./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-examples/standard_init1_ground-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-examples/standard_init1_ground-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6f1eb5be2ecf3162a40e750dd6eacae17adaae5e4023d9d8d8174c2bd15bfaf3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:28:10,126 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:28:10,195 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 18:28:10,201 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:28:10,202 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:28:10,226 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:28:10,227 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:28:10,227 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:28:10,228 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:28:10,228 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:28:10,229 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:28:10,229 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:28:10,230 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:28:10,230 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:28:10,232 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:28:10,233 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:28:10,233 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 18:28:10,233 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:28:10,233 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:28:10,234 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:28:10,234 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:28:10,234 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 18:28:10,235 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:28:10,235 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 18:28:10,235 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:28:10,235 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 18:28:10,236 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:28:10,239 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:28:10,239 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 18:28:10,240 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:28:10,240 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:28:10,240 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:28:10,240 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:28:10,240 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:28:10,240 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:28:10,241 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:28:10,241 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:28:10,241 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 18:28:10,241 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:28:10,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:28:10,241 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:28:10,242 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:28:10,242 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:28:10,242 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:28:10,242 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f1eb5be2ecf3162a40e750dd6eacae17adaae5e4023d9d8d8174c2bd15bfaf3 [2024-11-10 18:28:10,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:28:10,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:28:10,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:28:10,472 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:28:10,473 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:28:10,474 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-examples/standard_init1_ground-1.i [2024-11-10 18:28:11,777 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:28:11,928 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:28:11,930 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_init1_ground-1.i [2024-11-10 18:28:11,936 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f60d60b66/911b194a23454cda967f7a76561a3def/FLAGd68cbe1ad [2024-11-10 18:28:12,341 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f60d60b66/911b194a23454cda967f7a76561a3def [2024-11-10 18:28:12,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:28:12,344 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:28:12,345 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:28:12,345 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:28:12,349 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:28:12,350 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:28:12" (1/1) ... [2024-11-10 18:28:12,350 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fd4839d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:12, skipping insertion in model container [2024-11-10 18:28:12,351 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:28:12" (1/1) ... [2024-11-10 18:28:12,369 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:28:12,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:28:12,576 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:28:12,591 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:28:12,607 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:28:12,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:12 WrapperNode [2024-11-10 18:28:12,608 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:28:12,609 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:28:12,609 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:28:12,609 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:28:12,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:12" (1/1) ... [2024-11-10 18:28:12,620 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:12" (1/1) ... [2024-11-10 18:28:12,635 INFO L138 Inliner]: procedures = 15, calls = 13, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2024-11-10 18:28:12,635 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:28:12,636 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:28:12,636 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:28:12,636 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:28:12,645 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:12" (1/1) ... [2024-11-10 18:28:12,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:12" (1/1) ... [2024-11-10 18:28:12,647 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:12" (1/1) ... [2024-11-10 18:28:12,659 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2024-11-10 18:28:12,659 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:12" (1/1) ... [2024-11-10 18:28:12,660 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:12" (1/1) ... [2024-11-10 18:28:12,664 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:12" (1/1) ... [2024-11-10 18:28:12,667 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:12" (1/1) ... [2024-11-10 18:28:12,668 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:12" (1/1) ... [2024-11-10 18:28:12,668 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:12" (1/1) ... [2024-11-10 18:28:12,670 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:28:12,670 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:28:12,670 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:28:12,671 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:28:12,671 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:12" (1/1) ... [2024-11-10 18:28:12,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:28:12,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:28:12,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 18:28:12,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 18:28:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 18:28:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 18:28:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 18:28:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 18:28:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 18:28:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 18:28:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:28:12,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:28:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 18:28:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 18:28:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 18:28:12,809 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:28:12,811 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:28:12,897 INFO L1247 $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; [2024-11-10 18:28:12,903 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-10 18:28:12,903 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:28:12,914 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:28:12,916 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:28:12,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:28:12 BoogieIcfgContainer [2024-11-10 18:28:12,918 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:28:12,920 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:28:12,920 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:28:12,923 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:28:12,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:28:12" (1/3) ... [2024-11-10 18:28:12,924 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dadb11d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:28:12, skipping insertion in model container [2024-11-10 18:28:12,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:12" (2/3) ... [2024-11-10 18:28:12,925 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dadb11d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:28:12, skipping insertion in model container [2024-11-10 18:28:12,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:28:12" (3/3) ... [2024-11-10 18:28:12,926 INFO L112 eAbstractionObserver]: Analyzing ICFG standard_init1_ground-1.i [2024-11-10 18:28:12,944 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:28:12,945 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-10 18:28:12,986 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:28:12,992 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;@65219037, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:28:12,992 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-10 18:28:12,995 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 25 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) [2024-11-10 18:28:13,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-10 18:28:13,000 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:28:13,001 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-10 18:28:13,001 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-10 18:28:13,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:28:13,008 INFO L85 PathProgramCache]: Analyzing trace with hash 61997020, now seen corresponding path program 1 times [2024-11-10 18:28:13,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:28:13,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603071092] [2024-11-10 18:28:13,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:13,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:28:13,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:13,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:28:13,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:28:13,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603071092] [2024-11-10 18:28:13,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603071092] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:28:13,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:28:13,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:28:13,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76364922] [2024-11-10 18:28:13,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:28:13,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:28:13,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:28:13,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:28:13,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:28:13,262 INFO L87 Difference]: Start difference. First operand has 26 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 25 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) 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) [2024-11-10 18:28:13,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:28:13,309 INFO L93 Difference]: Finished difference Result 49 states and 59 transitions. [2024-11-10 18:28:13,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:28:13,311 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 [2024-11-10 18:28:13,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:28:13,317 INFO L225 Difference]: With dead ends: 49 [2024-11-10 18:28:13,317 INFO L226 Difference]: Without dead ends: 24 [2024-11-10 18:28:13,319 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:28:13,324 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 2 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:28:13,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 39 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:28:13,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-11-10 18:28:13,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2024-11-10 18:28:13,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 19 states have (on average 1.263157894736842) internal successors, (24), 22 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:13,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2024-11-10 18:28:13,361 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 5 [2024-11-10 18:28:13,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:28:13,361 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2024-11-10 18:28:13,362 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) [2024-11-10 18:28:13,363 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2024-11-10 18:28:13,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-10 18:28:13,363 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:28:13,363 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-11-10 18:28:13,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:28:13,364 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-10 18:28:13,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:28:13,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1036506530, now seen corresponding path program 1 times [2024-11-10 18:28:13,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:28:13,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496456782] [2024-11-10 18:28:13,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:13,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:28:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:13,474 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:28:13,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:28:13,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496456782] [2024-11-10 18:28:13,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496456782] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:28:13,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515443819] [2024-11-10 18:28:13,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:13,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:28:13,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:28:13,477 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:28:13,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 18:28:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:13,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:28:13,535 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:28:13,589 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:28:13,589 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:28:13,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1515443819] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:28:13,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:28:13,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-10 18:28:13,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882530458] [2024-11-10 18:28:13,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:28:13,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:28:13,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:28:13,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:28:13,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:28:13,592 INFO L87 Difference]: Start difference. First operand 23 states and 24 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) [2024-11-10 18:28:13,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:28:13,622 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2024-11-10 18:28:13,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:28:13,623 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 [2024-11-10 18:28:13,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:28:13,624 INFO L225 Difference]: With dead ends: 24 [2024-11-10 18:28:13,624 INFO L226 Difference]: Without dead ends: 23 [2024-11-10 18:28:13,624 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 [2024-11-10 18:28:13,625 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 2 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:28:13,625 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 37 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:28:13,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-11-10 18:28:13,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2024-11-10 18:28:13,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:13,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2024-11-10 18:28:13,632 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 10 [2024-11-10 18:28:13,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:28:13,632 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2024-11-10 18:28:13,632 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) [2024-11-10 18:28:13,632 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2024-11-10 18:28:13,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-10 18:28:13,633 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:28:13,633 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2024-11-10 18:28:13,667 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 18:28:13,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:28:13,835 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-10 18:28:13,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:28:13,837 INFO L85 PathProgramCache]: Analyzing trace with hash 2066931352, now seen corresponding path program 1 times [2024-11-10 18:28:13,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:28:13,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843037614] [2024-11-10 18:28:13,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:13,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:28:13,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:13,900 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 18:28:13,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:28:13,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843037614] [2024-11-10 18:28:13,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843037614] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:28:13,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:28:13,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:28:13,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731401612] [2024-11-10 18:28:13,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:28:13,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:28:13,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:28:13,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:28:13,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:28:13,906 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:13,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:28:13,921 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2024-11-10 18:28:13,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:28:13,921 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-10 18:28:13,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:28:13,922 INFO L225 Difference]: With dead ends: 22 [2024-11-10 18:28:13,922 INFO L226 Difference]: Without dead ends: 21 [2024-11-10 18:28:13,923 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:28:13,924 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 2 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:28:13,925 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 26 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:28:13,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-11-10 18:28:13,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 19. [2024-11-10 18:28:13,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:13,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2024-11-10 18:28:13,929 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 11 [2024-11-10 18:28:13,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:28:13,931 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2024-11-10 18:28:13,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:13,931 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2024-11-10 18:28:13,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-10 18:28:13,932 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:28:13,932 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:28:13,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 18:28:13,933 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-10 18:28:13,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:28:13,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1645502608, now seen corresponding path program 1 times [2024-11-10 18:28:13,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:28:13,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20304944] [2024-11-10 18:28:13,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:13,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:28:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:14,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:28:14,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:28:14,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20304944] [2024-11-10 18:28:14,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20304944] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:28:14,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696291045] [2024-11-10 18:28:14,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:14,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:28:14,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:28:14,020 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:28:14,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 18:28:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:14,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:28:14,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:28:14,096 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:28:14,097 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:28:14,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:28:14,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696291045] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:28:14,133 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:28:14,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-10 18:28:14,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146351534] [2024-11-10 18:28:14,134 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:28:14,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 18:28:14,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:28:14,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 18:28:14,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:28:14,135 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:14,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:28:14,167 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2024-11-10 18:28:14,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:28:14,168 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-10 18:28:14,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:28:14,168 INFO L225 Difference]: With dead ends: 44 [2024-11-10 18:28:14,169 INFO L226 Difference]: Without dead ends: 34 [2024-11-10 18:28:14,169 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:28:14,171 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 6 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:28:14,171 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 40 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:28:14,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-10 18:28:14,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-11-10 18:28:14,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 32 states have (on average 1.09375) internal successors, (35), 33 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:14,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2024-11-10 18:28:14,176 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 15 [2024-11-10 18:28:14,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:28:14,177 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2024-11-10 18:28:14,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:14,177 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2024-11-10 18:28:14,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-10 18:28:14,177 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:28:14,178 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:28:14,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-10 18:28:14,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-10 18:28:14,379 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-10 18:28:14,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:28:14,379 INFO L85 PathProgramCache]: Analyzing trace with hash 627348246, now seen corresponding path program 2 times [2024-11-10 18:28:14,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:28:14,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266244666] [2024-11-10 18:28:14,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:14,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:28:14,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:14,475 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-10 18:28:14,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:28:14,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266244666] [2024-11-10 18:28:14,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266244666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:28:14,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:28:14,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:28:14,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343949896] [2024-11-10 18:28:14,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:28:14,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:28:14,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:28:14,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:28:14,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:28:14,478 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:14,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:28:14,498 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2024-11-10 18:28:14,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:28:14,498 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2024-11-10 18:28:14,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:28:14,499 INFO L225 Difference]: With dead ends: 43 [2024-11-10 18:28:14,499 INFO L226 Difference]: Without dead ends: 41 [2024-11-10 18:28:14,499 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:28:14,500 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 2 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 34 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 [2024-11-10 18:28:14,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 34 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:28:14,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-11-10 18:28:14,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2024-11-10 18:28:14,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 38 states have (on average 1.0789473684210527) internal successors, (41), 39 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) [2024-11-10 18:28:14,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 41 transitions. [2024-11-10 18:28:14,504 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 41 transitions. Word has length 30 [2024-11-10 18:28:14,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:28:14,504 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 41 transitions. [2024-11-10 18:28:14,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:14,505 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2024-11-10 18:28:14,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-10 18:28:14,506 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:28:14,507 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:28:14,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 18:28:14,508 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-10 18:28:14,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:28:14,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1530005349, now seen corresponding path program 1 times [2024-11-10 18:28:14,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:28:14,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579735688] [2024-11-10 18:28:14,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:14,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:28:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:14,615 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-10 18:28:14,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:28:14,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579735688] [2024-11-10 18:28:14,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579735688] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:28:14,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [686453764] [2024-11-10 18:28:14,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:14,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:28:14,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:28:14,618 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:28:14,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 18:28:14,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:14,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 18:28:14,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:28:14,699 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-10 18:28:14,700 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:28:14,776 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-10 18:28:14,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [686453764] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:28:14,777 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:28:14,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-10 18:28:14,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683815430] [2024-11-10 18:28:14,777 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:28:14,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 18:28:14,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:28:14,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 18:28:14,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-10 18:28:14,779 INFO L87 Difference]: Start difference. First operand 40 states and 41 transitions. Second operand has 13 states, 13 states have (on average 4.769230769230769) internal successors, (62), 13 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:14,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:28:14,837 INFO L93 Difference]: Finished difference Result 86 states and 93 transitions. [2024-11-10 18:28:14,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 18:28:14,837 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.769230769230769) internal successors, (62), 13 states have internal predecessors, (62), 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 37 [2024-11-10 18:28:14,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:28:14,839 INFO L225 Difference]: With dead ends: 86 [2024-11-10 18:28:14,839 INFO L226 Difference]: Without dead ends: 70 [2024-11-10 18:28:14,840 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-10 18:28:14,841 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 6 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:28:14,842 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 57 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:28:14,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-11-10 18:28:14,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2024-11-10 18:28:14,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 68 states have (on average 1.0441176470588236) internal successors, (71), 69 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:14,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 71 transitions. [2024-11-10 18:28:14,851 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 71 transitions. Word has length 37 [2024-11-10 18:28:14,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:28:14,851 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 71 transitions. [2024-11-10 18:28:14,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.769230769230769) internal successors, (62), 13 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:14,852 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 71 transitions. [2024-11-10 18:28:14,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-10 18:28:14,853 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:28:14,853 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:28:14,867 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 18:28:15,053 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 [2024-11-10 18:28:15,054 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-10 18:28:15,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:28:15,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1266160677, now seen corresponding path program 2 times [2024-11-10 18:28:15,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:28:15,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398819101] [2024-11-10 18:28:15,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:15,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:28:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:15,309 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-10 18:28:15,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:28:15,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398819101] [2024-11-10 18:28:15,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398819101] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:28:15,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018791072] [2024-11-10 18:28:15,310 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:28:15,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:28:15,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:28:15,312 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:28:15,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 18:28:15,375 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:28:15,375 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:28:15,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 18:28:15,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:28:15,460 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-10 18:28:15,461 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:28:15,700 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-10 18:28:15,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2018791072] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:28:15,700 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:28:15,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2024-11-10 18:28:15,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152593124] [2024-11-10 18:28:15,701 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:28:15,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-10 18:28:15,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:28:15,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-10 18:28:15,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2024-11-10 18:28:15,703 INFO L87 Difference]: Start difference. First operand 70 states and 71 transitions. Second operand has 25 states, 25 states have (on average 4.88) internal successors, (122), 25 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:15,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:28:15,835 INFO L93 Difference]: Finished difference Result 146 states and 159 transitions. [2024-11-10 18:28:15,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-10 18:28:15,836 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 4.88) internal successors, (122), 25 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-10 18:28:15,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:28:15,837 INFO L225 Difference]: With dead ends: 146 [2024-11-10 18:28:15,837 INFO L226 Difference]: Without dead ends: 130 [2024-11-10 18:28:15,838 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2024-11-10 18:28:15,845 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 6 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:28:15,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 58 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:28:15,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-10 18:28:15,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2024-11-10 18:28:15,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 128 states have (on average 1.0234375) internal successors, (131), 129 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:15,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 131 transitions. [2024-11-10 18:28:15,853 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 131 transitions. Word has length 67 [2024-11-10 18:28:15,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:28:15,853 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 131 transitions. [2024-11-10 18:28:15,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.88) internal successors, (122), 25 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:15,854 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 131 transitions. [2024-11-10 18:28:15,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-10 18:28:15,856 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:28:15,856 INFO L215 NwaCegarLoop]: trace histogram [23, 22, 22, 22, 22, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:28:15,872 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 18:28:16,057 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 [2024-11-10 18:28:16,057 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-10 18:28:16,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:28:16,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1002717787, now seen corresponding path program 3 times [2024-11-10 18:28:16,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:28:16,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559070581] [2024-11-10 18:28:16,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:16,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:28:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:16,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1204 backedges. 0 proven. 1199 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-10 18:28:16,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:28:16,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559070581] [2024-11-10 18:28:16,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559070581] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:28:16,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405938569] [2024-11-10 18:28:16,570 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 18:28:16,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:28:16,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:28:16,572 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:28:16,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 18:28:16,624 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-10 18:28:16,625 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:28:16,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:28:16,627 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:28:16,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1204 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1199 trivial. 0 not checked. [2024-11-10 18:28:16,681 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:28:16,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405938569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:28:16,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:28:16,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [25] total 28 [2024-11-10 18:28:16,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072684366] [2024-11-10 18:28:16,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:28:16,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:28:16,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:28:16,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:28:16,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=449, Unknown=0, NotChecked=0, Total=756 [2024-11-10 18:28:16,683 INFO L87 Difference]: Start difference. First operand 130 states and 131 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 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) [2024-11-10 18:28:16,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:28:16,697 INFO L93 Difference]: Finished difference Result 130 states and 131 transitions. [2024-11-10 18:28:16,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:28:16,697 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 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 127 [2024-11-10 18:28:16,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:28:16,698 INFO L225 Difference]: With dead ends: 130 [2024-11-10 18:28:16,698 INFO L226 Difference]: Without dead ends: 129 [2024-11-10 18:28:16,698 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=307, Invalid=449, Unknown=0, NotChecked=0, Total=756 [2024-11-10 18:28:16,699 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 2 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 38 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 [2024-11-10 18:28:16,699 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 38 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:28:16,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-10 18:28:16,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2024-11-10 18:28:16,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 128 states have (on average 1.015625) internal successors, (130), 128 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:16,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 130 transitions. [2024-11-10 18:28:16,706 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 130 transitions. Word has length 127 [2024-11-10 18:28:16,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:28:16,706 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 130 transitions. [2024-11-10 18:28:16,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 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) [2024-11-10 18:28:16,706 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 130 transitions. [2024-11-10 18:28:16,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-10 18:28:16,707 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:28:16,708 INFO L215 NwaCegarLoop]: trace histogram [23, 22, 22, 22, 22, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:28:16,722 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 18:28:16,908 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 [2024-11-10 18:28:16,909 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-10 18:28:16,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:28:16,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1019480300, now seen corresponding path program 1 times [2024-11-10 18:28:16,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:28:16,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273612378] [2024-11-10 18:28:16,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:28:16,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:28:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:28:17,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1205 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1201 trivial. 0 not checked. [2024-11-10 18:28:17,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:28:17,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273612378] [2024-11-10 18:28:17,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273612378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:28:17,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:28:17,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:28:17,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128638726] [2024-11-10 18:28:17,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:28:17,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:28:17,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:28:17,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:28:17,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:28:17,013 INFO L87 Difference]: Start difference. First operand 129 states and 130 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) [2024-11-10 18:28:17,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:28:17,026 INFO L93 Difference]: Finished difference Result 129 states and 130 transitions. [2024-11-10 18:28:17,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:28:17,027 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 128 [2024-11-10 18:28:17,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:28:17,028 INFO L225 Difference]: With dead ends: 129 [2024-11-10 18:28:17,028 INFO L226 Difference]: Without dead ends: 0 [2024-11-10 18:28:17,028 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:28:17,029 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 2 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 29 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 [2024-11-10 18:28:17,029 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 29 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:28:17,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-10 18:28:17,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-10 18:28:17,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:28:17,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-10 18:28:17,030 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 128 [2024-11-10 18:28:17,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:28:17,030 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 18:28:17,030 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) [2024-11-10 18:28:17,030 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-10 18:28:17,030 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-10 18:28:17,035 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-10 18:28:17,035 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-10 18:28:17,035 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-10 18:28:17,035 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-10 18:28:17,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 18:28:17,039 INFO L407 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1] [2024-11-10 18:28:17,041 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-10 18:28:17,077 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 18:28:17,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 06:28:17 BoogieIcfgContainer [2024-11-10 18:28:17,085 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 18:28:17,086 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 18:28:17,086 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 18:28:17,086 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 18:28:17,086 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:28:12" (3/4) ... [2024-11-10 18:28:17,088 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 18:28:17,094 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-10 18:28:17,095 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-10 18:28:17,095 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 18:28:17,095 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 18:28:17,166 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 18:28:17,166 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 18:28:17,166 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 18:28:17,167 INFO L158 Benchmark]: Toolchain (without parser) took 4822.37ms. Allocated memory was 119.5MB in the beginning and 188.7MB in the end (delta: 69.2MB). Free memory was 52.1MB in the beginning and 120.7MB in the end (delta: -68.6MB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. [2024-11-10 18:28:17,167 INFO L158 Benchmark]: CDTParser took 0.91ms. Allocated memory is still 119.5MB. Free memory is still 68.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 18:28:17,167 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.67ms. Allocated memory was 119.5MB in the beginning and 157.3MB in the end (delta: 37.7MB). Free memory was 51.8MB in the beginning and 122.7MB in the end (delta: -70.9MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2024-11-10 18:28:17,167 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.82ms. Allocated memory is still 157.3MB. Free memory was 122.7MB in the beginning and 121.8MB in the end (delta: 961.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 18:28:17,168 INFO L158 Benchmark]: Boogie Preprocessor took 33.84ms. Allocated memory is still 157.3MB. Free memory was 121.8MB in the beginning and 119.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 18:28:17,168 INFO L158 Benchmark]: IcfgBuilder took 247.71ms. Allocated memory is still 157.3MB. Free memory was 119.7MB in the beginning and 108.1MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-10 18:28:17,168 INFO L158 Benchmark]: TraceAbstraction took 4165.20ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 108.1MB in the beginning and 125.9MB in the end (delta: -17.9MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2024-11-10 18:28:17,168 INFO L158 Benchmark]: Witness Printer took 80.60ms. Allocated memory is still 188.7MB. Free memory was 125.9MB in the beginning and 120.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 18:28:17,169 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91ms. Allocated memory is still 119.5MB. Free memory is still 68.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.67ms. Allocated memory was 119.5MB in the beginning and 157.3MB in the end (delta: 37.7MB). Free memory was 51.8MB in the beginning and 122.7MB in the end (delta: -70.9MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.82ms. Allocated memory is still 157.3MB. Free memory was 122.7MB in the beginning and 121.8MB in the end (delta: 961.6kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.84ms. Allocated memory is still 157.3MB. Free memory was 121.8MB in the beginning and 119.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 247.71ms. Allocated memory is still 157.3MB. Free memory was 119.7MB in the beginning and 108.1MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4165.20ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 108.1MB in the beginning and 125.9MB in the end (delta: -17.9MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Witness Printer took 80.60ms. Allocated memory is still 188.7MB. Free memory was 125.9MB in the beginning and 120.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 26 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.1s, OverallIterations: 9, TraceHistogramMax: 23, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 358 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 231 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 241 IncrementalHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 127 mSDtfsCounter, 241 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 429 GetRequests, 355 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=130occurred in iteration=7, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 5 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 686 NumberOfCodeBlocks, 581 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 788 ConstructedInterpolants, 0 QuantifiedInterpolants, 1586 SizeOfPredicates, 0 NumberOfNonLiveVariables, 441 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 17 InterpolantComputations, 6 PerfectInterpolantSequences, 2489/4546 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 22]: Location Invariant Derived location invariant: null - InvariantResult [Line: 17]: Location Invariant Derived location invariant: null RESULT: Ultimate proved your program to be correct! [2024-11-10 18:28:17,200 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