./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/list-ext-properties/simple-ext.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/list-ext-properties/simple-ext.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 79d8454f49f42d774b494771accf13f0b47382db45ac5cfdb4c7afee633f8cd7 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 04:05:55,591 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 04:05:55,649 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 04:05:55,652 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 04:05:55,652 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 04:05:55,670 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 04:05:55,671 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 04:05:55,671 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 04:05:55,671 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 04:05:55,672 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 04:05:55,672 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 04:05:55,672 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 04:05:55,672 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 04:05:55,673 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 04:05:55,673 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 04:05:55,673 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 04:05:55,674 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 04:05:55,674 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 04:05:55,674 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 04:05:55,674 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 04:05:55,675 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 04:05:55,678 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 04:05:55,679 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 04:05:55,679 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 04:05:55,679 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 04:05:55,679 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 04:05:55,679 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 04:05:55,680 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 04:05:55,680 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 04:05:55,680 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 04:05:55,680 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 04:05:55,681 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 04:05:55,681 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 04:05:55,681 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 04:05:55,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:05:55,681 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 04:05:55,682 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 04:05:55,682 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 04:05:55,682 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 04:05:55,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 04:05:55,682 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 04:05:55,683 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 04:05:55,684 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 04:05:55,684 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 04:05:55,684 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79d8454f49f42d774b494771accf13f0b47382db45ac5cfdb4c7afee633f8cd7 [2024-11-17 04:05:55,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 04:05:55,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 04:05:55,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 04:05:55,973 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 04:05:55,973 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 04:05:55,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext-properties/simple-ext.i [2024-11-17 04:05:57,273 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 04:05:57,456 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 04:05:57,457 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext-properties/simple-ext.i [2024-11-17 04:05:57,467 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d52df8e41/6020c57f5ce64bb482265d4032ffe16a/FLAGb45354447 [2024-11-17 04:05:57,494 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d52df8e41/6020c57f5ce64bb482265d4032ffe16a [2024-11-17 04:05:57,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 04:05:57,499 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 04:05:57,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 04:05:57,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 04:05:57,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 04:05:57,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:05:57" (1/1) ... [2024-11-17 04:05:57,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50ef9429 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:05:57, skipping insertion in model container [2024-11-17 04:05:57,510 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:05:57" (1/1) ... [2024-11-17 04:05:57,544 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 04:05:57,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:05:57,949 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 04:05:57,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:05:58,008 INFO L204 MainTranslator]: Completed translation [2024-11-17 04:05:58,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:05:58 WrapperNode [2024-11-17 04:05:58,011 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 04:05:58,012 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 04:05:58,012 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 04:05:58,012 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 04:05:58,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:05:58" (1/1) ... [2024-11-17 04:05:58,032 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:05:58" (1/1) ... [2024-11-17 04:05:58,052 INFO L138 Inliner]: procedures = 124, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 79 [2024-11-17 04:05:58,053 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 04:05:58,053 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 04:05:58,053 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 04:05:58,053 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 04:05:58,062 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:05:58" (1/1) ... [2024-11-17 04:05:58,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:05:58" (1/1) ... [2024-11-17 04:05:58,065 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:05:58" (1/1) ... [2024-11-17 04:05:58,077 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 4 writes are split as follows [0, 4]. [2024-11-17 04:05:58,078 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:05:58" (1/1) ... [2024-11-17 04:05:58,078 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:05:58" (1/1) ... [2024-11-17 04:05:58,082 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:05:58" (1/1) ... [2024-11-17 04:05:58,083 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:05:58" (1/1) ... [2024-11-17 04:05:58,084 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:05:58" (1/1) ... [2024-11-17 04:05:58,085 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:05:58" (1/1) ... [2024-11-17 04:05:58,087 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 04:05:58,088 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 04:05:58,088 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 04:05:58,088 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 04:05:58,089 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:05:58" (1/1) ... [2024-11-17 04:05:58,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:05:58,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:05:58,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 04:05:58,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 04:05:58,185 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2024-11-17 04:05:58,186 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2024-11-17 04:05:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 04:05:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-17 04:05:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 04:05:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 04:05:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-17 04:05:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 04:05:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-17 04:05:58,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-17 04:05:58,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-17 04:05:58,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-17 04:05:58,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 04:05:58,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 04:05:58,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-17 04:05:58,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 04:05:58,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 04:05:58,311 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 04:05:58,313 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 04:05:58,342 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2024-11-17 04:05:58,472 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-17 04:05:58,472 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 04:05:58,486 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 04:05:58,486 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 04:05:58,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:05:58 BoogieIcfgContainer [2024-11-17 04:05:58,487 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 04:05:58,492 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 04:05:58,492 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 04:05:58,495 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 04:05:58,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:05:57" (1/3) ... [2024-11-17 04:05:58,496 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eb113d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:05:58, skipping insertion in model container [2024-11-17 04:05:58,496 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:05:58" (2/3) ... [2024-11-17 04:05:58,497 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eb113d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:05:58, skipping insertion in model container [2024-11-17 04:05:58,497 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:05:58" (3/3) ... [2024-11-17 04:05:58,498 INFO L112 eAbstractionObserver]: Analyzing ICFG simple-ext.i [2024-11-17 04:05:58,514 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 04:05:58,514 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-17 04:05:58,559 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 04:05:58,564 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;@1c484e72, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 04:05:58,565 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-17 04:05:58,568 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 31 states have (on average 1.4838709677419355) internal successors, (46), 36 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:05:58,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-17 04:05:58,573 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:05:58,573 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:05:58,574 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)] === [2024-11-17 04:05:58,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:05:58,578 INFO L85 PathProgramCache]: Analyzing trace with hash -2110311978, now seen corresponding path program 1 times [2024-11-17 04:05:58,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:05:58,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368836805] [2024-11-17 04:05:58,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:05:58,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:05:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:05:58,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:05:58,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:05:58,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368836805] [2024-11-17 04:05:58,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368836805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:05:58,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:05:58,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:05:58,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066118073] [2024-11-17 04:05:58,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:05:58,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:05:58,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:05:58,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:05:58,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:05:58,871 INFO L87 Difference]: Start difference. First operand has 38 states, 31 states have (on average 1.4838709677419355) internal successors, (46), 36 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:05:58,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:05:58,930 INFO L93 Difference]: Finished difference Result 80 states and 105 transitions. [2024-11-17 04:05:58,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:05:58,933 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-17 04:05:58,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:05:58,938 INFO L225 Difference]: With dead ends: 80 [2024-11-17 04:05:58,939 INFO L226 Difference]: Without dead ends: 37 [2024-11-17 04:05:58,941 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:05:58,944 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 16 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:05:58,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 94 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:05:58,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-17 04:05:58,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 31. [2024-11-17 04:05:58,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 30 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:05:58,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2024-11-17 04:05:58,972 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 10 [2024-11-17 04:05:58,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:05:58,972 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2024-11-17 04:05:58,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:05:58,973 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2024-11-17 04:05:58,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-17 04:05:58,973 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:05:58,974 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:05:58,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 04:05:58,974 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:05:58,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:05:58,975 INFO L85 PathProgramCache]: Analyzing trace with hash -613129335, now seen corresponding path program 1 times [2024-11-17 04:05:58,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:05:58,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934589536] [2024-11-17 04:05:58,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:05:58,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:05:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:05:59,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:05:59,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:05:59,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934589536] [2024-11-17 04:05:59,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934589536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:05:59,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:05:59,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:05:59,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006561255] [2024-11-17 04:05:59,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:05:59,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:05:59,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:05:59,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:05:59,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:05:59,057 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:05:59,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:05:59,092 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2024-11-17 04:05:59,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:05:59,092 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-17 04:05:59,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:05:59,093 INFO L225 Difference]: With dead ends: 41 [2024-11-17 04:05:59,093 INFO L226 Difference]: Without dead ends: 39 [2024-11-17 04:05:59,094 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:05:59,095 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 8 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:05:59,095 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 48 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:05:59,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-17 04:05:59,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2024-11-17 04:05:59,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 36 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:05:59,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2024-11-17 04:05:59,100 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 13 [2024-11-17 04:05:59,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:05:59,100 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2024-11-17 04:05:59,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:05:59,101 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2024-11-17 04:05:59,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-17 04:05:59,101 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:05:59,101 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:05:59,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 04:05:59,102 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:05:59,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:05:59,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1014886355, now seen corresponding path program 1 times [2024-11-17 04:05:59,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:05:59,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471592951] [2024-11-17 04:05:59,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:05:59,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:05:59,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:05:59,252 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:05:59,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:05:59,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471592951] [2024-11-17 04:05:59,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471592951] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:05:59,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [947391467] [2024-11-17 04:05:59,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:05:59,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:05:59,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:05:59,257 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:05:59,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 04:05:59,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:05:59,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:05:59,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:05:59,414 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:05:59,414 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:05:59,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [947391467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:05:59,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:05:59,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-17 04:05:59,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445953873] [2024-11-17 04:05:59,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:05:59,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:05:59,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:05:59,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:05:59,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:05:59,416 INFO L87 Difference]: Start difference. First operand 37 states and 41 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:05:59,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:05:59,468 INFO L93 Difference]: Finished difference Result 39 states and 43 transitions. [2024-11-17 04:05:59,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:05:59,468 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-17 04:05:59,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:05:59,469 INFO L225 Difference]: With dead ends: 39 [2024-11-17 04:05:59,470 INFO L226 Difference]: Without dead ends: 38 [2024-11-17 04:05:59,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:05:59,471 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 9 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:05:59,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 55 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:05:59,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-17 04:05:59,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2024-11-17 04:05:59,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 35 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:05:59,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 40 transitions. [2024-11-17 04:05:59,479 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 40 transitions. Word has length 18 [2024-11-17 04:05:59,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:05:59,479 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 40 transitions. [2024-11-17 04:05:59,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:05:59,480 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2024-11-17 04:05:59,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-17 04:05:59,480 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:05:59,481 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:05:59,494 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 04:05:59,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:05:59,686 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:05:59,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:05:59,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1396705929, now seen corresponding path program 1 times [2024-11-17 04:05:59,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:05:59,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858202663] [2024-11-17 04:05:59,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:05:59,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:05:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:05:59,792 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 04:05:59,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:05:59,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858202663] [2024-11-17 04:05:59,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858202663] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:05:59,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:05:59,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:05:59,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221060383] [2024-11-17 04:05:59,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:05:59,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:05:59,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:05:59,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:05:59,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:05:59,798 INFO L87 Difference]: Start difference. First operand 36 states and 40 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:05:59,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:05:59,831 INFO L93 Difference]: Finished difference Result 38 states and 43 transitions. [2024-11-17 04:05:59,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:05:59,832 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-17 04:05:59,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:05:59,833 INFO L225 Difference]: With dead ends: 38 [2024-11-17 04:05:59,833 INFO L226 Difference]: Without dead ends: 37 [2024-11-17 04:05:59,835 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:05:59,836 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 8 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:05:59,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 49 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:05:59,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-17 04:05:59,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 28. [2024-11-17 04:05:59,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 27 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:05:59,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2024-11-17 04:05:59,841 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 19 [2024-11-17 04:05:59,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:05:59,841 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2024-11-17 04:05:59,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:05:59,842 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2024-11-17 04:05:59,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-17 04:05:59,843 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:05:59,843 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:05:59,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 04:05:59,843 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)] === [2024-11-17 04:05:59,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:05:59,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1860455150, now seen corresponding path program 1 times [2024-11-17 04:05:59,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:05:59,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396156445] [2024-11-17 04:05:59,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:05:59,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:05:59,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:05:59,954 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 04:05:59,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:05:59,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396156445] [2024-11-17 04:05:59,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396156445] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:05:59,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:05:59,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 04:05:59,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081953334] [2024-11-17 04:05:59,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:05:59,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:05:59,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:05:59,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:05:59,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:05:59,956 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:06:00,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:06:00,002 INFO L93 Difference]: Finished difference Result 49 states and 53 transitions. [2024-11-17 04:06:00,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:06:00,002 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-17 04:06:00,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:06:00,003 INFO L225 Difference]: With dead ends: 49 [2024-11-17 04:06:00,003 INFO L226 Difference]: Without dead ends: 33 [2024-11-17 04:06:00,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:06:00,004 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 10 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:06:00,004 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 63 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:06:00,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-17 04:06:00,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2024-11-17 04:06:00,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 30 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:06:00,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2024-11-17 04:06:00,007 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 20 [2024-11-17 04:06:00,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:06:00,008 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2024-11-17 04:06:00,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:06:00,008 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2024-11-17 04:06:00,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-17 04:06:00,008 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:06:00,008 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:06:00,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 04:06:00,009 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)] === [2024-11-17 04:06:00,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:06:00,009 INFO L85 PathProgramCache]: Analyzing trace with hash 715248297, now seen corresponding path program 1 times [2024-11-17 04:06:00,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:06:00,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448802285] [2024-11-17 04:06:00,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:06:00,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:06:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:06:00,102 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 04:06:00,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:06:00,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448802285] [2024-11-17 04:06:00,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448802285] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:06:00,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2023431994] [2024-11-17 04:06:00,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:06:00,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:06:00,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:06:00,105 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:06:00,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 04:06:00,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:06:00,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:06:00,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:06:00,220 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 04:06:00,220 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:06:00,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2023431994] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:06:00,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:06:00,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-17 04:06:00,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357726034] [2024-11-17 04:06:00,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:06:00,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:06:00,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:06:00,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:06:00,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:06:00,222 INFO L87 Difference]: Start difference. First operand 31 states and 34 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:06:00,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:06:00,258 INFO L93 Difference]: Finished difference Result 34 states and 37 transitions. [2024-11-17 04:06:00,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:06:00,259 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2024-11-17 04:06:00,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:06:00,259 INFO L225 Difference]: With dead ends: 34 [2024-11-17 04:06:00,260 INFO L226 Difference]: Without dead ends: 33 [2024-11-17 04:06:00,260 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:06:00,261 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 7 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:06:00,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 54 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:06:00,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-17 04:06:00,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 30. [2024-11-17 04:06:00,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 29 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:06:00,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2024-11-17 04:06:00,266 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 28 [2024-11-17 04:06:00,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:06:00,266 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2024-11-17 04:06:00,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:06:00,267 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2024-11-17 04:06:00,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-17 04:06:00,267 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:06:00,267 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:06:00,280 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-17 04:06:00,468 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,SelfDestructingSolverStorable5 [2024-11-17 04:06:00,469 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:06:00,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:06:00,469 INFO L85 PathProgramCache]: Analyzing trace with hash 697860712, now seen corresponding path program 1 times [2024-11-17 04:06:00,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:06:00,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713177581] [2024-11-17 04:06:00,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:06:00,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:06:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:06:00,594 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 04:06:00,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:06:00,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713177581] [2024-11-17 04:06:00,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713177581] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:06:00,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885609892] [2024-11-17 04:06:00,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:06:00,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:06:00,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:06:00,598 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:06:00,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 04:06:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:06:00,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:06:00,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:06:00,715 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 04:06:00,715 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:06:00,817 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 04:06:00,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1885609892] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:06:00,821 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:06:00,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-17 04:06:00,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864250863] [2024-11-17 04:06:00,822 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:06:00,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 04:06:00,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:06:00,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 04:06:00,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:06:00,823 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:06:00,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:06:00,900 INFO L93 Difference]: Finished difference Result 54 states and 59 transitions. [2024-11-17 04:06:00,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 04:06:00,900 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2024-11-17 04:06:00,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:06:00,900 INFO L225 Difference]: With dead ends: 54 [2024-11-17 04:06:00,901 INFO L226 Difference]: Without dead ends: 53 [2024-11-17 04:06:00,901 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:06:00,901 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 27 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:06:00,901 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 65 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:06:00,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-17 04:06:00,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 51. [2024-11-17 04:06:00,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.08) internal successors, (54), 50 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:06:00,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 54 transitions. [2024-11-17 04:06:00,907 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 54 transitions. Word has length 29 [2024-11-17 04:06:00,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:06:00,907 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 54 transitions. [2024-11-17 04:06:00,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:06:00,907 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 54 transitions. [2024-11-17 04:06:00,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-17 04:06:00,908 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:06:00,908 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:06:00,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-17 04:06:01,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:06:01,109 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:06:01,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:06:01,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1114617825, now seen corresponding path program 2 times [2024-11-17 04:06:01,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:06:01,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297789367] [2024-11-17 04:06:01,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:06:01,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:06:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:06:01,304 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 04:06:01,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:06:01,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297789367] [2024-11-17 04:06:01,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297789367] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:06:01,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56446512] [2024-11-17 04:06:01,305 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:06:01,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:06:01,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:06:01,312 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) [2024-11-17 04:06:01,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 04:06:01,405 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:06:01,406 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:06:01,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 04:06:01,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:06:01,476 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 04:06:01,477 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:06:01,654 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 04:06:01,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56446512] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:06:01,655 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:06:01,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2024-11-17 04:06:01,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960590472] [2024-11-17 04:06:01,655 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:06:01,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-17 04:06:01,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:06:01,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-17 04:06:01,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-11-17 04:06:01,658 INFO L87 Difference]: Start difference. First operand 51 states and 54 transitions. Second operand has 24 states, 23 states have (on average 3.9565217391304346) internal successors, (91), 24 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:06:01,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:06:01,812 INFO L93 Difference]: Finished difference Result 96 states and 104 transitions. [2024-11-17 04:06:01,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-17 04:06:01,813 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 3.9565217391304346) internal successors, (91), 24 states have internal predecessors, (91), 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 50 [2024-11-17 04:06:01,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:06:01,814 INFO L225 Difference]: With dead ends: 96 [2024-11-17 04:06:01,814 INFO L226 Difference]: Without dead ends: 95 [2024-11-17 04:06:01,814 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-11-17 04:06:01,815 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 12 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:06:01,815 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 141 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:06:01,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-17 04:06:01,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2024-11-17 04:06:01,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 92 states have (on average 1.0434782608695652) internal successors, (96), 92 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:06:01,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 96 transitions. [2024-11-17 04:06:01,827 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 96 transitions. Word has length 50 [2024-11-17 04:06:01,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:06:01,827 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 96 transitions. [2024-11-17 04:06:01,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 3.9565217391304346) internal successors, (91), 24 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:06:01,828 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 96 transitions. [2024-11-17 04:06:01,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-17 04:06:01,829 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:06:01,829 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:06:01,844 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-17 04:06:02,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:06:02,030 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)] === [2024-11-17 04:06:02,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:06:02,030 INFO L85 PathProgramCache]: Analyzing trace with hash 392543167, now seen corresponding path program 3 times [2024-11-17 04:06:02,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:06:02,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557576040] [2024-11-17 04:06:02,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:06:02,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:06:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:06:02,582 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 375 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 04:06:02,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:06:02,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557576040] [2024-11-17 04:06:02,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557576040] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:06:02,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1208087830] [2024-11-17 04:06:02,584 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:06:02,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:06:02,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:06:02,587 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:06:02,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 04:06:02,753 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-17 04:06:02,753 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:06:02,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-17 04:06:02,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:06:02,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-17 04:06:02,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-17 04:06:02,921 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-17 04:06:02,922 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-17 04:06:02,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-17 04:06:02,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2024-11-17 04:06:02,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-17 04:06:03,027 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-17 04:06:03,066 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 30 proven. 3 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2024-11-17 04:06:03,067 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:06:03,108 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_354 (Array Int Int))) (not (= (select (select (store |c_#memory_int#1| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_354) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 1))) is different from false [2024-11-17 04:06:03,178 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 04:06:03,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 30 [2024-11-17 04:06:03,191 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 04:06:03,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 36 [2024-11-17 04:06:03,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2024-11-17 04:06:03,348 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 345 trivial. 3 not checked. [2024-11-17 04:06:03,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1208087830] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:06:03,348 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:06:03,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 8, 8] total 36 [2024-11-17 04:06:03,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139713974] [2024-11-17 04:06:03,349 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:06:03,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-17 04:06:03,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:06:03,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-17 04:06:03,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=200, Invalid=988, Unknown=6, NotChecked=66, Total=1260 [2024-11-17 04:06:03,350 INFO L87 Difference]: Start difference. First operand 93 states and 96 transitions. Second operand has 36 states, 36 states have (on average 3.7222222222222223) internal successors, (134), 36 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:06:03,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:06:03,556 INFO L93 Difference]: Finished difference Result 95 states and 98 transitions. [2024-11-17 04:06:03,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:06:03,556 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 3.7222222222222223) internal successors, (134), 36 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-11-17 04:06:03,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:06:03,556 INFO L225 Difference]: With dead ends: 95 [2024-11-17 04:06:03,556 INFO L226 Difference]: Without dead ends: 0 [2024-11-17 04:06:03,557 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 372 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=275, Invalid=1283, Unknown=6, NotChecked=76, Total=1640 [2024-11-17 04:06:03,558 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 39 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 14 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:06:03,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 132 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 143 Invalid, 0 Unknown, 14 Unchecked, 0.1s Time] [2024-11-17 04:06:03,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-17 04:06:03,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-17 04:06:03,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:06:03,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-17 04:06:03,559 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 92 [2024-11-17 04:06:03,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:06:03,559 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 04:06:03,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 3.7222222222222223) internal successors, (134), 36 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:06:03,559 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-17 04:06:03,559 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-17 04:06:03,562 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-17 04:06:03,562 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-17 04:06:03,562 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-17 04:06:03,562 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-17 04:06:03,575 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-17 04:06:03,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:06:03,769 INFO L407 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1] [2024-11-17 04:06:03,771 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-17 04:06:03,812 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 04:06:03,823 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-17 04:06:03,824 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-17 04:06:03,824 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-17 04:06:03,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 04:06:03 BoogieIcfgContainer [2024-11-17 04:06:03,827 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 04:06:03,828 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 04:06:03,828 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 04:06:03,828 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 04:06:03,828 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:05:58" (3/4) ... [2024-11-17 04:06:03,830 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-17 04:06:03,833 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure myexit [2024-11-17 04:06:03,837 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-17 04:06:03,838 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-17 04:06:03,838 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-17 04:06:03,838 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-17 04:06:03,910 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 04:06:03,910 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-17 04:06:03,910 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 04:06:03,911 INFO L158 Benchmark]: Toolchain (without parser) took 6412.13ms. Allocated memory was 155.2MB in the beginning and 213.9MB in the end (delta: 58.7MB). Free memory was 129.9MB in the beginning and 131.6MB in the end (delta: -1.7MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. [2024-11-17 04:06:03,911 INFO L158 Benchmark]: CDTParser took 0.99ms. Allocated memory is still 96.5MB. Free memory was 45.1MB in the beginning and 45.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 04:06:03,911 INFO L158 Benchmark]: CACSL2BoogieTranslator took 511.60ms. Allocated memory is still 155.2MB. Free memory was 129.2MB in the beginning and 118.5MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-17 04:06:03,911 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.91ms. Allocated memory is still 155.2MB. Free memory was 118.5MB in the beginning and 116.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 04:06:03,912 INFO L158 Benchmark]: Boogie Preprocessor took 34.02ms. Allocated memory is still 155.2MB. Free memory was 116.4MB in the beginning and 114.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 04:06:03,912 INFO L158 Benchmark]: IcfgBuilder took 399.02ms. Allocated memory is still 155.2MB. Free memory was 114.3MB in the beginning and 98.8MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-17 04:06:03,912 INFO L158 Benchmark]: TraceAbstraction took 5335.39ms. Allocated memory was 155.2MB in the beginning and 213.9MB in the end (delta: 58.7MB). Free memory was 98.0MB in the beginning and 136.9MB in the end (delta: -38.8MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2024-11-17 04:06:03,912 INFO L158 Benchmark]: Witness Printer took 82.62ms. Allocated memory is still 213.9MB. Free memory was 136.9MB in the beginning and 131.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 04:06:03,913 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.99ms. Allocated memory is still 96.5MB. Free memory was 45.1MB in the beginning and 45.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 511.60ms. Allocated memory is still 155.2MB. Free memory was 129.2MB in the beginning and 118.5MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.91ms. Allocated memory is still 155.2MB. Free memory was 118.5MB in the beginning and 116.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.02ms. Allocated memory is still 155.2MB. Free memory was 116.4MB in the beginning and 114.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 399.02ms. Allocated memory is still 155.2MB. Free memory was 114.3MB in the beginning and 98.8MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5335.39ms. Allocated memory was 155.2MB in the beginning and 213.9MB in the end (delta: 58.7MB). Free memory was 98.0MB in the beginning and 136.9MB in the end (delta: -38.8MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * Witness Printer took 82.62ms. Allocated memory is still 213.9MB. Free memory was 136.9MB in the beginning and 131.6MB 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.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID * 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: 554]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 554]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 543]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 543]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 5.2s, OverallIterations: 9, TraceHistogramMax: 11, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 136 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 136 mSDsluCounter, 701 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 14 IncrementalHoareTripleChecker+Unchecked, 533 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 505 IncrementalHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 168 mSDtfsCounter, 505 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 452 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 564 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=8, InterpolantAutomatonStates: 71, 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, 28 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 496 NumberOfCodeBlocks, 447 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 650 ConstructedInterpolants, 12 QuantifiedInterpolants, 1768 SizeOfPredicates, 8 NumberOfNonLiveVariables, 830 ConjunctsInSsa, 56 ConjunctsInUnsatCore, 17 InterpolantComputations, 6 PerfectInterpolantSequences, 800/1408 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: 557]: Location Invariant Derived location invariant: null - InvariantResult [Line: 549]: Location Invariant Derived location invariant: null - InvariantResult [Line: 537]: Location Invariant Derived location invariant: null RESULT: Ultimate proved your program to be correct! [2024-11-17 04:06:03,949 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE