./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/HenzingerJhalaMajumdarSutre-POPL2002-LockingExample.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc 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/termination-crafted-lit/HenzingerJhalaMajumdarSutre-POPL2002-LockingExample.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 64bit --witnessprinter.graph.data.programhash b7e15211580ea4e53f751b22847dfea4720c9dc42574c861d991d991eb47919b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 10:10:41,993 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 10:10:42,053 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-19 10:10:42,057 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 10:10:42,058 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 10:10:42,081 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 10:10:42,081 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 10:10:42,082 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 10:10:42,082 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 10:10:42,082 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 10:10:42,083 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 10:10:42,083 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 10:10:42,083 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 10:10:42,084 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 10:10:42,084 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 10:10:42,084 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 10:10:42,084 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 10:10:42,084 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 10:10:42,084 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 10:10:42,085 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 10:10:42,085 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 10:10:42,090 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 10:10:42,090 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 10:10:42,090 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 10:10:42,090 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 10:10:42,090 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 10:10:42,090 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 10:10:42,091 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 10:10:42,091 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 10:10:42,091 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 10:10:42,091 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 10:10:42,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:10:42,091 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 10:10:42,091 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 10:10:42,092 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 10:10:42,092 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 10:10:42,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 10:10:42,092 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 10:10:42,092 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 10:10:42,092 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 10:10:42,092 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 10:10:42,093 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7e15211580ea4e53f751b22847dfea4720c9dc42574c861d991d991eb47919b [2024-11-19 10:10:42,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 10:10:42,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 10:10:42,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 10:10:42,332 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 10:10:42,333 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 10:10:42,334 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/HenzingerJhalaMajumdarSutre-POPL2002-LockingExample.c [2024-11-19 10:10:43,664 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 10:10:43,819 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 10:10:43,821 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/HenzingerJhalaMajumdarSutre-POPL2002-LockingExample.c [2024-11-19 10:10:43,830 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36c391cb2/b530735499334793ab683fb00e13de4d/FLAG21465d960 [2024-11-19 10:10:43,847 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36c391cb2/b530735499334793ab683fb00e13de4d [2024-11-19 10:10:43,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 10:10:43,853 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 10:10:43,854 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 10:10:43,855 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 10:10:43,860 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 10:10:43,860 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:10:43" (1/1) ... [2024-11-19 10:10:43,861 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fde3238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:10:43, skipping insertion in model container [2024-11-19 10:10:43,863 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:10:43" (1/1) ... [2024-11-19 10:10:43,881 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 10:10:44,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:10:44,047 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 10:10:44,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:10:44,072 INFO L204 MainTranslator]: Completed translation [2024-11-19 10:10:44,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:10:44 WrapperNode [2024-11-19 10:10:44,073 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 10:10:44,074 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 10:10:44,074 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 10:10:44,074 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 10:10:44,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:10:44" (1/1) ... [2024-11-19 10:10:44,085 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:10:44" (1/1) ... [2024-11-19 10:10:44,098 INFO L138 Inliner]: procedures = 6, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53 [2024-11-19 10:10:44,099 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 10:10:44,100 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 10:10:44,100 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 10:10:44,100 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 10:10:44,108 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:10:44" (1/1) ... [2024-11-19 10:10:44,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:10:44" (1/1) ... [2024-11-19 10:10:44,109 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:10:44" (1/1) ... [2024-11-19 10:10:44,113 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-19 10:10:44,114 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:10:44" (1/1) ... [2024-11-19 10:10:44,114 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:10:44" (1/1) ... [2024-11-19 10:10:44,120 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:10:44" (1/1) ... [2024-11-19 10:10:44,125 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:10:44" (1/1) ... [2024-11-19 10:10:44,126 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:10:44" (1/1) ... [2024-11-19 10:10:44,127 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:10:44" (1/1) ... [2024-11-19 10:10:44,136 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 10:10:44,137 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 10:10:44,137 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 10:10:44,137 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 10:10:44,139 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:10:44" (1/1) ... [2024-11-19 10:10:44,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:10:44,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:10:44,177 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) [2024-11-19 10:10:44,180 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 [2024-11-19 10:10:44,218 INFO L130 BoogieDeclarations]: Found specification of procedure unlock [2024-11-19 10:10:44,219 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock [2024-11-19 10:10:44,219 INFO L130 BoogieDeclarations]: Found specification of procedure lock [2024-11-19 10:10:44,219 INFO L138 BoogieDeclarations]: Found implementation of procedure lock [2024-11-19 10:10:44,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 10:10:44,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 10:10:44,268 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 10:10:44,270 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 10:10:44,440 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-19 10:10:44,440 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 10:10:44,475 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 10:10:44,475 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 10:10:44,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:10:44 BoogieIcfgContainer [2024-11-19 10:10:44,477 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 10:10:44,479 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 10:10:44,480 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 10:10:44,483 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 10:10:44,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:10:43" (1/3) ... [2024-11-19 10:10:44,484 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e054c76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:10:44, skipping insertion in model container [2024-11-19 10:10:44,484 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:10:44" (2/3) ... [2024-11-19 10:10:44,484 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e054c76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:10:44, skipping insertion in model container [2024-11-19 10:10:44,484 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:10:44" (3/3) ... [2024-11-19 10:10:44,485 INFO L112 eAbstractionObserver]: Analyzing ICFG HenzingerJhalaMajumdarSutre-POPL2002-LockingExample.c [2024-11-19 10:10:44,502 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 10:10:44,502 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-19 10:10:44,550 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 10:10:44,555 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;@7250490, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 10:10:44,556 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-19 10:10:44,559 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 25 states have (on average 1.52) internal successors, (38), 29 states have internal predecessors, (38), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-19 10:10:44,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-19 10:10:44,565 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:10:44,566 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:10:44,566 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:10:44,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:10:44,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1235690831, now seen corresponding path program 1 times [2024-11-19 10:10:44,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:10:44,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765616884] [2024-11-19 10:10:44,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:10:44,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:10:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:10:44,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:10:44,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:10:44,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765616884] [2024-11-19 10:10:44,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765616884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:10:44,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:10:44,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:10:44,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7708659] [2024-11-19 10:10:44,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:10:44,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:10:44,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:10:44,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:10:44,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:10:44,812 INFO L87 Difference]: Start difference. First operand has 36 states, 25 states have (on average 1.52) internal successors, (38), 29 states have internal predecessors, (38), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:10:44,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:10:44,857 INFO L93 Difference]: Finished difference Result 57 states and 74 transitions. [2024-11-19 10:10:44,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:10:44,860 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-19 10:10:44,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:10:44,865 INFO L225 Difference]: With dead ends: 57 [2024-11-19 10:10:44,866 INFO L226 Difference]: Without dead ends: 30 [2024-11-19 10:10:44,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:10:44,871 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 2 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:10:44,872 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 109 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:10:44,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-11-19 10:10:44,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-11-19 10:10:44,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 24 states have internal predecessors, (31), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:10:44,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 39 transitions. [2024-11-19 10:10:44,902 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 39 transitions. Word has length 11 [2024-11-19 10:10:44,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:10:44,903 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 39 transitions. [2024-11-19 10:10:44,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:10:44,903 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2024-11-19 10:10:44,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-19 10:10:44,904 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:10:44,904 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:10:44,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 10:10:44,905 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:10:44,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:10:44,905 INFO L85 PathProgramCache]: Analyzing trace with hash 348289965, now seen corresponding path program 1 times [2024-11-19 10:10:44,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:10:44,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582637899] [2024-11-19 10:10:44,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:10:44,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:10:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:10:44,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:10:44,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:10:44,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582637899] [2024-11-19 10:10:44,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582637899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:10:44,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:10:44,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:10:44,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962660407] [2024-11-19 10:10:44,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:10:44,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:10:44,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:10:44,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:10:44,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:10:44,975 INFO L87 Difference]: Start difference. First operand 30 states and 39 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:10:44,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:10:44,991 INFO L93 Difference]: Finished difference Result 31 states and 41 transitions. [2024-11-19 10:10:44,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:10:44,991 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-19 10:10:44,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:10:44,992 INFO L225 Difference]: With dead ends: 31 [2024-11-19 10:10:44,993 INFO L226 Difference]: Without dead ends: 30 [2024-11-19 10:10:44,995 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:10:44,996 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 1 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:10:44,997 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 93 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:10:44,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-11-19 10:10:45,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2024-11-19 10:10:45,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 23 states have internal predecessors, (30), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:10:45,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 38 transitions. [2024-11-19 10:10:45,004 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 38 transitions. Word has length 12 [2024-11-19 10:10:45,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:10:45,004 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 38 transitions. [2024-11-19 10:10:45,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:10:45,005 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2024-11-19 10:10:45,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-19 10:10:45,007 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:10:45,007 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:10:45,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 10:10:45,007 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:10:45,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:10:45,009 INFO L85 PathProgramCache]: Analyzing trace with hash -591147248, now seen corresponding path program 1 times [2024-11-19 10:10:45,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:10:45,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951538388] [2024-11-19 10:10:45,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:10:45,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:10:45,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:10:45,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:10:45,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:10:45,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951538388] [2024-11-19 10:10:45,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951538388] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:10:45,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:10:45,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:10:45,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814006882] [2024-11-19 10:10:45,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:10:45,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:10:45,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:10:45,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:10:45,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:10:45,069 INFO L87 Difference]: Start difference. First operand 29 states and 38 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) 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) [2024-11-19 10:10:45,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:10:45,090 INFO L93 Difference]: Finished difference Result 29 states and 38 transitions. [2024-11-19 10:10:45,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:10:45,091 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) 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 15 [2024-11-19 10:10:45,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:10:45,092 INFO L225 Difference]: With dead ends: 29 [2024-11-19 10:10:45,092 INFO L226 Difference]: Without dead ends: 28 [2024-11-19 10:10:45,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:10:45,093 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 15 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:10:45,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 72 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:10:45,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-19 10:10:45,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-11-19 10:10:45,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 21 states have (on average 1.380952380952381) internal successors, (29), 22 states have internal predecessors, (29), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:10:45,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 37 transitions. [2024-11-19 10:10:45,101 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 37 transitions. Word has length 15 [2024-11-19 10:10:45,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:10:45,102 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 37 transitions. [2024-11-19 10:10:45,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) 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) [2024-11-19 10:10:45,102 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2024-11-19 10:10:45,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-19 10:10:45,104 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:10:45,104 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:10:45,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 10:10:45,104 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:10:45,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:10:45,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1145695407, now seen corresponding path program 1 times [2024-11-19 10:10:45,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:10:45,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89419236] [2024-11-19 10:10:45,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:10:45,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:10:45,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:10:45,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:10:45,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:10:45,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89419236] [2024-11-19 10:10:45,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89419236] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:10:45,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:10:45,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:10:45,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141706341] [2024-11-19 10:10:45,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:10:45,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:10:45,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:10:45,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:10:45,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:10:45,148 INFO L87 Difference]: Start difference. First operand 28 states and 37 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-11-19 10:10:45,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:10:45,171 INFO L93 Difference]: Finished difference Result 37 states and 49 transitions. [2024-11-19 10:10:45,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:10:45,171 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 16 [2024-11-19 10:10:45,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:10:45,172 INFO L225 Difference]: With dead ends: 37 [2024-11-19 10:10:45,172 INFO L226 Difference]: Without dead ends: 36 [2024-11-19 10:10:45,172 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:10:45,173 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 14 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:10:45,173 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 78 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:10:45,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-19 10:10:45,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-11-19 10:10:45,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 28 states have internal predecessors, (36), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:10:45,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 48 transitions. [2024-11-19 10:10:45,178 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 48 transitions. Word has length 16 [2024-11-19 10:10:45,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:10:45,179 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 48 transitions. [2024-11-19 10:10:45,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-11-19 10:10:45,179 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 48 transitions. [2024-11-19 10:10:45,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-19 10:10:45,180 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:10:45,180 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-19 10:10:45,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 10:10:45,180 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:10:45,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:10:45,181 INFO L85 PathProgramCache]: Analyzing trace with hash -154427766, now seen corresponding path program 1 times [2024-11-19 10:10:45,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:10:45,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147182644] [2024-11-19 10:10:45,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:10:45,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:10:45,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:10:45,318 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-19 10:10:45,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:10:45,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147182644] [2024-11-19 10:10:45,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147182644] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:10:45,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [88029420] [2024-11-19 10:10:45,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:10:45,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:10:45,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:10:45,323 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) [2024-11-19 10:10:45,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 10:10:45,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:10:45,375 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:10:45,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:10:45,435 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-19 10:10:45,436 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:10:45,511 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-19 10:10:45,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [88029420] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:10:45,512 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:10:45,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-19 10:10:45,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711798909] [2024-11-19 10:10:45,515 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:10:45,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:10:45,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:10:45,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:10:45,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:10:45,517 INFO L87 Difference]: Start difference. First operand 36 states and 48 transitions. Second operand has 10 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 10 states have internal predecessors, (31), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-19 10:10:45,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:10:45,598 INFO L93 Difference]: Finished difference Result 61 states and 84 transitions. [2024-11-19 10:10:45,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 10:10:45,599 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 10 states have internal predecessors, (31), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 30 [2024-11-19 10:10:45,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:10:45,600 INFO L225 Difference]: With dead ends: 61 [2024-11-19 10:10:45,601 INFO L226 Difference]: Without dead ends: 60 [2024-11-19 10:10:45,602 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:10:45,602 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 32 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:10:45,606 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 126 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:10:45,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-19 10:10:45,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-19 10:10:45,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 45 states have (on average 1.2666666666666666) internal successors, (57), 46 states have internal predecessors, (57), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-19 10:10:45,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 81 transitions. [2024-11-19 10:10:45,616 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 81 transitions. Word has length 30 [2024-11-19 10:10:45,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:10:45,618 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 81 transitions. [2024-11-19 10:10:45,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 10 states have internal predecessors, (31), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-19 10:10:45,618 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 81 transitions. [2024-11-19 10:10:45,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-19 10:10:45,621 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:10:45,621 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1] [2024-11-19 10:10:45,634 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 10:10:45,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:10:45,827 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:10:45,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:10:45,827 INFO L85 PathProgramCache]: Analyzing trace with hash -22613579, now seen corresponding path program 2 times [2024-11-19 10:10:45,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:10:45,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356910955] [2024-11-19 10:10:45,827 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:10:45,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:10:45,865 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:10:45,865 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:10:46,134 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-19 10:10:46,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:10:46,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356910955] [2024-11-19 10:10:46,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356910955] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:10:46,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783095747] [2024-11-19 10:10:46,135 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:10:46,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:10:46,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:10:46,141 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) [2024-11-19 10:10:46,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 10:10:46,207 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:10:46,208 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:10:46,209 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-19 10:10:46,211 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:10:46,319 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-19 10:10:46,320 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:10:46,534 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-19 10:10:46,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1783095747] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:10:46,535 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:10:46,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2024-11-19 10:10:46,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991690330] [2024-11-19 10:10:46,535 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:10:46,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-19 10:10:46,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:10:46,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-19 10:10:46,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-19 10:10:46,537 INFO L87 Difference]: Start difference. First operand 60 states and 81 transitions. Second operand has 22 states, 21 states have (on average 3.1904761904761907) internal successors, (67), 22 states have internal predecessors, (67), 10 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 10 states have call predecessors, (20), 10 states have call successors, (20) [2024-11-19 10:10:46,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:10:46,661 INFO L93 Difference]: Finished difference Result 109 states and 153 transitions. [2024-11-19 10:10:46,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-19 10:10:46,661 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 3.1904761904761907) internal successors, (67), 22 states have internal predecessors, (67), 10 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 10 states have call predecessors, (20), 10 states have call successors, (20) Word has length 72 [2024-11-19 10:10:46,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:10:46,663 INFO L225 Difference]: With dead ends: 109 [2024-11-19 10:10:46,665 INFO L226 Difference]: Without dead ends: 108 [2024-11-19 10:10:46,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-19 10:10:46,666 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 62 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:10:46,666 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 150 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:10:46,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-19 10:10:46,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2024-11-19 10:10:46,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 81 states have (on average 1.2222222222222223) internal successors, (99), 82 states have internal predecessors, (99), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-19 10:10:46,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 147 transitions. [2024-11-19 10:10:46,687 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 147 transitions. Word has length 72 [2024-11-19 10:10:46,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:10:46,688 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 147 transitions. [2024-11-19 10:10:46,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 3.1904761904761907) internal successors, (67), 22 states have internal predecessors, (67), 10 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 10 states have call predecessors, (20), 10 states have call successors, (20) [2024-11-19 10:10:46,688 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 147 transitions. [2024-11-19 10:10:46,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-19 10:10:46,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:10:46,695 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 1, 1, 1, 1] [2024-11-19 10:10:46,708 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 10:10:46,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-19 10:10:46,896 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:10:46,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:10:46,896 INFO L85 PathProgramCache]: Analyzing trace with hash 2117752523, now seen corresponding path program 3 times [2024-11-19 10:10:46,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:10:46,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839022111] [2024-11-19 10:10:46,896 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:10:46,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:10:46,929 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-19 10:10:46,930 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:10:47,638 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 430 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-19 10:10:47,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:10:47,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839022111] [2024-11-19 10:10:47,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839022111] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:10:47,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1058798538] [2024-11-19 10:10:47,639 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:10:47,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:10:47,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:10:47,641 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) [2024-11-19 10:10:47,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 10:10:47,733 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-19 10:10:47,733 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:10:47,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-19 10:10:47,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:10:47,879 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 430 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-19 10:10:47,879 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:10:48,500 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 430 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-19 10:10:48,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1058798538] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:10:48,501 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:10:48,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 45 [2024-11-19 10:10:48,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825850545] [2024-11-19 10:10:48,501 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:10:48,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-11-19 10:10:48,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:10:48,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-11-19 10:10:48,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2024-11-19 10:10:48,504 INFO L87 Difference]: Start difference. First operand 108 states and 147 transitions. Second operand has 46 states, 45 states have (on average 3.088888888888889) internal successors, (139), 46 states have internal predecessors, (139), 22 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 22 states have call predecessors, (44), 22 states have call successors, (44) [2024-11-19 10:10:48,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:10:48,725 INFO L93 Difference]: Finished difference Result 205 states and 291 transitions. [2024-11-19 10:10:48,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-19 10:10:48,726 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 3.088888888888889) internal successors, (139), 46 states have internal predecessors, (139), 22 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 22 states have call predecessors, (44), 22 states have call successors, (44) Word has length 156 [2024-11-19 10:10:48,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:10:48,727 INFO L225 Difference]: With dead ends: 205 [2024-11-19 10:10:48,727 INFO L226 Difference]: Without dead ends: 204 [2024-11-19 10:10:48,728 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 541 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2024-11-19 10:10:48,729 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 83 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:10:48,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 216 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:10:48,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-19 10:10:48,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2024-11-19 10:10:48,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 153 states have (on average 1.196078431372549) internal successors, (183), 154 states have internal predecessors, (183), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-19 10:10:48,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 279 transitions. [2024-11-19 10:10:48,756 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 279 transitions. Word has length 156 [2024-11-19 10:10:48,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:10:48,757 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 279 transitions. [2024-11-19 10:10:48,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 3.088888888888889) internal successors, (139), 46 states have internal predecessors, (139), 22 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 22 states have call predecessors, (44), 22 states have call successors, (44) [2024-11-19 10:10:48,757 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 279 transitions. [2024-11-19 10:10:48,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2024-11-19 10:10:48,763 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:10:48,763 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 22, 22, 1, 1, 1, 1] [2024-11-19 10:10:48,785 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 10:10:48,966 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 [2024-11-19 10:10:48,966 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:10:48,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:10:48,966 INFO L85 PathProgramCache]: Analyzing trace with hash -988193801, now seen corresponding path program 4 times [2024-11-19 10:10:48,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:10:48,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810235268] [2024-11-19 10:10:48,967 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:10:48,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:10:48,998 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:10:48,998 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:10:51,078 INFO L134 CoverageAnalysis]: Checked inductivity of 3520 backedges. 0 proven. 2068 refuted. 0 times theorem prover too weak. 1452 trivial. 0 not checked. [2024-11-19 10:10:51,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:10:51,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810235268] [2024-11-19 10:10:51,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810235268] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:10:51,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392693519] [2024-11-19 10:10:51,079 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:10:51,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:10:51,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:10:51,081 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) [2024-11-19 10:10:51,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 10:10:51,182 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:10:51,182 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:10:51,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-19 10:10:51,194 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:10:51,453 INFO L134 CoverageAnalysis]: Checked inductivity of 3520 backedges. 0 proven. 2002 refuted. 0 times theorem prover too weak. 1518 trivial. 0 not checked. [2024-11-19 10:10:51,453 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:10:53,350 INFO L134 CoverageAnalysis]: Checked inductivity of 3520 backedges. 0 proven. 2002 refuted. 0 times theorem prover too weak. 1518 trivial. 0 not checked. [2024-11-19 10:10:53,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [392693519] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:10:53,351 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:10:53,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 47, 47] total 97 [2024-11-19 10:10:53,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141475894] [2024-11-19 10:10:53,351 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:10:53,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2024-11-19 10:10:53,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:10:53,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2024-11-19 10:10:53,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2310, Invalid=7196, Unknown=0, NotChecked=0, Total=9506 [2024-11-19 10:10:53,358 INFO L87 Difference]: Start difference. First operand 204 states and 279 transitions. Second operand has 98 states, 97 states have (on average 2.9690721649484537) internal successors, (288), 97 states have internal predecessors, (288), 47 states have call successors, (93), 2 states have call predecessors, (93), 2 states have return successors, (93), 46 states have call predecessors, (93), 47 states have call successors, (93) [2024-11-19 10:10:56,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:10:56,575 INFO L93 Difference]: Finished difference Result 1010 states and 1627 transitions. [2024-11-19 10:10:56,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2024-11-19 10:10:56,576 INFO L78 Accepts]: Start accepts. Automaton has has 98 states, 97 states have (on average 2.9690721649484537) internal successors, (288), 97 states have internal predecessors, (288), 47 states have call successors, (93), 2 states have call predecessors, (93), 2 states have return successors, (93), 46 states have call predecessors, (93), 47 states have call successors, (93) Word has length 324 [2024-11-19 10:10:56,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:10:56,585 INFO L225 Difference]: With dead ends: 1010 [2024-11-19 10:10:56,585 INFO L226 Difference]: Without dead ends: 809 [2024-11-19 10:10:56,592 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 791 GetRequests, 602 SyntacticMatches, 0 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9457 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=6868, Invalid=29422, Unknown=0, NotChecked=0, Total=36290 [2024-11-19 10:10:56,593 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 628 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 671 mSolverCounterSat, 312 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 632 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 312 IncrementalHoareTripleChecker+Valid, 671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 10:10:56,593 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [632 Valid, 408 Invalid, 983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [312 Valid, 671 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 10:10:56,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2024-11-19 10:10:56,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 792. [2024-11-19 10:10:56,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 792 states, 593 states have (on average 1.178752107925801) internal successors, (699), 597 states have internal predecessors, (699), 192 states have call successors, (192), 4 states have call predecessors, (192), 6 states have return successors, (336), 192 states have call predecessors, (336), 192 states have call successors, (336) [2024-11-19 10:10:56,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 1227 transitions. [2024-11-19 10:10:56,658 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 1227 transitions. Word has length 324 [2024-11-19 10:10:56,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:10:56,659 INFO L471 AbstractCegarLoop]: Abstraction has 792 states and 1227 transitions. [2024-11-19 10:10:56,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 97 states have (on average 2.9690721649484537) internal successors, (288), 97 states have internal predecessors, (288), 47 states have call successors, (93), 2 states have call predecessors, (93), 2 states have return successors, (93), 46 states have call predecessors, (93), 47 states have call successors, (93) [2024-11-19 10:10:56,660 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1227 transitions. [2024-11-19 10:10:56,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 661 [2024-11-19 10:10:56,672 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:10:56,672 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 46, 46, 1, 1, 1, 1] [2024-11-19 10:10:56,685 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-19 10:10:56,876 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 [2024-11-19 10:10:56,876 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:10:56,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:10:56,877 INFO L85 PathProgramCache]: Analyzing trace with hash 2030195279, now seen corresponding path program 5 times [2024-11-19 10:10:56,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:10:56,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230517504] [2024-11-19 10:10:56,877 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 10:10:56,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:10:57,062 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-19 10:10:57,062 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:11:02,375 INFO L134 CoverageAnalysis]: Checked inductivity of 15088 backedges. 0 proven. 8602 refuted. 0 times theorem prover too weak. 6486 trivial. 0 not checked. [2024-11-19 10:11:02,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:11:02,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230517504] [2024-11-19 10:11:02,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230517504] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:11:02,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146001712] [2024-11-19 10:11:02,376 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 10:11:02,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:11:02,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:11:02,378 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) [2024-11-19 10:11:02,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 10:11:02,606 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-19 10:11:02,607 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:11:02,612 INFO L255 TraceCheckSpWp]: Trace formula consists of 1607 conjuncts, 95 conjuncts are in the unsatisfiable core [2024-11-19 10:11:02,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:11:03,015 INFO L134 CoverageAnalysis]: Checked inductivity of 15088 backedges. 0 proven. 8602 refuted. 0 times theorem prover too weak. 6486 trivial. 0 not checked. [2024-11-19 10:11:03,015 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:11:08,194 INFO L134 CoverageAnalysis]: Checked inductivity of 15088 backedges. 0 proven. 8602 refuted. 0 times theorem prover too weak. 6486 trivial. 0 not checked. [2024-11-19 10:11:08,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2146001712] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:11:08,194 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:11:08,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 189 [2024-11-19 10:11:08,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203973627] [2024-11-19 10:11:08,195 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:11:08,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 190 states [2024-11-19 10:11:08,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:11:08,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2024-11-19 10:11:08,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9119, Invalid=26791, Unknown=0, NotChecked=0, Total=35910 [2024-11-19 10:11:08,207 INFO L87 Difference]: Start difference. First operand 792 states and 1227 transitions. Second operand has 190 states, 189 states have (on average 3.0211640211640214) internal successors, (571), 190 states have internal predecessors, (571), 94 states have call successors, (188), 1 states have call predecessors, (188), 1 states have return successors, (188), 94 states have call predecessors, (188), 94 states have call successors, (188) [2024-11-19 10:11:09,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:11:09,350 INFO L93 Difference]: Finished difference Result 1561 states and 2523 transitions. [2024-11-19 10:11:09,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2024-11-19 10:11:09,351 INFO L78 Accepts]: Start accepts. Automaton has has 190 states, 189 states have (on average 3.0211640211640214) internal successors, (571), 190 states have internal predecessors, (571), 94 states have call successors, (188), 1 states have call predecessors, (188), 1 states have return successors, (188), 94 states have call predecessors, (188), 94 states have call successors, (188) Word has length 660 [2024-11-19 10:11:09,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:11:09,359 INFO L225 Difference]: With dead ends: 1561 [2024-11-19 10:11:09,359 INFO L226 Difference]: Without dead ends: 1560 [2024-11-19 10:11:09,361 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1413 GetRequests, 1225 SyntacticMatches, 0 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10765 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=9119, Invalid=26791, Unknown=0, NotChecked=0, Total=35910 [2024-11-19 10:11:09,362 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 386 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:11:09,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 570 Invalid, 726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 719 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 10:11:09,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1560 states. [2024-11-19 10:11:09,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1560 to 1560. [2024-11-19 10:11:09,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1560 states, 1169 states have (on average 1.172797262617622) internal successors, (1371), 1173 states have internal predecessors, (1371), 384 states have call successors, (384), 4 states have call predecessors, (384), 6 states have return successors, (672), 384 states have call predecessors, (672), 384 states have call successors, (672) [2024-11-19 10:11:09,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 1560 states and 2427 transitions. [2024-11-19 10:11:09,418 INFO L78 Accepts]: Start accepts. Automaton has 1560 states and 2427 transitions. Word has length 660 [2024-11-19 10:11:09,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:11:09,420 INFO L471 AbstractCegarLoop]: Abstraction has 1560 states and 2427 transitions. [2024-11-19 10:11:09,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 190 states, 189 states have (on average 3.0211640211640214) internal successors, (571), 190 states have internal predecessors, (571), 94 states have call successors, (188), 1 states have call predecessors, (188), 1 states have return successors, (188), 94 states have call predecessors, (188), 94 states have call successors, (188) [2024-11-19 10:11:09,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1560 states and 2427 transitions. [2024-11-19 10:11:09,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1333 [2024-11-19 10:11:09,457 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:11:09,458 INFO L215 NwaCegarLoop]: trace histogram [95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 94, 94, 1, 1, 1, 1] [2024-11-19 10:11:09,472 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-19 10:11:09,658 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 [2024-11-19 10:11:09,658 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:11:09,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:11:09,659 INFO L85 PathProgramCache]: Analyzing trace with hash -2049970433, now seen corresponding path program 6 times [2024-11-19 10:11:09,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:11:09,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145260067] [2024-11-19 10:11:09,659 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 10:11:09,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:11:10,193 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2024-11-19 10:11:10,194 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:11:35,505 INFO L134 CoverageAnalysis]: Checked inductivity of 62416 backedges. 0 proven. 35626 refuted. 0 times theorem prover too weak. 26790 trivial. 0 not checked. [2024-11-19 10:11:35,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:11:35,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145260067] [2024-11-19 10:11:35,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145260067] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:11:35,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198665626] [2024-11-19 10:11:35,506 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 10:11:35,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:11:35,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:11:35,508 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) [2024-11-19 10:11:35,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 10:11:36,111 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2024-11-19 10:11:36,111 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:11:36,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 3239 conjuncts, 191 conjuncts are in the unsatisfiable core [2024-11-19 10:11:36,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:11:36,842 INFO L134 CoverageAnalysis]: Checked inductivity of 62416 backedges. 0 proven. 35626 refuted. 0 times theorem prover too weak. 26790 trivial. 0 not checked. [2024-11-19 10:11:36,842 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:11:56,226 INFO L134 CoverageAnalysis]: Checked inductivity of 62416 backedges. 0 proven. 35626 refuted. 0 times theorem prover too weak. 26790 trivial. 0 not checked. [2024-11-19 10:11:56,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [198665626] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:11:56,226 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:11:56,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [192, 191, 191] total 383 [2024-11-19 10:11:56,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925227219] [2024-11-19 10:11:56,227 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:11:56,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 384 states [2024-11-19 10:11:56,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:11:56,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 384 interpolants. [2024-11-19 10:11:56,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36917, Invalid=110155, Unknown=0, NotChecked=0, Total=147072 [2024-11-19 10:11:56,241 INFO L87 Difference]: Start difference. First operand 1560 states and 2427 transitions. Second operand has 384 states, 383 states have (on average 3.0078328981723237) internal successors, (1152), 384 states have internal predecessors, (1152), 191 states have call successors, (381), 1 states have call predecessors, (381), 1 states have return successors, (381), 191 states have call predecessors, (381), 191 states have call successors, (381) [2024-11-19 10:12:10,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:12:10,033 INFO L93 Difference]: Finished difference Result 4771 states and 7547 transitions. [2024-11-19 10:12:10,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 452 states. [2024-11-19 10:12:10,035 INFO L78 Accepts]: Start accepts. Automaton has has 384 states, 383 states have (on average 3.0078328981723237) internal successors, (1152), 384 states have internal predecessors, (1152), 191 states have call successors, (381), 1 states have call predecessors, (381), 1 states have return successors, (381), 191 states have call predecessors, (381), 191 states have call successors, (381) Word has length 1332 [2024-11-19 10:12:10,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:12:10,049 INFO L225 Difference]: With dead ends: 4771 [2024-11-19 10:12:10,049 INFO L226 Difference]: Without dead ends: 3094 [2024-11-19 10:12:10,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2992 GetRequests, 2472 SyntacticMatches, 0 SemanticMatches, 520 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68089 ImplicationChecksByTransitivity, 32.7s TimeCoverageRelationStatistics Valid=63551, Invalid=208411, Unknown=0, NotChecked=0, Total=271962 [2024-11-19 10:12:10,062 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 874 mSDsluCounter, 631 mSDsCounter, 0 mSdLazyCounter, 1380 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 876 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 1465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 1380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:12:10,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [876 Valid, 663 Invalid, 1465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 1380 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-19 10:12:10,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3094 states. [2024-11-19 10:12:10,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3094 to 3094. [2024-11-19 10:12:10,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3094 states, 2319 states have (on average 1.1095299698145753) internal successors, (2573), 2323 states have internal predecessors, (2573), 768 states have call successors, (768), 4 states have call predecessors, (768), 6 states have return successors, (1344), 768 states have call predecessors, (1344), 768 states have call successors, (1344) [2024-11-19 10:12:10,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3094 states to 3094 states and 4685 transitions. [2024-11-19 10:12:10,167 INFO L78 Accepts]: Start accepts. Automaton has 3094 states and 4685 transitions. Word has length 1332 [2024-11-19 10:12:10,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:12:10,169 INFO L471 AbstractCegarLoop]: Abstraction has 3094 states and 4685 transitions. [2024-11-19 10:12:10,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 384 states, 383 states have (on average 3.0078328981723237) internal successors, (1152), 384 states have internal predecessors, (1152), 191 states have call successors, (381), 1 states have call predecessors, (381), 1 states have return successors, (381), 191 states have call predecessors, (381), 191 states have call successors, (381) [2024-11-19 10:12:10,171 INFO L276 IsEmpty]: Start isEmpty. Operand 3094 states and 4685 transitions. [2024-11-19 10:12:10,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2677 [2024-11-19 10:12:10,207 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:12:10,208 INFO L215 NwaCegarLoop]: trace histogram [191, 191, 191, 191, 191, 191, 191, 191, 191, 191, 191, 191, 190, 190, 1, 1, 1, 1] [2024-11-19 10:12:10,226 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-19 10:12:10,409 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 [2024-11-19 10:12:10,409 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-19 10:12:10,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:12:10,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1244010401, now seen corresponding path program 7 times [2024-11-19 10:12:10,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:12:10,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522635168] [2024-11-19 10:12:10,410 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-19 10:12:10,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:12:11,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat