocated memory is still 178.3MB. Free memory was 141.9MB in the beginning and 130.7MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-13 13:10:42,548 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.66ms. Allocated memory is still 178.3MB. Free memory was 130.7MB in the beginning and 128.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 13:10:42,548 INFO L158 Benchmark]: Boogie Preprocessor took 42.82ms. Allocated memory is still 178.3MB. Free memory was 128.6MB in the beginning and 126.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 13:10:42,548 INFO L158 Benchmark]: RCFGBuilder took 354.66ms. Allocated memory is still 178.3MB. Free memory was 126.5MB in the beginning and 142.1MB in the end (delta: -15.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-13 13:10:42,548 INFO L158 Benchmark]: TraceAbstraction took 6894.58ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 141.8MB in the beginning and 137.5MB in the end (delta: 4.3MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2024-10-13 13:10:42,549 INFO L158 Benchmark]: Witness Printer took 100.77ms. Allocated memory is still 213.9MB. Free memory was 137.5MB in the beginning and 133.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 13:10:42,553 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 178.3MB. Free memory was 144.2MB in the beginning and 144.0MB in the end (delta: 153.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 439.52ms. Allocated memory is still 178.3MB. Free memory was 141.9MB in the beginning and 130.7MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.66ms. Allocated memory is still 178.3MB. Free memory was 130.7MB in the beginning and 128.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.82ms. Allocated memory is still 178.3MB. Free memory was 128.6MB in the beginning and 126.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 354.66ms. Allocated memory is still 178.3MB. Free memory was 126.5MB in the beginning and 142.1MB in the end (delta: -15.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 6894.58ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 141.8MB in the beginning and 137.5MB in the end (delta: 4.3MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. * Witness Printer took 100.77ms. Allocated memory is still 213.9MB. Free memory was 137.5MB in the beginning and 133.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 370]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 370]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 379]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 379]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 381]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 381]: 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, 25 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 6.6s, OverallIterations: 16, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 105 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 105 mSDsluCounter, 1004 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 753 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 841 IncrementalHoareTripleChecker+Invalid, 858 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 251 mSDtfsCounter, 841 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 461 GetRequests, 315 SyntacticMatches, 9 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 414 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=14, InterpolantAutomatonStates: 123, 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, 16 MinimizatonAttempts, 40 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 507 NumberOfCodeBlocks, 461 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 625 ConstructedInterpolants, 0 QuantifiedInterpolants, 1519 SizeOfPredicates, 11 NumberOfNonLiveVariables, 683 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 32 InterpolantComputations, 10 PerfectInterpolantSequences, 234/408 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 6 specifications checked. All of them hold - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: ((((length <= 2147483647) && (1 <= i)) && (1 <= length)) || (((length <= 2147483647) && (i == 0)) && (1 <= length))) - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: ((((((long) j + 1) <= 0) && (1 <= length)) || (length == 1)) || (((length <= 2147483647) && (j <= 2147483647)) && (1 <= length))) RESULT: Ultimate proved your program to be correct! [2024-10-13 13:10:42,587 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE