./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive-simple/id_i20_o20-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/id_i20_o20-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 80b250f44ccc89442200d93f4bf6653c7aad36a18be4f80bda8f239187e0714d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 19:39:14,059 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 19:39:14,131 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 19:39:14,137 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 19:39:14,138 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 19:39:14,172 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 19:39:14,174 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 19:39:14,175 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 19:39:14,176 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 19:39:14,177 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 19:39:14,178 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 19:39:14,178 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 19:39:14,179 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 19:39:14,179 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 19:39:14,181 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 19:39:14,181 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 19:39:14,181 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 19:39:14,182 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 19:39:14,182 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 19:39:14,182 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 19:39:14,183 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 19:39:14,183 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 19:39:14,183 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 19:39:14,184 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 19:39:14,184 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 19:39:14,184 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 19:39:14,185 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 19:39:14,185 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 19:39:14,185 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 19:39:14,186 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 19:39:14,186 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 19:39:14,186 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 19:39:14,187 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 19:39:14,198 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 19:39:14,198 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:39:14,198 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 19:39:14,199 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 19:39:14,199 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 19:39:14,199 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 19:39:14,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 19:39:14,200 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 19:39:14,201 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 19:39:14,201 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 19:39:14,201 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 19:39:14,202 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80b250f44ccc89442200d93f4bf6653c7aad36a18be4f80bda8f239187e0714d [2024-11-10 19:39:14,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 19:39:14,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 19:39:14,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 19:39:14,480 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 19:39:14,480 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 19:39:14,481 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_i20_o20-2.c [2024-11-10 19:39:15,908 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 19:39:16,089 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 19:39:16,090 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i20_o20-2.c [2024-11-10 19:39:16,096 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cc5ff819/802f6153b4374d3bb7c459fc56f61e24/FLAGbcb77c35e [2024-11-10 19:39:16,107 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cc5ff819/802f6153b4374d3bb7c459fc56f61e24 [2024-11-10 19:39:16,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 19:39:16,110 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 19:39:16,111 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 19:39:16,112 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 19:39:16,116 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 19:39:16,117 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:39:16" (1/1) ... [2024-11-10 19:39:16,118 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41643f12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:16, skipping insertion in model container [2024-11-10 19:39:16,118 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:39:16" (1/1) ... [2024-11-10 19:39:16,136 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 19:39:16,321 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:39:16,338 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 19:39:16,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:39:16,364 INFO L204 MainTranslator]: Completed translation [2024-11-10 19:39:16,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:16 WrapperNode [2024-11-10 19:39:16,364 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 19:39:16,365 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 19:39:16,365 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 19:39:16,365 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 19:39:16,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:16" (1/1) ... [2024-11-10 19:39:16,378 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:16" (1/1) ... [2024-11-10 19:39:16,394 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 19 [2024-11-10 19:39:16,394 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 19:39:16,395 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 19:39:16,395 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 19:39:16,395 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 19:39:16,402 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:16" (1/1) ... [2024-11-10 19:39:16,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:16" (1/1) ... [2024-11-10 19:39:16,403 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:16" (1/1) ... [2024-11-10 19:39:16,412 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 19:39:16,413 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:16" (1/1) ... [2024-11-10 19:39:16,413 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:16" (1/1) ... [2024-11-10 19:39:16,415 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:16" (1/1) ... [2024-11-10 19:39:16,415 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:16" (1/1) ... [2024-11-10 19:39:16,416 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:16" (1/1) ... [2024-11-10 19:39:16,417 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:16" (1/1) ... [2024-11-10 19:39:16,418 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 19:39:16,418 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 19:39:16,419 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 19:39:16,419 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 19:39:16,420 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:16" (1/1) ... [2024-11-10 19:39:16,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:39:16,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:39:16,450 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 19:39:16,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 19:39:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 19:39:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 19:39:16,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 19:39:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 19:39:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure id [2024-11-10 19:39:16,503 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2024-11-10 19:39:16,566 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 19:39:16,569 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 19:39:16,698 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8: havoc #t~ret4; [2024-11-10 19:39:16,710 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-10 19:39:16,710 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 19:39:16,723 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 19:39:16,723 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 19:39:16,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:39:16 BoogieIcfgContainer [2024-11-10 19:39:16,724 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 19:39:16,726 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 19:39:16,727 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 19:39:16,731 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 19:39:16,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:39:16" (1/3) ... [2024-11-10 19:39:16,732 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70ffae8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:39:16, skipping insertion in model container [2024-11-10 19:39:16,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:39:16" (2/3) ... [2024-11-10 19:39:16,732 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70ffae8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:39:16, skipping insertion in model container [2024-11-10 19:39:16,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:39:16" (3/3) ... [2024-11-10 19:39:16,734 INFO L112 eAbstractionObserver]: Analyzing ICFG id_i20_o20-2.c [2024-11-10 19:39:16,751 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 19:39:16,752 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-10 19:39:16,805 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 19:39:16,811 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;@6e903078, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 19:39:16,812 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-10 19:39:16,816 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 21 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:39:16,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-10 19:39:16,824 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:39:16,824 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-10 19:39:16,825 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-10 19:39:16,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:39:16,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1123799900, now seen corresponding path program 1 times [2024-11-10 19:39:16,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:39:16,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079235698] [2024-11-10 19:39:16,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:16,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:39:16,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:17,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:39:17,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:39:17,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079235698] [2024-11-10 19:39:17,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079235698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:39:17,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:39:17,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:39:17,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018518542] [2024-11-10 19:39:17,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:39:17,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:39:17,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:39:17,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:39:17,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:39:17,085 INFO L87 Difference]: Start difference. First operand has 25 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 21 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:39:17,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:39:17,186 INFO L93 Difference]: Finished difference Result 48 states and 51 transitions. [2024-11-10 19:39:17,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:39:17,188 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-10 19:39:17,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:39:17,194 INFO L225 Difference]: With dead ends: 48 [2024-11-10 19:39:17,194 INFO L226 Difference]: Without dead ends: 29 [2024-11-10 19:39:17,197 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:39:17,201 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 24 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:39:17,202 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 71 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:39:17,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-10 19:39:17,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 26. [2024-11-10 19:39:17,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 21 states have internal predecessors, (25), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:39:17,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2024-11-10 19:39:17,236 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 6 [2024-11-10 19:39:17,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:39:17,236 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2024-11-10 19:39:17,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:39:17,237 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2024-11-10 19:39:17,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-10 19:39:17,237 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:39:17,238 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:39:17,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 19:39:17,238 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-10 19:39:17,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:39:17,239 INFO L85 PathProgramCache]: Analyzing trace with hash 478058520, now seen corresponding path program 1 times [2024-11-10 19:39:17,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:39:17,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031975120] [2024-11-10 19:39:17,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:17,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:39:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:17,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:39:17,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:39:17,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031975120] [2024-11-10 19:39:17,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031975120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:39:17,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:39:17,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:39:17,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413803164] [2024-11-10 19:39:17,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:39:17,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:39:17,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:39:17,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:39:17,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:39:17,314 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:39:17,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:39:17,365 INFO L93 Difference]: Finished difference Result 28 states and 33 transitions. [2024-11-10 19:39:17,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:39:17,366 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-10 19:39:17,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:39:17,368 INFO L225 Difference]: With dead ends: 28 [2024-11-10 19:39:17,368 INFO L226 Difference]: Without dead ends: 27 [2024-11-10 19:39:17,369 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:39:17,370 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 21 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:39:17,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 28 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:39:17,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-10 19:39:17,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2024-11-10 19:39:17,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 20 states have internal predecessors, (23), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:39:17,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2024-11-10 19:39:17,379 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 7 [2024-11-10 19:39:17,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:39:17,380 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2024-11-10 19:39:17,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:39:17,380 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2024-11-10 19:39:17,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-10 19:39:17,381 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:39:17,381 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:39:17,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 19:39:17,381 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-10 19:39:17,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:39:17,382 INFO L85 PathProgramCache]: Analyzing trace with hash 214158321, now seen corresponding path program 1 times [2024-11-10 19:39:17,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:39:17,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675385358] [2024-11-10 19:39:17,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:17,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:39:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:17,525 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:39:17,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:39:17,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675385358] [2024-11-10 19:39:17,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675385358] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:39:17,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545892228] [2024-11-10 19:39:17,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:17,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:39:17,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:39:17,530 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:39:17,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 19:39:17,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:17,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:39:17,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:39:17,656 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:39:17,657 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:39:17,773 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:39:17,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1545892228] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:39:17,773 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:39:17,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-10 19:39:17,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347133616] [2024-11-10 19:39:17,774 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:39:17,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:39:17,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:39:17,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:39:17,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:39:17,776 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand has 12 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:39:17,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:39:17,940 INFO L93 Difference]: Finished difference Result 80 states and 86 transitions. [2024-11-10 19:39:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:39:17,943 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-10 19:39:17,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:39:17,944 INFO L225 Difference]: With dead ends: 80 [2024-11-10 19:39:17,944 INFO L226 Difference]: Without dead ends: 72 [2024-11-10 19:39:17,945 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:39:17,946 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 97 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:39:17,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 122 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:39:17,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-10 19:39:17,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 58. [2024-11-10 19:39:17,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 45 states have (on average 1.288888888888889) internal successors, (58), 47 states have internal predecessors, (58), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:39:17,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 69 transitions. [2024-11-10 19:39:17,966 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 69 transitions. Word has length 11 [2024-11-10 19:39:17,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:39:17,967 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 69 transitions. [2024-11-10 19:39:17,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:39:17,967 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 69 transitions. [2024-11-10 19:39:17,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-10 19:39:17,969 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:39:17,969 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:39:17,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-10 19:39:18,173 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 [2024-11-10 19:39:18,174 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-10 19:39:18,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:39:18,175 INFO L85 PathProgramCache]: Analyzing trace with hash 522886875, now seen corresponding path program 1 times [2024-11-10 19:39:18,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:39:18,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292751029] [2024-11-10 19:39:18,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:18,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:39:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:18,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 19:39:18,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:18,264 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-10 19:39:18,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:39:18,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292751029] [2024-11-10 19:39:18,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292751029] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:39:18,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:39:18,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:39:18,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611461871] [2024-11-10 19:39:18,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:39:18,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:39:18,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:39:18,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:39:18,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:39:18,267 INFO L87 Difference]: Start difference. First operand 58 states and 69 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:39:18,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:39:18,298 INFO L93 Difference]: Finished difference Result 82 states and 100 transitions. [2024-11-10 19:39:18,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:39:18,300 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2024-11-10 19:39:18,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:39:18,302 INFO L225 Difference]: With dead ends: 82 [2024-11-10 19:39:18,302 INFO L226 Difference]: Without dead ends: 80 [2024-11-10 19:39:18,302 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:39:18,303 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 2 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:39:18,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 39 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:39:18,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-10 19:39:18,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 76. [2024-11-10 19:39:18,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 60 states have (on average 1.2166666666666666) internal successors, (73), 61 states have internal predecessors, (73), 6 states have call successors, (6), 5 states have call predecessors, (6), 7 states have return successors, (9), 9 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-10 19:39:18,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 88 transitions. [2024-11-10 19:39:18,324 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 88 transitions. Word has length 19 [2024-11-10 19:39:18,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:39:18,324 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 88 transitions. [2024-11-10 19:39:18,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:39:18,325 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 88 transitions. [2024-11-10 19:39:18,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-10 19:39:18,325 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:39:18,326 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 1, 1, 1, 1] [2024-11-10 19:39:18,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 19:39:18,326 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-10 19:39:18,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:39:18,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1391859100, now seen corresponding path program 2 times [2024-11-10 19:39:18,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:39:18,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361777736] [2024-11-10 19:39:18,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:18,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:39:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:18,557 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:39:18,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:39:18,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361777736] [2024-11-10 19:39:18,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361777736] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:39:18,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2145857645] [2024-11-10 19:39:18,558 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:39:18,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:39:18,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:39:18,561 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:39:18,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 19:39:18,609 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:39:18,610 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:39:18,612 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 19:39:18,614 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:39:18,680 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:39:18,681 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:39:18,918 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:39:18,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2145857645] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:39:18,918 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:39:18,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-11-10 19:39:18,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025964912] [2024-11-10 19:39:18,919 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:39:18,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-10 19:39:18,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:39:18,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-10 19:39:18,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2024-11-10 19:39:18,921 INFO L87 Difference]: Start difference. First operand 76 states and 88 transitions. Second operand has 24 states, 21 states have (on average 1.9523809523809523) internal successors, (41), 14 states have internal predecessors, (41), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:39:19,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:39:19,293 INFO L93 Difference]: Finished difference Result 213 states and 231 transitions. [2024-11-10 19:39:19,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-10 19:39:19,296 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 21 states have (on average 1.9523809523809523) internal successors, (41), 14 states have internal predecessors, (41), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2024-11-10 19:39:19,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:39:19,297 INFO L225 Difference]: With dead ends: 213 [2024-11-10 19:39:19,297 INFO L226 Difference]: Without dead ends: 177 [2024-11-10 19:39:19,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=311, Invalid=811, Unknown=0, NotChecked=0, Total=1122 [2024-11-10 19:39:19,299 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 289 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:39:19,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 312 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:39:19,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-10 19:39:19,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 157. [2024-11-10 19:39:19,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 126 states have (on average 1.2222222222222223) internal successors, (154), 127 states have internal predecessors, (154), 12 states have call successors, (12), 11 states have call predecessors, (12), 16 states have return successors, (18), 18 states have call predecessors, (18), 11 states have call successors, (18) [2024-11-10 19:39:19,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 184 transitions. [2024-11-10 19:39:19,333 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 184 transitions. Word has length 26 [2024-11-10 19:39:19,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:39:19,333 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 184 transitions. [2024-11-10 19:39:19,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 21 states have (on average 1.9523809523809523) internal successors, (41), 14 states have internal predecessors, (41), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:39:19,333 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 184 transitions. [2024-11-10 19:39:19,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-10 19:39:19,334 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:39:19,334 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:39:19,351 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 19:39:19,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:39:19,539 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-10 19:39:19,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:39:19,539 INFO L85 PathProgramCache]: Analyzing trace with hash -285602841, now seen corresponding path program 1 times [2024-11-10 19:39:19,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:39:19,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728950691] [2024-11-10 19:39:19,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:19,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:39:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:19,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 19:39:19,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:19,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:19,601 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-10 19:39:19,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:39:19,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728950691] [2024-11-10 19:39:19,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728950691] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:39:19,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:39:19,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:39:19,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644077922] [2024-11-10 19:39:19,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:39:19,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:39:19,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:39:19,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:39:19,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:39:19,604 INFO L87 Difference]: Start difference. First operand 157 states and 184 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:39:19,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:39:19,617 INFO L93 Difference]: Finished difference Result 157 states and 184 transitions. [2024-11-10 19:39:19,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:39:19,618 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2024-11-10 19:39:19,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:39:19,619 INFO L225 Difference]: With dead ends: 157 [2024-11-10 19:39:19,619 INFO L226 Difference]: Without dead ends: 156 [2024-11-10 19:39:19,620 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:39:19,620 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 2 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:39:19,621 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 25 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:39:19,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-10 19:39:19,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2024-11-10 19:39:19,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 126 states have (on average 1.1349206349206349) internal successors, (143), 126 states have internal predecessors, (143), 12 states have call successors, (12), 11 states have call predecessors, (12), 16 states have return successors, (18), 18 states have call predecessors, (18), 11 states have call successors, (18) [2024-11-10 19:39:19,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 173 transitions. [2024-11-10 19:39:19,637 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 173 transitions. Word has length 40 [2024-11-10 19:39:19,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:39:19,637 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 173 transitions. [2024-11-10 19:39:19,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:39:19,638 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 173 transitions. [2024-11-10 19:39:19,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-10 19:39:19,639 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:39:19,639 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:39:19,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 19:39:19,639 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-10 19:39:19,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:39:19,640 INFO L85 PathProgramCache]: Analyzing trace with hash -263753497, now seen corresponding path program 1 times [2024-11-10 19:39:19,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:39:19,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83416946] [2024-11-10 19:39:19,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:19,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:39:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:19,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 19:39:19,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:19,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:19,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:19,787 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-10 19:39:19,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:39:19,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83416946] [2024-11-10 19:39:19,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83416946] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:39:19,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056459616] [2024-11-10 19:39:19,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:19,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:39:19,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:39:19,790 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:39:19,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 19:39:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:19,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-10 19:39:19,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:39:20,013 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 3 proven. 60 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 19:39:20,014 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:39:20,376 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 3 proven. 61 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 19:39:20,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056459616] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:39:20,377 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:39:20,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 14, 15] total 30 [2024-11-10 19:39:20,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88252807] [2024-11-10 19:39:20,377 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:39:20,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-10 19:39:20,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:39:20,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-10 19:39:20,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=725, Unknown=0, NotChecked=0, Total=870 [2024-11-10 19:39:20,380 INFO L87 Difference]: Start difference. First operand 156 states and 173 transitions. Second operand has 30 states, 28 states have (on average 2.5357142857142856) internal successors, (71), 22 states have internal predecessors, (71), 13 states have call successors, (14), 9 states have call predecessors, (14), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-10 19:39:20,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:39:20,820 INFO L93 Difference]: Finished difference Result 231 states and 250 transitions. [2024-11-10 19:39:20,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-10 19:39:20,822 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 28 states have (on average 2.5357142857142856) internal successors, (71), 22 states have internal predecessors, (71), 13 states have call successors, (14), 9 states have call predecessors, (14), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 41 [2024-11-10 19:39:20,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:39:20,823 INFO L225 Difference]: With dead ends: 231 [2024-11-10 19:39:20,824 INFO L226 Difference]: Without dead ends: 157 [2024-11-10 19:39:20,826 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 67 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=318, Invalid=1322, Unknown=0, NotChecked=0, Total=1640 [2024-11-10 19:39:20,828 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 190 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:39:20,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 498 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:39:20,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-10 19:39:20,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 146. [2024-11-10 19:39:20,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 119 states have (on average 1.1008403361344539) internal successors, (131), 118 states have internal predecessors, (131), 12 states have call successors, (12), 11 states have call predecessors, (12), 13 states have return successors, (16), 16 states have call predecessors, (16), 11 states have call successors, (16) [2024-11-10 19:39:20,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 159 transitions. [2024-11-10 19:39:20,847 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 159 transitions. Word has length 41 [2024-11-10 19:39:20,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:39:20,847 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 159 transitions. [2024-11-10 19:39:20,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 28 states have (on average 2.5357142857142856) internal successors, (71), 22 states have internal predecessors, (71), 13 states have call successors, (14), 9 states have call predecessors, (14), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-10 19:39:20,848 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 159 transitions. [2024-11-10 19:39:20,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-10 19:39:20,849 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:39:20,849 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 1, 1, 1, 1] [2024-11-10 19:39:20,865 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-10 19:39:21,050 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 [2024-11-10 19:39:21,050 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-10 19:39:21,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:39:21,051 INFO L85 PathProgramCache]: Analyzing trace with hash 578956540, now seen corresponding path program 3 times [2024-11-10 19:39:21,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:39:21,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287558163] [2024-11-10 19:39:21,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:21,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:39:21,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:21,487 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:39:21,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:39:21,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287558163] [2024-11-10 19:39:21,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287558163] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:39:21,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [150444998] [2024-11-10 19:39:21,488 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 19:39:21,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:39:21,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:39:21,493 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:39:21,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 19:39:21,541 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-10 19:39:21,541 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:39:21,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-10 19:39:21,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:39:21,658 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:39:21,658 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:39:22,324 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:39:22,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [150444998] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:39:22,325 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:39:22,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2024-11-10 19:39:22,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728761786] [2024-11-10 19:39:22,325 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:39:22,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-10 19:39:22,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:39:22,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-10 19:39:22,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=556, Invalid=1700, Unknown=0, NotChecked=0, Total=2256 [2024-11-10 19:39:22,330 INFO L87 Difference]: Start difference. First operand 146 states and 159 transitions. Second operand has 48 states, 45 states have (on average 1.9777777777777779) internal successors, (89), 26 states have internal predecessors, (89), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:39:23,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:39:23,133 INFO L93 Difference]: Finished difference Result 482 states and 514 transitions. [2024-11-10 19:39:23,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-10 19:39:23,134 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 45 states have (on average 1.9777777777777779) internal successors, (89), 26 states have internal predecessors, (89), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2024-11-10 19:39:23,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:39:23,136 INFO L225 Difference]: With dead ends: 482 [2024-11-10 19:39:23,136 INFO L226 Difference]: Without dead ends: 421 [2024-11-10 19:39:23,141 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 924 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1337, Invalid=3493, Unknown=0, NotChecked=0, Total=4830 [2024-11-10 19:39:23,142 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 602 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 603 SdHoareTripleChecker+Valid, 686 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:39:23,142 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [603 Valid, 686 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:39:23,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2024-11-10 19:39:23,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 399. [2024-11-10 19:39:23,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 326 states have (on average 1.107361963190184) internal successors, (361), 325 states have internal predecessors, (361), 24 states have call successors, (24), 23 states have call predecessors, (24), 47 states have return successors, (50), 50 states have call predecessors, (50), 23 states have call successors, (50) [2024-11-10 19:39:23,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 435 transitions. [2024-11-10 19:39:23,178 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 435 transitions. Word has length 56 [2024-11-10 19:39:23,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:39:23,178 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 435 transitions. [2024-11-10 19:39:23,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 45 states have (on average 1.9777777777777779) internal successors, (89), 26 states have internal predecessors, (89), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:39:23,178 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 435 transitions. [2024-11-10 19:39:23,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-10 19:39:23,180 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:39:23,184 INFO L215 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1] [2024-11-10 19:39:23,200 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 19:39:23,384 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 [2024-11-10 19:39:23,385 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-10 19:39:23,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:39:23,385 INFO L85 PathProgramCache]: Analyzing trace with hash -908199930, now seen corresponding path program 2 times [2024-11-10 19:39:23,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:39:23,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109837861] [2024-11-10 19:39:23,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:23,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:39:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:23,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 19:39:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:23,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:23,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:23,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:23,860 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 6 proven. 300 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-10 19:39:23,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:39:23,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109837861] [2024-11-10 19:39:23,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109837861] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:39:23,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926969484] [2024-11-10 19:39:23,861 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:39:23,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:39:23,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:39:23,863 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:39:23,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 19:39:23,927 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:39:23,928 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:39:23,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-10 19:39:23,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:39:24,067 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 6 proven. 298 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-10 19:39:24,067 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:39:24,854 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 6 proven. 304 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-10 19:39:24,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [926969484] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:39:24,854 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:39:24,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25, 27] total 48 [2024-11-10 19:39:24,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958573675] [2024-11-10 19:39:24,855 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:39:24,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-10 19:39:24,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:39:24,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-10 19:39:24,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=444, Invalid=1812, Unknown=0, NotChecked=0, Total=2256 [2024-11-10 19:39:24,857 INFO L87 Difference]: Start difference. First operand 399 states and 435 transitions. Second operand has 48 states, 46 states have (on average 2.3260869565217392) internal successors, (107), 31 states have internal predecessors, (107), 23 states have call successors, (24), 18 states have call predecessors, (24), 4 states have return successors, (8), 3 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-10 19:39:25,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:39:25,466 INFO L93 Difference]: Finished difference Result 534 states and 569 transitions. [2024-11-10 19:39:25,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-10 19:39:25,467 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 46 states have (on average 2.3260869565217392) internal successors, (107), 31 states have internal predecessors, (107), 23 states have call successors, (24), 18 states have call predecessors, (24), 4 states have return successors, (8), 3 states have call predecessors, (8), 6 states have call successors, (8) Word has length 77 [2024-11-10 19:39:25,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:39:25,470 INFO L225 Difference]: With dead ends: 534 [2024-11-10 19:39:25,472 INFO L226 Difference]: Without dead ends: 332 [2024-11-10 19:39:25,474 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 131 SyntacticMatches, 5 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1100 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1042, Invalid=3380, Unknown=0, NotChecked=0, Total=4422 [2024-11-10 19:39:25,476 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 374 mSDsluCounter, 1104 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 1214 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:39:25,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 1214 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:39:25,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-10 19:39:25,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 300. [2024-11-10 19:39:25,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 245 states have (on average 1.1061224489795918) internal successors, (271), 244 states have internal predecessors, (271), 24 states have call successors, (24), 23 states have call predecessors, (24), 29 states have return successors, (32), 32 states have call predecessors, (32), 23 states have call successors, (32) [2024-11-10 19:39:25,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 327 transitions. [2024-11-10 19:39:25,498 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 327 transitions. Word has length 77 [2024-11-10 19:39:25,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:39:25,499 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 327 transitions. [2024-11-10 19:39:25,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 46 states have (on average 2.3260869565217392) internal successors, (107), 31 states have internal predecessors, (107), 23 states have call successors, (24), 18 states have call predecessors, (24), 4 states have return successors, (8), 3 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-10 19:39:25,499 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 327 transitions. [2024-11-10 19:39:25,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-10 19:39:25,501 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:39:25,501 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 22, 22, 22, 1, 1, 1, 1] [2024-11-10 19:39:25,515 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 19:39:25,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:39:25,706 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-10 19:39:25,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:39:25,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1989483588, now seen corresponding path program 4 times [2024-11-10 19:39:25,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:39:25,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308399171] [2024-11-10 19:39:25,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:25,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:39:25,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:26,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:39:26,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:39:26,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308399171] [2024-11-10 19:39:26,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308399171] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:39:26,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1983274682] [2024-11-10 19:39:26,929 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-10 19:39:26,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:39:26,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:39:26,931 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:39:26,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 19:39:26,988 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-10 19:39:26,989 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:39:26,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-10 19:39:26,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:39:27,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:39:27,156 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:39:28,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:39:28,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1983274682] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:39:28,987 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:39:28,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2024-11-10 19:39:28,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151176832] [2024-11-10 19:39:28,987 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:39:28,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-11-10 19:39:28,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:39:28,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-11-10 19:39:28,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2260, Invalid=6860, Unknown=0, NotChecked=0, Total=9120 [2024-11-10 19:39:28,992 INFO L87 Difference]: Start difference. First operand 300 states and 327 transitions. Second operand has 96 states, 93 states have (on average 1.989247311827957) internal successors, (185), 50 states have internal predecessors, (185), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:39:29,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:39:29,636 INFO L93 Difference]: Finished difference Result 320 states and 327 transitions. [2024-11-10 19:39:29,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-10 19:39:29,637 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 93 states have (on average 1.989247311827957) internal successors, (185), 50 states have internal predecessors, (185), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2024-11-10 19:39:29,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:39:29,639 INFO L225 Difference]: With dead ends: 320 [2024-11-10 19:39:29,639 INFO L226 Difference]: Without dead ends: 319 [2024-11-10 19:39:29,642 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2873 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=4100, Invalid=9706, Unknown=0, NotChecked=0, Total=13806 [2024-11-10 19:39:29,643 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 577 mSDsluCounter, 828 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 948 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:39:29,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 948 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:39:29,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-10 19:39:29,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 299. [2024-11-10 19:39:29,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 245 states have (on average 1.1020408163265305) internal successors, (270), 243 states have internal predecessors, (270), 24 states have call successors, (24), 23 states have call predecessors, (24), 29 states have return successors, (32), 32 states have call predecessors, (32), 23 states have call successors, (32) [2024-11-10 19:39:29,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 326 transitions. [2024-11-10 19:39:29,661 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 326 transitions. Word has length 116 [2024-11-10 19:39:29,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:39:29,661 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 326 transitions. [2024-11-10 19:39:29,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 93 states have (on average 1.989247311827957) internal successors, (185), 50 states have internal predecessors, (185), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:39:29,662 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 326 transitions. [2024-11-10 19:39:29,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-10 19:39:29,663 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:39:29,663 INFO L215 NwaCegarLoop]: trace histogram [21, 20, 20, 20, 20, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1] [2024-11-10 19:39:29,680 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 19:39:29,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:39:29,864 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-10 19:39:29,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:39:29,865 INFO L85 PathProgramCache]: Analyzing trace with hash 961571409, now seen corresponding path program 3 times [2024-11-10 19:39:29,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:39:29,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554259782] [2024-11-10 19:39:29,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:29,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:39:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:29,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-10 19:39:29,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:30,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:30,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:30,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:30,066 INFO L134 CoverageAnalysis]: Checked inductivity of 1006 backedges. 20 proven. 16 refuted. 0 times theorem prover too weak. 970 trivial. 0 not checked. [2024-11-10 19:39:30,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:39:30,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554259782] [2024-11-10 19:39:30,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554259782] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:39:30,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043448320] [2024-11-10 19:39:30,067 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 19:39:30,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:39:30,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:39:30,069 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:39:30,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 19:39:30,112 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-10 19:39:30,112 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:39:30,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:39:30,115 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:39:30,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1006 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-11-10 19:39:30,156 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:39:30,318 INFO L134 CoverageAnalysis]: Checked inductivity of 1006 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-11-10 19:39:30,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1043448320] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:39:30,318 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:39:30,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 16 [2024-11-10 19:39:30,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121424038] [2024-11-10 19:39:30,319 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:39:30,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-10 19:39:30,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:39:30,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-10 19:39:30,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:39:30,322 INFO L87 Difference]: Start difference. First operand 299 states and 326 transitions. Second operand has 17 states, 16 states have (on average 2.6875) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (2), 1 states have call predecessors, (2), 7 states have return successors, (7), 7 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-10 19:39:30,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:39:30,468 INFO L93 Difference]: Finished difference Result 468 states and 528 transitions. [2024-11-10 19:39:30,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 19:39:30,469 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 2.6875) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (2), 1 states have call predecessors, (2), 7 states have return successors, (7), 7 states have call predecessors, (7), 1 states have call successors, (7) Word has length 122 [2024-11-10 19:39:30,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:39:30,471 INFO L225 Difference]: With dead ends: 468 [2024-11-10 19:39:30,471 INFO L226 Difference]: Without dead ends: 467 [2024-11-10 19:39:30,471 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=168, Invalid=588, Unknown=0, NotChecked=0, Total=756 [2024-11-10 19:39:30,472 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 39 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:39:30,475 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 48 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:39:30,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2024-11-10 19:39:30,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 467. [2024-11-10 19:39:30,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 387 states have (on average 1.0645994832041343) internal successors, (412), 381 states have internal predecessors, (412), 24 states have call successors, (24), 23 states have call predecessors, (24), 55 states have return successors, (62), 62 states have call predecessors, (62), 23 states have call successors, (62) [2024-11-10 19:39:30,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 498 transitions. [2024-11-10 19:39:30,502 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 498 transitions. Word has length 122 [2024-11-10 19:39:30,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:39:30,502 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 498 transitions. [2024-11-10 19:39:30,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 2.6875) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (2), 1 states have call predecessors, (2), 7 states have return successors, (7), 7 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-10 19:39:30,503 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 498 transitions. [2024-11-10 19:39:30,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-10 19:39:30,505 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:39:30,505 INFO L215 NwaCegarLoop]: trace histogram [21, 20, 20, 20, 20, 7, 7, 7, 7, 6, 6, 1, 1, 1, 1, 1] [2024-11-10 19:39:30,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-10 19:39:30,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:39:30,706 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-10 19:39:30,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:39:30,706 INFO L85 PathProgramCache]: Analyzing trace with hash 335246029, now seen corresponding path program 4 times [2024-11-10 19:39:30,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:39:30,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150660884] [2024-11-10 19:39:30,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:30,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:39:30,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:30,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:39:30,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:30,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:30,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:30,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:31,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:31,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:31,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:31,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:31,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1110 backedges. 20 proven. 120 refuted. 0 times theorem prover too weak. 970 trivial. 0 not checked. [2024-11-10 19:39:31,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:39:31,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150660884] [2024-11-10 19:39:31,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150660884] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:39:31,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308985412] [2024-11-10 19:39:31,148 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-10 19:39:31,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:39:31,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:39:31,149 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:39:31,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 19:39:31,215 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-10 19:39:31,215 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:39:31,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-10 19:39:31,219 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:39:31,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1110 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-11-10 19:39:31,288 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:39:32,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1110 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-11-10 19:39:32,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308985412] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:39:32,421 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:39:32,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 32 [2024-11-10 19:39:32,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759100273] [2024-11-10 19:39:32,421 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:39:32,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-10 19:39:32,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:39:32,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-10 19:39:32,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=783, Unknown=0, NotChecked=0, Total=1056 [2024-11-10 19:39:32,423 INFO L87 Difference]: Start difference. First operand 467 states and 498 transitions. Second operand has 33 states, 32 states have (on average 2.59375) internal successors, (83), 33 states have internal predecessors, (83), 1 states have call successors, (2), 1 states have call predecessors, (2), 15 states have return successors, (15), 15 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-10 19:39:32,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:39:32,729 INFO L93 Difference]: Finished difference Result 1092 states and 1238 transitions. [2024-11-10 19:39:32,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-10 19:39:32,733 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 2.59375) internal successors, (83), 33 states have internal predecessors, (83), 1 states have call successors, (2), 1 states have call predecessors, (2), 15 states have return successors, (15), 15 states have call predecessors, (15), 1 states have call successors, (15) Word has length 146 [2024-11-10 19:39:32,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:39:32,738 INFO L225 Difference]: With dead ends: 1092 [2024-11-10 19:39:32,738 INFO L226 Difference]: Without dead ends: 1091 [2024-11-10 19:39:32,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1325 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=720, Invalid=2820, Unknown=0, NotChecked=0, Total=3540 [2024-11-10 19:39:32,740 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 79 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:39:32,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 68 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:39:32,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1091 states. [2024-11-10 19:39:32,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1091 to 1091. [2024-11-10 19:39:32,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1091 states, 911 states have (on average 1.0274423710208562) internal successors, (936), 897 states have internal predecessors, (936), 24 states have call successors, (24), 23 states have call predecessors, (24), 155 states have return successors, (170), 170 states have call predecessors, (170), 23 states have call successors, (170) [2024-11-10 19:39:32,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1130 transitions. [2024-11-10 19:39:32,800 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1130 transitions. Word has length 146 [2024-11-10 19:39:32,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:39:32,801 INFO L471 AbstractCegarLoop]: Abstraction has 1091 states and 1130 transitions. [2024-11-10 19:39:32,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 2.59375) internal successors, (83), 33 states have internal predecessors, (83), 1 states have call successors, (2), 1 states have call predecessors, (2), 15 states have return successors, (15), 15 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-10 19:39:32,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1130 transitions. [2024-11-10 19:39:32,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-10 19:39:32,805 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:39:32,806 INFO L215 NwaCegarLoop]: trace histogram [21, 20, 20, 20, 20, 15, 15, 15, 15, 14, 14, 1, 1, 1, 1, 1] [2024-11-10 19:39:32,820 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-10 19:39:33,009 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,SelfDestructingSolverStorable11 [2024-11-10 19:39:33,010 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-10 19:39:33,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:39:33,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1282054203, now seen corresponding path program 5 times [2024-11-10 19:39:33,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:39:33,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570157240] [2024-11-10 19:39:33,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:33,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:39:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:33,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:39:33,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:33,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:33,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:33,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:33,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:33,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:33,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:33,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:34,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:34,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:34,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:34,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:34,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:34,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:34,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:34,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:34,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:34,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:34,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:34,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:34,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:34,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:34,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1606 backedges. 20 proven. 616 refuted. 0 times theorem prover too weak. 970 trivial. 0 not checked. [2024-11-10 19:39:34,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:39:34,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570157240] [2024-11-10 19:39:34,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570157240] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:39:34,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1107484145] [2024-11-10 19:39:34,720 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-10 19:39:34,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:39:34,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:39:34,722 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:39:34,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 19:39:34,839 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2024-11-10 19:39:34,839 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:39:34,841 INFO L255 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-10 19:39:34,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:39:34,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1606 backedges. 0 proven. 616 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-11-10 19:39:34,995 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:39:45,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1606 backedges. 0 proven. 616 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-11-10 19:39:45,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1107484145] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:39:45,786 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:39:45,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31, 31] total 64 [2024-11-10 19:39:45,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749103997] [2024-11-10 19:39:45,786 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:39:45,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-11-10 19:39:45,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:39:45,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-11-10 19:39:45,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1057, Invalid=3103, Unknown=0, NotChecked=0, Total=4160 [2024-11-10 19:39:45,790 INFO L87 Difference]: Start difference. First operand 1091 states and 1130 transitions. Second operand has 65 states, 64 states have (on average 2.546875) internal successors, (163), 65 states have internal predecessors, (163), 1 states have call successors, (2), 1 states have call predecessors, (2), 31 states have return successors, (31), 31 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 19:39:46,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:39:46,681 INFO L93 Difference]: Finished difference Result 3162 states and 3558 transitions. [2024-11-10 19:39:46,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-10 19:39:46,682 INFO L78 Accepts]: Start accepts. Automaton has has 65 states, 64 states have (on average 2.546875) internal successors, (163), 65 states have internal predecessors, (163), 1 states have call successors, (2), 1 states have call predecessors, (2), 31 states have return successors, (31), 31 states have call predecessors, (31), 1 states have call successors, (31) Word has length 194 [2024-11-10 19:39:46,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:39:46,688 INFO L225 Difference]: With dead ends: 3162 [2024-11-10 19:39:46,689 INFO L226 Difference]: Without dead ends: 1756 [2024-11-10 19:39:46,695 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 506 GetRequests, 384 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6317 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=2976, Invalid=12276, Unknown=0, NotChecked=0, Total=15252 [2024-11-10 19:39:46,695 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 159 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:39:46,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 85 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:39:46,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1756 states. [2024-11-10 19:39:46,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1756 to 1756. [2024-11-10 19:39:46,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1756 states, 1469 states have (on average 1.0156569094622192) internal successors, (1492), 1448 states have internal predecessors, (1492), 24 states have call successors, (24), 23 states have call predecessors, (24), 262 states have return successors, (284), 284 states have call predecessors, (284), 23 states have call successors, (284) [2024-11-10 19:39:46,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1756 states to 1756 states and 1800 transitions. [2024-11-10 19:39:46,776 INFO L78 Accepts]: Start accepts. Automaton has 1756 states and 1800 transitions. Word has length 194 [2024-11-10 19:39:46,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:39:46,777 INFO L471 AbstractCegarLoop]: Abstraction has 1756 states and 1800 transitions. [2024-11-10 19:39:46,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 64 states have (on average 2.546875) internal successors, (163), 65 states have internal predecessors, (163), 1 states have call successors, (2), 1 states have call predecessors, (2), 31 states have return successors, (31), 31 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-10 19:39:46,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1756 states and 1800 transitions. [2024-11-10 19:39:46,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2024-11-10 19:39:46,789 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:39:46,789 INFO L215 NwaCegarLoop]: trace histogram [55, 54, 54, 54, 54, 31, 31, 31, 31, 30, 30, 1, 1, 1, 1, 1] [2024-11-10 19:39:46,806 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-10 19:39:46,993 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,SelfDestructingSolverStorable12 [2024-11-10 19:39:46,994 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-10 19:39:46,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:39:46,994 INFO L85 PathProgramCache]: Analyzing trace with hash -407103275, now seen corresponding path program 6 times [2024-11-10 19:39:46,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:39:46,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122616772] [2024-11-10 19:39:46,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:39:46,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:39:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:48,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 19:39:48,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:48,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:48,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:49,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:49,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:49,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:50,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:50,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:51,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:51,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:51,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:51,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:51,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:51,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:52,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:52,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:52,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:52,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:53,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:53,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:53,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:53,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:53,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:53,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:53,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:54,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:54,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:54,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:54,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:54,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:54,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:54,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:54,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:54,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:54,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:54,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:54,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:54,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:55,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:55,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:55,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:55,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:55,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:55,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:55,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:55,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:55,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:55,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-10 19:39:55,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:39:55,647 INFO L134 CoverageAnalysis]: Checked inductivity of 10023 backedges. 54 proven. 2760 refuted. 0 times theorem prover too weak. 7209 trivial. 0 not checked. [2024-11-10 19:39:55,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:39:55,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122616772] [2024-11-10 19:39:55,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122616772] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:39:55,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1927345144] [2024-11-10 19:39:55,648 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-10 19:39:55,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:39:55,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:39:55,649 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:39:55,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-10 19:39:56,015 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 53 check-sat command(s) [2024-11-10 19:39:56,016 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:39:56,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 760 conjuncts, 87 conjuncts are in the unsatisfiable core [2024-11-10 19:39:56,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:39:57,646 INFO L134 CoverageAnalysis]: Checked inductivity of 10023 backedges. 3468 proven. 990 refuted. 0 times theorem prover too weak. 5565 trivial. 0 not checked. [2024-11-10 19:39:57,646 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:39:58,899 INFO L134 CoverageAnalysis]: Checked inductivity of 10023 backedges. 456 proven. 4638 refuted. 0 times theorem prover too weak. 4929 trivial. 0 not checked. [2024-11-10 19:39:58,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1927345144] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:39:58,899 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:39:58,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 45, 45] total 108 [2024-11-10 19:39:58,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30486116] [2024-11-10 19:39:58,900 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:39:58,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 108 states [2024-11-10 19:39:58,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:39:58,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2024-11-10 19:39:58,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1144, Invalid=10412, Unknown=0, NotChecked=0, Total=11556 [2024-11-10 19:39:58,903 INFO L87 Difference]: Start difference. First operand 1756 states and 1800 transitions. Second operand has 108 states, 107 states have (on average 2.4485981308411215) internal successors, (262), 87 states have internal predecessors, (262), 23 states have call successors, (25), 23 states have call predecessors, (25), 33 states have return successors, (34), 33 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-10 19:40:00,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:40:00,824 INFO L93 Difference]: Finished difference Result 1756 states and 1800 transitions. [2024-11-10 19:40:00,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-10 19:40:00,824 INFO L78 Accepts]: Start accepts. Automaton has has 108 states, 107 states have (on average 2.4485981308411215) internal successors, (262), 87 states have internal predecessors, (262), 23 states have call successors, (25), 23 states have call predecessors, (25), 33 states have return successors, (34), 33 states have call predecessors, (34), 2 states have call successors, (34) Word has length 460 [2024-11-10 19:40:00,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:40:00,825 INFO L225 Difference]: With dead ends: 1756 [2024-11-10 19:40:00,825 INFO L226 Difference]: Without dead ends: 0 [2024-11-10 19:40:00,830 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1064 GetRequests, 937 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5011 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=1249, Invalid=15263, Unknown=0, NotChecked=0, Total=16512 [2024-11-10 19:40:00,830 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 141 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 5293 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 5293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:40:00,830 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 162 Invalid, 5293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5293 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-10 19:40:00,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-10 19:40:00,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-10 19:40:00,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:40:00,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-10 19:40:00,831 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 460 [2024-11-10 19:40:00,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:40:00,832 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 19:40:00,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 108 states, 107 states have (on average 2.4485981308411215) internal successors, (262), 87 states have internal predecessors, (262), 23 states have call successors, (25), 23 states have call predecessors, (25), 33 states have return successors, (34), 33 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-10 19:40:00,832 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-10 19:40:00,832 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-10 19:40:00,835 INFO L782 garLoopResultBuilder]: Registering result SAFE for location idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-10 19:40:00,835 INFO L782 garLoopResultBuilder]: Registering result SAFE for location idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-10 19:40:00,835 INFO L782 garLoopResultBuilder]: Registering result SAFE for location idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-10 19:40:00,836 INFO L782 garLoopResultBuilder]: Registering result SAFE for location idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-10 19:40:00,854 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-10 19:40:01,036 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,SelfDestructingSolverStorable13 [2024-11-10 19:40:01,039 INFO L407 BasicCegarLoop]: Path program histogram: [6, 4, 1, 1, 1, 1] [2024-11-10 19:40:01,041 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-10 19:40:04,133 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 19:40:04,208 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-10 19:40:04,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 07:40:04 BoogieIcfgContainer [2024-11-10 19:40:04,216 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 19:40:04,217 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 19:40:04,217 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 19:40:04,217 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 19:40:04,218 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:39:16" (3/4) ... [2024-11-10 19:40:04,220 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 19:40:04,223 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure id [2024-11-10 19:40:04,226 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-10 19:40:04,228 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-10 19:40:04,228 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 19:40:04,228 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 19:40:04,304 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 19:40:04,305 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 19:40:04,305 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 19:40:04,305 INFO L158 Benchmark]: Toolchain (without parser) took 48195.15ms. Allocated memory was 119.5MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 66.0MB in the beginning and 818.2MB in the end (delta: -752.2MB). Peak memory consumption was 425.6MB. Max. memory is 16.1GB. [2024-11-10 19:40:04,306 INFO L158 Benchmark]: CDTParser took 0.89ms. Allocated memory is still 119.5MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 19:40:04,306 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.14ms. Allocated memory was 119.5MB in the beginning and 172.0MB in the end (delta: 52.4MB). Free memory was 65.7MB in the beginning and 142.3MB in the end (delta: -76.6MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2024-11-10 19:40:04,307 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.44ms. Allocated memory is still 172.0MB. Free memory was 142.3MB in the beginning and 140.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 19:40:04,307 INFO L158 Benchmark]: Boogie Preprocessor took 22.61ms. Allocated memory is still 172.0MB. Free memory was 140.7MB in the beginning and 139.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 19:40:04,307 INFO L158 Benchmark]: IcfgBuilder took 305.62ms. Allocated memory is still 172.0MB. Free memory was 139.4MB in the beginning and 128.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-10 19:40:04,308 INFO L158 Benchmark]: TraceAbstraction took 47489.87ms. Allocated memory was 172.0MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 128.1MB in the beginning and 822.4MB in the end (delta: -694.3MB). Peak memory consumption was 535.2MB. Max. memory is 16.1GB. [2024-11-10 19:40:04,308 INFO L158 Benchmark]: Witness Printer took 88.21ms. Allocated memory is still 1.3GB. Free memory was 822.4MB in the beginning and 818.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 19:40:04,310 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.89ms. Allocated memory is still 119.5MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 253.14ms. Allocated memory was 119.5MB in the beginning and 172.0MB in the end (delta: 52.4MB). Free memory was 65.7MB in the beginning and 142.3MB in the end (delta: -76.6MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.44ms. Allocated memory is still 172.0MB. Free memory was 142.3MB in the beginning and 140.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.61ms. Allocated memory is still 172.0MB. Free memory was 140.7MB in the beginning and 139.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 305.62ms. Allocated memory is still 172.0MB. Free memory was 139.4MB in the beginning and 128.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 47489.87ms. Allocated memory was 172.0MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 128.1MB in the beginning and 822.4MB in the end (delta: -694.3MB). Peak memory consumption was 535.2MB. Max. memory is 16.1GB. * Witness Printer took 88.21ms. Allocated memory is still 1.3GB. Free memory was 822.4MB in the beginning and 818.2MB 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.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * 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: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 25 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 44.3s, OverallIterations: 14, TraceHistogramMax: 55, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2660 SdHoareTripleChecker+Valid, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2596 mSDsluCounter, 4306 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3799 mSDsCounter, 240 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7622 IncrementalHoareTripleChecker+Invalid, 7862 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 240 mSolverCounterUnsat, 507 mSDtfsCounter, 7622 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3070 GetRequests, 2385 SyntacticMatches, 7 SemanticMatches, 678 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18299 ImplicationChecksByTransitivity, 10.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1756occurred in iteration=13, InterpolantAutomatonStates: 368, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 128 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 33.7s InterpolantComputationTime, 2570 NumberOfCodeBlocks, 2458 NumberOfCodeBlocksAsserted, 112 NumberOfCheckSat, 3785 ConstructedInterpolants, 0 QuantifiedInterpolants, 7801 SizeOfPredicates, 78 NumberOfNonLiveVariables, 2164 ConjunctsInSsa, 270 ConjunctsInUnsatCore, 34 InterpolantComputations, 4 PerfectInterpolantSequences, 30770/47005 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 4 specifications checked. All of them hold - ProcedureContractResult [Line: 6]: Procedure Contract for id Derived contract for procedure id. Requires: (((((((((((((((((((((x == 18) || (x == 0)) || (x == 16)) || (x == 17)) || (x == 4)) || (x == 11)) || (x == 14)) || (x == 6)) || (x == 1)) || (x == 9)) || (x == 8)) || (7 == x)) || (x == 20)) || (x == 15)) || (x == 2)) || (x == 12)) || (x == 3)) || (5 == x)) || (19 == x)) || (x == 13)) || (x == 10)) Ensures: (((\result == 0) || (x != 0)) && (((((((((((((((((((((x == 18) || (x == 0)) || (x == 16)) || (x == 17)) || (x == 4)) || (x == 11)) || (x == 14)) || (x == 6)) || (x == 1)) || (x == 9)) || (x == 8)) || (7 == x)) || (x == 20)) || (x == 15)) || (x == 2)) || (x == 12)) || (x == 3)) || (5 == x)) || (19 == x)) || (x == 13)) || (x == 10))) RESULT: Ultimate proved your program to be correct! [2024-11-10 19:40:04,343 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