./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-examples/standard_copyInit_ground.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d 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/standard_copyInit_ground.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dba50526fe277b889497552d450811df3b306fd8692f19f5bf4d016bb218a94b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 03:46:37,758 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 03:46:37,837 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 03:46:37,841 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 03:46:37,841 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 03:46:37,867 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 03:46:37,868 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 03:46:37,869 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 03:46:37,869 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 03:46:37,873 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 03:46:37,873 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 03:46:37,873 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 03:46:37,874 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 03:46:37,874 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 03:46:37,874 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 03:46:37,874 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 03:46:37,875 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 03:46:37,875 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 03:46:37,875 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 03:46:37,875 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 03:46:37,875 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 03:46:37,876 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 03:46:37,876 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 03:46:37,876 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 03:46:37,877 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 03:46:37,877 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 03:46:37,877 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 03:46:37,877 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 03:46:37,877 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 03:46:37,878 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 03:46:37,878 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 03:46:37,879 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 03:46:37,879 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 03:46:37,879 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 03:46:37,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:46:37,879 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 03:46:37,879 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 03:46:37,880 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 03:46:37,880 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 03:46:37,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 03:46:37,881 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 03:46:37,881 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 03:46:37,882 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 03:46:37,882 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 03:46:37,882 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dba50526fe277b889497552d450811df3b306fd8692f19f5bf4d016bb218a94b [2024-11-17 03:46:38,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 03:46:38,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 03:46:38,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 03:46:38,156 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 03:46:38,156 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 03:46:38,158 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-examples/standard_copyInit_ground.i [2024-11-17 03:46:39,634 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 03:46:39,833 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 03:46:39,834 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_copyInit_ground.i [2024-11-17 03:46:39,842 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/054d015cd/fb0b9da9316a4b3c910de078f80a9cf3/FLAGe82d62a8a [2024-11-17 03:46:39,859 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/054d015cd/fb0b9da9316a4b3c910de078f80a9cf3 [2024-11-17 03:46:39,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 03:46:39,864 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 03:46:39,867 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 03:46:39,868 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 03:46:39,873 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 03:46:39,873 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:46:39" (1/1) ... [2024-11-17 03:46:39,874 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e22fa0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:46:39, skipping insertion in model container [2024-11-17 03:46:39,874 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:46:39" (1/1) ... [2024-11-17 03:46:39,892 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 03:46:40,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:46:40,108 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 03:46:40,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:46:40,151 INFO L204 MainTranslator]: Completed translation [2024-11-17 03:46:40,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:46:40 WrapperNode [2024-11-17 03:46:40,152 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 03:46:40,153 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 03:46:40,154 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 03:46:40,154 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 03:46:40,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:46:40" (1/1) ... [2024-11-17 03:46:40,167 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:46:40" (1/1) ... [2024-11-17 03:46:40,198 INFO L138 Inliner]: procedures = 15, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2024-11-17 03:46:40,199 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 03:46:40,199 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 03:46:40,200 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 03:46:40,200 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 03:46:40,224 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:46:40" (1/1) ... [2024-11-17 03:46:40,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:46:40" (1/1) ... [2024-11-17 03:46:40,231 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:46:40" (1/1) ... [2024-11-17 03:46:40,266 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-11-17 03:46:40,267 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:46:40" (1/1) ... [2024-11-17 03:46:40,267 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:46:40" (1/1) ... [2024-11-17 03:46:40,272 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:46:40" (1/1) ... [2024-11-17 03:46:40,276 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:46:40" (1/1) ... [2024-11-17 03:46:40,277 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:46:40" (1/1) ... [2024-11-17 03:46:40,278 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:46:40" (1/1) ... [2024-11-17 03:46:40,280 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 03:46:40,280 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 03:46:40,280 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 03:46:40,281 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 03:46:40,281 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:46:40" (1/1) ... [2024-11-17 03:46:40,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:46:40,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:46:40,314 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) [2024-11-17 03:46:40,317 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 [2024-11-17 03:46:40,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 03:46:40,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 03:46:40,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-17 03:46:40,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-17 03:46:40,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-17 03:46:40,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 03:46:40,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 03:46:40,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-17 03:46:40,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 03:46:40,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 03:46:40,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 03:46:40,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-17 03:46:40,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-17 03:46:40,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 03:46:40,449 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 03:46:40,451 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 03:46:40,626 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L15: call ULTIMATE.dealloc(main_~#a~0#1.base, main_~#a~0#1.offset);havoc main_~#a~0#1.base, main_~#a~0#1.offset;call ULTIMATE.dealloc(main_~#b~0#1.base, main_~#b~0#1.offset);havoc main_~#b~0#1.base, main_~#b~0#1.offset; [2024-11-17 03:46:40,637 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-17 03:46:40,638 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 03:46:40,653 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 03:46:40,654 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 03:46:40,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:46:40 BoogieIcfgContainer [2024-11-17 03:46:40,655 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 03:46:40,659 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 03:46:40,659 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 03:46:40,662 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 03:46:40,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:46:39" (1/3) ... [2024-11-17 03:46:40,663 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ca72bf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:46:40, skipping insertion in model container [2024-11-17 03:46:40,664 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:46:40" (2/3) ... [2024-11-17 03:46:40,664 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ca72bf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:46:40, skipping insertion in model container [2024-11-17 03:46:40,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:46:40" (3/3) ... [2024-11-17 03:46:40,667 INFO L112 eAbstractionObserver]: Analyzing ICFG standard_copyInit_ground.i [2024-11-17 03:46:40,683 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 03:46:40,684 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-17 03:46:40,750 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 03:46:40,759 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;@6bc5ed0f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 03:46:40,759 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-17 03:46:40,764 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 27 states have (on average 1.5185185185185186) internal successors, (41), 33 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:46:40,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-17 03:46:40,771 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:46:40,771 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-17 03:46:40,772 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:46:40,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:46:40,777 INFO L85 PathProgramCache]: Analyzing trace with hash 73448680, now seen corresponding path program 1 times [2024-11-17 03:46:40,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:46:40,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642140712] [2024-11-17 03:46:40,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:46:40,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:46:40,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:46:40,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:46:40,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:46:40,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642140712] [2024-11-17 03:46:40,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642140712] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:46:40,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:46:40,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:46:40,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8076854] [2024-11-17 03:46:40,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:46:40,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:46:40,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:46:41,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:46:41,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:46:41,015 INFO L87 Difference]: Start difference. First operand has 34 states, 27 states have (on average 1.5185185185185186) internal successors, (41), 33 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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) [2024-11-17 03:46:41,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:46:41,074 INFO L93 Difference]: Finished difference Result 67 states and 83 transitions. [2024-11-17 03:46:41,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:46:41,076 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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 [2024-11-17 03:46:41,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:46:41,081 INFO L225 Difference]: With dead ends: 67 [2024-11-17 03:46:41,081 INFO L226 Difference]: Without dead ends: 34 [2024-11-17 03:46:41,084 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 [2024-11-17 03:46:41,088 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 3 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:46:41,089 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 52 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:46:41,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-17 03:46:41,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2024-11-17 03:46:41,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 32 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) [2024-11-17 03:46:41,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2024-11-17 03:46:41,126 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 5 [2024-11-17 03:46:41,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:46:41,126 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2024-11-17 03:46:41,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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) [2024-11-17 03:46:41,127 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2024-11-17 03:46:41,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-17 03:46:41,128 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:46:41,128 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-11-17 03:46:41,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 03:46:41,129 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:46:41,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:46:41,130 INFO L85 PathProgramCache]: Analyzing trace with hash 317725986, now seen corresponding path program 1 times [2024-11-17 03:46:41,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:46:41,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50685573] [2024-11-17 03:46:41,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:46:41,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:46:41,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:46:41,226 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:46:41,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:46:41,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50685573] [2024-11-17 03:46:41,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50685573] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:46:41,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547327407] [2024-11-17 03:46:41,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:46:41,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:46:41,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:46:41,230 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) [2024-11-17 03:46:41,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 03:46:41,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:46:41,282 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 03:46:41,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:46:41,343 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:46:41,343 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:46:41,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547327407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:46:41,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 03:46:41,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-17 03:46:41,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694342408] [2024-11-17 03:46:41,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:46:41,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:46:41,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:46:41,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:46:41,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 03:46:41,349 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:46:41,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:46:41,391 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2024-11-17 03:46:41,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:46:41,392 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-17 03:46:41,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:46:41,393 INFO L225 Difference]: With dead ends: 34 [2024-11-17 03:46:41,393 INFO L226 Difference]: Without dead ends: 33 [2024-11-17 03:46:41,393 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 03:46:41,395 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 3 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 40 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 [2024-11-17 03:46:41,395 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 40 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:46:41,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-17 03:46:41,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2024-11-17 03:46:41,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 31 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) [2024-11-17 03:46:41,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2024-11-17 03:46:41,401 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 10 [2024-11-17 03:46:41,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:46:41,401 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2024-11-17 03:46:41,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:46:41,401 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2024-11-17 03:46:41,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-17 03:46:41,402 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:46:41,402 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2024-11-17 03:46:41,422 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-17 03:46:41,606 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 [2024-11-17 03:46:41,607 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:46:41,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:46:41,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1259570980, now seen corresponding path program 1 times [2024-11-17 03:46:41,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:46:41,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440897153] [2024-11-17 03:46:41,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:46:41,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:46:41,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:46:41,695 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 03:46:41,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:46:41,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440897153] [2024-11-17 03:46:41,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440897153] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:46:41,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:46:41,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:46:41,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679164505] [2024-11-17 03:46:41,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:46:41,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:46:41,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:46:41,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:46:41,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:46:41,699 INFO L87 Difference]: Start difference. First operand 32 states and 34 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) [2024-11-17 03:46:41,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:46:41,720 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2024-11-17 03:46:41,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:46:41,721 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 [2024-11-17 03:46:41,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:46:41,721 INFO L225 Difference]: With dead ends: 32 [2024-11-17 03:46:41,722 INFO L226 Difference]: Without dead ends: 31 [2024-11-17 03:46:41,722 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 [2024-11-17 03:46:41,723 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 3 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:46:41,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 39 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:46:41,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-11-17 03:46:41,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29. [2024-11-17 03:46:41,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 25 states have (on average 1.24) internal successors, (31), 28 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:46:41,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2024-11-17 03:46:41,731 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 11 [2024-11-17 03:46:41,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:46:41,731 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2024-11-17 03:46:41,732 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) [2024-11-17 03:46:41,732 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2024-11-17 03:46:41,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-17 03:46:41,732 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:46:41,733 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:46:41,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 03:46:41,733 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:46:41,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:46:41,734 INFO L85 PathProgramCache]: Analyzing trace with hash -735035715, now seen corresponding path program 1 times [2024-11-17 03:46:41,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:46:41,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903180529] [2024-11-17 03:46:41,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:46:41,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:46:41,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:46:41,829 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:46:41,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:46:41,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903180529] [2024-11-17 03:46:41,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903180529] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:46:41,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869043271] [2024-11-17 03:46:41,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:46:41,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:46:41,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:46:41,833 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:46:41,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 03:46:41,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:46:41,898 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 03:46:41,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:46:41,924 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:46:41,925 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:46:41,953 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:46:41,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869043271] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:46:41,954 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:46:41,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-17 03:46:41,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584479691] [2024-11-17 03:46:41,955 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:46:41,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 03:46:41,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:46:41,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 03:46:41,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-17 03:46:41,957 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 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) [2024-11-17 03:46:42,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:46:42,016 INFO L93 Difference]: Finished difference Result 64 states and 70 transitions. [2024-11-17 03:46:42,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 03:46:42,018 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 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 13 [2024-11-17 03:46:42,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:46:42,019 INFO L225 Difference]: With dead ends: 64 [2024-11-17 03:46:42,019 INFO L226 Difference]: Without dead ends: 44 [2024-11-17 03:46:42,020 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-17 03:46:42,022 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 7 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:46:42,024 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 91 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:46:42,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-17 03:46:42,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-17 03:46:42,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 40 states have (on average 1.15) internal successors, (46), 43 states have internal predecessors, (46), 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) [2024-11-17 03:46:42,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 46 transitions. [2024-11-17 03:46:42,033 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 46 transitions. Word has length 13 [2024-11-17 03:46:42,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:46:42,034 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 46 transitions. [2024-11-17 03:46:42,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 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) [2024-11-17 03:46:42,035 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2024-11-17 03:46:42,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-17 03:46:42,035 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:46:42,036 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:46:42,053 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-17 03:46:42,240 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 [2024-11-17 03:46:42,241 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:46:42,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:46:42,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1956550839, now seen corresponding path program 2 times [2024-11-17 03:46:42,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:46:42,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225219519] [2024-11-17 03:46:42,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:46:42,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:46:42,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:46:42,359 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-17 03:46:42,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:46:42,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225219519] [2024-11-17 03:46:42,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225219519] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:46:42,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:46:42,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:46:42,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501770442] [2024-11-17 03:46:42,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:46:42,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:46:42,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:46:42,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:46:42,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:46:42,362 INFO L87 Difference]: Start difference. First operand 44 states and 46 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:46:42,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:46:42,398 INFO L93 Difference]: Finished difference Result 49 states and 51 transitions. [2024-11-17 03:46:42,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:46:42,398 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2024-11-17 03:46:42,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:46:42,399 INFO L225 Difference]: With dead ends: 49 [2024-11-17 03:46:42,399 INFO L226 Difference]: Without dead ends: 47 [2024-11-17 03:46:42,400 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 [2024-11-17 03:46:42,401 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 6 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:46:42,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 50 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:46:42,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-17 03:46:42,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 46. [2024-11-17 03:46:42,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 42 states have (on average 1.1428571428571428) internal successors, (48), 45 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) [2024-11-17 03:46:42,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 48 transitions. [2024-11-17 03:46:42,406 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 48 transitions. Word has length 28 [2024-11-17 03:46:42,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:46:42,407 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 48 transitions. [2024-11-17 03:46:42,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:46:42,407 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2024-11-17 03:46:42,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-17 03:46:42,408 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:46:42,408 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:46:42,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 03:46:42,408 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:46:42,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:46:42,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1454345639, now seen corresponding path program 1 times [2024-11-17 03:46:42,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:46:42,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314248846] [2024-11-17 03:46:42,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:46:42,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:46:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:46:42,574 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 03:46:42,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:46:42,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314248846] [2024-11-17 03:46:42,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314248846] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:46:42,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1865969999] [2024-11-17 03:46:42,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:46:42,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:46:42,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:46:42,577 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) [2024-11-17 03:46:42,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 03:46:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:46:42,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 03:46:42,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:46:42,701 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 03:46:42,702 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:46:42,811 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 03:46:42,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1865969999] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:46:42,812 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:46:42,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-17 03:46:42,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607587934] [2024-11-17 03:46:42,813 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:46:42,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-17 03:46:42,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:46:42,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-17 03:46:42,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-17 03:46:42,816 INFO L87 Difference]: Start difference. First operand 46 states and 48 transitions. Second operand has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 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) [2024-11-17 03:46:42,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:46:42,896 INFO L93 Difference]: Finished difference Result 98 states and 107 transitions. [2024-11-17 03:46:42,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 03:46:42,896 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 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) Word has length 33 [2024-11-17 03:46:42,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:46:42,897 INFO L225 Difference]: With dead ends: 98 [2024-11-17 03:46:42,897 INFO L226 Difference]: Without dead ends: 76 [2024-11-17 03:46:42,898 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-17 03:46:42,898 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 10 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:46:42,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 64 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:46:42,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-17 03:46:42,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-17 03:46:42,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 72 states have (on average 1.0833333333333333) internal successors, (78), 75 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) [2024-11-17 03:46:42,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 78 transitions. [2024-11-17 03:46:42,911 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 78 transitions. Word has length 33 [2024-11-17 03:46:42,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:46:42,911 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 78 transitions. [2024-11-17 03:46:42,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 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) [2024-11-17 03:46:42,911 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 78 transitions. [2024-11-17 03:46:42,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-17 03:46:42,913 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:46:42,914 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:46:42,932 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-17 03:46:43,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:46:43,115 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:46:43,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:46:43,115 INFO L85 PathProgramCache]: Analyzing trace with hash 134167143, now seen corresponding path program 2 times [2024-11-17 03:46:43,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:46:43,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000237515] [2024-11-17 03:46:43,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:46:43,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:46:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:46:43,380 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 03:46:43,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:46:43,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000237515] [2024-11-17 03:46:43,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000237515] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:46:43,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25481478] [2024-11-17 03:46:43,381 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 03:46:43,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:46:43,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:46:43,383 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) [2024-11-17 03:46:43,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 03:46:43,461 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 03:46:43,462 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:46:43,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 03:46:43,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:46:43,548 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 03:46:43,548 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:46:43,846 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 03:46:43,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [25481478] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:46:43,846 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:46:43,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2024-11-17 03:46:43,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069648087] [2024-11-17 03:46:43,846 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:46:43,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-17 03:46:43,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:46:43,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-17 03:46:43,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2024-11-17 03:46:43,850 INFO L87 Difference]: Start difference. First operand 76 states and 78 transitions. Second operand has 25 states, 25 states have (on average 4.8) internal successors, (120), 25 states have internal predecessors, (120), 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) [2024-11-17 03:46:44,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:46:44,012 INFO L93 Difference]: Finished difference Result 158 states and 173 transitions. [2024-11-17 03:46:44,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-17 03:46:44,014 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 4.8) internal successors, (120), 25 states have internal predecessors, (120), 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 63 [2024-11-17 03:46:44,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:46:44,015 INFO L225 Difference]: With dead ends: 158 [2024-11-17 03:46:44,016 INFO L226 Difference]: Without dead ends: 136 [2024-11-17 03:46:44,016 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2024-11-17 03:46:44,017 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 10 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:46:44,017 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 61 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:46:44,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-11-17 03:46:44,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2024-11-17 03:46:44,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 132 states have (on average 1.0454545454545454) internal successors, (138), 135 states have internal predecessors, (138), 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) [2024-11-17 03:46:44,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 138 transitions. [2024-11-17 03:46:44,030 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 138 transitions. Word has length 63 [2024-11-17 03:46:44,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:46:44,031 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 138 transitions. [2024-11-17 03:46:44,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.8) internal successors, (120), 25 states have internal predecessors, (120), 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) [2024-11-17 03:46:44,031 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 138 transitions. [2024-11-17 03:46:44,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-17 03:46:44,034 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:46:44,034 INFO L215 NwaCegarLoop]: trace histogram [23, 22, 22, 22, 22, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:46:44,051 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 03:46:44,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:46:44,239 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:46:44,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:46:44,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1930306535, now seen corresponding path program 3 times [2024-11-17 03:46:44,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:46:44,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514377463] [2024-11-17 03:46:44,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:46:44,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:46:44,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:46:44,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1202 backedges. 0 proven. 1199 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 03:46:44,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:46:44,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514377463] [2024-11-17 03:46:44,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514377463] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:46:44,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1462288995] [2024-11-17 03:46:44,973 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 03:46:44,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:46:44,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:46:44,978 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) [2024-11-17 03:46:44,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 03:46:45,052 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-17 03:46:45,053 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:46:45,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 03:46:45,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:46:45,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1202 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1199 trivial. 0 not checked. [2024-11-17 03:46:45,125 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:46:45,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1462288995] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:46:45,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 03:46:45,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [25] total 28 [2024-11-17 03:46:45,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904195497] [2024-11-17 03:46:45,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:46:45,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 03:46:45,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:46:45,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 03:46:45,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=308, Invalid=448, Unknown=0, NotChecked=0, Total=756 [2024-11-17 03:46:45,128 INFO L87 Difference]: Start difference. First operand 136 states and 138 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 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) [2024-11-17 03:46:45,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:46:45,156 INFO L93 Difference]: Finished difference Result 136 states and 138 transitions. [2024-11-17 03:46:45,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:46:45,157 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 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 123 [2024-11-17 03:46:45,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:46:45,161 INFO L225 Difference]: With dead ends: 136 [2024-11-17 03:46:45,161 INFO L226 Difference]: Without dead ends: 135 [2024-11-17 03:46:45,161 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=308, Invalid=448, Unknown=0, NotChecked=0, Total=756 [2024-11-17 03:46:45,162 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 6 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:46:45,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 40 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:46:45,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-17 03:46:45,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2024-11-17 03:46:45,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 132 states have (on average 1.0378787878787878) internal successors, (137), 134 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) [2024-11-17 03:46:45,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 137 transitions. [2024-11-17 03:46:45,178 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 137 transitions. Word has length 123 [2024-11-17 03:46:45,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:46:45,178 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 137 transitions. [2024-11-17 03:46:45,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 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) [2024-11-17 03:46:45,179 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 137 transitions. [2024-11-17 03:46:45,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-17 03:46:45,180 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:46:45,180 INFO L215 NwaCegarLoop]: trace histogram [23, 22, 22, 22, 22, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:46:45,204 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-17 03:46:45,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:46:45,385 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:46:45,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:46:45,386 INFO L85 PathProgramCache]: Analyzing trace with hash -290039565, now seen corresponding path program 1 times [2024-11-17 03:46:45,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:46:45,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284290474] [2024-11-17 03:46:45,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:46:45,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:46:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:46:45,480 INFO L134 CoverageAnalysis]: Checked inductivity of 1203 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1201 trivial. 0 not checked. [2024-11-17 03:46:45,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:46:45,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284290474] [2024-11-17 03:46:45,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284290474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:46:45,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:46:45,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:46:45,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157765751] [2024-11-17 03:46:45,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:46:45,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:46:45,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:46:45,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:46:45,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:46:45,483 INFO L87 Difference]: Start difference. First operand 135 states and 137 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2024-11-17 03:46:45,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:46:45,492 INFO L93 Difference]: Finished difference Result 135 states and 137 transitions. [2024-11-17 03:46:45,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:46:45,493 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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 124 [2024-11-17 03:46:45,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:46:45,494 INFO L225 Difference]: With dead ends: 135 [2024-11-17 03:46:45,494 INFO L226 Difference]: Without dead ends: 134 [2024-11-17 03:46:45,494 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 [2024-11-17 03:46:45,495 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 1 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 42 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 [2024-11-17 03:46:45,495 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 42 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:46:45,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-11-17 03:46:45,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 132. [2024-11-17 03:46:45,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 130 states have (on average 1.0307692307692307) internal successors, (134), 131 states have internal predecessors, (134), 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) [2024-11-17 03:46:45,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 134 transitions. [2024-11-17 03:46:45,503 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 134 transitions. Word has length 124 [2024-11-17 03:46:45,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:46:45,504 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 134 transitions. [2024-11-17 03:46:45,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2024-11-17 03:46:45,504 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 134 transitions. [2024-11-17 03:46:45,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-17 03:46:45,505 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:46:45,505 INFO L215 NwaCegarLoop]: trace histogram [23, 22, 22, 22, 22, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:46:45,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-17 03:46:45,506 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:46:45,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:46:45,506 INFO L85 PathProgramCache]: Analyzing trace with hash 407713131, now seen corresponding path program 1 times [2024-11-17 03:46:45,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:46:45,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572105479] [2024-11-17 03:46:45,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:46:45,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:46:45,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:46:45,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1201 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1199 trivial. 0 not checked. [2024-11-17 03:46:45,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:46:45,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572105479] [2024-11-17 03:46:45,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572105479] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:46:45,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560553020] [2024-11-17 03:46:45,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:46:45,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:46:45,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:46:45,684 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) [2024-11-17 03:46:45,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 03:46:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:46:45,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-17 03:46:45,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:46:46,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1201 backedges. 0 proven. 1199 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 03:46:46,237 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:46:47,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1201 backedges. 0 proven. 1199 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 03:46:47,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560553020] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:46:47,179 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:46:47,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 25, 25] total 50 [2024-11-17 03:46:47,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294243092] [2024-11-17 03:46:47,180 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:46:47,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-11-17 03:46:47,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:46:47,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-11-17 03:46:47,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1178, Invalid=1272, Unknown=0, NotChecked=0, Total=2450 [2024-11-17 03:46:47,183 INFO L87 Difference]: Start difference. First operand 132 states and 134 transitions. Second operand has 50 states, 50 states have (on average 5.1) internal successors, (255), 50 states have internal predecessors, (255), 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) [2024-11-17 03:46:47,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:46:47,452 INFO L93 Difference]: Finished difference Result 275 states and 303 transitions. [2024-11-17 03:46:47,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-17 03:46:47,452 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 5.1) internal successors, (255), 50 states have internal predecessors, (255), 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 [2024-11-17 03:46:47,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:46:47,454 INFO L225 Difference]: With dead ends: 275 [2024-11-17 03:46:47,454 INFO L226 Difference]: Without dead ends: 257 [2024-11-17 03:46:47,455 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1178, Invalid=1272, Unknown=0, NotChecked=0, Total=2450 [2024-11-17 03:46:47,456 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 10 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 03:46:47,456 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 152 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 03:46:47,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-11-17 03:46:47,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 257. [2024-11-17 03:46:47,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 255 states have (on average 1.0156862745098039) internal successors, (259), 256 states have internal predecessors, (259), 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) [2024-11-17 03:46:47,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 259 transitions. [2024-11-17 03:46:47,479 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 259 transitions. Word has length 128 [2024-11-17 03:46:47,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:46:47,480 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 259 transitions. [2024-11-17 03:46:47,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 5.1) internal successors, (255), 50 states have internal predecessors, (255), 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) [2024-11-17 03:46:47,480 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 259 transitions. [2024-11-17 03:46:47,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2024-11-17 03:46:47,487 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:46:47,487 INFO L215 NwaCegarLoop]: trace histogram [47, 46, 46, 46, 46, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:46:47,508 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-17 03:46:47,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:46:47,689 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:46:47,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:46:47,690 INFO L85 PathProgramCache]: Analyzing trace with hash -2099804709, now seen corresponding path program 2 times [2024-11-17 03:46:47,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:46:47,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603954572] [2024-11-17 03:46:47,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:46:47,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:46:47,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:46:47,905 INFO L134 CoverageAnalysis]: Checked inductivity of 5276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5276 trivial. 0 not checked. [2024-11-17 03:46:47,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:46:47,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603954572] [2024-11-17 03:46:47,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603954572] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:46:47,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:46:47,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:46:47,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343521978] [2024-11-17 03:46:47,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:46:47,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:46:47,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:46:47,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:46:47,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:46:47,908 INFO L87 Difference]: Start difference. First operand 257 states and 259 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-11-17 03:46:47,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:46:47,934 INFO L93 Difference]: Finished difference Result 266 states and 268 transitions. [2024-11-17 03:46:47,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:46:47,934 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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 253 [2024-11-17 03:46:47,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:46:47,936 INFO L225 Difference]: With dead ends: 266 [2024-11-17 03:46:47,936 INFO L226 Difference]: Without dead ends: 264 [2024-11-17 03:46:47,937 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 [2024-11-17 03:46:47,937 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 2 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:46:47,937 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 55 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:46:47,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-11-17 03:46:47,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 263. [2024-11-17 03:46:47,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 261 states have (on average 1.0153256704980842) internal successors, (265), 262 states have internal predecessors, (265), 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) [2024-11-17 03:46:47,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 265 transitions. [2024-11-17 03:46:47,951 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 265 transitions. Word has length 253 [2024-11-17 03:46:47,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:46:47,952 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 265 transitions. [2024-11-17 03:46:47,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-11-17 03:46:47,952 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 265 transitions. [2024-11-17 03:46:47,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-11-17 03:46:47,956 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:46:47,956 INFO L215 NwaCegarLoop]: trace histogram [47, 46, 46, 46, 46, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:46:47,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-17 03:46:47,956 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:46:47,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:46:47,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1875791414, now seen corresponding path program 1 times [2024-11-17 03:46:47,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:46:47,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827228643] [2024-11-17 03:46:47,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:46:47,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:46:48,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:46:50,215 INFO L134 CoverageAnalysis]: Checked inductivity of 5281 backedges. 0 proven. 5267 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-17 03:46:50,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:46:50,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827228643] [2024-11-17 03:46:50,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827228643] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:46:50,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824539635] [2024-11-17 03:46:50,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:46:50,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:46:50,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:46:50,218 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) [2024-11-17 03:46:50,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 03:46:50,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:46:50,385 INFO L255 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-17 03:46:50,391 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:46:50,694 INFO L134 CoverageAnalysis]: Checked inductivity of 5281 backedges. 0 proven. 5267 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-17 03:46:50,694 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:46:53,705 INFO L134 CoverageAnalysis]: Checked inductivity of 5281 backedges. 0 proven. 5267 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-17 03:46:53,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [824539635] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:46:53,705 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:46:53,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 97 [2024-11-17 03:46:53,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658645701] [2024-11-17 03:46:53,706 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:46:53,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2024-11-17 03:46:53,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:46:53,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2024-11-17 03:46:53,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4656, Invalid=4656, Unknown=0, NotChecked=0, Total=9312 [2024-11-17 03:46:53,715 INFO L87 Difference]: Start difference. First operand 263 states and 265 transitions. Second operand has 97 states, 97 states have (on average 5.041237113402062) internal successors, (489), 97 states have internal predecessors, (489), 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) [2024-11-17 03:46:54,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:46:54,290 INFO L93 Difference]: Finished difference Result 532 states and 583 transitions. [2024-11-17 03:46:54,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-11-17 03:46:54,291 INFO L78 Accepts]: Start accepts. Automaton has has 97 states, 97 states have (on average 5.041237113402062) internal successors, (489), 97 states have internal predecessors, (489), 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 260 [2024-11-17 03:46:54,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:46:54,294 INFO L225 Difference]: With dead ends: 532 [2024-11-17 03:46:54,295 INFO L226 Difference]: Without dead ends: 503 [2024-11-17 03:46:54,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 567 GetRequests, 472 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=4656, Invalid=4656, Unknown=0, NotChecked=0, Total=9312 [2024-11-17 03:46:54,299 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 11 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 03:46:54,299 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 240 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 03:46:54,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2024-11-17 03:46:54,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 503. [2024-11-17 03:46:54,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 501 states have (on average 1.0079840319361277) internal successors, (505), 502 states have internal predecessors, (505), 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) [2024-11-17 03:46:54,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 505 transitions. [2024-11-17 03:46:54,314 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 505 transitions. Word has length 260 [2024-11-17 03:46:54,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:46:54,314 INFO L471 AbstractCegarLoop]: Abstraction has 503 states and 505 transitions. [2024-11-17 03:46:54,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 5.041237113402062) internal successors, (489), 97 states have internal predecessors, (489), 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) [2024-11-17 03:46:54,315 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 505 transitions. [2024-11-17 03:46:54,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2024-11-17 03:46:54,321 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:46:54,321 INFO L215 NwaCegarLoop]: trace histogram [95, 94, 94, 94, 94, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:46:54,340 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-17 03:46:54,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:46:54,526 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:46:54,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:46:54,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1368528842, now seen corresponding path program 2 times [2024-11-17 03:46:54,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:46:54,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987510591] [2024-11-17 03:46:54,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:46:54,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:46:54,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:47:01,485 INFO L134 CoverageAnalysis]: Checked inductivity of 22057 backedges. 0 proven. 22043 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-17 03:47:01,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:47:01,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987510591] [2024-11-17 03:47:01,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987510591] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:47:01,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710964524] [2024-11-17 03:47:01,485 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 03:47:01,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:47:01,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:47:01,487 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) [2024-11-17 03:47:01,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 03:47:01,731 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 03:47:01,731 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:47:01,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 1040 conjuncts, 96 conjuncts are in the unsatisfiable core [2024-11-17 03:47:01,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:47:02,302 INFO L134 CoverageAnalysis]: Checked inductivity of 22057 backedges. 0 proven. 22043 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-17 03:47:02,302 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:47:11,645 INFO L134 CoverageAnalysis]: Checked inductivity of 22057 backedges. 0 proven. 22043 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-17 03:47:11,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710964524] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:47:11,646 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:47:11,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [97, 97, 97] total 193 [2024-11-17 03:47:11,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946660789] [2024-11-17 03:47:11,646 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:47:11,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 193 states [2024-11-17 03:47:11,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:47:11,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 193 interpolants. [2024-11-17 03:47:11,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18528, Invalid=18528, Unknown=0, NotChecked=0, Total=37056 [2024-11-17 03:47:11,659 INFO L87 Difference]: Start difference. First operand 503 states and 505 transitions. Second operand has 193 states, 193 states have (on average 5.020725388601036) internal successors, (969), 193 states have internal predecessors, (969), 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) [2024-11-17 03:47:13,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:47:13,250 INFO L93 Difference]: Finished difference Result 1012 states and 1111 transitions. [2024-11-17 03:47:13,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2024-11-17 03:47:13,251 INFO L78 Accepts]: Start accepts. Automaton has has 193 states, 193 states have (on average 5.020725388601036) internal successors, (969), 193 states have internal predecessors, (969), 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 500 [2024-11-17 03:47:13,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:47:13,255 INFO L225 Difference]: With dead ends: 1012 [2024-11-17 03:47:13,255 INFO L226 Difference]: Without dead ends: 983 [2024-11-17 03:47:13,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1095 GetRequests, 904 SyntacticMatches, 0 SemanticMatches, 191 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 376 ImplicationChecksByTransitivity, 12.0s TimeCoverageRelationStatistics Valid=18528, Invalid=18528, Unknown=0, NotChecked=0, Total=37056 [2024-11-17 03:47:13,258 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 10 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 790 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 03:47:13,258 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 295 Invalid, 796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 790 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 03:47:13,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 983 states. [2024-11-17 03:47:13,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 983 to 983. [2024-11-17 03:47:13,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 983 states, 981 states have (on average 1.0040774719673802) internal successors, (985), 982 states have internal predecessors, (985), 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) [2024-11-17 03:47:13,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 983 states and 985 transitions. [2024-11-17 03:47:13,284 INFO L78 Accepts]: Start accepts. Automaton has 983 states and 985 transitions. Word has length 500 [2024-11-17 03:47:13,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:47:13,285 INFO L471 AbstractCegarLoop]: Abstraction has 983 states and 985 transitions. [2024-11-17 03:47:13,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 193 states, 193 states have (on average 5.020725388601036) internal successors, (969), 193 states have internal predecessors, (969), 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) [2024-11-17 03:47:13,286 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 985 transitions. [2024-11-17 03:47:13,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 981 [2024-11-17 03:47:13,312 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:47:13,313 INFO L215 NwaCegarLoop]: trace histogram [191, 190, 190, 190, 190, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:47:13,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-17 03:47:13,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-17 03:47:13,517 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:47:13,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:47:13,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1589044170, now seen corresponding path program 3 times [2024-11-17 03:47:13,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:47:13,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859686263] [2024-11-17 03:47:13,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:47:13,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:47:13,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:47:38,051 INFO L134 CoverageAnalysis]: Checked inductivity of 90169 backedges. 0 proven. 90155 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-17 03:47:38,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:47:38,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859686263] [2024-11-17 03:47:38,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859686263] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:47:38,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1494780644] [2024-11-17 03:47:38,052 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 03:47:38,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:47:38,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:47:38,054 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) [2024-11-17 03:47:38,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-17 03:47:38,283 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-17 03:47:38,283 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:47:38,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 03:47:38,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:47:38,565 INFO L134 CoverageAnalysis]: Checked inductivity of 90169 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 90164 trivial. 0 not checked. [2024-11-17 03:47:38,566 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:47:38,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1494780644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:47:38,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 03:47:38,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [193] total 196 [2024-11-17 03:47:38,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011025453] [2024-11-17 03:47:38,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:47:38,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 03:47:38,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:47:38,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 03:47:38,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18535, Invalid=19685, Unknown=0, NotChecked=0, Total=38220 [2024-11-17 03:47:38,574 INFO L87 Difference]: Start difference. First operand 983 states and 985 transitions. Second operand has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 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) [2024-11-17 03:47:38,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:47:38,604 INFO L93 Difference]: Finished difference Result 983 states and 985 transitions. [2024-11-17 03:47:38,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:47:38,604 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 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 980 [2024-11-17 03:47:38,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:47:38,609 INFO L225 Difference]: With dead ends: 983 [2024-11-17 03:47:38,609 INFO L226 Difference]: Without dead ends: 982 [2024-11-17 03:47:38,615 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1172 GetRequests, 978 SyntacticMatches, 0 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 570 ImplicationChecksByTransitivity, 12.0s TimeCoverageRelationStatistics Valid=18535, Invalid=19685, Unknown=0, NotChecked=0, Total=38220 [2024-11-17 03:47:38,616 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 2 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:47:38,616 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 66 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:47:38,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states. [2024-11-17 03:47:38,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 982. [2024-11-17 03:47:38,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 982 states, 981 states have (on average 1.003058103975535) internal successors, (984), 981 states have internal predecessors, (984), 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) [2024-11-17 03:47:38,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 982 states and 984 transitions. [2024-11-17 03:47:38,639 INFO L78 Accepts]: Start accepts. Automaton has 982 states and 984 transitions. Word has length 980 [2024-11-17 03:47:38,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:47:38,640 INFO L471 AbstractCegarLoop]: Abstraction has 982 states and 984 transitions. [2024-11-17 03:47:38,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 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) [2024-11-17 03:47:38,641 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 984 transitions. [2024-11-17 03:47:38,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 982 [2024-11-17 03:47:38,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:47:38,648 INFO L215 NwaCegarLoop]: trace histogram [191, 190, 190, 190, 190, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:47:38,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-17 03:47:38,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-17 03:47:38,849 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:47:38,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:47:38,850 INFO L85 PathProgramCache]: Analyzing trace with hash -2015729039, now seen corresponding path program 1 times [2024-11-17 03:47:38,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:47:38,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981720515] [2024-11-17 03:47:38,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:47:38,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:47:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:47:39,237 INFO L134 CoverageAnalysis]: Checked inductivity of 90170 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 90166 trivial. 0 not checked. [2024-11-17 03:47:39,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:47:39,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981720515] [2024-11-17 03:47:39,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981720515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:47:39,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:47:39,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:47:39,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015050929] [2024-11-17 03:47:39,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:47:39,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:47:39,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:47:39,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:47:39,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:47:39,241 INFO L87 Difference]: Start difference. First operand 982 states and 984 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 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) [2024-11-17 03:47:39,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:47:39,265 INFO L93 Difference]: Finished difference Result 982 states and 984 transitions. [2024-11-17 03:47:39,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:47:39,265 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 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 981 [2024-11-17 03:47:39,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:47:39,267 INFO L225 Difference]: With dead ends: 982 [2024-11-17 03:47:39,267 INFO L226 Difference]: Without dead ends: 0 [2024-11-17 03:47:39,272 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 [2024-11-17 03:47:39,273 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 2 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:47:39,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 50 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:47:39,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-17 03:47:39,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-17 03:47:39,274 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) [2024-11-17 03:47:39,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-17 03:47:39,275 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 981 [2024-11-17 03:47:39,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:47:39,275 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 03:47:39,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 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) [2024-11-17 03:47:39,275 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-17 03:47:39,275 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-17 03:47:39,278 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-11-17 03:47:39,278 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-11-17 03:47:39,278 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-11-17 03:47:39,278 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-11-17 03:47:39,279 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-11-17 03:47:39,279 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-11-17 03:47:39,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-17 03:47:39,282 INFO L407 BasicCegarLoop]: Path program histogram: [3, 3, 2, 2, 1, 1, 1, 1, 1] [2024-11-17 03:47:39,284 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-17 03:47:40,251 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 03:47:40,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 03:47:40 BoogieIcfgContainer [2024-11-17 03:47:40,262 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 03:47:40,263 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 03:47:40,263 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 03:47:40,263 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 03:47:40,264 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:46:40" (3/4) ... [2024-11-17 03:47:40,265 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-17 03:47:40,272 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-11-17 03:47:40,272 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-17 03:47:40,272 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-17 03:47:40,272 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-17 03:47:40,354 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 03:47:40,356 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-17 03:47:40,357 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 03:47:40,357 INFO L158 Benchmark]: Toolchain (without parser) took 60493.36ms. Allocated memory was 188.7MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 119.9MB in the beginning and 983.6MB in the end (delta: -863.7MB). Peak memory consumption was 720.6MB. Max. memory is 16.1GB. [2024-11-17 03:47:40,357 INFO L158 Benchmark]: CDTParser took 1.01ms. Allocated memory is still 104.9MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 03:47:40,358 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.94ms. Allocated memory is still 188.7MB. Free memory was 119.7MB in the beginning and 107.4MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-17 03:47:40,358 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.42ms. Allocated memory is still 188.7MB. Free memory was 107.4MB in the beginning and 161.6MB in the end (delta: -54.2MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2024-11-17 03:47:40,358 INFO L158 Benchmark]: Boogie Preprocessor took 80.26ms. Allocated memory is still 188.7MB. Free memory was 161.6MB in the beginning and 159.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 03:47:40,358 INFO L158 Benchmark]: IcfgBuilder took 375.27ms. Allocated memory is still 188.7MB. Free memory was 159.5MB in the beginning and 147.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-17 03:47:40,359 INFO L158 Benchmark]: TraceAbstraction took 59603.85ms. Allocated memory was 188.7MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 146.2MB in the beginning and 988.4MB in the end (delta: -842.2MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-17 03:47:40,359 INFO L158 Benchmark]: Witness Printer took 93.96ms. Allocated memory is still 1.8GB. Free memory was 988.4MB in the beginning and 983.6MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 03:47:40,360 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.01ms. Allocated memory is still 104.9MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.94ms. Allocated memory is still 188.7MB. Free memory was 119.7MB in the beginning and 107.4MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.42ms. Allocated memory is still 188.7MB. Free memory was 107.4MB in the beginning and 161.6MB in the end (delta: -54.2MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.26ms. Allocated memory is still 188.7MB. Free memory was 161.6MB in the beginning and 159.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 375.27ms. Allocated memory is still 188.7MB. Free memory was 159.5MB in the beginning and 147.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 59603.85ms. Allocated memory was 188.7MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 146.2MB in the beginning and 988.4MB in the end (delta: -842.2MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * Witness Printer took 93.96ms. Allocated memory is still 1.8GB. Free memory was 988.4MB in the beginning and 983.6MB in the end (delta: 4.8MB). 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: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: 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, 34 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 58.6s, OverallIterations: 15, TraceHistogramMax: 191, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 86 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 86 mSDsluCounter, 1337 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1028 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1783 IncrementalHoareTripleChecker+Invalid, 1829 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 309 mSDtfsCounter, 1783 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3503 GetRequests, 2898 SyntacticMatches, 0 SemanticMatches, 605 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1344 ImplicationChecksByTransitivity, 29.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=983occurred in iteration=13, InterpolantAutomatonStates: 412, 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, 15 MinimizatonAttempts, 8 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 51.0s InterpolantComputationTime, 5622 NumberOfCodeBlocks, 4567 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 6589 ConstructedInterpolants, 0 QuantifiedInterpolants, 14007 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2461 ConjunctsInSsa, 200 ConjunctsInUnsatCore, 30 InterpolantComputations, 9 PerfectInterpolantSequences, 189387/365929 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 22]: Location Invariant Derived location invariant: null - InvariantResult [Line: 18]: Location Invariant Derived location invariant: null - InvariantResult [Line: 26]: Location Invariant Derived location invariant: null RESULT: Ultimate proved your program to be correct! [2024-11-17 03:47:40,390 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE