./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark25_linear.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7add6a-d74a-43d4-ba1f-f22a747b81a5/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7add6a-d74a-43d4-ba1f-f22a747b81a5/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7add6a-d74a-43d4-ba1f-f22a747b81a5/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7add6a-d74a-43d4-ba1f-f22a747b81a5/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark25_linear.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7add6a-d74a-43d4-ba1f-f22a747b81a5/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7add6a-d74a-43d4-ba1f-f22a747b81a5/bin/uautomizer-verify-qhAvR1uOyd --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 1130d3df8d11f3be805af96558350a1bd8faf89323cc035b32267e4a54793a8c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 12:47:51,971 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:47:52,067 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7add6a-d74a-43d4-ba1f-f22a747b81a5/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-13 12:47:52,074 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:47:52,074 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:47:52,109 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:47:52,111 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:47:52,111 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:47:52,112 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 12:47:52,112 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 12:47:52,113 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 12:47:52,113 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 12:47:52,114 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:47:52,114 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:47:52,114 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:47:52,114 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:47:52,114 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 12:47:52,116 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 12:47:52,116 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 12:47:52,116 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 12:47:52,116 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:47:52,116 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 12:47:52,117 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 12:47:52,117 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 12:47:52,117 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:47:52,117 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 12:47:52,117 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 12:47:52,117 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 12:47:52,117 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 12:47:52,117 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:47:52,118 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:47:52,118 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:47:52,118 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 12:47:52,118 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 12:47:52,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:47:52,118 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:47:52,118 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 12:47:52,118 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 12:47:52,118 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 12:47:52,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 12:47:52,119 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 12:47:52,119 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 12:47:52,119 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 12:47:52,119 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 12:47:52,119 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7add6a-d74a-43d4-ba1f-f22a747b81a5/bin/uautomizer-verify-qhAvR1uOyd 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 -> 1130d3df8d11f3be805af96558350a1bd8faf89323cc035b32267e4a54793a8c [2024-11-13 12:47:52,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:47:52,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:47:52,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:47:52,465 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:47:52,465 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:47:52,467 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7add6a-d74a-43d4-ba1f-f22a747b81a5/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/loop-zilu/benchmark25_linear.i Unable to find full path for "g++" [2024-11-13 12:47:54,416 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:47:54,680 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:47:54,681 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7add6a-d74a-43d4-ba1f-f22a747b81a5/sv-benchmarks/c/loop-zilu/benchmark25_linear.i [2024-11-13 12:47:54,689 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7add6a-d74a-43d4-ba1f-f22a747b81a5/bin/uautomizer-verify-qhAvR1uOyd/data/b2192cb38/d7a46770f1f740f3a03a3d4fe6831301/FLAG855127161 [2024-11-13 12:47:54,713 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7add6a-d74a-43d4-ba1f-f22a747b81a5/bin/uautomizer-verify-qhAvR1uOyd/data/b2192cb38/d7a46770f1f740f3a03a3d4fe6831301 [2024-11-13 12:47:54,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:47:54,717 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:47:54,720 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:47:54,720 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:47:54,725 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:47:54,726 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:47:54" (1/1) ... [2024-11-13 12:47:54,727 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@599312c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:47:54, skipping insertion in model container [2024-11-13 12:47:54,729 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:47:54" (1/1) ... [2024-11-13 12:47:54,746 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:47:54,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:47:54,936 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:47:54,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:47:54,969 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:47:54,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:47:54 WrapperNode [2024-11-13 12:47:54,970 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:47:54,971 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:47:54,972 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:47:54,973 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:47:54,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:47:54" (1/1) ... [2024-11-13 12:47:54,990 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:47:54" (1/1) ... [2024-11-13 12:47:55,006 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 29 [2024-11-13 12:47:55,006 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:47:55,008 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:47:55,008 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:47:55,008 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:47:55,017 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:47:54" (1/1) ... [2024-11-13 12:47:55,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:47:54" (1/1) ... [2024-11-13 12:47:55,018 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:47:54" (1/1) ... [2024-11-13 12:47:55,029 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 12:47:55,029 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:47:54" (1/1) ... [2024-11-13 12:47:55,031 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:47:54" (1/1) ... [2024-11-13 12:47:55,033 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:47:54" (1/1) ... [2024-11-13 12:47:55,040 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:47:54" (1/1) ... [2024-11-13 12:47:55,041 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:47:54" (1/1) ... [2024-11-13 12:47:55,043 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:47:54" (1/1) ... [2024-11-13 12:47:55,044 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:47:55,046 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:47:55,047 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:47:55,047 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:47:55,048 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:47:54" (1/1) ... [2024-11-13 12:47:55,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:47:55,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7add6a-d74a-43d4-ba1f-f22a747b81a5/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:47:55,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7add6a-d74a-43d4-ba1f-f22a747b81a5/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 12:47:55,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7add6a-d74a-43d4-ba1f-f22a747b81a5/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 12:47:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 12:47:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 12:47:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:47:55,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:47:55,186 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:47:55,188 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:47:55,311 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-13 12:47:55,315 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:47:55,327 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:47:55,327 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 12:47:55,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:47:55 BoogieIcfgContainer [2024-11-13 12:47:55,328 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:47:55,333 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 12:47:55,334 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 12:47:55,339 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 12:47:55,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 12:47:54" (1/3) ... [2024-11-13 12:47:55,340 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28fb9656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:47:55, skipping insertion in model container [2024-11-13 12:47:55,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:47:54" (2/3) ... [2024-11-13 12:47:55,340 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28fb9656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:47:55, skipping insertion in model container [2024-11-13 12:47:55,341 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:47:55" (3/3) ... [2024-11-13 12:47:55,342 INFO L112 eAbstractionObserver]: Analyzing ICFG benchmark25_linear.i [2024-11-13 12:47:55,361 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 12:47:55,364 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG benchmark25_linear.i that has 1 procedures, 16 locations, 1 initial locations, 1 loop locations, and 2 error locations. [2024-11-13 12:47:55,423 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 12:47:55,437 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;@7e28d2a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:47:55,437 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 12:47:55,441 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:47:55,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 12:47:55,447 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:47:55,448 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-13 12:47:55,449 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 12:47:55,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:47:55,456 INFO L85 PathProgramCache]: Analyzing trace with hash 28695941, now seen corresponding path program 1 times [2024-11-13 12:47:55,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:47:55,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208765883] [2024-11-13 12:47:55,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:47:55,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:47:55,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:47:55,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:47:55,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:47:55,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208765883] [2024-11-13 12:47:55,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208765883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:47:55,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:47:55,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:47:55,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456789354] [2024-11-13 12:47:55,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:47:55,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:47:55,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:47:55,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:47:55,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:47:55,685 INFO L87 Difference]: Start difference. First operand has 16 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:47:55,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:47:55,731 INFO L93 Difference]: Finished difference Result 23 states and 28 transitions. [2024-11-13 12:47:55,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:47:55,734 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-13 12:47:55,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:47:55,741 INFO L225 Difference]: With dead ends: 23 [2024-11-13 12:47:55,742 INFO L226 Difference]: Without dead ends: 7 [2024-11-13 12:47:55,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:47:55,752 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:47:55,753 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 12 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:47:55,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2024-11-13 12:47:55,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2024-11-13 12:47:55,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 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) [2024-11-13 12:47:55,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2024-11-13 12:47:55,792 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2024-11-13 12:47:55,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:47:55,792 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2024-11-13 12:47:55,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:47:55,793 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2024-11-13 12:47:55,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 12:47:55,793 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:47:55,794 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-13 12:47:55,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 12:47:55,795 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 12:47:55,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:47:55,796 INFO L85 PathProgramCache]: Analyzing trace with hash 889574220, now seen corresponding path program 1 times [2024-11-13 12:47:55,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:47:55,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660809077] [2024-11-13 12:47:55,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:47:55,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:47:55,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:47:55,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:47:55,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:47:55,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660809077] [2024-11-13 12:47:55,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660809077] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:47:55,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:47:55,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:47:55,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388976159] [2024-11-13 12:47:55,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:47:55,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:47:55,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:47:55,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:47:55,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:47:55,880 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-11-13 12:47:55,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:47:55,917 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2024-11-13 12:47:55,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:47:55,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-13 12:47:55,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:47:55,918 INFO L225 Difference]: With dead ends: 11 [2024-11-13 12:47:55,918 INFO L226 Difference]: Without dead ends: 10 [2024-11-13 12:47:55,919 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:47:55,920 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:47:55,920 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:47:55,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-13 12:47:55,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2024-11-13 12:47:55,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:47:55,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2024-11-13 12:47:55,929 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 6 [2024-11-13 12:47:55,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:47:55,930 INFO L471 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2024-11-13 12:47:55,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-11-13 12:47:55,930 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2024-11-13 12:47:55,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 12:47:55,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:47:55,931 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2024-11-13 12:47:55,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 12:47:55,931 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-13 12:47:55,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:47:55,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1357416451, now seen corresponding path program 1 times [2024-11-13 12:47:55,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:47:55,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99630126] [2024-11-13 12:47:55,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:47:55,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:47:55,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:47:56,007 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 12:47:56,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:47:56,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99630126] [2024-11-13 12:47:56,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99630126] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:47:56,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:47:56,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:47:56,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148213256] [2024-11-13 12:47:56,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:47:56,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:47:56,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:47:56,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:47:56,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:47:56,011 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-11-13 12:47:56,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:47:56,039 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2024-11-13 12:47:56,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:47:56,040 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-13 12:47:56,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:47:56,041 INFO L225 Difference]: With dead ends: 10 [2024-11-13 12:47:56,041 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 12:47:56,041 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:47:56,043 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:47:56,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:47:56,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 12:47:56,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 12:47:56,049 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) [2024-11-13 12:47:56,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 12:47:56,049 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2024-11-13 12:47:56,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:47:56,049 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 12:47:56,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-11-13 12:47:56,050 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 12:47:56,050 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 12:47:56,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-13 12:47:56,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-13 12:47:56,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 12:47:56,059 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-13 12:47:56,062 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 12:47:56,084 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 12:47:56,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 12:47:56 BoogieIcfgContainer [2024-11-13 12:47:56,102 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 12:47:56,103 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 12:47:56,103 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 12:47:56,105 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 12:47:56,106 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:47:55" (3/4) ... [2024-11-13 12:47:56,108 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 12:47:56,116 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-13 12:47:56,117 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 12:47:56,117 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 12:47:56,117 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 12:47:56,204 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7add6a-d74a-43d4-ba1f-f22a747b81a5/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 12:47:56,205 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7add6a-d74a-43d4-ba1f-f22a747b81a5/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 12:47:56,205 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 12:47:56,207 INFO L158 Benchmark]: Toolchain (without parser) took 1489.69ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 66.1MB in the end (delta: 51.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 12:47:56,207 INFO L158 Benchmark]: CDTParser took 1.38ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:47:56,208 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.70ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 107.2MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 12:47:56,209 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.96ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 106.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:47:56,210 INFO L158 Benchmark]: Boogie Preprocessor took 37.04ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 105.1MB in the end (delta: 975.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:47:56,210 INFO L158 Benchmark]: RCFGBuilder took 282.13ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 96.0MB in the end (delta: 9.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 12:47:56,210 INFO L158 Benchmark]: TraceAbstraction took 769.06ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 70.6MB in the end (delta: 24.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 12:47:56,210 INFO L158 Benchmark]: Witness Printer took 102.32ms. Allocated memory is still 142.6MB. Free memory was 70.6MB in the beginning and 66.1MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:47:56,215 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.38ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 250.70ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 107.2MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.96ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 106.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.04ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 105.1MB in the end (delta: 975.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 282.13ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 96.0MB in the end (delta: 9.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 769.06ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 70.6MB in the end (delta: 24.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 102.32ms. Allocated memory is still 142.6MB. Free memory was 70.6MB in the beginning and 66.1MB in the end (delta: 4.4MB). There was no memory consumed. 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: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 14 mSDtfsCounter, 25 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 45 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 3/3 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 2 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (0 < (2147483649 + x)) RESULT: Ultimate proved your program to be correct! [2024-11-13 12:47:56,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7add6a-d74a-43d4-ba1f-f22a747b81a5/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE