./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-examples/sorting_bubblesort_ground-1.i --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/array-examples/sorting_bubblesort_ground-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 68585835b92043bfb2f3c62590e96ff685993869f8a251aecd9fe4c8aaea0e1e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:28:10,918 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:28:11,004 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 18:28:11,012 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:28:11,013 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:28:11,066 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:28:11,067 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:28:11,067 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:28:11,068 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:28:11,069 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:28:11,069 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:28:11,070 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:28:11,072 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:28:11,073 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:28:11,074 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:28:11,074 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:28:11,074 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 18:28:11,075 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:28:11,075 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:28:11,075 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:28:11,075 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:28:11,080 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 18:28:11,080 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:28:11,080 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 18:28:11,080 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:28:11,080 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 18:28:11,081 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:28:11,081 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:28:11,081 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 18:28:11,081 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:28:11,082 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:28:11,082 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:28:11,082 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:28:11,082 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:28:11,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:28:11,083 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:28:11,083 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:28:11,105 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 18:28:11,106 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:28:11,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:28:11,106 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:28:11,110 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:28:11,111 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:28:11,111 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:28:11,111 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68585835b92043bfb2f3c62590e96ff685993869f8a251aecd9fe4c8aaea0e1e [2024-11-10 18:28:11,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:28:11,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:28:11,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:28:11,452 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:28:11,453 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:28:11,456 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-examples/sorting_bubblesort_ground-1.i [2024-11-10 18:28:13,014 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:28:13,232 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:28:13,233 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/sorting_bubblesort_ground-1.i [2024-11-10 18:28:13,242 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31e3fb04e/5429b5c8923444feae9f7f9f88ed70c1/FLAG6a79ececc [2024-11-10 18:28:13,259 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31e3fb04e/5429b5c8923444feae9f7f9f88ed70c1 [2024-11-10 18:28:13,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:28:13,262 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:28:13,263 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:28:13,264 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:28:13,270 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:28:13,271 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:28:13" (1/1) ... [2024-11-10 18:28:13,272 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10adbda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:13, skipping insertion in model container [2024-11-10 18:28:13,272 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:28:13" (1/1) ... [2024-11-10 18:28:13,292 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:28:13,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:28:13,515 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:28:13,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:28:13,566 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:28:13,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:13 WrapperNode [2024-11-10 18:28:13,566 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:28:13,568 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:28:13,569 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:28:13,569 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:28:13,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:13" (1/1) ... [2024-11-10 18:28:13,589 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:13" (1/1) ... [2024-11-10 18:28:13,619 INFO L138 Inliner]: procedures = 16, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 98 [2024-11-10 18:28:13,620 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:28:13,621 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:28:13,621 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:28:13,621 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:28:13,631 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:13" (1/1) ... [2024-11-10 18:28:13,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:13" (1/1) ... [2024-11-10 18:28:13,634 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:13" (1/1) ... [2024-11-10 18:28:13,657 INFO L175 MemorySlicer]: Split 11 memory accesses to 2 slices as follows [2, 9]. 82 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 3 writes are split as follows [0, 3]. [2024-11-10 18:28:13,658 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:13" (1/1) ... [2024-11-10 18:28:13,658 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:13" (1/1) ... [2024-11-10 18:28:13,663 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:13" (1/1) ... [2024-11-10 18:28:13,668 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:13" (1/1) ... [2024-11-10 18:28:13,669 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:13" (1/1) ... [2024-11-10 18:28:13,672 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:13" (1/1) ... [2024-11-10 18:28:13,674 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:28:13,675 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:28:13,676 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:28:13,676 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:28:13,676 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:13" (1/1) ... [2024-11-10 18:28:13,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:28:13,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:28:13,734 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 18:28:13,738 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 18:28:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 18:28:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 18:28:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 18:28:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 18:28:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 18:28:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 18:28:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:28:13,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:28:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 18:28:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 18:28:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 18:28:13,928 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:28:13,933 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:28:14,178 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L17: call ULTIMATE.dealloc(main_~#a~0#1.base, main_~#a~0#1.offset);havoc main_~#a~0#1.base, main_~#a~0#1.offset; [2024-11-10 18:28:14,194 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-10 18:28:14,195 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:28:14,215 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:28:14,215 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:28:14,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:28:14 BoogieIcfgContainer [2024-11-10 18:28:14,217 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:28:14,220 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:28:14,221 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:28:14,224 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:28:14,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:28:13" (1/3) ... [2024-11-10 18:28:14,226 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d58295c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:28:14, skipping insertion in model container [2024-11-10 18:28:14,227 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:13" (2/3) ... [2024-11-10 18:28:14,228 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d58295c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:28:14, skipping insertion in model container [2024-11-10 18:28:14,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:28:14" (3/3) ... [2024-11-10 18:28:14,230 INFO L112 eAbstractionObserver]: Analyzing ICFG sorting_bubblesort_ground-1.i [2024-11-10 18:28:14,248 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:28:14,249 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-11-10 18:28:14,314 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:28:14,322 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;@225f5629, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:28:14,323 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-11-10 18:28:14,328 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 49 states have (on average 1.5918367346938775) internal successors, (78), 65 states have internal predecessors, (78), 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 18:28:14,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-10 18:28:14,335 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:28:14,336 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-10 18:28:14,337 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:28:14,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:28:14,344 INFO L85 PathProgramCache]: Analyzing trace with hash 108757965, now seen corresponding path program 1 times [2024-11-10 18:28:14,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:28:14,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738411979] [2024-11-10 18:28:14,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:14,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:28:14,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:14,614 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 18:28:14,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:28:14,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738411979] [2024-11-10 18:28:14,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738411979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:28:14,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:28:14,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:28:14,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663542238] [2024-11-10 18:28:14,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:28:14,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:28:14,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:28:14,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:28:14,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:28:14,653 INFO L87 Difference]: Start difference. First operand has 66 states, 49 states have (on average 1.5918367346938775) internal successors, (78), 65 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:14,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:28:14,731 INFO L93 Difference]: Finished difference Result 129 states and 153 transitions. [2024-11-10 18:28:14,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:28:14,735 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-10 18:28:14,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:28:14,743 INFO L225 Difference]: With dead ends: 129 [2024-11-10 18:28:14,743 INFO L226 Difference]: Without dead ends: 64 [2024-11-10 18:28:14,746 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:28:14,751 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 2 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:28:14,753 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 190 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:28:14,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-10 18:28:14,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 63. [2024-11-10 18:28:14,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 47 states have (on average 1.446808510638298) internal successors, (68), 62 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:14,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 68 transitions. [2024-11-10 18:28:14,811 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 68 transitions. Word has length 5 [2024-11-10 18:28:14,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:28:14,812 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 68 transitions. [2024-11-10 18:28:14,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:14,812 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 68 transitions. [2024-11-10 18:28:14,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-10 18:28:14,813 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:28:14,813 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-11-10 18:28:14,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:28:14,814 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:28:14,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:28:14,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1182686142, now seen corresponding path program 1 times [2024-11-10 18:28:14,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:28:14,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329074136] [2024-11-10 18:28:14,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:14,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:28:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:15,023 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 18:28:15,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:28:15,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329074136] [2024-11-10 18:28:15,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329074136] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:28:15,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [203426682] [2024-11-10 18:28:15,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:15,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:28:15,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:28:15,027 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 18:28:15,030 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 18:28:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:15,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:28:15,096 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:28:15,189 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:28:15,190 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:28:15,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [203426682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:28:15,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:28:15,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-10 18:28:15,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475989032] [2024-11-10 18:28:15,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:28:15,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:28:15,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:28:15,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:28:15,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:28:15,194 INFO L87 Difference]: Start difference. First operand 63 states and 68 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:15,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:28:15,247 INFO L93 Difference]: Finished difference Result 64 states and 69 transitions. [2024-11-10 18:28:15,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:28:15,250 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-10 18:28:15,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:28:15,252 INFO L225 Difference]: With dead ends: 64 [2024-11-10 18:28:15,252 INFO L226 Difference]: Without dead ends: 63 [2024-11-10 18:28:15,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:28:15,253 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 2 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:28:15,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 227 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:28:15,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-10 18:28:15,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 62. [2024-11-10 18:28:15,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 47 states have (on average 1.425531914893617) internal successors, (67), 61 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:15,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 67 transitions. [2024-11-10 18:28:15,269 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 67 transitions. Word has length 10 [2024-11-10 18:28:15,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:28:15,269 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 67 transitions. [2024-11-10 18:28:15,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:15,270 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 67 transitions. [2024-11-10 18:28:15,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-10 18:28:15,270 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:28:15,270 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2024-11-10 18:28:15,288 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 18:28:15,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:28:15,472 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:28:15,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:28:15,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1991435305, now seen corresponding path program 1 times [2024-11-10 18:28:15,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:28:15,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115849163] [2024-11-10 18:28:15,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:15,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:28:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:15,587 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 18:28:15,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:28:15,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115849163] [2024-11-10 18:28:15,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115849163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:28:15,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:28:15,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:28:15,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115153778] [2024-11-10 18:28:15,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:28:15,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:28:15,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:28:15,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:28:15,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:28:15,593 INFO L87 Difference]: Start difference. First operand 62 states and 67 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:15,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:28:15,620 INFO L93 Difference]: Finished difference Result 62 states and 67 transitions. [2024-11-10 18:28:15,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:28:15,621 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-10 18:28:15,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:28:15,623 INFO L225 Difference]: With dead ends: 62 [2024-11-10 18:28:15,623 INFO L226 Difference]: Without dead ends: 61 [2024-11-10 18:28:15,625 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:28:15,626 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 1 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:28:15,628 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 116 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:28:15,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-10 18:28:15,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 59. [2024-11-10 18:28:15,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 45 states have (on average 1.4222222222222223) internal successors, (64), 58 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:15,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 64 transitions. [2024-11-10 18:28:15,635 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 64 transitions. Word has length 11 [2024-11-10 18:28:15,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:28:15,636 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 64 transitions. [2024-11-10 18:28:15,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:15,636 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 64 transitions. [2024-11-10 18:28:15,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-10 18:28:15,637 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:28:15,637 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:28:15,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 18:28:15,639 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:28:15,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:28:15,640 INFO L85 PathProgramCache]: Analyzing trace with hash -333695329, now seen corresponding path program 1 times [2024-11-10 18:28:15,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:28:15,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173309251] [2024-11-10 18:28:15,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:15,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:28:15,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:15,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:28:15,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:28:15,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173309251] [2024-11-10 18:28:15,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173309251] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:28:15,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683868482] [2024-11-10 18:28:15,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:15,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:28:15,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:28:15,770 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 18:28:15,773 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 18:28:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:15,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 18:28:15,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:28:15,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 18:28:15,847 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:28:15,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [683868482] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:28:15,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:28:15,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-10 18:28:15,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611618750] [2024-11-10 18:28:15,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:28:15,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:28:15,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:28:15,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:28:15,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:28:15,853 INFO L87 Difference]: Start difference. First operand 59 states and 64 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:15,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:28:15,912 INFO L93 Difference]: Finished difference Result 59 states and 64 transitions. [2024-11-10 18:28:15,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:28:15,914 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-10 18:28:15,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:28:15,915 INFO L225 Difference]: With dead ends: 59 [2024-11-10 18:28:15,915 INFO L226 Difference]: Without dead ends: 55 [2024-11-10 18:28:15,915 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:28:15,916 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 13 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:28:15,916 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 73 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:28:15,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-10 18:28:15,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-11-10 18:28:15,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 54 states have internal predecessors, (60), 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 18:28:15,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 60 transitions. [2024-11-10 18:28:15,931 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 60 transitions. Word has length 15 [2024-11-10 18:28:15,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:28:15,932 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 60 transitions. [2024-11-10 18:28:15,932 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), 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 18:28:15,932 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 60 transitions. [2024-11-10 18:28:15,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-10 18:28:15,933 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:28:15,933 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:28:15,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-10 18:28:16,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-10 18:28:16,134 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:28:16,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:28:16,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1757268936, now seen corresponding path program 1 times [2024-11-10 18:28:16,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:28:16,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079652906] [2024-11-10 18:28:16,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:16,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:28:16,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:16,203 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:28:16,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:28:16,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079652906] [2024-11-10 18:28:16,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079652906] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:28:16,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214071628] [2024-11-10 18:28:16,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:16,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:28:16,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:28:16,206 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 18:28:16,208 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 18:28:16,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:16,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 18:28:16,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:28:16,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 18:28:16,273 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:28:16,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1214071628] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:28:16,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:28:16,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-10 18:28:16,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284161648] [2024-11-10 18:28:16,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:28:16,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:28:16,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:28:16,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:28:16,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:28:16,276 INFO L87 Difference]: Start difference. First operand 55 states and 60 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 18:28:16,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:28:16,288 INFO L93 Difference]: Finished difference Result 100 states and 109 transitions. [2024-11-10 18:28:16,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:28:16,288 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-10 18:28:16,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:28:16,289 INFO L225 Difference]: With dead ends: 100 [2024-11-10 18:28:16,289 INFO L226 Difference]: Without dead ends: 77 [2024-11-10 18:28:16,290 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:28:16,296 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 21 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:28:16,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 132 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:28:16,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-10 18:28:16,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 67. [2024-11-10 18:28:16,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 57 states have (on average 1.3333333333333333) internal successors, (76), 66 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:16,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 76 transitions. [2024-11-10 18:28:16,305 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 76 transitions. Word has length 16 [2024-11-10 18:28:16,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:28:16,305 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 76 transitions. [2024-11-10 18:28:16,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 18:28:16,307 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 76 transitions. [2024-11-10 18:28:16,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-10 18:28:16,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:28:16,308 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:28:16,328 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 18:28:16,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:28:16,513 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:28:16,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:28:16,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1754620580, now seen corresponding path program 1 times [2024-11-10 18:28:16,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:28:16,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085770128] [2024-11-10 18:28:16,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:16,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:28:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:16,585 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:28:16,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:28:16,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085770128] [2024-11-10 18:28:16,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085770128] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:28:16,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [332722676] [2024-11-10 18:28:16,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:16,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:28:16,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:28:16,591 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 18:28:16,594 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 18:28:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:16,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 18:28:16,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:28:16,663 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 18:28:16,664 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:28:16,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [332722676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:28:16,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:28:16,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-10 18:28:16,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589637185] [2024-11-10 18:28:16,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:28:16,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:28:16,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:28:16,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:28:16,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:28:16,667 INFO L87 Difference]: Start difference. First operand 67 states and 76 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 18:28:16,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:28:16,737 INFO L93 Difference]: Finished difference Result 142 states and 166 transitions. [2024-11-10 18:28:16,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:28:16,740 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-10 18:28:16,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:28:16,741 INFO L225 Difference]: With dead ends: 142 [2024-11-10 18:28:16,741 INFO L226 Difference]: Without dead ends: 85 [2024-11-10 18:28:16,741 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:28:16,742 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 12 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:28:16,742 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 80 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:28:16,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-10 18:28:16,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 83. [2024-11-10 18:28:16,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 73 states have (on average 1.273972602739726) internal successors, (93), 82 states have internal predecessors, (93), 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 18:28:16,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 93 transitions. [2024-11-10 18:28:16,752 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 93 transitions. Word has length 16 [2024-11-10 18:28:16,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:28:16,753 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 93 transitions. [2024-11-10 18:28:16,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 18:28:16,753 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 93 transitions. [2024-11-10 18:28:16,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-10 18:28:16,754 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:28:16,754 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:28:16,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-10 18:28:16,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:28:16,957 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:28:16,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:28:16,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1259020595, now seen corresponding path program 1 times [2024-11-10 18:28:16,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:28:16,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854828920] [2024-11-10 18:28:16,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:16,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:28:16,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:17,026 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:28:17,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:28:17,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854828920] [2024-11-10 18:28:17,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854828920] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:28:17,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1533605028] [2024-11-10 18:28:17,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:17,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:28:17,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:28:17,030 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 18:28:17,034 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 18:28:17,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:17,092 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 18:28:17,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:28:17,111 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:28:17,113 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:28:17,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1533605028] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:28:17,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:28:17,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-10 18:28:17,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158931934] [2024-11-10 18:28:17,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:28:17,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:28:17,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:28:17,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:28:17,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:28:17,116 INFO L87 Difference]: Start difference. First operand 83 states and 93 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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 18:28:17,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:28:17,145 INFO L93 Difference]: Finished difference Result 83 states and 93 transitions. [2024-11-10 18:28:17,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:28:17,145 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2024-11-10 18:28:17,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:28:17,146 INFO L225 Difference]: With dead ends: 83 [2024-11-10 18:28:17,148 INFO L226 Difference]: Without dead ends: 79 [2024-11-10 18:28:17,148 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:28:17,149 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 13 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:28:17,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 75 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:28:17,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-10 18:28:17,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 65. [2024-11-10 18:28:17,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 59 states have (on average 1.2203389830508475) internal successors, (72), 64 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:17,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 72 transitions. [2024-11-10 18:28:17,160 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 72 transitions. Word has length 25 [2024-11-10 18:28:17,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:28:17,160 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 72 transitions. [2024-11-10 18:28:17,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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 18:28:17,160 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 72 transitions. [2024-11-10 18:28:17,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-10 18:28:17,161 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:28:17,161 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:28:17,184 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-10 18:28:17,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:28:17,362 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:28:17,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:28:17,363 INFO L85 PathProgramCache]: Analyzing trace with hash -856946798, now seen corresponding path program 1 times [2024-11-10 18:28:17,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:28:17,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64990500] [2024-11-10 18:28:17,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:17,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:28:17,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:17,444 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:28:17,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:28:17,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64990500] [2024-11-10 18:28:17,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64990500] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:28:17,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1272106473] [2024-11-10 18:28:17,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:17,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:28:17,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:28:17,447 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 18:28:17,450 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 18:28:17,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:17,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 18:28:17,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:28:17,524 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 18:28:17,525 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:28:17,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1272106473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:28:17,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:28:17,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-10 18:28:17,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808439973] [2024-11-10 18:28:17,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:28:17,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:28:17,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:28:17,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:28:17,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:28:17,528 INFO L87 Difference]: Start difference. First operand 65 states and 72 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:17,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:28:17,552 INFO L93 Difference]: Finished difference Result 81 states and 90 transitions. [2024-11-10 18:28:17,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:28:17,553 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2024-11-10 18:28:17,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:28:17,553 INFO L225 Difference]: With dead ends: 81 [2024-11-10 18:28:17,553 INFO L226 Difference]: Without dead ends: 80 [2024-11-10 18:28:17,554 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:28:17,554 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 13 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:28:17,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 90 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:28:17,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-10 18:28:17,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 68. [2024-11-10 18:28:17,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 62 states have (on average 1.2096774193548387) internal successors, (75), 67 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:17,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 75 transitions. [2024-11-10 18:28:17,567 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 75 transitions. Word has length 30 [2024-11-10 18:28:17,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:28:17,568 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 75 transitions. [2024-11-10 18:28:17,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:17,571 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2024-11-10 18:28:17,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-10 18:28:17,572 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:28:17,572 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:28:17,592 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 18:28:17,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:28:17,773 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:28:17,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:28:17,774 INFO L85 PathProgramCache]: Analyzing trace with hash -795546963, now seen corresponding path program 1 times [2024-11-10 18:28:17,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:28:17,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247287503] [2024-11-10 18:28:17,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:17,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:28:17,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:17,867 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:28:17,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:28:17,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247287503] [2024-11-10 18:28:17,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247287503] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:28:17,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1972102263] [2024-11-10 18:28:17,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:17,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:28:17,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:28:17,870 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 18:28:17,873 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 18:28:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:17,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 18:28:17,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:28:17,939 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 18:28:17,940 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:28:17,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1972102263] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:28:17,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:28:17,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-10 18:28:17,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387683373] [2024-11-10 18:28:17,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:28:17,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:28:17,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:28:17,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:28:17,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:28:17,944 INFO L87 Difference]: Start difference. First operand 68 states and 75 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:17,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:28:17,969 INFO L93 Difference]: Finished difference Result 81 states and 89 transitions. [2024-11-10 18:28:17,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:28:17,970 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2024-11-10 18:28:17,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:28:17,971 INFO L225 Difference]: With dead ends: 81 [2024-11-10 18:28:17,971 INFO L226 Difference]: Without dead ends: 80 [2024-11-10 18:28:17,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:28:17,972 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 12 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:28:17,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 91 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:28:17,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-10 18:28:17,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 69. [2024-11-10 18:28:17,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 63 states have (on average 1.2063492063492063) internal successors, (76), 68 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:17,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 76 transitions. [2024-11-10 18:28:17,977 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 76 transitions. Word has length 31 [2024-11-10 18:28:17,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:28:17,978 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 76 transitions. [2024-11-10 18:28:17,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:17,978 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 76 transitions. [2024-11-10 18:28:17,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-10 18:28:17,979 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:28:17,979 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:28:18,000 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-10 18:28:18,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:28:18,180 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:28:18,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:28:18,181 INFO L85 PathProgramCache]: Analyzing trace with hash -519726068, now seen corresponding path program 1 times [2024-11-10 18:28:18,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:28:18,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220128402] [2024-11-10 18:28:18,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:18,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:28:18,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:18,247 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:28:18,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:28:18,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220128402] [2024-11-10 18:28:18,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220128402] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:28:18,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2069873649] [2024-11-10 18:28:18,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:18,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:28:18,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:28:18,254 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 18:28:18,259 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 18:28:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:18,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:28:18,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:28:18,347 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:28:18,348 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:28:18,400 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:28:18,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2069873649] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:28:18,401 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:28:18,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-10 18:28:18,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624691650] [2024-11-10 18:28:18,401 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:28:18,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 18:28:18,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:28:18,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 18:28:18,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:28:18,403 INFO L87 Difference]: Start difference. First operand 69 states and 76 transitions. Second operand has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 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 18:28:18,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:28:18,430 INFO L93 Difference]: Finished difference Result 139 states and 154 transitions. [2024-11-10 18:28:18,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:28:18,431 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2024-11-10 18:28:18,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:28:18,431 INFO L225 Difference]: With dead ends: 139 [2024-11-10 18:28:18,431 INFO L226 Difference]: Without dead ends: 79 [2024-11-10 18:28:18,432 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:28:18,432 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 0 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:28:18,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 150 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:28:18,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-10 18:28:18,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2024-11-10 18:28:18,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 73 states have (on average 1.178082191780822) internal successors, (86), 78 states have internal predecessors, (86), 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 18:28:18,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 86 transitions. [2024-11-10 18:28:18,438 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 86 transitions. Word has length 36 [2024-11-10 18:28:18,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:28:18,438 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 86 transitions. [2024-11-10 18:28:18,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 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 18:28:18,439 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 86 transitions. [2024-11-10 18:28:18,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-10 18:28:18,440 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:28:18,440 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:28:18,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-10 18:28:18,640 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,SelfDestructingSolverStorable9 [2024-11-10 18:28:18,641 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:28:18,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:28:18,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1317898516, now seen corresponding path program 2 times [2024-11-10 18:28:18,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:28:18,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937041217] [2024-11-10 18:28:18,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:18,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:28:18,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:18,706 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-10 18:28:18,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:28:18,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937041217] [2024-11-10 18:28:18,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937041217] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:28:18,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066725125] [2024-11-10 18:28:18,706 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:28:18,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:28:18,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:28:18,709 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 18:28:18,711 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 18:28:18,769 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 18:28:18,769 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:28:18,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:28:18,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:28:18,803 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-10 18:28:18,804 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:28:18,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1066725125] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:28:18,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:28:18,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-10 18:28:18,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706759073] [2024-11-10 18:28:18,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:28:18,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:28:18,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:28:18,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:28:18,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:28:18,806 INFO L87 Difference]: Start difference. First operand 79 states and 86 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:18,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:28:18,849 INFO L93 Difference]: Finished difference Result 116 states and 126 transitions. [2024-11-10 18:28:18,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:28:18,849 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2024-11-10 18:28:18,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:28:18,850 INFO L225 Difference]: With dead ends: 116 [2024-11-10 18:28:18,850 INFO L226 Difference]: Without dead ends: 94 [2024-11-10 18:28:18,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:28:18,851 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 17 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:28:18,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 133 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:28:18,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-10 18:28:18,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 82. [2024-11-10 18:28:18,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 76 states have (on average 1.1710526315789473) internal successors, (89), 81 states have internal predecessors, (89), 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 18:28:18,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 89 transitions. [2024-11-10 18:28:18,856 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 89 transitions. Word has length 46 [2024-11-10 18:28:18,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:28:18,856 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 89 transitions. [2024-11-10 18:28:18,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:18,857 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 89 transitions. [2024-11-10 18:28:18,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-10 18:28:18,858 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:28:18,858 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:28:18,877 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 18:28:19,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:28:19,063 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:28:19,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:28:19,063 INFO L85 PathProgramCache]: Analyzing trace with hash 2094890309, now seen corresponding path program 1 times [2024-11-10 18:28:19,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:28:19,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194368137] [2024-11-10 18:28:19,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:19,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:28:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:19,132 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-10 18:28:19,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:28:19,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194368137] [2024-11-10 18:28:19,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194368137] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:28:19,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781305540] [2024-11-10 18:28:19,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:19,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:28:19,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:28:19,136 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 18:28:19,138 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 18:28:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:19,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 18:28:19,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:28:19,302 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:28:19,302 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:28:19,423 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:28:19,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [781305540] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:28:19,423 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:28:19,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 9, 9] total 18 [2024-11-10 18:28:19,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863897848] [2024-11-10 18:28:19,424 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:28:19,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-10 18:28:19,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:28:19,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-10 18:28:19,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2024-11-10 18:28:19,425 INFO L87 Difference]: Start difference. First operand 82 states and 89 transitions. Second operand has 18 states, 18 states have (on average 4.666666666666667) internal successors, (84), 18 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:19,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:28:19,563 INFO L93 Difference]: Finished difference Result 205 states and 227 transitions. [2024-11-10 18:28:19,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 18:28:19,564 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.666666666666667) internal successors, (84), 18 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2024-11-10 18:28:19,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:28:19,565 INFO L225 Difference]: With dead ends: 205 [2024-11-10 18:28:19,565 INFO L226 Difference]: Without dead ends: 142 [2024-11-10 18:28:19,566 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2024-11-10 18:28:19,566 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 21 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:28:19,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 274 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:28:19,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-10 18:28:19,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 122. [2024-11-10 18:28:19,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 116 states have (on average 1.1206896551724137) internal successors, (130), 121 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:19,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 130 transitions. [2024-11-10 18:28:19,573 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 130 transitions. Word has length 47 [2024-11-10 18:28:19,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:28:19,573 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 130 transitions. [2024-11-10 18:28:19,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.666666666666667) internal successors, (84), 18 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:19,577 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 130 transitions. [2024-11-10 18:28:19,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-10 18:28:19,578 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:28:19,578 INFO L215 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:28:19,598 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 18:28:19,779 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,SelfDestructingSolverStorable11 [2024-11-10 18:28:19,779 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:28:19,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:28:19,780 INFO L85 PathProgramCache]: Analyzing trace with hash -293291020, now seen corresponding path program 2 times [2024-11-10 18:28:19,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:28:19,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342464766] [2024-11-10 18:28:19,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:19,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:28:19,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:19,876 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-10 18:28:19,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:28:19,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342464766] [2024-11-10 18:28:19,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342464766] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:28:19,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113280248] [2024-11-10 18:28:19,878 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:28:19,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:28:19,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:28:19,880 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:28:19,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-10 18:28:19,942 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 18:28:19,942 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:28:19,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:28:19,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:28:19,982 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-10 18:28:19,983 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:28:19,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113280248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:28:19,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:28:19,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-10 18:28:19,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350631593] [2024-11-10 18:28:19,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:28:19,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:28:19,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:28:19,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:28:19,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:28:19,985 INFO L87 Difference]: Start difference. First operand 122 states and 130 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:20,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:28:20,058 INFO L93 Difference]: Finished difference Result 132 states and 141 transitions. [2024-11-10 18:28:20,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:28:20,059 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2024-11-10 18:28:20,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:28:20,059 INFO L225 Difference]: With dead ends: 132 [2024-11-10 18:28:20,060 INFO L226 Difference]: Without dead ends: 131 [2024-11-10 18:28:20,060 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:28:20,061 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 12 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:28:20,061 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 165 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:28:20,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-10 18:28:20,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 129. [2024-11-10 18:28:20,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 123 states have (on average 1.1300813008130082) internal successors, (139), 128 states have internal predecessors, (139), 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 18:28:20,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 139 transitions. [2024-11-10 18:28:20,066 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 139 transitions. Word has length 76 [2024-11-10 18:28:20,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:28:20,066 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 139 transitions. [2024-11-10 18:28:20,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:20,066 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 139 transitions. [2024-11-10 18:28:20,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-10 18:28:20,067 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:28:20,067 INFO L215 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:28:20,085 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-10 18:28:20,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-10 18:28:20,272 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:28:20,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:28:20,273 INFO L85 PathProgramCache]: Analyzing trace with hash -502087047, now seen corresponding path program 1 times [2024-11-10 18:28:20,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:28:20,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388374416] [2024-11-10 18:28:20,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:20,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:28:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:20,354 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-10 18:28:20,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:28:20,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388374416] [2024-11-10 18:28:20,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388374416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:28:20,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:28:20,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:28:20,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567620302] [2024-11-10 18:28:20,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:28:20,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:28:20,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:28:20,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:28:20,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:28:20,356 INFO L87 Difference]: Start difference. First operand 129 states and 139 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:20,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:28:20,372 INFO L93 Difference]: Finished difference Result 129 states and 139 transitions. [2024-11-10 18:28:20,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:28:20,373 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2024-11-10 18:28:20,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:28:20,374 INFO L225 Difference]: With dead ends: 129 [2024-11-10 18:28:20,374 INFO L226 Difference]: Without dead ends: 128 [2024-11-10 18:28:20,374 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:28:20,375 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 1 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:28:20,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 137 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:28:20,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-10 18:28:20,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2024-11-10 18:28:20,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 123 states have (on average 1.113821138211382) internal successors, (137), 127 states have internal predecessors, (137), 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 18:28:20,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 137 transitions. [2024-11-10 18:28:20,381 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 137 transitions. Word has length 77 [2024-11-10 18:28:20,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:28:20,382 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 137 transitions. [2024-11-10 18:28:20,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:20,382 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 137 transitions. [2024-11-10 18:28:20,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-10 18:28:20,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:28:20,383 INFO L215 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:28:20,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 18:28:20,384 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:28:20,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:28:20,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1924471982, now seen corresponding path program 1 times [2024-11-10 18:28:20,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:28:20,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640905433] [2024-11-10 18:28:20,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:20,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:28:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:20,468 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-10 18:28:20,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:28:20,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640905433] [2024-11-10 18:28:20,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640905433] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:28:20,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:28:20,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:28:20,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047083846] [2024-11-10 18:28:20,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:28:20,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:28:20,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:28:20,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:28:20,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:28:20,470 INFO L87 Difference]: Start difference. First operand 128 states and 137 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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 18:28:20,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:28:20,504 INFO L93 Difference]: Finished difference Result 134 states and 143 transitions. [2024-11-10 18:28:20,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:28:20,504 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-11-10 18:28:20,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:28:20,505 INFO L225 Difference]: With dead ends: 134 [2024-11-10 18:28:20,505 INFO L226 Difference]: Without dead ends: 132 [2024-11-10 18:28:20,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:28:20,506 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 2 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:28:20,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 125 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:28:20,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-10 18:28:20,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 131. [2024-11-10 18:28:20,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 126 states have (on average 1.1111111111111112) internal successors, (140), 130 states have internal predecessors, (140), 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 18:28:20,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 140 transitions. [2024-11-10 18:28:20,516 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 140 transitions. Word has length 82 [2024-11-10 18:28:20,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:28:20,517 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 140 transitions. [2024-11-10 18:28:20,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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 18:28:20,517 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 140 transitions. [2024-11-10 18:28:20,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-10 18:28:20,518 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:28:20,519 INFO L215 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:28:20,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 18:28:20,520 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:28:20,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:28:20,521 INFO L85 PathProgramCache]: Analyzing trace with hash -442788331, now seen corresponding path program 1 times [2024-11-10 18:28:20,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:28:20,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409994954] [2024-11-10 18:28:20,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:20,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:28:20,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:20,635 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-10 18:28:20,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:28:20,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409994954] [2024-11-10 18:28:20,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409994954] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:28:20,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [334546220] [2024-11-10 18:28:20,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:20,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:28:20,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:28:20,638 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:28:20,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-10 18:28:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:20,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 18:28:20,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:28:20,937 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-10 18:28:20,939 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:28:21,286 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-10 18:28:21,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [334546220] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:28:21,287 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:28:21,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 17, 17] total 35 [2024-11-10 18:28:21,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705924888] [2024-11-10 18:28:21,288 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:28:21,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-10 18:28:21,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:28:21,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-10 18:28:21,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=912, Unknown=0, NotChecked=0, Total=1190 [2024-11-10 18:28:21,290 INFO L87 Difference]: Start difference. First operand 131 states and 140 transitions. Second operand has 35 states, 35 states have (on average 4.4) internal successors, (154), 35 states have internal predecessors, (154), 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 18:28:21,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:28:21,492 INFO L93 Difference]: Finished difference Result 278 states and 306 transitions. [2024-11-10 18:28:21,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-10 18:28:21,493 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 4.4) internal successors, (154), 35 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-11-10 18:28:21,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:28:21,495 INFO L225 Difference]: With dead ends: 278 [2024-11-10 18:28:21,495 INFO L226 Difference]: Without dead ends: 186 [2024-11-10 18:28:21,496 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=278, Invalid=912, Unknown=0, NotChecked=0, Total=1190 [2024-11-10 18:28:21,498 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 12 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:28:21,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 488 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:28:21,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-10 18:28:21,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 175. [2024-11-10 18:28:21,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 170 states have (on average 1.0823529411764705) internal successors, (184), 174 states have internal predecessors, (184), 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 18:28:21,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 184 transitions. [2024-11-10 18:28:21,509 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 184 transitions. Word has length 87 [2024-11-10 18:28:21,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:28:21,510 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 184 transitions. [2024-11-10 18:28:21,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 4.4) internal successors, (154), 35 states have internal predecessors, (154), 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 18:28:21,510 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 184 transitions. [2024-11-10 18:28:21,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-10 18:28:21,511 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:28:21,511 INFO L215 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:28:21,525 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-10 18:28:21,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-10 18:28:21,715 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:28:21,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:28:21,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1093355530, now seen corresponding path program 1 times [2024-11-10 18:28:21,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:28:21,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783237689] [2024-11-10 18:28:21,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:21,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:28:21,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:21,811 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2024-11-10 18:28:21,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:28:21,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783237689] [2024-11-10 18:28:21,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783237689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:28:21,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:28:21,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:28:21,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721571639] [2024-11-10 18:28:21,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:28:21,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:28:21,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:28:21,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:28:21,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:28:21,813 INFO L87 Difference]: Start difference. First operand 175 states and 184 transitions. Second operand has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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 18:28:21,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:28:21,832 INFO L93 Difference]: Finished difference Result 175 states and 184 transitions. [2024-11-10 18:28:21,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:28:21,832 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2024-11-10 18:28:21,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:28:21,834 INFO L225 Difference]: With dead ends: 175 [2024-11-10 18:28:21,834 INFO L226 Difference]: Without dead ends: 174 [2024-11-10 18:28:21,834 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:28:21,835 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 12 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:28:21,835 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 79 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:28:21,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-11-10 18:28:21,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2024-11-10 18:28:21,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 170 states have (on average 1.076470588235294) internal successors, (183), 173 states have internal predecessors, (183), 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 18:28:21,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 183 transitions. [2024-11-10 18:28:21,841 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 183 transitions. Word has length 128 [2024-11-10 18:28:21,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:28:21,841 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 183 transitions. [2024-11-10 18:28:21,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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 18:28:21,842 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 183 transitions. [2024-11-10 18:28:21,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-10 18:28:21,843 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:28:21,843 INFO L215 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:28:21,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 18:28:21,843 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:28:21,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:28:21,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1349250865, now seen corresponding path program 1 times [2024-11-10 18:28:21,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:28:21,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414202955] [2024-11-10 18:28:21,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:21,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:28:21,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:21,929 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 575 trivial. 0 not checked. [2024-11-10 18:28:21,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:28:21,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414202955] [2024-11-10 18:28:21,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414202955] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:28:21,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:28:21,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:28:21,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536414437] [2024-11-10 18:28:21,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:28:21,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:28:21,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:28:21,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:28:21,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:28:21,931 INFO L87 Difference]: Start difference. First operand 174 states and 183 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 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 18:28:21,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:28:21,955 INFO L93 Difference]: Finished difference Result 174 states and 183 transitions. [2024-11-10 18:28:21,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:28:21,955 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2024-11-10 18:28:21,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:28:21,956 INFO L225 Difference]: With dead ends: 174 [2024-11-10 18:28:21,957 INFO L226 Difference]: Without dead ends: 172 [2024-11-10 18:28:21,957 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:28:21,957 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 11 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:28:21,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 108 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:28:21,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-10 18:28:21,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 168. [2024-11-10 18:28:21,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 166 states have (on average 1.0662650602409638) internal successors, (177), 167 states have internal predecessors, (177), 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 18:28:21,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 177 transitions. [2024-11-10 18:28:21,964 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 177 transitions. Word has length 133 [2024-11-10 18:28:21,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:28:21,965 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 177 transitions. [2024-11-10 18:28:21,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 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 18:28:21,965 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 177 transitions. [2024-11-10 18:28:21,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-10 18:28:21,966 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:28:21,966 INFO L215 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:28:21,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 18:28:21,967 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:28:21,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:28:21,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1122896120, now seen corresponding path program 1 times [2024-11-10 18:28:21,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:28:21,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715007598] [2024-11-10 18:28:21,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:21,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:28:21,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:22,049 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2024-11-10 18:28:22,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:28:22,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715007598] [2024-11-10 18:28:22,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715007598] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:28:22,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:28:22,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:28:22,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520192837] [2024-11-10 18:28:22,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:28:22,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:28:22,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:28:22,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:28:22,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:28:22,052 INFO L87 Difference]: Start difference. First operand 168 states and 177 transitions. Second operand has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 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 18:28:22,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:28:22,075 INFO L93 Difference]: Finished difference Result 168 states and 177 transitions. [2024-11-10 18:28:22,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:28:22,076 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2024-11-10 18:28:22,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:28:22,077 INFO L225 Difference]: With dead ends: 168 [2024-11-10 18:28:22,077 INFO L226 Difference]: Without dead ends: 167 [2024-11-10 18:28:22,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:28:22,078 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 9 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:28:22,078 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 109 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:28:22,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-10 18:28:22,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 164. [2024-11-10 18:28:22,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 163 states have (on average 1.0613496932515338) internal successors, (173), 163 states have internal predecessors, (173), 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 18:28:22,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 173 transitions. [2024-11-10 18:28:22,085 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 173 transitions. Word has length 134 [2024-11-10 18:28:22,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:28:22,085 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 173 transitions. [2024-11-10 18:28:22,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 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 18:28:22,086 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 173 transitions. [2024-11-10 18:28:22,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-10 18:28:22,087 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:28:22,087 INFO L215 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:28:22,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 18:28:22,087 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:28:22,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:28:22,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1122967490, now seen corresponding path program 1 times [2024-11-10 18:28:22,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:28:22,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842015539] [2024-11-10 18:28:22,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:22,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:28:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:22,196 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2024-11-10 18:28:22,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:28:22,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842015539] [2024-11-10 18:28:22,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842015539] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:28:22,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [267104274] [2024-11-10 18:28:22,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:22,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:28:22,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:28:22,199 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:28:22,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-10 18:28:22,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:22,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-10 18:28:22,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:28:22,882 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 0 proven. 555 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-10 18:28:22,882 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:28:23,995 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 0 proven. 555 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-10 18:28:23,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [267104274] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:28:23,997 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:28:23,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 33, 33] total 67 [2024-11-10 18:28:23,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88500704] [2024-11-10 18:28:23,998 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:28:23,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2024-11-10 18:28:23,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:28:24,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2024-11-10 18:28:24,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1065, Invalid=3357, Unknown=0, NotChecked=0, Total=4422 [2024-11-10 18:28:24,003 INFO L87 Difference]: Start difference. First operand 164 states and 173 transitions. Second operand has 67 states, 67 states have (on average 3.298507462686567) internal successors, (221), 67 states have internal predecessors, (221), 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 18:28:24,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:28:24,298 INFO L93 Difference]: Finished difference Result 373 states and 412 transitions. [2024-11-10 18:28:24,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-11-10 18:28:24,299 INFO L78 Accepts]: Start accepts. Automaton has has 67 states, 67 states have (on average 3.298507462686567) internal successors, (221), 67 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2024-11-10 18:28:24,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:28:24,300 INFO L225 Difference]: With dead ends: 373 [2024-11-10 18:28:24,300 INFO L226 Difference]: Without dead ends: 288 [2024-11-10 18:28:24,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1233 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1065, Invalid=3357, Unknown=0, NotChecked=0, Total=4422 [2024-11-10 18:28:24,305 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 35 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:28:24,305 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 347 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:28:24,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2024-11-10 18:28:24,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 268. [2024-11-10 18:28:24,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 267 states have (on average 1.0449438202247192) internal successors, (279), 267 states have internal predecessors, (279), 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 18:28:24,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 279 transitions. [2024-11-10 18:28:24,314 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 279 transitions. Word has length 134 [2024-11-10 18:28:24,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:28:24,315 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 279 transitions. [2024-11-10 18:28:24,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 3.298507462686567) internal successors, (221), 67 states have internal predecessors, (221), 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 18:28:24,315 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 279 transitions. [2024-11-10 18:28:24,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-11-10 18:28:24,317 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:28:24,317 INFO L215 NwaCegarLoop]: trace histogram [32, 31, 31, 31, 31, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:28:24,336 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-10 18:28:24,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2024-11-10 18:28:24,522 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-10 18:28:24,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:28:24,522 INFO L85 PathProgramCache]: Analyzing trace with hash 198393843, now seen corresponding path program 2 times [2024-11-10 18:28:24,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:28:24,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359343379] [2024-11-10 18:28:24,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:24,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:28:24,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:24,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2436 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 2401 trivial. 0 not checked. [2024-11-10 18:28:24,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:28:24,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359343379] [2024-11-10 18:28:24,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359343379] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:28:24,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477273377] [2024-11-10 18:28:24,765 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:28:24,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:28:24,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:28:24,767 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:28:24,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-10 18:28:24,886 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 18:28:24,887 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:28:24,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:28:24,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:28:24,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2436 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2427 trivial. 0 not checked. [2024-11-10 18:28:24,930 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:28:24,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [477273377] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:28:24,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:28:24,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-10 18:28:24,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840956947] [2024-11-10 18:28:24,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:28:24,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:28:24,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:28:24,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:28:24,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-10 18:28:24,932 INFO L87 Difference]: Start difference. First operand 268 states and 279 transitions. Second operand has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:24,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:28:24,977 INFO L93 Difference]: Finished difference Result 268 states and 279 transitions. [2024-11-10 18:28:24,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:28:24,978 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 223 [2024-11-10 18:28:24,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:28:24,978 INFO L225 Difference]: With dead ends: 268 [2024-11-10 18:28:24,978 INFO L226 Difference]: Without dead ends: 0 [2024-11-10 18:28:24,979 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-10 18:28:24,980 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 13 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:28:24,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 138 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:28:24,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-10 18:28:24,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-10 18:28:24,981 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 18:28:24,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-10 18:28:24,981 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 223 [2024-11-10 18:28:24,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:28:24,981 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 18:28:24,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:24,981 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-10 18:28:24,982 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-10 18:28:24,985 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2024-11-10 18:28:24,986 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2024-11-10 18:28:24,986 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2024-11-10 18:28:24,987 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2024-11-10 18:28:24,988 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2024-11-10 18:28:24,988 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2024-11-10 18:28:24,988 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2024-11-10 18:28:24,988 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2024-11-10 18:28:24,988 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2024-11-10 18:28:24,988 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2024-11-10 18:28:24,988 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2024-11-10 18:28:24,989 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2024-11-10 18:28:24,989 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2024-11-10 18:28:24,989 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2024-11-10 18:28:24,989 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2024-11-10 18:28:24,989 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2024-11-10 18:28:25,010 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-10 18:28:25,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:28:25,198 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:28:25,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-10 18:28:25,272 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 18:28:25,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 06:28:25 BoogieIcfgContainer [2024-11-10 18:28:25,283 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 18:28:25,284 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 18:28:25,284 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 18:28:25,284 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 18:28:25,285 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:28:14" (3/4) ... [2024-11-10 18:28:25,287 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 18:28:25,297 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-10 18:28:25,297 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-10 18:28:25,297 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 18:28:25,298 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 18:28:25,392 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 18:28:25,392 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 18:28:25,392 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 18:28:25,393 INFO L158 Benchmark]: Toolchain (without parser) took 12130.95ms. Allocated memory was 205.5MB in the beginning and 333.4MB in the end (delta: 127.9MB). Free memory was 131.7MB in the beginning and 219.2MB in the end (delta: -87.5MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2024-11-10 18:28:25,393 INFO L158 Benchmark]: CDTParser took 1.86ms. Allocated memory is still 205.5MB. Free memory is still 170.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 18:28:25,393 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.37ms. Allocated memory is still 205.5MB. Free memory was 131.5MB in the beginning and 118.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-10 18:28:25,394 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.55ms. Allocated memory is still 205.5MB. Free memory was 118.9MB in the beginning and 117.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 18:28:25,394 INFO L158 Benchmark]: Boogie Preprocessor took 53.99ms. Allocated memory is still 205.5MB. Free memory was 117.2MB in the beginning and 115.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 18:28:25,397 INFO L158 Benchmark]: IcfgBuilder took 542.01ms. Allocated memory is still 205.5MB. Free memory was 115.2MB in the beginning and 165.9MB in the end (delta: -50.6MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-11-10 18:28:25,398 INFO L158 Benchmark]: TraceAbstraction took 11063.93ms. Allocated memory was 205.5MB in the beginning and 333.4MB in the end (delta: 127.9MB). Free memory was 165.0MB in the beginning and 224.4MB in the end (delta: -59.5MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. [2024-11-10 18:28:25,398 INFO L158 Benchmark]: Witness Printer took 108.39ms. Allocated memory is still 333.4MB. Free memory was 224.4MB in the beginning and 219.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 18:28:25,399 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.86ms. Allocated memory is still 205.5MB. Free memory is still 170.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.37ms. Allocated memory is still 205.5MB. Free memory was 131.5MB in the beginning and 118.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.55ms. Allocated memory is still 205.5MB. Free memory was 118.9MB in the beginning and 117.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.99ms. Allocated memory is still 205.5MB. Free memory was 117.2MB in the beginning and 115.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 542.01ms. Allocated memory is still 205.5MB. Free memory was 115.2MB in the beginning and 165.9MB in the end (delta: -50.6MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * TraceAbstraction took 11063.93ms. Allocated memory was 205.5MB in the beginning and 333.4MB in the end (delta: 127.9MB). Free memory was 165.0MB in the beginning and 224.4MB in the end (delta: -59.5MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. * Witness Printer took 108.39ms. Allocated memory is still 333.4MB. Free memory was 224.4MB in the beginning and 219.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 66 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 10.9s, OverallIterations: 21, TraceHistogramMax: 32, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 234 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 234 mSDsluCounter, 3327 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2340 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1195 IncrementalHoareTripleChecker+Invalid, 1219 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 987 mSDtfsCounter, 1195 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1170 GetRequests, 984 SyntacticMatches, 0 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1565 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=268occurred in iteration=20, InterpolantAutomatonStates: 188, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 21 MinimizatonAttempts, 126 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 2154 NumberOfCodeBlocks, 1862 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 2419 ConstructedInterpolants, 0 QuantifiedInterpolants, 3517 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1386 ConjunctsInSsa, 88 ConjunctsInUnsatCore, 39 InterpolantComputations, 17 PerfectInterpolantSequences, 8046/9523 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 41]: Location Invariant Derived location invariant: null - InvariantResult [Line: 25]: Location Invariant Derived location invariant: null - InvariantResult [Line: 28]: Location Invariant Derived location invariant: null - InvariantResult [Line: 19]: Location Invariant Derived location invariant: null - InvariantResult [Line: 40]: Location Invariant Derived location invariant: null RESULT: Ultimate proved your program to be correct! [2024-11-10 18:28:25,433 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