./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-multidimensional/copy-partial-2-n-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-multidimensional/copy-partial-2-n-u.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2a46b64c20324a7544dfe7936b5f39eaa32bba659068797748195a7f292bdaee --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:31:19,976 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:31:20,041 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 18:31:20,047 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:31:20,048 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:31:20,072 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:31:20,074 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:31:20,074 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:31:20,075 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:31:20,077 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:31:20,078 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:31:20,078 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:31:20,079 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:31:20,079 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:31:20,079 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:31:20,082 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:31:20,082 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 18:31:20,082 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:31:20,083 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:31:20,083 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:31:20,083 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:31:20,089 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 18:31:20,089 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:31:20,089 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 18:31:20,089 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:31:20,089 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 18:31:20,090 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:31:20,090 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:31:20,090 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 18:31:20,090 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:31:20,091 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:31:20,091 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:31:20,091 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:31:20,091 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:31:20,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:31:20,093 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:31:20,093 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:31:20,093 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 18:31:20,093 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:31:20,094 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:31:20,094 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:31:20,094 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:31:20,094 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:31:20,095 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:31:20,095 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a46b64c20324a7544dfe7936b5f39eaa32bba659068797748195a7f292bdaee [2024-11-10 18:31:20,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:31:20,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:31:20,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:31:20,391 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:31:20,391 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:31:20,393 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-multidimensional/copy-partial-2-n-u.c [2024-11-10 18:31:21,811 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:31:21,992 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:31:21,993 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/copy-partial-2-n-u.c [2024-11-10 18:31:22,000 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3435d2b2/4de713825c1b4b77bdb7c96bb768a8ef/FLAGf9827fc89 [2024-11-10 18:31:22,016 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3435d2b2/4de713825c1b4b77bdb7c96bb768a8ef [2024-11-10 18:31:22,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:31:22,019 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:31:22,023 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:31:22,023 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:31:22,037 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:31:22,038 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:31:22" (1/1) ... [2024-11-10 18:31:22,039 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72e1372d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:31:22, skipping insertion in model container [2024-11-10 18:31:22,039 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:31:22" (1/1) ... [2024-11-10 18:31:22,059 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:31:22,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:31:22,225 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:31:22,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:31:22,263 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:31:22,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:31:22 WrapperNode [2024-11-10 18:31:22,264 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:31:22,268 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:31:22,268 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:31:22,268 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:31:22,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:31:22" (1/1) ... [2024-11-10 18:31:22,285 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:31:22" (1/1) ... [2024-11-10 18:31:22,310 INFO L138 Inliner]: procedures = 15, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 93 [2024-11-10 18:31:22,311 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:31:22,313 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:31:22,313 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:31:22,313 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:31:22,324 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:31:22" (1/1) ... [2024-11-10 18:31:22,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:31:22" (1/1) ... [2024-11-10 18:31:22,330 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:31:22" (1/1) ... [2024-11-10 18:31:22,354 INFO L175 MemorySlicer]: Split 7 memory accesses to 3 slices as follows [2, 2, 3]. 43 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-11-10 18:31:22,355 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:31:22" (1/1) ... [2024-11-10 18:31:22,355 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:31:22" (1/1) ... [2024-11-10 18:31:22,362 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:31:22" (1/1) ... [2024-11-10 18:31:22,364 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:31:22" (1/1) ... [2024-11-10 18:31:22,366 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:31:22" (1/1) ... [2024-11-10 18:31:22,366 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:31:22" (1/1) ... [2024-11-10 18:31:22,372 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:31:22,376 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:31:22,376 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:31:22,376 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:31:22,377 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:31:22" (1/1) ... [2024-11-10 18:31:22,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:31:22,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:31:22,415 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 18:31:22,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 18:31:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 18:31:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 18:31:22,457 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 18:31:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 18:31:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 18:31:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 18:31:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 18:31:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 18:31:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 18:31:22,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 18:31:22,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:31:22,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:31:22,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 18:31:22,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 18:31:22,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 18:31:22,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 18:31:22,534 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:31:22,537 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:31:22,783 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L22: call ULTIMATE.dealloc(main_~#A~0#1.base, main_~#A~0#1.offset);havoc main_~#A~0#1.base, main_~#A~0#1.offset;call ULTIMATE.dealloc(main_~#B~0#1.base, main_~#B~0#1.offset);havoc main_~#B~0#1.base, main_~#B~0#1.offset; [2024-11-10 18:31:22,803 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-10 18:31:22,803 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:31:22,817 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:31:22,817 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:31:22,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:31:22 BoogieIcfgContainer [2024-11-10 18:31:22,818 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:31:22,820 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:31:22,820 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:31:22,825 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:31:22,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:31:22" (1/3) ... [2024-11-10 18:31:22,827 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5151f9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:31:22, skipping insertion in model container [2024-11-10 18:31:22,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:31:22" (2/3) ... [2024-11-10 18:31:22,829 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5151f9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:31:22, skipping insertion in model container [2024-11-10 18:31:22,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:31:22" (3/3) ... [2024-11-10 18:31:22,830 INFO L112 eAbstractionObserver]: Analyzing ICFG copy-partial-2-n-u.c [2024-11-10 18:31:22,846 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:31:22,846 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-11-10 18:31:22,928 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:31:22,936 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;@49952307, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:31:22,936 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-11-10 18:31:22,942 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 45 states have (on average 1.5777777777777777) internal successors, (71), 57 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 18:31:22,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-10 18:31:22,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:31:22,950 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:31:22,951 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:31:22,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:31:22,958 INFO L85 PathProgramCache]: Analyzing trace with hash 2136171242, now seen corresponding path program 1 times [2024-11-10 18:31:22,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:31:22,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017254101] [2024-11-10 18:31:22,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:31:22,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:31:23,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:23,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 18:31:23,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:23,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 18:31:23,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:23,207 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:31:23,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:31:23,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017254101] [2024-11-10 18:31:23,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017254101] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:31:23,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:31:23,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:31:23,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279044560] [2024-11-10 18:31:23,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:31:23,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 18:31:23,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:31:23,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 18:31:23,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 18:31:23,261 INFO L87 Difference]: Start difference. First operand has 61 states, 45 states have (on average 1.5777777777777777) internal successors, (71), 57 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 18:31:23,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:31:23,286 INFO L93 Difference]: Finished difference Result 118 states and 147 transitions. [2024-11-10 18:31:23,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 18:31:23,289 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 17 [2024-11-10 18:31:23,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:31:23,296 INFO L225 Difference]: With dead ends: 118 [2024-11-10 18:31:23,296 INFO L226 Difference]: Without dead ends: 55 [2024-11-10 18:31:23,300 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 18:31:23,306 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:31:23,307 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:31:23,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-10 18:31:23,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-11-10 18:31:23,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 40 states have (on average 1.425) internal successors, (57), 51 states have internal predecessors, (57), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 18:31:23,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 61 transitions. [2024-11-10 18:31:23,349 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 61 transitions. Word has length 17 [2024-11-10 18:31:23,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:31:23,350 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 61 transitions. [2024-11-10 18:31:23,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 18:31:23,350 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 61 transitions. [2024-11-10 18:31:23,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-10 18:31:23,352 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:31:23,352 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:31:23,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:31:23,353 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:31:23,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:31:23,354 INFO L85 PathProgramCache]: Analyzing trace with hash -516214706, now seen corresponding path program 1 times [2024-11-10 18:31:23,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:31:23,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287220690] [2024-11-10 18:31:23,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:31:23,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:31:23,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:23,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 18:31:23,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:23,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 18:31:23,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:23,566 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:31:23,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:31:23,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287220690] [2024-11-10 18:31:23,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287220690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:31:23,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:31:23,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:31:23,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414601913] [2024-11-10 18:31:23,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:31:23,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:31:23,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:31:23,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:31:23,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:31:23,574 INFO L87 Difference]: Start difference. First operand 55 states and 61 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 18:31:23,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:31:23,688 INFO L93 Difference]: Finished difference Result 118 states and 138 transitions. [2024-11-10 18:31:23,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:31:23,689 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2024-11-10 18:31:23,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:31:23,692 INFO L225 Difference]: With dead ends: 118 [2024-11-10 18:31:23,692 INFO L226 Difference]: Without dead ends: 72 [2024-11-10 18:31:23,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:31:23,694 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 65 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:31:23,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 86 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:31:23,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-10 18:31:23,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 69. [2024-11-10 18:31:23,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 54 states have (on average 1.3518518518518519) internal successors, (73), 65 states have internal predecessors, (73), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 18:31:23,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 77 transitions. [2024-11-10 18:31:23,706 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 77 transitions. Word has length 18 [2024-11-10 18:31:23,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:31:23,708 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 77 transitions. [2024-11-10 18:31:23,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 18:31:23,708 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2024-11-10 18:31:23,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-10 18:31:23,709 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:31:23,709 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:31:23,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 18:31:23,709 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:31:23,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:31:23,710 INFO L85 PathProgramCache]: Analyzing trace with hash -491981179, now seen corresponding path program 1 times [2024-11-10 18:31:23,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:31:23,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270208747] [2024-11-10 18:31:23,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:31:23,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:31:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:23,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 18:31:23,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:23,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 18:31:23,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:23,853 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:31:23,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:31:23,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270208747] [2024-11-10 18:31:23,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270208747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:31:23,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:31:23,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:31:23,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553173522] [2024-11-10 18:31:23,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:31:23,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:31:23,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:31:23,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:31:23,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:31:23,860 INFO L87 Difference]: Start difference. First operand 69 states and 77 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 18:31:23,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:31:23,909 INFO L93 Difference]: Finished difference Result 129 states and 144 transitions. [2024-11-10 18:31:23,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:31:23,912 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2024-11-10 18:31:23,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:31:23,913 INFO L225 Difference]: With dead ends: 129 [2024-11-10 18:31:23,913 INFO L226 Difference]: Without dead ends: 85 [2024-11-10 18:31:23,914 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:31:23,915 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 38 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:31:23,916 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 104 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:31:23,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-10 18:31:23,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 82. [2024-11-10 18:31:23,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 67 states have (on average 1.328358208955224) internal successors, (89), 78 states have internal predecessors, (89), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 18:31:23,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 93 transitions. [2024-11-10 18:31:23,933 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 93 transitions. Word has length 21 [2024-11-10 18:31:23,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:31:23,933 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 93 transitions. [2024-11-10 18:31:23,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 18:31:23,933 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2024-11-10 18:31:23,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-10 18:31:23,934 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:31:23,934 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:31:23,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 18:31:23,936 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:31:23,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:31:23,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1916968009, now seen corresponding path program 1 times [2024-11-10 18:31:23,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:31:23,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187623231] [2024-11-10 18:31:23,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:31:23,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:31:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:24,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 18:31:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:24,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 18:31:24,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:24,041 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:31:24,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:31:24,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187623231] [2024-11-10 18:31:24,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187623231] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:31:24,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1850705271] [2024-11-10 18:31:24,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:31:24,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:31:24,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:31:24,045 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:31:24,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 18:31:24,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:24,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:31:24,153 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:31:24,202 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:31:24,202 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:31:24,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1850705271] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:31:24,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:31:24,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-10 18:31:24,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648171658] [2024-11-10 18:31:24,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:31:24,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:31:24,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:31:24,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:31:24,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:31:24,205 INFO L87 Difference]: Start difference. First operand 82 states and 93 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 18:31:24,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:31:24,286 INFO L93 Difference]: Finished difference Result 86 states and 97 transitions. [2024-11-10 18:31:24,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:31:24,287 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2024-11-10 18:31:24,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:31:24,288 INFO L225 Difference]: With dead ends: 86 [2024-11-10 18:31:24,288 INFO L226 Difference]: Without dead ends: 83 [2024-11-10 18:31:24,288 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:31:24,289 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 22 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:31:24,290 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 112 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:31:24,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-10 18:31:24,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 79. [2024-11-10 18:31:24,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 67 states have (on average 1.2686567164179106) internal successors, (85), 75 states have internal predecessors, (85), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 18:31:24,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 89 transitions. [2024-11-10 18:31:24,297 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 89 transitions. Word has length 23 [2024-11-10 18:31:24,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:31:24,297 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 89 transitions. [2024-11-10 18:31:24,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 18:31:24,298 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 89 transitions. [2024-11-10 18:31:24,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-10 18:31:24,298 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:31:24,299 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:31:24,318 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-10 18:31:24,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:31:24,500 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:31:24,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:31:24,500 INFO L85 PathProgramCache]: Analyzing trace with hash 703533901, now seen corresponding path program 1 times [2024-11-10 18:31:24,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:31:24,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906072473] [2024-11-10 18:31:24,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:31:24,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:31:24,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:24,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 18:31:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:24,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 18:31:24,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:24,594 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:31:24,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:31:24,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906072473] [2024-11-10 18:31:24,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906072473] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:31:24,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24679110] [2024-11-10 18:31:24,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:31:24,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:31:24,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:31:24,597 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:31:24,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 18:31:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:24,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:31:24,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:31:24,760 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:31:24,761 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:31:24,811 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:31:24,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [24679110] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:31:24,811 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:31:24,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-10 18:31:24,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107753930] [2024-11-10 18:31:24,812 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:31:24,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 18:31:24,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:31:24,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 18:31:24,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:31:24,813 INFO L87 Difference]: Start difference. First operand 79 states and 89 transitions. Second operand has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 18:31:24,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:31:24,942 INFO L93 Difference]: Finished difference Result 148 states and 179 transitions. [2024-11-10 18:31:24,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:31:24,942 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2024-11-10 18:31:24,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:31:24,944 INFO L225 Difference]: With dead ends: 148 [2024-11-10 18:31:24,948 INFO L226 Difference]: Without dead ends: 145 [2024-11-10 18:31:24,948 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:31:24,949 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 82 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:31:24,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 125 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:31:24,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-11-10 18:31:24,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2024-11-10 18:31:24,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 133 states have (on average 1.2255639097744362) internal successors, (163), 141 states have internal predecessors, (163), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 18:31:24,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 167 transitions. [2024-11-10 18:31:24,971 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 167 transitions. Word has length 24 [2024-11-10 18:31:24,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:31:24,971 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 167 transitions. [2024-11-10 18:31:24,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 18:31:24,972 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 167 transitions. [2024-11-10 18:31:24,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-10 18:31:24,973 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:31:24,973 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:31:24,989 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-10 18:31:25,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:31:25,178 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:31:25,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:31:25,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1449992993, now seen corresponding path program 1 times [2024-11-10 18:31:25,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:31:25,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661286473] [2024-11-10 18:31:25,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:31:25,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:31:25,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:25,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 18:31:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:25,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 18:31:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:25,254 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 18:31:25,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:31:25,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661286473] [2024-11-10 18:31:25,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661286473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:31:25,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:31:25,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:31:25,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642504928] [2024-11-10 18:31:25,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:31:25,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:31:25,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:31:25,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:31:25,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:31:25,257 INFO L87 Difference]: Start difference. First operand 145 states and 167 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 18:31:25,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:31:25,309 INFO L93 Difference]: Finished difference Result 220 states and 253 transitions. [2024-11-10 18:31:25,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:31:25,309 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2024-11-10 18:31:25,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:31:25,310 INFO L225 Difference]: With dead ends: 220 [2024-11-10 18:31:25,310 INFO L226 Difference]: Without dead ends: 145 [2024-11-10 18:31:25,311 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:31:25,312 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 47 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:31:25,312 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 84 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:31:25,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-11-10 18:31:25,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2024-11-10 18:31:25,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 133 states have (on average 1.2105263157894737) internal successors, (161), 141 states have internal predecessors, (161), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 18:31:25,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 165 transitions. [2024-11-10 18:31:25,331 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 165 transitions. Word has length 33 [2024-11-10 18:31:25,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:31:25,331 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 165 transitions. [2024-11-10 18:31:25,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 18:31:25,331 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 165 transitions. [2024-11-10 18:31:25,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-10 18:31:25,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:31:25,335 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:31:25,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 18:31:25,335 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:31:25,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:31:25,335 INFO L85 PathProgramCache]: Analyzing trace with hash 304404752, now seen corresponding path program 1 times [2024-11-10 18:31:25,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:31:25,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390907738] [2024-11-10 18:31:25,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:31:25,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:31:25,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:25,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 18:31:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:25,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 18:31:25,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:25,404 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 18:31:25,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:31:25,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390907738] [2024-11-10 18:31:25,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390907738] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:31:25,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287166792] [2024-11-10 18:31:25,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:31:25,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:31:25,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:31:25,408 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:31:25,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 18:31:25,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:25,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:31:25,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:31:25,540 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-10 18:31:25,540 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:31:25,601 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-10 18:31:25,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [287166792] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:31:25,601 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:31:25,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5, 5] total 10 [2024-11-10 18:31:25,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627708160] [2024-11-10 18:31:25,602 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:31:25,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 18:31:25,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:31:25,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 18:31:25,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-10 18:31:25,605 INFO L87 Difference]: Start difference. First operand 145 states and 165 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 18:31:26,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:31:26,029 INFO L93 Difference]: Finished difference Result 328 states and 377 transitions. [2024-11-10 18:31:26,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 18:31:26,029 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 35 [2024-11-10 18:31:26,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:31:26,032 INFO L225 Difference]: With dead ends: 328 [2024-11-10 18:31:26,032 INFO L226 Difference]: Without dead ends: 218 [2024-11-10 18:31:26,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-11-10 18:31:26,033 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 482 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 18:31:26,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 153 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 18:31:26,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-10 18:31:26,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 208. [2024-11-10 18:31:26,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 199 states have (on average 1.150753768844221) internal successors, (229), 204 states have internal predecessors, (229), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 18:31:26,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 233 transitions. [2024-11-10 18:31:26,058 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 233 transitions. Word has length 35 [2024-11-10 18:31:26,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:31:26,059 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 233 transitions. [2024-11-10 18:31:26,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 18:31:26,063 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 233 transitions. [2024-11-10 18:31:26,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-10 18:31:26,064 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:31:26,064 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:31:26,080 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 18:31:26,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:31:26,265 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:31:26,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:31:26,265 INFO L85 PathProgramCache]: Analyzing trace with hash 879587891, now seen corresponding path program 2 times [2024-11-10 18:31:26,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:31:26,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574592871] [2024-11-10 18:31:26,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:31:26,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:31:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:26,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 18:31:26,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:26,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 18:31:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:26,342 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-10 18:31:26,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:31:26,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574592871] [2024-11-10 18:31:26,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574592871] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:31:26,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [499972704] [2024-11-10 18:31:26,343 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:31:26,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:31:26,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:31:26,345 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:31:26,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 18:31:26,409 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 18:31:26,410 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:31:26,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:31:26,411 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:31:26,457 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-10 18:31:26,457 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:31:26,509 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-10 18:31:26,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [499972704] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:31:26,510 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:31:26,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-10 18:31:26,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010935420] [2024-11-10 18:31:26,510 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:31:26,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:31:26,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:31:26,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:31:26,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:31:26,512 INFO L87 Difference]: Start difference. First operand 208 states and 233 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 18:31:26,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:31:26,577 INFO L93 Difference]: Finished difference Result 208 states and 233 transitions. [2024-11-10 18:31:26,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:31:26,577 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 39 [2024-11-10 18:31:26,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:31:26,578 INFO L225 Difference]: With dead ends: 208 [2024-11-10 18:31:26,578 INFO L226 Difference]: Without dead ends: 207 [2024-11-10 18:31:26,579 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:31:26,581 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 84 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:31:26,581 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 116 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:31:26,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-10 18:31:26,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 203. [2024-11-10 18:31:26,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 195 states have (on average 1.1435897435897435) internal successors, (223), 199 states have internal predecessors, (223), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 18:31:26,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 227 transitions. [2024-11-10 18:31:26,603 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 227 transitions. Word has length 39 [2024-11-10 18:31:26,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:31:26,604 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 227 transitions. [2024-11-10 18:31:26,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 18:31:26,604 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 227 transitions. [2024-11-10 18:31:26,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-10 18:31:26,605 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:31:26,606 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:31:26,628 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 18:31:26,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:31:26,806 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:31:26,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:31:26,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1746561892, now seen corresponding path program 1 times [2024-11-10 18:31:26,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:31:26,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941972291] [2024-11-10 18:31:26,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:31:26,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:31:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:26,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 18:31:26,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:26,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 18:31:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:26,877 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-10 18:31:26,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:31:26,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941972291] [2024-11-10 18:31:26,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941972291] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:31:26,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [990615688] [2024-11-10 18:31:26,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:31:26,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:31:26,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:31:26,879 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:31:26,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 18:31:26,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:26,951 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 18:31:26,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:31:27,085 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 2 proven. 38 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-10 18:31:27,085 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:31:27,190 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 2 proven. 38 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-10 18:31:27,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [990615688] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:31:27,190 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:31:27,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 8, 8] total 16 [2024-11-10 18:31:27,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130171197] [2024-11-10 18:31:27,191 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:31:27,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 18:31:27,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:31:27,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 18:31:27,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2024-11-10 18:31:27,193 INFO L87 Difference]: Start difference. First operand 203 states and 227 transitions. Second operand has 16 states, 16 states have (on average 6.875) internal successors, (110), 16 states have internal predecessors, (110), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 18:31:27,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:31:27,992 INFO L93 Difference]: Finished difference Result 787 states and 935 transitions. [2024-11-10 18:31:27,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-10 18:31:27,992 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.875) internal successors, (110), 16 states have internal predecessors, (110), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 66 [2024-11-10 18:31:27,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:31:27,995 INFO L225 Difference]: With dead ends: 787 [2024-11-10 18:31:27,995 INFO L226 Difference]: Without dead ends: 617 [2024-11-10 18:31:27,997 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=643, Invalid=1163, Unknown=0, NotChecked=0, Total=1806 [2024-11-10 18:31:27,997 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 1540 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1540 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 18:31:27,997 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1540 Valid, 177 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 18:31:27,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2024-11-10 18:31:28,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 424. [2024-11-10 18:31:28,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 416 states have (on average 1.1129807692307692) internal successors, (463), 420 states have internal predecessors, (463), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 18:31:28,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 467 transitions. [2024-11-10 18:31:28,022 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 467 transitions. Word has length 66 [2024-11-10 18:31:28,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:31:28,022 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 467 transitions. [2024-11-10 18:31:28,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.875) internal successors, (110), 16 states have internal predecessors, (110), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 18:31:28,023 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 467 transitions. [2024-11-10 18:31:28,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-10 18:31:28,024 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:31:28,024 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 6, 6, 6, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:31:28,042 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 18:31:28,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:31:28,225 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:31:28,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:31:28,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1782107418, now seen corresponding path program 1 times [2024-11-10 18:31:28,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:31:28,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399924083] [2024-11-10 18:31:28,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:31:28,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:31:28,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:28,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 18:31:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:28,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 18:31:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:28,359 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2024-11-10 18:31:28,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:31:28,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399924083] [2024-11-10 18:31:28,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399924083] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:31:28,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [980147557] [2024-11-10 18:31:28,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:31:28,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:31:28,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:31:28,362 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:31:28,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 18:31:28,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:28,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 18:31:28,477 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:31:28,795 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 2 proven. 245 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-11-10 18:31:28,798 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:31:29,079 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 2 proven. 245 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-11-10 18:31:29,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [980147557] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:31:29,079 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:31:29,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 14, 14] total 28 [2024-11-10 18:31:29,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221595694] [2024-11-10 18:31:29,080 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:31:29,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-10 18:31:29,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:31:29,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-10 18:31:29,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=318, Invalid=438, Unknown=0, NotChecked=0, Total=756 [2024-11-10 18:31:29,082 INFO L87 Difference]: Start difference. First operand 424 states and 467 transitions. Second operand has 28 states, 28 states have (on average 5.535714285714286) internal successors, (155), 28 states have internal predecessors, (155), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 18:31:29,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:31:29,779 INFO L93 Difference]: Finished difference Result 1212 states and 1415 transitions. [2024-11-10 18:31:29,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-10 18:31:29,780 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 5.535714285714286) internal successors, (155), 28 states have internal predecessors, (155), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 104 [2024-11-10 18:31:29,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:31:29,784 INFO L225 Difference]: With dead ends: 1212 [2024-11-10 18:31:29,784 INFO L226 Difference]: Without dead ends: 851 [2024-11-10 18:31:29,786 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 593 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=990, Invalid=1662, Unknown=0, NotChecked=0, Total=2652 [2024-11-10 18:31:29,786 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 599 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 599 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 18:31:29,787 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [599 Valid, 334 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 18:31:29,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2024-11-10 18:31:29,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 455. [2024-11-10 18:31:29,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 449 states have (on average 1.0378619153674833) internal successors, (466), 451 states have internal predecessors, (466), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 18:31:29,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 470 transitions. [2024-11-10 18:31:29,810 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 470 transitions. Word has length 104 [2024-11-10 18:31:29,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:31:29,811 INFO L471 AbstractCegarLoop]: Abstraction has 455 states and 470 transitions. [2024-11-10 18:31:29,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 5.535714285714286) internal successors, (155), 28 states have internal predecessors, (155), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 18:31:29,811 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 470 transitions. [2024-11-10 18:31:29,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-10 18:31:29,813 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:31:29,813 INFO L215 NwaCegarLoop]: trace histogram [24, 23, 23, 23, 23, 6, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:31:29,832 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-10 18:31:30,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:31:30,018 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:31:30,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:31:30,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1527504858, now seen corresponding path program 2 times [2024-11-10 18:31:30,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:31:30,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40094591] [2024-11-10 18:31:30,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:31:30,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:31:30,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:30,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 18:31:30,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:30,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 18:31:30,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:30,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1369 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 1343 trivial. 0 not checked. [2024-11-10 18:31:30,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:31:30,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40094591] [2024-11-10 18:31:30,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40094591] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:31:30,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [559758407] [2024-11-10 18:31:30,181 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:31:30,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:31:30,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:31:30,183 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:31:30,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 18:31:30,271 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 18:31:30,272 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:31:30,272 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:31:30,275 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:31:30,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1369 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 1343 trivial. 0 not checked. [2024-11-10 18:31:30,456 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:31:30,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1369 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 1343 trivial. 0 not checked. [2024-11-10 18:31:30,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [559758407] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:31:30,668 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:31:30,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-10 18:31:30,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10612983] [2024-11-10 18:31:30,668 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:31:30,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:31:30,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:31:30,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:31:30,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:31:30,670 INFO L87 Difference]: Start difference. First operand 455 states and 470 transitions. Second operand has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 18:31:30,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:31:30,739 INFO L93 Difference]: Finished difference Result 455 states and 470 transitions. [2024-11-10 18:31:30,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:31:30,739 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 173 [2024-11-10 18:31:30,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:31:30,741 INFO L225 Difference]: With dead ends: 455 [2024-11-10 18:31:30,741 INFO L226 Difference]: Without dead ends: 375 [2024-11-10 18:31:30,742 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 347 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:31:30,742 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 80 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:31:30,743 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 67 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:31:30,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2024-11-10 18:31:30,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2024-11-10 18:31:30,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 371 states have (on average 1.0107816711590296) internal successors, (375), 371 states have internal predecessors, (375), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 18:31:30,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 379 transitions. [2024-11-10 18:31:30,758 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 379 transitions. Word has length 173 [2024-11-10 18:31:30,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:31:30,758 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 379 transitions. [2024-11-10 18:31:30,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 18:31:30,758 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 379 transitions. [2024-11-10 18:31:30,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2024-11-10 18:31:30,762 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:31:30,762 INFO L215 NwaCegarLoop]: trace histogram [72, 69, 69, 69, 69, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:31:30,779 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-10 18:31:30,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:31:30,967 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-10 18:31:30,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:31:30,967 INFO L85 PathProgramCache]: Analyzing trace with hash 190526387, now seen corresponding path program 1 times [2024-11-10 18:31:30,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:31:30,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952310845] [2024-11-10 18:31:30,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:31:30,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:31:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:31,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 18:31:31,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:31,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 18:31:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:31,320 INFO L134 CoverageAnalysis]: Checked inductivity of 12167 backedges. 0 proven. 5482 refuted. 0 times theorem prover too weak. 6685 trivial. 0 not checked. [2024-11-10 18:31:31,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:31:31,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952310845] [2024-11-10 18:31:31,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952310845] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:31:31,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [11493929] [2024-11-10 18:31:31,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:31:31,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:31:31,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:31:31,323 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:31:31,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 18:31:31,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:31:31,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 929 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-10 18:31:31,557 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:31:32,302 INFO L134 CoverageAnalysis]: Checked inductivity of 12167 backedges. 5482 proven. 1311 refuted. 0 times theorem prover too weak. 5374 trivial. 0 not checked. [2024-11-10 18:31:32,302 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:31:33,041 INFO L134 CoverageAnalysis]: Checked inductivity of 12167 backedges. 5482 proven. 1311 refuted. 0 times theorem prover too weak. 5374 trivial. 0 not checked. [2024-11-10 18:31:33,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [11493929] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:31:33,041 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:31:33,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 27, 27] total 54 [2024-11-10 18:31:33,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201391972] [2024-11-10 18:31:33,041 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:31:33,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-11-10 18:31:33,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:31:33,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-11-10 18:31:33,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1282, Invalid=1580, Unknown=0, NotChecked=0, Total=2862 [2024-11-10 18:31:33,046 INFO L87 Difference]: Start difference. First operand 375 states and 379 transitions. Second operand has 54 states, 54 states have (on average 5.185185185185185) internal successors, (280), 54 states have internal predecessors, (280), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 18:31:34,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:31:34,700 INFO L93 Difference]: Finished difference Result 996 states and 1078 transitions. [2024-11-10 18:31:34,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-11-10 18:31:34,701 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 54 states have (on average 5.185185185185185) internal successors, (280), 54 states have internal predecessors, (280), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 378 [2024-11-10 18:31:34,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:31:34,701 INFO L225 Difference]: With dead ends: 996 [2024-11-10 18:31:34,701 INFO L226 Difference]: Without dead ends: 0 [2024-11-10 18:31:34,704 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 811 GetRequests, 709 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2074 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=3982, Invalid=6730, Unknown=0, NotChecked=0, Total=10712 [2024-11-10 18:31:34,704 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 138 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:31:34,705 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 127 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:31:34,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-10 18:31:34,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-10 18:31:34,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:31:34,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-10 18:31:34,705 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 378 [2024-11-10 18:31:34,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:31:34,706 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 18:31:34,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 5.185185185185185) internal successors, (280), 54 states have internal predecessors, (280), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 18:31:34,706 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-10 18:31:34,706 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-10 18:31:34,709 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2024-11-10 18:31:34,709 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2024-11-10 18:31:34,709 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2024-11-10 18:31:34,709 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2024-11-10 18:31:34,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2024-11-10 18:31:34,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2024-11-10 18:31:34,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2024-11-10 18:31:34,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2024-11-10 18:31:34,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2024-11-10 18:31:34,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2024-11-10 18:31:34,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2024-11-10 18:31:34,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2024-11-10 18:31:34,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-10 18:31:34,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-10 18:31:34,914 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:31:34,916 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-10 18:31:38,727 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 18:31:38,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 06:31:38 BoogieIcfgContainer [2024-11-10 18:31:38,747 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 18:31:38,747 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 18:31:38,747 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 18:31:38,748 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 18:31:38,748 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:31:22" (3/4) ... [2024-11-10 18:31:38,752 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 18:31:38,756 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-10 18:31:38,761 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2024-11-10 18:31:38,762 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-10 18:31:38,762 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 18:31:38,762 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 18:31:38,846 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 18:31:38,846 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 18:31:38,846 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 18:31:38,847 INFO L158 Benchmark]: Toolchain (without parser) took 16827.49ms. Allocated memory was 138.4MB in the beginning and 373.3MB in the end (delta: 234.9MB). Free memory was 82.8MB in the beginning and 283.6MB in the end (delta: -200.8MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2024-11-10 18:31:38,847 INFO L158 Benchmark]: CDTParser took 0.93ms. Allocated memory is still 138.4MB. Free memory is still 110.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 18:31:38,847 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.35ms. Allocated memory is still 138.4MB. Free memory was 82.8MB in the beginning and 70.0MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-10 18:31:38,847 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.02ms. Allocated memory is still 138.4MB. Free memory was 70.0MB in the beginning and 68.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 18:31:38,848 INFO L158 Benchmark]: Boogie Preprocessor took 61.91ms. Allocated memory is still 138.4MB. Free memory was 68.2MB in the beginning and 66.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 18:31:38,848 INFO L158 Benchmark]: IcfgBuilder took 441.97ms. Allocated memory is still 138.4MB. Free memory was 66.5MB in the beginning and 51.0MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-10 18:31:38,848 INFO L158 Benchmark]: TraceAbstraction took 15927.13ms. Allocated memory was 138.4MB in the beginning and 373.3MB in the end (delta: 234.9MB). Free memory was 50.5MB in the beginning and 288.9MB in the end (delta: -238.4MB). Peak memory consumption was 172.4MB. Max. memory is 16.1GB. [2024-11-10 18:31:38,848 INFO L158 Benchmark]: Witness Printer took 98.83ms. Allocated memory is still 373.3MB. Free memory was 288.9MB in the beginning and 283.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 18:31:38,850 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.93ms. Allocated memory is still 138.4MB. Free memory is still 110.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.35ms. Allocated memory is still 138.4MB. Free memory was 82.8MB in the beginning and 70.0MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.02ms. Allocated memory is still 138.4MB. Free memory was 70.0MB in the beginning and 68.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.91ms. Allocated memory is still 138.4MB. Free memory was 68.2MB in the beginning and 66.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 441.97ms. Allocated memory is still 138.4MB. Free memory was 66.5MB in the beginning and 51.0MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 15927.13ms. Allocated memory was 138.4MB in the beginning and 373.3MB in the end (delta: 234.9MB). Free memory was 50.5MB in the beginning and 288.9MB in the end (delta: -238.4MB). Peak memory consumption was 172.4MB. Max. memory is 16.1GB. * Witness Printer took 98.83ms. Allocated memory is still 373.3MB. Free memory was 288.9MB in the beginning and 283.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 69]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 69]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: 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, 61 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 12.0s, OverallIterations: 12, TraceHistogramMax: 72, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3177 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3177 mSDsluCounter, 1551 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1076 mSDsCounter, 325 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1412 IncrementalHoareTripleChecker+Invalid, 1737 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 325 mSolverCounterUnsat, 475 mSDtfsCounter, 1412 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1876 GetRequests, 1639 SyntacticMatches, 0 SemanticMatches, 237 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3191 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=455occurred in iteration=10, InterpolantAutomatonStates: 160, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 613 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 1773 NumberOfCodeBlocks, 1592 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 2565 ConstructedInterpolants, 0 QuantifiedInterpolants, 6953 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1842 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 27 InterpolantComputations, 5 PerfectInterpolantSequences, 33204/42034 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 12 specifications checked. All of them hold - InvariantResult [Line: 47]: Location Invariant Derived location invariant: null - InvariantResult [Line: 34]: Location Invariant Derived location invariant: null - InvariantResult [Line: 61]: Location Invariant Derived location invariant: null - InvariantResult [Line: 63]: Location Invariant Derived location invariant: null - InvariantResult [Line: 45]: Location Invariant Derived location invariant: null - InvariantResult [Line: 32]: Location Invariant Derived location invariant: null RESULT: Ultimate proved your program to be correct! [2024-11-10 18:31:38,874 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE