./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d 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/nla-digbench-scaling/sqrt1-ll_valuebound50.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5cb4924cbdb465eb5009b33592f9047ad895ad10dbe627600c12529f62c9845d --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 12:10:57,430 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 12:10:57,506 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 12:10:57,510 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 12:10:57,511 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 12:10:57,539 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 12:10:57,539 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 12:10:57,540 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 12:10:57,541 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 12:10:57,545 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 12:10:57,546 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 12:10:57,546 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 12:10:57,547 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 12:10:57,547 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 12:10:57,547 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 12:10:57,547 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 12:10:57,548 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 12:10:57,548 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 12:10:57,548 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 12:10:57,550 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 12:10:57,550 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 12:10:57,551 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 12:10:57,551 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 12:10:57,552 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 12:10:57,552 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 12:10:57,552 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 12:10:57,552 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 12:10:57,553 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 12:10:57,553 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 12:10:57,553 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 12:10:57,554 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 12:10:57,554 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 12:10:57,554 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 12:10:57,554 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 12:10:57,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:10:57,555 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 12:10:57,555 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 12:10:57,555 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 12:10:57,556 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 12:10:57,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 12:10:57,556 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 12:10:57,557 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 12:10:57,557 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 12:10:57,557 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 12:10:57,558 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5cb4924cbdb465eb5009b33592f9047ad895ad10dbe627600c12529f62c9845d [2024-11-09 12:10:57,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 12:10:57,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 12:10:57,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 12:10:57,882 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 12:10:57,883 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 12:10:57,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c [2024-11-09 12:10:59,482 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 12:10:59,660 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 12:10:59,661 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c [2024-11-09 12:10:59,668 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bc76cea9/18b9f2ffa4574e5a98c641b1e459a68d/FLAG9d74147fa [2024-11-09 12:11:00,057 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bc76cea9/18b9f2ffa4574e5a98c641b1e459a68d [2024-11-09 12:11:00,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 12:11:00,061 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 12:11:00,062 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 12:11:00,062 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 12:11:00,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 12:11:00,068 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:11:00" (1/1) ... [2024-11-09 12:11:00,068 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31e4dc74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:00, skipping insertion in model container [2024-11-09 12:11:00,069 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:11:00" (1/1) ... [2024-11-09 12:11:00,092 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 12:11:00,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:11:00,308 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 12:11:00,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:11:00,352 INFO L204 MainTranslator]: Completed translation [2024-11-09 12:11:00,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:00 WrapperNode [2024-11-09 12:11:00,353 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 12:11:00,354 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 12:11:00,355 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 12:11:00,355 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 12:11:00,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:00" (1/1) ... [2024-11-09 12:11:00,372 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:00" (1/1) ... [2024-11-09 12:11:00,398 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2024-11-09 12:11:00,401 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 12:11:00,402 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 12:11:00,402 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 12:11:00,402 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 12:11:00,412 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:00" (1/1) ... [2024-11-09 12:11:00,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:00" (1/1) ... [2024-11-09 12:11:00,418 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:00" (1/1) ... [2024-11-09 12:11:00,439 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 12:11:00,441 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:00" (1/1) ... [2024-11-09 12:11:00,455 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:00" (1/1) ... [2024-11-09 12:11:00,457 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:00" (1/1) ... [2024-11-09 12:11:00,465 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:00" (1/1) ... [2024-11-09 12:11:00,472 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:00" (1/1) ... [2024-11-09 12:11:00,474 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:00" (1/1) ... [2024-11-09 12:11:00,479 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 12:11:00,480 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 12:11:00,480 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 12:11:00,480 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 12:11:00,481 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:00" (1/1) ... [2024-11-09 12:11:00,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:11:00,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:11:00,547 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) [2024-11-09 12:11:00,555 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 [2024-11-09 12:11:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 12:11:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 12:11:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 12:11:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 12:11:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 12:11:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 12:11:00,659 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 12:11:00,662 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 12:11:01,060 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2024-11-09 12:11:01,062 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 12:11:01,082 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 12:11:01,083 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 12:11:01,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:11:01 BoogieIcfgContainer [2024-11-09 12:11:01,084 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 12:11:01,087 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 12:11:01,087 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 12:11:01,091 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 12:11:01,092 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:11:00" (1/3) ... [2024-11-09 12:11:01,093 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5218d3c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:11:01, skipping insertion in model container [2024-11-09 12:11:01,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:11:00" (2/3) ... [2024-11-09 12:11:01,094 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5218d3c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:11:01, skipping insertion in model container [2024-11-09 12:11:01,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:11:01" (3/3) ... [2024-11-09 12:11:01,095 INFO L112 eAbstractionObserver]: Analyzing ICFG sqrt1-ll_valuebound50.c [2024-11-09 12:11:01,112 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 12:11:01,112 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 50 error locations. [2024-11-09 12:11:01,171 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 12:11:01,178 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;@69be7e1a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 12:11:01,179 INFO L334 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2024-11-09 12:11:01,183 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 64 states have (on average 1.859375) internal successors, (119), 114 states have internal predecessors, (119), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 12:11:01,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 12:11:01,189 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:01,189 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 12:11:01,190 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 12:11:01,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:01,197 INFO L85 PathProgramCache]: Analyzing trace with hash 889508909, now seen corresponding path program 1 times [2024-11-09 12:11:01,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:01,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049946504] [2024-11-09 12:11:01,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:01,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:01,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:11:01,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:01,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049946504] [2024-11-09 12:11:01,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049946504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:11:01,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:11:01,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:11:01,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277655350] [2024-11-09 12:11:01,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:11:01,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 12:11:01,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:01,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 12:11:01,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 12:11:01,393 INFO L87 Difference]: Start difference. First operand has 122 states, 64 states have (on average 1.859375) internal successors, (119), 114 states have internal predecessors, (119), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:11:01,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:01,423 INFO L93 Difference]: Finished difference Result 236 states and 263 transitions. [2024-11-09 12:11:01,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 12:11:01,426 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-09 12:11:01,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:01,433 INFO L225 Difference]: With dead ends: 236 [2024-11-09 12:11:01,433 INFO L226 Difference]: Without dead ends: 111 [2024-11-09 12:11:01,437 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 12:11:01,440 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:11:01,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:11:01,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-09 12:11:01,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-09 12:11:01,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 59 states have (on average 1.7796610169491525) internal successors, (105), 104 states have internal predecessors, (105), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:11:01,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 115 transitions. [2024-11-09 12:11:01,481 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 115 transitions. Word has length 6 [2024-11-09 12:11:01,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:01,482 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 115 transitions. [2024-11-09 12:11:01,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:11:01,482 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 115 transitions. [2024-11-09 12:11:01,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 12:11:01,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:01,482 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 12:11:01,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 12:11:01,483 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 12:11:01,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:01,484 INFO L85 PathProgramCache]: Analyzing trace with hash 889568486, now seen corresponding path program 1 times [2024-11-09 12:11:01,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:01,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32485065] [2024-11-09 12:11:01,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:01,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:01,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:11:01,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:01,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32485065] [2024-11-09 12:11:01,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32485065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:11:01,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:11:01,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:11:01,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942104897] [2024-11-09 12:11:01,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:11:01,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:11:01,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:01,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:11:01,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:11:01,542 INFO L87 Difference]: Start difference. First operand 111 states and 115 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:11:01,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:01,688 INFO L93 Difference]: Finished difference Result 206 states and 215 transitions. [2024-11-09 12:11:01,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:11:01,689 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-09 12:11:01,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:01,693 INFO L225 Difference]: With dead ends: 206 [2024-11-09 12:11:01,695 INFO L226 Difference]: Without dead ends: 186 [2024-11-09 12:11:01,695 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:11:01,697 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 68 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:11:01,698 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 164 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:11:01,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-09 12:11:01,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 151. [2024-11-09 12:11:01,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 95 states have (on average 1.6105263157894736) internal successors, (153), 140 states have internal predecessors, (153), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 12:11:01,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 171 transitions. [2024-11-09 12:11:01,719 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 171 transitions. Word has length 6 [2024-11-09 12:11:01,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:01,719 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 171 transitions. [2024-11-09 12:11:01,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:11:01,719 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 171 transitions. [2024-11-09 12:11:01,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 12:11:01,720 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:01,721 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:11:01,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 12:11:01,721 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 12:11:01,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:01,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1295434416, now seen corresponding path program 1 times [2024-11-09 12:11:01,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:01,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068488284] [2024-11-09 12:11:01,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:01,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:11:01,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [112494562] [2024-11-09 12:11:01,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:01,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:01,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:11:01,775 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) [2024-11-09 12:11:01,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 12:11:01,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:01,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 12:11:01,858 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:11:01,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:11:01,912 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:11:01,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:01,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068488284] [2024-11-09 12:11:01,913 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:11:01,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112494562] [2024-11-09 12:11:01,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112494562] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:11:01,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:11:01,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:11:01,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680534630] [2024-11-09 12:11:01,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:11:01,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:11:01,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:01,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:11:01,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:11:01,916 INFO L87 Difference]: Start difference. First operand 151 states and 171 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-11-09 12:11:02,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:02,099 INFO L93 Difference]: Finished difference Result 178 states and 199 transitions. [2024-11-09 12:11:02,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:11:02,099 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 27 [2024-11-09 12:11:02,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:02,104 INFO L225 Difference]: With dead ends: 178 [2024-11-09 12:11:02,104 INFO L226 Difference]: Without dead ends: 170 [2024-11-09 12:11:02,104 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:11:02,105 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 41 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:11:02,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 150 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:11:02,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-09 12:11:02,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 162. [2024-11-09 12:11:02,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 105 states have (on average 1.561904761904762) internal successors, (164), 150 states have internal predecessors, (164), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 12:11:02,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 184 transitions. [2024-11-09 12:11:02,134 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 184 transitions. Word has length 27 [2024-11-09 12:11:02,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:02,135 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 184 transitions. [2024-11-09 12:11:02,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-11-09 12:11:02,135 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 184 transitions. [2024-11-09 12:11:02,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 12:11:02,136 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:02,136 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:11:02,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 12:11:02,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:02,341 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 12:11:02,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:02,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1503761308, now seen corresponding path program 1 times [2024-11-09 12:11:02,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:02,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415825691] [2024-11-09 12:11:02,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:02,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:02,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:02,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:11:02,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:02,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 12:11:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:02,469 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:11:02,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:02,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415825691] [2024-11-09 12:11:02,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415825691] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:11:02,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:11:02,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:11:02,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220877072] [2024-11-09 12:11:02,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:11:02,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:11:02,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:02,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:11:02,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:11:02,475 INFO L87 Difference]: Start difference. First operand 162 states and 184 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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) [2024-11-09 12:11:02,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:02,586 INFO L93 Difference]: Finished difference Result 178 states and 195 transitions. [2024-11-09 12:11:02,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:11:02,587 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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 28 [2024-11-09 12:11:02,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:02,588 INFO L225 Difference]: With dead ends: 178 [2024-11-09 12:11:02,588 INFO L226 Difference]: Without dead ends: 168 [2024-11-09 12:11:02,590 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:11:02,591 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 38 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:11:02,593 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 164 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:11:02,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2024-11-09 12:11:02,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 165. [2024-11-09 12:11:02,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 108 states have (on average 1.4814814814814814) internal successors, (160), 153 states have internal predecessors, (160), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 12:11:02,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 180 transitions. [2024-11-09 12:11:02,615 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 180 transitions. Word has length 28 [2024-11-09 12:11:02,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:02,620 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 180 transitions. [2024-11-09 12:11:02,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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) [2024-11-09 12:11:02,620 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 180 transitions. [2024-11-09 12:11:02,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 12:11:02,621 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:02,621 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:11:02,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 12:11:02,621 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 12:11:02,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:02,622 INFO L85 PathProgramCache]: Analyzing trace with hash 2044306868, now seen corresponding path program 1 times [2024-11-09 12:11:02,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:02,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494730805] [2024-11-09 12:11:02,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:02,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:02,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:02,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:11:02,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:02,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 12:11:02,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:02,768 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:11:02,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:02,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494730805] [2024-11-09 12:11:02,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494730805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:11:02,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:11:02,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:11:02,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189744329] [2024-11-09 12:11:02,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:11:02,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:11:02,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:02,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:11:02,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:11:02,778 INFO L87 Difference]: Start difference. First operand 165 states and 180 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 12:11:02,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:02,894 INFO L93 Difference]: Finished difference Result 170 states and 185 transitions. [2024-11-09 12:11:02,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:11:02,895 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2024-11-09 12:11:02,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:02,897 INFO L225 Difference]: With dead ends: 170 [2024-11-09 12:11:02,897 INFO L226 Difference]: Without dead ends: 168 [2024-11-09 12:11:02,897 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:11:02,899 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 80 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:11:02,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 156 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:11:02,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2024-11-09 12:11:02,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 165. [2024-11-09 12:11:02,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 108 states have (on average 1.462962962962963) internal successors, (158), 153 states have internal predecessors, (158), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 12:11:02,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 178 transitions. [2024-11-09 12:11:02,915 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 178 transitions. Word has length 31 [2024-11-09 12:11:02,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:02,916 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 178 transitions. [2024-11-09 12:11:02,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 12:11:02,916 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 178 transitions. [2024-11-09 12:11:02,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 12:11:02,917 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:02,917 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:11:02,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 12:11:02,917 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 12:11:02,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:02,918 INFO L85 PathProgramCache]: Analyzing trace with hash 76490936, now seen corresponding path program 1 times [2024-11-09 12:11:02,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:02,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202511435] [2024-11-09 12:11:02,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:02,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:03,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:11:03,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:03,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 12:11:03,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:03,037 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:11:03,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:03,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202511435] [2024-11-09 12:11:03,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202511435] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:11:03,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:11:03,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:11:03,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092771205] [2024-11-09 12:11:03,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:11:03,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:11:03,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:03,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:11:03,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:11:03,040 INFO L87 Difference]: Start difference. First operand 165 states and 178 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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) [2024-11-09 12:11:03,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:03,153 INFO L93 Difference]: Finished difference Result 170 states and 179 transitions. [2024-11-09 12:11:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:11:03,153 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 35 [2024-11-09 12:11:03,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:03,154 INFO L225 Difference]: With dead ends: 170 [2024-11-09 12:11:03,154 INFO L226 Difference]: Without dead ends: 142 [2024-11-09 12:11:03,155 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:11:03,156 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 29 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:11:03,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 146 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:11:03,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-09 12:11:03,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2024-11-09 12:11:03,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 87 states have (on average 1.528735632183908) internal successors, (133), 132 states have internal predecessors, (133), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:11:03,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 149 transitions. [2024-11-09 12:11:03,172 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 149 transitions. Word has length 35 [2024-11-09 12:11:03,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:03,174 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 149 transitions. [2024-11-09 12:11:03,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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) [2024-11-09 12:11:03,175 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 149 transitions. [2024-11-09 12:11:03,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 12:11:03,176 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:03,176 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:11:03,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 12:11:03,176 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 12:11:03,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:03,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1341873330, now seen corresponding path program 1 times [2024-11-09 12:11:03,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:03,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686411902] [2024-11-09 12:11:03,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:03,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:03,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:03,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:11:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:03,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 12:11:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:03,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 12:11:03,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:03,339 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:11:03,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:03,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686411902] [2024-11-09 12:11:03,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686411902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:11:03,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:11:03,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:11:03,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907983145] [2024-11-09 12:11:03,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:11:03,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:11:03,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:03,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:11:03,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:11:03,345 INFO L87 Difference]: Start difference. First operand 142 states and 149 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 12:11:03,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:03,463 INFO L93 Difference]: Finished difference Result 145 states and 153 transitions. [2024-11-09 12:11:03,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:11:03,464 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2024-11-09 12:11:03,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:03,465 INFO L225 Difference]: With dead ends: 145 [2024-11-09 12:11:03,466 INFO L226 Difference]: Without dead ends: 144 [2024-11-09 12:11:03,467 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:11:03,467 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 1 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:11:03,468 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 210 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:11:03,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-09 12:11:03,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 143. [2024-11-09 12:11:03,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 88 states have (on average 1.5227272727272727) internal successors, (134), 133 states have internal predecessors, (134), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:11:03,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 150 transitions. [2024-11-09 12:11:03,474 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 150 transitions. Word has length 48 [2024-11-09 12:11:03,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:03,474 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 150 transitions. [2024-11-09 12:11:03,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 12:11:03,475 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 150 transitions. [2024-11-09 12:11:03,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-09 12:11:03,476 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:03,476 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:11:03,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 12:11:03,477 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 12:11:03,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:03,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1351599618, now seen corresponding path program 1 times [2024-11-09 12:11:03,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:03,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219610826] [2024-11-09 12:11:03,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:03,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:03,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:11:03,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:03,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 12:11:03,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:03,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 12:11:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:03,580 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:11:03,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:03,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219610826] [2024-11-09 12:11:03,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219610826] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:11:03,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:11:03,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:11:03,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822785889] [2024-11-09 12:11:03,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:11:03,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:11:03,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:03,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:11:03,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:11:03,583 INFO L87 Difference]: Start difference. First operand 143 states and 150 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 12:11:03,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:03,681 INFO L93 Difference]: Finished difference Result 145 states and 152 transitions. [2024-11-09 12:11:03,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:11:03,682 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2024-11-09 12:11:03,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:03,683 INFO L225 Difference]: With dead ends: 145 [2024-11-09 12:11:03,685 INFO L226 Difference]: Without dead ends: 144 [2024-11-09 12:11:03,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:11:03,688 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 0 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:11:03,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 214 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:11:03,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-09 12:11:03,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2024-11-09 12:11:03,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 89 states have (on average 1.5168539325842696) internal successors, (135), 134 states have internal predecessors, (135), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:11:03,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 151 transitions. [2024-11-09 12:11:03,698 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 151 transitions. Word has length 49 [2024-11-09 12:11:03,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:03,701 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 151 transitions. [2024-11-09 12:11:03,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 12:11:03,701 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 151 transitions. [2024-11-09 12:11:03,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-09 12:11:03,702 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:03,702 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:11:03,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 12:11:03,704 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 12:11:03,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:03,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1807107968, now seen corresponding path program 1 times [2024-11-09 12:11:03,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:03,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322513628] [2024-11-09 12:11:03,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:03,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:03,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:11:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:03,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 12:11:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:03,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 12:11:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:03,799 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:11:03,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:03,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322513628] [2024-11-09 12:11:03,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322513628] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:11:03,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521929228] [2024-11-09 12:11:03,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:03,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:03,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:11:03,807 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) [2024-11-09 12:11:03,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 12:11:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:03,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 12:11:03,858 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:11:03,940 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:11:03,941 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:11:03,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521929228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:11:03,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:11:03,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-09 12:11:03,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699923938] [2024-11-09 12:11:03,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:11:03,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:11:03,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:03,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:11:03,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:11:03,942 INFO L87 Difference]: Start difference. First operand 144 states and 151 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 12:11:04,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:04,026 INFO L93 Difference]: Finished difference Result 144 states and 151 transitions. [2024-11-09 12:11:04,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:11:04,027 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 51 [2024-11-09 12:11:04,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:04,028 INFO L225 Difference]: With dead ends: 144 [2024-11-09 12:11:04,029 INFO L226 Difference]: Without dead ends: 135 [2024-11-09 12:11:04,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:11:04,029 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 120 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:11:04,030 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 120 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:11:04,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-09 12:11:04,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2024-11-09 12:11:04,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 89 states have (on average 1.4157303370786516) internal successors, (126), 125 states have internal predecessors, (126), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:11:04,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 142 transitions. [2024-11-09 12:11:04,039 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 142 transitions. Word has length 51 [2024-11-09 12:11:04,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:04,040 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 142 transitions. [2024-11-09 12:11:04,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 12:11:04,040 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 142 transitions. [2024-11-09 12:11:04,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 12:11:04,040 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:04,041 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:11:04,061 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 12:11:04,241 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,SelfDestructingSolverStorable8 [2024-11-09 12:11:04,242 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 12:11:04,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:04,242 INFO L85 PathProgramCache]: Analyzing trace with hash -185772108, now seen corresponding path program 1 times [2024-11-09 12:11:04,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:04,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362732517] [2024-11-09 12:11:04,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:04,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:04,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:04,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:11:04,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:04,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 12:11:04,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:04,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 12:11:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:04,318 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:11:04,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:04,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362732517] [2024-11-09 12:11:04,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362732517] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:11:04,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2009449566] [2024-11-09 12:11:04,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:04,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:04,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:11:04,323 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) [2024-11-09 12:11:04,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 12:11:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:04,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 12:11:04,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:11:04,427 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:11:04,428 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:11:04,505 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:11:04,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2009449566] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:11:04,505 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:11:04,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-09 12:11:04,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789141293] [2024-11-09 12:11:04,506 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:11:04,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 12:11:04,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:04,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 12:11:04,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:11:04,507 INFO L87 Difference]: Start difference. First operand 135 states and 142 transitions. Second operand has 7 states, 6 states have (on average 16.833333333333332) internal successors, (101), 7 states have internal predecessors, (101), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-09 12:11:04,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:04,663 INFO L93 Difference]: Finished difference Result 230 states and 259 transitions. [2024-11-09 12:11:04,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:11:04,663 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.833333333333332) internal successors, (101), 7 states have internal predecessors, (101), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 52 [2024-11-09 12:11:04,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:04,664 INFO L225 Difference]: With dead ends: 230 [2024-11-09 12:11:04,665 INFO L226 Difference]: Without dead ends: 221 [2024-11-09 12:11:04,666 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:11:04,666 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 175 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:11:04,667 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 262 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:11:04,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-09 12:11:04,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 126. [2024-11-09 12:11:04,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 89 states have (on average 1.3146067415730338) internal successors, (117), 116 states have internal predecessors, (117), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:11:04,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 133 transitions. [2024-11-09 12:11:04,676 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 133 transitions. Word has length 52 [2024-11-09 12:11:04,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:04,677 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 133 transitions. [2024-11-09 12:11:04,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.833333333333332) internal successors, (101), 7 states have internal predecessors, (101), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-09 12:11:04,679 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 133 transitions. [2024-11-09 12:11:04,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 12:11:04,680 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:04,680 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:11:04,701 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 12:11:04,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:04,881 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 12:11:04,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:04,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1650363250, now seen corresponding path program 1 times [2024-11-09 12:11:04,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:04,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170533279] [2024-11-09 12:11:04,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:04,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:04,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:11:04,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1817984136] [2024-11-09 12:11:04,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:04,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:04,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:11:04,905 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) [2024-11-09 12:11:04,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 12:11:04,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:04,953 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:11:04,954 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:11:05,015 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 12:11:05,016 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:11:05,163 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 12:11:05,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:05,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170533279] [2024-11-09 12:11:05,163 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:11:05,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817984136] [2024-11-09 12:11:05,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817984136] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:11:05,164 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:11:05,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-09 12:11:05,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307246086] [2024-11-09 12:11:05,164 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:11:05,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:11:05,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:05,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:11:05,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:11:05,166 INFO L87 Difference]: Start difference. First operand 126 states and 133 transitions. Second operand has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 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) [2024-11-09 12:11:05,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:05,351 INFO L93 Difference]: Finished difference Result 305 states and 327 transitions. [2024-11-09 12:11:05,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:11:05,352 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 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 65 [2024-11-09 12:11:05,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:05,354 INFO L225 Difference]: With dead ends: 305 [2024-11-09 12:11:05,354 INFO L226 Difference]: Without dead ends: 303 [2024-11-09 12:11:05,354 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:11:05,355 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 340 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:11:05,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 311 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:11:05,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-11-09 12:11:05,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 203. [2024-11-09 12:11:05,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 160 states have (on average 1.36875) internal successors, (219), 186 states have internal predecessors, (219), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 12:11:05,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 249 transitions. [2024-11-09 12:11:05,371 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 249 transitions. Word has length 65 [2024-11-09 12:11:05,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:05,371 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 249 transitions. [2024-11-09 12:11:05,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 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) [2024-11-09 12:11:05,371 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 249 transitions. [2024-11-09 12:11:05,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 12:11:05,372 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:05,372 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:11:05,391 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 12:11:05,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:05,574 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 12:11:05,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:05,575 INFO L85 PathProgramCache]: Analyzing trace with hash 809495382, now seen corresponding path program 1 times [2024-11-09 12:11:05,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:05,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061270247] [2024-11-09 12:11:05,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:05,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:05,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:11:05,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [713467285] [2024-11-09 12:11:05,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:05,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:05,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:11:05,595 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) [2024-11-09 12:11:05,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 12:11:05,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:05,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:11:05,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:11:05,731 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 12:11:05,732 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:11:05,867 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 12:11:05,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:05,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061270247] [2024-11-09 12:11:05,868 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:11:05,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [713467285] [2024-11-09 12:11:05,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [713467285] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:11:05,868 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:11:05,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-09 12:11:05,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859732004] [2024-11-09 12:11:05,868 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:11:05,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:11:05,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:05,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:11:05,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:11:05,869 INFO L87 Difference]: Start difference. First operand 203 states and 249 transitions. Second operand has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-09 12:11:06,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:06,108 INFO L93 Difference]: Finished difference Result 263 states and 326 transitions. [2024-11-09 12:11:06,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:11:06,109 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 72 [2024-11-09 12:11:06,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:06,110 INFO L225 Difference]: With dead ends: 263 [2024-11-09 12:11:06,110 INFO L226 Difference]: Without dead ends: 255 [2024-11-09 12:11:06,111 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:11:06,111 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 177 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:11:06,112 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 228 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:11:06,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-09 12:11:06,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 199. [2024-11-09 12:11:06,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 162 states have (on average 1.2592592592592593) internal successors, (204), 181 states have internal predecessors, (204), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 12:11:06,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 236 transitions. [2024-11-09 12:11:06,128 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 236 transitions. Word has length 72 [2024-11-09 12:11:06,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:06,128 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 236 transitions. [2024-11-09 12:11:06,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-09 12:11:06,129 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 236 transitions. [2024-11-09 12:11:06,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-09 12:11:06,132 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:06,132 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:11:06,150 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 12:11:06,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-09 12:11:06,333 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 12:11:06,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:06,334 INFO L85 PathProgramCache]: Analyzing trace with hash -675446858, now seen corresponding path program 1 times [2024-11-09 12:11:06,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:06,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456233480] [2024-11-09 12:11:06,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:06,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:06,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:06,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:11:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:06,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 12:11:06,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:06,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 12:11:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:06,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 12:11:06,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:06,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 12:11:06,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:06,465 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 12:11:06,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:06,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456233480] [2024-11-09 12:11:06,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456233480] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:11:06,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37739482] [2024-11-09 12:11:06,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:06,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:06,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:11:06,468 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) [2024-11-09 12:11:06,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 12:11:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:06,520 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:11:06,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:11:06,693 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 12:11:06,693 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:11:06,813 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 12:11:06,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [37739482] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:11:06,813 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:11:06,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-09 12:11:06,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375229208] [2024-11-09 12:11:06,813 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:11:06,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 12:11:06,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:06,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 12:11:06,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:11:06,818 INFO L87 Difference]: Start difference. First operand 199 states and 236 transitions. Second operand has 10 states, 9 states have (on average 14.11111111111111) internal successors, (127), 10 states have internal predecessors, (127), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-09 12:11:07,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:07,037 INFO L93 Difference]: Finished difference Result 199 states and 236 transitions. [2024-11-09 12:11:07,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:11:07,037 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 14.11111111111111) internal successors, (127), 10 states have internal predecessors, (127), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 73 [2024-11-09 12:11:07,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:07,039 INFO L225 Difference]: With dead ends: 199 [2024-11-09 12:11:07,039 INFO L226 Difference]: Without dead ends: 196 [2024-11-09 12:11:07,039 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-11-09 12:11:07,040 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 90 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:11:07,040 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 212 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:11:07,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-09 12:11:07,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2024-11-09 12:11:07,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 162 states have (on average 1.2160493827160495) internal successors, (197), 178 states have internal predecessors, (197), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 12:11:07,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 229 transitions. [2024-11-09 12:11:07,052 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 229 transitions. Word has length 73 [2024-11-09 12:11:07,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:07,053 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 229 transitions. [2024-11-09 12:11:07,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 14.11111111111111) internal successors, (127), 10 states have internal predecessors, (127), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-09 12:11:07,053 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 229 transitions. [2024-11-09 12:11:07,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 12:11:07,054 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:07,054 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:11:07,073 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 12:11:07,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:07,255 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 12:11:07,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:07,256 INFO L85 PathProgramCache]: Analyzing trace with hash 535983960, now seen corresponding path program 1 times [2024-11-09 12:11:07,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:07,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881318581] [2024-11-09 12:11:07,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:07,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:07,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:11:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:07,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 12:11:07,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:07,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 12:11:07,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:07,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 12:11:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:07,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 12:11:07,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:07,357 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 12:11:07,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:07,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881318581] [2024-11-09 12:11:07,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881318581] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:11:07,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134865878] [2024-11-09 12:11:07,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:07,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:07,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:11:07,360 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:11:07,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 12:11:07,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:07,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:11:07,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:11:07,561 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 12:11:07,561 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:11:07,673 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 12:11:07,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [134865878] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:11:07,674 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:11:07,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-09 12:11:07,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603625719] [2024-11-09 12:11:07,674 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:11:07,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 12:11:07,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:07,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 12:11:07,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:11:07,676 INFO L87 Difference]: Start difference. First operand 196 states and 229 transitions. Second operand has 10 states, 9 states have (on average 14.333333333333334) internal successors, (129), 10 states have internal predecessors, (129), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-09 12:11:07,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:07,864 INFO L93 Difference]: Finished difference Result 222 states and 261 transitions. [2024-11-09 12:11:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 12:11:07,865 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 14.333333333333334) internal successors, (129), 10 states have internal predecessors, (129), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 74 [2024-11-09 12:11:07,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:07,866 INFO L225 Difference]: With dead ends: 222 [2024-11-09 12:11:07,867 INFO L226 Difference]: Without dead ends: 213 [2024-11-09 12:11:07,867 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=72, Unknown=0, NotChecked=0, Total=132 [2024-11-09 12:11:07,867 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 155 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:11:07,868 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 206 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:11:07,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-11-09 12:11:07,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 189. [2024-11-09 12:11:07,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 162 states have (on average 1.117283950617284) internal successors, (181), 171 states have internal predecessors, (181), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 12:11:07,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 213 transitions. [2024-11-09 12:11:07,876 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 213 transitions. Word has length 74 [2024-11-09 12:11:07,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:07,876 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 213 transitions. [2024-11-09 12:11:07,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 14.333333333333334) internal successors, (129), 10 states have internal predecessors, (129), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-09 12:11:07,877 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 213 transitions. [2024-11-09 12:11:07,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 12:11:07,877 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:07,877 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:11:07,891 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 12:11:08,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:08,078 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 12:11:08,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:08,079 INFO L85 PathProgramCache]: Analyzing trace with hash -315487398, now seen corresponding path program 1 times [2024-11-09 12:11:08,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:08,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428467894] [2024-11-09 12:11:08,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:08,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:08,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:08,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:11:08,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:08,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 12:11:08,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:08,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 12:11:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:08,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 12:11:08,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:08,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 12:11:08,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:08,188 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 12:11:08,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:08,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428467894] [2024-11-09 12:11:08,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428467894] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:11:08,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828708968] [2024-11-09 12:11:08,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:08,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:08,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:11:08,190 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:11:08,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 12:11:08,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:08,228 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 12:11:08,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:11:08,430 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 12:11:08,430 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:11:08,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [828708968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:11:08,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:11:08,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-09 12:11:08,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597942061] [2024-11-09 12:11:08,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:11:08,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:11:08,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:08,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:11:08,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:11:08,432 INFO L87 Difference]: Start difference. First operand 189 states and 213 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 12:11:08,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:08,538 INFO L93 Difference]: Finished difference Result 189 states and 213 transitions. [2024-11-09 12:11:08,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:11:08,539 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 76 [2024-11-09 12:11:08,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:08,540 INFO L225 Difference]: With dead ends: 189 [2024-11-09 12:11:08,540 INFO L226 Difference]: Without dead ends: 159 [2024-11-09 12:11:08,541 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:11:08,541 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 35 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:11:08,541 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 137 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:11:08,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-09 12:11:08,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2024-11-09 12:11:08,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 140 states have (on average 1.0357142857142858) internal successors, (145), 143 states have internal predecessors, (145), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 12:11:08,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 173 transitions. [2024-11-09 12:11:08,552 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 173 transitions. Word has length 76 [2024-11-09 12:11:08,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:08,552 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 173 transitions. [2024-11-09 12:11:08,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 12:11:08,553 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 173 transitions. [2024-11-09 12:11:08,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-09 12:11:08,554 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:08,554 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2024-11-09 12:11:08,569 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 12:11:08,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-09 12:11:08,756 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 12:11:08,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:08,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1290551230, now seen corresponding path program 1 times [2024-11-09 12:11:08,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:08,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044881038] [2024-11-09 12:11:08,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:08,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:08,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:11:08,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:08,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 12:11:08,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:08,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 12:11:08,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:08,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 12:11:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:08,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 12:11:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:08,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 12:11:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:09,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 12:11:09,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:09,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 12:11:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:09,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 12:11:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:09,014 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 12:11:09,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:09,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044881038] [2024-11-09 12:11:09,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044881038] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:11:09,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [513984101] [2024-11-09 12:11:09,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:09,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:09,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:11:09,017 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:11:09,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 12:11:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:09,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 12:11:09,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:11:09,395 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 12:11:09,396 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:11:09,642 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 12:11:09,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [513984101] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:11:09,643 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:11:09,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2024-11-09 12:11:09,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596440128] [2024-11-09 12:11:09,643 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:11:09,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-09 12:11:09,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:09,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-09 12:11:09,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=236, Unknown=0, NotChecked=0, Total=380 [2024-11-09 12:11:09,645 INFO L87 Difference]: Start difference. First operand 159 states and 173 transitions. Second operand has 20 states, 19 states have (on average 14.68421052631579) internal successors, (279), 20 states have internal predecessors, (279), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-09 12:11:09,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:09,976 INFO L93 Difference]: Finished difference Result 246 states and 274 transitions. [2024-11-09 12:11:09,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 12:11:09,977 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 14.68421052631579) internal successors, (279), 20 states have internal predecessors, (279), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 139 [2024-11-09 12:11:09,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:09,981 INFO L225 Difference]: With dead ends: 246 [2024-11-09 12:11:09,982 INFO L226 Difference]: Without dead ends: 245 [2024-11-09 12:11:09,982 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=248, Invalid=402, Unknown=0, NotChecked=0, Total=650 [2024-11-09 12:11:09,983 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 7 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:11:09,983 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 254 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:11:09,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2024-11-09 12:11:09,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 243. [2024-11-09 12:11:09,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 217 states have (on average 1.0506912442396312) internal successors, (228), 220 states have internal predecessors, (228), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 12:11:10,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 270 transitions. [2024-11-09 12:11:10,001 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 270 transitions. Word has length 139 [2024-11-09 12:11:10,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:10,002 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 270 transitions. [2024-11-09 12:11:10,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 14.68421052631579) internal successors, (279), 20 states have internal predecessors, (279), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-09 12:11:10,002 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 270 transitions. [2024-11-09 12:11:10,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-09 12:11:10,003 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:10,005 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2024-11-09 12:11:10,023 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 12:11:10,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-09 12:11:10,207 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 12:11:10,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:10,207 INFO L85 PathProgramCache]: Analyzing trace with hash 127166872, now seen corresponding path program 2 times [2024-11-09 12:11:10,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:10,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135585049] [2024-11-09 12:11:10,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:10,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:10,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:10,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:11:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:10,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 12:11:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:10,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 12:11:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:10,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 12:11:10,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:10,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 12:11:10,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:10,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 12:11:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:10,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 12:11:10,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:10,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 12:11:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:10,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 12:11:10,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:10,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-09 12:11:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:10,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 12:11:10,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:10,428 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 12:11:10,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:10,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135585049] [2024-11-09 12:11:10,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135585049] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:11:10,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211181329] [2024-11-09 12:11:10,428 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 12:11:10,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:10,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:11:10,432 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:11:10,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 12:11:10,509 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 12:11:10,509 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:11:10,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 12:11:10,512 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:11:10,851 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 12:11:10,852 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:11:11,087 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 12:11:11,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211181329] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:11:11,088 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:11:11,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-11-09 12:11:11,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507890387] [2024-11-09 12:11:11,088 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:11:11,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-09 12:11:11,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:11,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-09 12:11:11,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=297, Unknown=0, NotChecked=0, Total=462 [2024-11-09 12:11:11,090 INFO L87 Difference]: Start difference. First operand 243 states and 270 transitions. Second operand has 22 states, 21 states have (on average 14.714285714285714) internal successors, (309), 22 states have internal predecessors, (309), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) [2024-11-09 12:11:11,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:11,423 INFO L93 Difference]: Finished difference Result 265 states and 292 transitions. [2024-11-09 12:11:11,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 12:11:11,424 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 14.714285714285714) internal successors, (309), 22 states have internal predecessors, (309), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) Word has length 164 [2024-11-09 12:11:11,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:11,425 INFO L225 Difference]: With dead ends: 265 [2024-11-09 12:11:11,426 INFO L226 Difference]: Without dead ends: 264 [2024-11-09 12:11:11,426 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=319, Invalid=551, Unknown=0, NotChecked=0, Total=870 [2024-11-09 12:11:11,426 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 88 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:11:11,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 272 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:11:11,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-11-09 12:11:11,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 260. [2024-11-09 12:11:11,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 232 states have (on average 1.043103448275862) internal successors, (242), 235 states have internal predecessors, (242), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 12:11:11,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 288 transitions. [2024-11-09 12:11:11,437 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 288 transitions. Word has length 164 [2024-11-09 12:11:11,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:11,438 INFO L471 AbstractCegarLoop]: Abstraction has 260 states and 288 transitions. [2024-11-09 12:11:11,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 14.714285714285714) internal successors, (309), 22 states have internal predecessors, (309), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) [2024-11-09 12:11:11,438 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 288 transitions. [2024-11-09 12:11:11,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-09 12:11:11,439 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:11,440 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2024-11-09 12:11:11,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-09 12:11:11,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-09 12:11:11,641 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 12:11:11,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:11,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1781711604, now seen corresponding path program 2 times [2024-11-09 12:11:11,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:11,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663559801] [2024-11-09 12:11:11,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:11,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:11:11,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1040393458] [2024-11-09 12:11:11,664 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 12:11:11,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:11,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:11:11,667 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:11:11,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 12:11:11,735 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 12:11:11,736 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:11:11,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 12:11:11,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:11:11,915 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 0 proven. 246 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 12:11:11,915 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:11:12,298 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 0 proven. 246 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 12:11:12,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:12,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663559801] [2024-11-09 12:11:12,299 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:11:12,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040393458] [2024-11-09 12:11:12,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1040393458] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:11:12,299 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:11:12,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-09 12:11:12,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18023572] [2024-11-09 12:11:12,299 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:11:12,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 12:11:12,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:12,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 12:11:12,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-09 12:11:12,301 INFO L87 Difference]: Start difference. First operand 260 states and 288 transitions. Second operand has 12 states, 11 states have (on average 24.545454545454547) internal successors, (270), 12 states have internal predecessors, (270), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2024-11-09 12:11:12,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:12,737 INFO L93 Difference]: Finished difference Result 365 states and 400 transitions. [2024-11-09 12:11:12,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 12:11:12,737 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 24.545454545454547) internal successors, (270), 12 states have internal predecessors, (270), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) Word has length 200 [2024-11-09 12:11:12,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:12,739 INFO L225 Difference]: With dead ends: 365 [2024-11-09 12:11:12,740 INFO L226 Difference]: Without dead ends: 364 [2024-11-09 12:11:12,740 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 388 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2024-11-09 12:11:12,740 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 122 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:11:12,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 711 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:11:12,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-11-09 12:11:12,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 354. [2024-11-09 12:11:12,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 318 states have (on average 1.0440251572327044) internal successors, (332), 321 states have internal predecessors, (332), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-09 12:11:12,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 394 transitions. [2024-11-09 12:11:12,757 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 394 transitions. Word has length 200 [2024-11-09 12:11:12,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:12,758 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 394 transitions. [2024-11-09 12:11:12,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 24.545454545454547) internal successors, (270), 12 states have internal predecessors, (270), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2024-11-09 12:11:12,758 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 394 transitions. [2024-11-09 12:11:12,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-09 12:11:12,760 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:12,760 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2024-11-09 12:11:12,777 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-09 12:11:12,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-09 12:11:12,961 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 12:11:12,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:12,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1307754032, now seen corresponding path program 2 times [2024-11-09 12:11:12,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:12,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095206719] [2024-11-09 12:11:12,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:12,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:12,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:11:12,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1013755886] [2024-11-09 12:11:12,989 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 12:11:12,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:12,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:11:12,991 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:11:12,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 12:11:13,129 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 12:11:13,130 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:11:13,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 12:11:13,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:11:13,577 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 0 proven. 258 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-09 12:11:13,577 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:11:13,967 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 0 proven. 258 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-09 12:11:13,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:13,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095206719] [2024-11-09 12:11:13,967 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:11:13,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1013755886] [2024-11-09 12:11:13,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1013755886] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:11:13,967 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:11:13,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6] total 15 [2024-11-09 12:11:13,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5378096] [2024-11-09 12:11:13,968 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:11:13,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 12:11:13,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:13,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 12:11:13,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-11-09 12:11:13,970 INFO L87 Difference]: Start difference. First operand 354 states and 394 transitions. Second operand has 16 states, 15 states have (on average 18.266666666666666) internal successors, (274), 16 states have internal predecessors, (274), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2024-11-09 12:11:14,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:14,690 INFO L93 Difference]: Finished difference Result 360 states and 399 transitions. [2024-11-09 12:11:14,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 12:11:14,691 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 18.266666666666666) internal successors, (274), 16 states have internal predecessors, (274), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) Word has length 207 [2024-11-09 12:11:14,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:14,692 INFO L225 Difference]: With dead ends: 360 [2024-11-09 12:11:14,692 INFO L226 Difference]: Without dead ends: 359 [2024-11-09 12:11:14,693 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=139, Invalid=241, Unknown=0, NotChecked=0, Total=380 [2024-11-09 12:11:14,693 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 113 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 1318 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 1325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 12:11:14,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 429 Invalid, 1325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1318 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 12:11:14,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-11-09 12:11:14,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 357. [2024-11-09 12:11:14,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 320 states have (on average 1.028125) internal successors, (329), 323 states have internal predecessors, (329), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-09 12:11:14,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 393 transitions. [2024-11-09 12:11:14,711 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 393 transitions. Word has length 207 [2024-11-09 12:11:14,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:14,711 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 393 transitions. [2024-11-09 12:11:14,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 18.266666666666666) internal successors, (274), 16 states have internal predecessors, (274), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2024-11-09 12:11:14,712 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 393 transitions. [2024-11-09 12:11:14,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2024-11-09 12:11:14,716 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:14,716 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1, 1, 1] [2024-11-09 12:11:14,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-09 12:11:14,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:14,921 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 12:11:14,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:14,921 INFO L85 PathProgramCache]: Analyzing trace with hash -455656642, now seen corresponding path program 2 times [2024-11-09 12:11:14,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:14,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559402887] [2024-11-09 12:11:14,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:14,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:14,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:15,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:11:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:15,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 12:11:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:15,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 12:11:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:15,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 12:11:15,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:15,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 12:11:15,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:15,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 12:11:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:15,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 12:11:15,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:15,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 12:11:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:15,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 12:11:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:15,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-09 12:11:15,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:15,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 12:11:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:15,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-09 12:11:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:15,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-09 12:11:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:15,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-09 12:11:15,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:15,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-09 12:11:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:15,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-09 12:11:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:15,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-09 12:11:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:15,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-09 12:11:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:15,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-09 12:11:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:15,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-09 12:11:15,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:15,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-09 12:11:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:15,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1533 backedges. 0 proven. 693 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-09 12:11:15,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:15,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559402887] [2024-11-09 12:11:15,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559402887] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:11:15,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444687880] [2024-11-09 12:11:15,511 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 12:11:15,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:15,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:11:15,513 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:11:15,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 12:11:15,587 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 12:11:15,587 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:11:15,590 INFO L255 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:11:15,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:11:15,904 INFO L134 CoverageAnalysis]: Checked inductivity of 1533 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 1461 trivial. 0 not checked. [2024-11-09 12:11:15,904 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:11:16,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1533 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 1461 trivial. 0 not checked. [2024-11-09 12:11:16,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444687880] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:11:16,319 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:11:16,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 5, 5] total 23 [2024-11-09 12:11:16,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721349567] [2024-11-09 12:11:16,320 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:11:16,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-09 12:11:16,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:16,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-09 12:11:16,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=478, Unknown=0, NotChecked=0, Total=552 [2024-11-09 12:11:16,322 INFO L87 Difference]: Start difference. First operand 357 states and 393 transitions. Second operand has 24 states, 23 states have (on average 13.26086956521739) internal successors, (305), 24 states have internal predecessors, (305), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) [2024-11-09 12:11:17,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:17,777 INFO L93 Difference]: Finished difference Result 357 states and 393 transitions. [2024-11-09 12:11:17,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-09 12:11:17,778 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 13.26086956521739) internal successors, (305), 24 states have internal predecessors, (305), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) Word has length 319 [2024-11-09 12:11:17,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:17,780 INFO L225 Difference]: With dead ends: 357 [2024-11-09 12:11:17,780 INFO L226 Difference]: Without dead ends: 356 [2024-11-09 12:11:17,782 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 728 GetRequests, 672 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 724 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=511, Invalid=2795, Unknown=0, NotChecked=0, Total=3306 [2024-11-09 12:11:17,783 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 368 mSDsluCounter, 1519 mSDsCounter, 0 mSdLazyCounter, 1860 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 1660 SdHoareTripleChecker+Invalid, 1915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 1860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 12:11:17,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 1660 Invalid, 1915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 1860 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 12:11:17,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-11-09 12:11:17,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2024-11-09 12:11:17,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 320 states have (on average 1.015625) internal successors, (325), 322 states have internal predecessors, (325), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-09 12:11:17,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 389 transitions. [2024-11-09 12:11:17,814 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 389 transitions. Word has length 319 [2024-11-09 12:11:17,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:17,815 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 389 transitions. [2024-11-09 12:11:17,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 13.26086956521739) internal successors, (305), 24 states have internal predecessors, (305), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) [2024-11-09 12:11:17,815 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 389 transitions. [2024-11-09 12:11:17,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2024-11-09 12:11:17,819 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:17,819 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1] [2024-11-09 12:11:17,840 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-09 12:11:18,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2024-11-09 12:11:18,025 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 12:11:18,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:18,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1276337688, now seen corresponding path program 3 times [2024-11-09 12:11:18,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:18,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786257382] [2024-11-09 12:11:18,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:18,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:18,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:11:18,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:18,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 12:11:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:18,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 12:11:18,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:18,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 12:11:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:18,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 12:11:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:18,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 12:11:18,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:18,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 12:11:18,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:18,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 12:11:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:18,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 12:11:18,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:18,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-09 12:11:18,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:18,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 12:11:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:18,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-09 12:11:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:18,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-09 12:11:18,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:18,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-09 12:11:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:18,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-09 12:11:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:18,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-09 12:11:18,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:18,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-09 12:11:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:18,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-09 12:11:18,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:18,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-09 12:11:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:18,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-09 12:11:18,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:18,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-09 12:11:18,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:18,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-11-09 12:11:18,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:18,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-11-09 12:11:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:18,644 INFO L134 CoverageAnalysis]: Checked inductivity of 1824 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 12:11:18,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:18,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786257382] [2024-11-09 12:11:18,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786257382] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:11:18,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551595810] [2024-11-09 12:11:18,644 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 12:11:18,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:18,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:11:18,646 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:11:18,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 12:11:18,707 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-09 12:11:18,707 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:11:18,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 12:11:18,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:11:19,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1824 backedges. 126 proven. 155 refuted. 0 times theorem prover too weak. 1543 trivial. 0 not checked. [2024-11-09 12:11:19,643 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:11:37,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1551595810] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:11:37,600 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:11:37,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 9] total 25 [2024-11-09 12:11:37,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056850198] [2024-11-09 12:11:37,601 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:11:37,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 12:11:37,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:37,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 12:11:37,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2024-11-09 12:11:37,604 INFO L87 Difference]: Start difference. First operand 356 states and 389 transitions. Second operand has 26 states, 25 states have (on average 11.6) internal successors, (290), 26 states have internal predecessors, (290), 11 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) [2024-11-09 12:11:38,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:38,327 INFO L93 Difference]: Finished difference Result 358 states and 391 transitions. [2024-11-09 12:11:38,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 12:11:38,329 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 11.6) internal successors, (290), 26 states have internal predecessors, (290), 11 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) Word has length 344 [2024-11-09 12:11:38,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:38,331 INFO L225 Difference]: With dead ends: 358 [2024-11-09 12:11:38,331 INFO L226 Difference]: Without dead ends: 356 [2024-11-09 12:11:38,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 409 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=340, Invalid=1300, Unknown=0, NotChecked=0, Total=1640 [2024-11-09 12:11:38,333 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 238 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:11:38,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 165 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:11:38,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-11-09 12:11:38,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 351. [2024-11-09 12:11:38,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 318 states have (on average 1.0031446540880504) internal successors, (319), 318 states have internal predecessors, (319), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-09 12:11:38,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 381 transitions. [2024-11-09 12:11:38,367 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 381 transitions. Word has length 344 [2024-11-09 12:11:38,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:38,367 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 381 transitions. [2024-11-09 12:11:38,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 11.6) internal successors, (290), 26 states have internal predecessors, (290), 11 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) [2024-11-09 12:11:38,368 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 381 transitions. [2024-11-09 12:11:38,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2024-11-09 12:11:38,374 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:11:38,374 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1] [2024-11-09 12:11:38,394 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-09 12:11:38,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:38,575 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-09 12:11:38,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:11:38,575 INFO L85 PathProgramCache]: Analyzing trace with hash 313678260, now seen corresponding path program 3 times [2024-11-09 12:11:38,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:11:38,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194642661] [2024-11-09 12:11:38,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:11:38,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:11:38,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:39,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 12:11:39,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:39,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 12:11:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:39,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 12:11:39,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:39,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 12:11:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:39,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 12:11:39,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:39,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 12:11:39,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:39,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 12:11:39,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:39,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 12:11:39,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:39,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 12:11:39,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:39,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-09 12:11:39,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:39,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-09 12:11:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:39,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-09 12:11:39,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:39,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-09 12:11:39,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:39,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-09 12:11:39,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:39,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-09 12:11:39,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:39,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-09 12:11:39,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:39,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-09 12:11:39,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:39,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-09 12:11:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:39,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-09 12:11:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:39,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-09 12:11:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:39,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-09 12:11:39,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:39,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-11-09 12:11:39,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:39,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-11-09 12:11:39,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:39,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-11-09 12:11:39,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:39,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-11-09 12:11:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:39,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2024-11-09 12:11:39,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:39,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2024-11-09 12:11:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:39,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2024-11-09 12:11:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:39,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2024-11-09 12:11:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:39,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2024-11-09 12:11:39,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:39,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2024-11-09 12:11:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:11:39,809 INFO L134 CoverageAnalysis]: Checked inductivity of 3465 backedges. 174 proven. 1431 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-09 12:11:39,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:11:39,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194642661] [2024-11-09 12:11:39,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194642661] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:11:39,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437542892] [2024-11-09 12:11:39,810 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 12:11:39,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:39,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:11:39,811 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:11:39,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-09 12:11:39,888 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-09 12:11:39,888 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:11:39,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 12:11:39,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:11:40,205 INFO L134 CoverageAnalysis]: Checked inductivity of 3465 backedges. 438 proven. 0 refuted. 0 times theorem prover too weak. 3027 trivial. 0 not checked. [2024-11-09 12:11:40,205 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:11:40,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [437542892] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:11:40,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:11:40,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [23] total 30 [2024-11-09 12:11:40,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763320267] [2024-11-09 12:11:40,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:11:40,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 12:11:40,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:11:40,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 12:11:40,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=760, Unknown=0, NotChecked=0, Total=870 [2024-11-09 12:11:40,208 INFO L87 Difference]: Start difference. First operand 351 states and 381 transitions. Second operand has 9 states, 8 states have (on average 8.375) internal successors, (67), 9 states have internal predecessors, (67), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-09 12:11:40,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:11:40,644 INFO L93 Difference]: Finished difference Result 351 states and 381 transitions. [2024-11-09 12:11:40,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 12:11:40,645 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.375) internal successors, (67), 9 states have internal predecessors, (67), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 470 [2024-11-09 12:11:40,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:11:40,647 INFO L225 Difference]: With dead ends: 351 [2024-11-09 12:11:40,647 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 12:11:40,651 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 559 GetRequests, 526 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=147, Invalid=1043, Unknown=0, NotChecked=0, Total=1190 [2024-11-09 12:11:40,651 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 122 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:11:40,652 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 74 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:11:40,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 12:11:40,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 12:11:40,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:11:40,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 12:11:40,652 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 470 [2024-11-09 12:11:40,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:11:40,652 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 12:11:40,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.375) internal successors, (67), 9 states have internal predecessors, (67), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-09 12:11:40,653 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 12:11:40,653 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 12:11:40,656 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 50 remaining) [2024-11-09 12:11:40,657 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 50 remaining) [2024-11-09 12:11:40,657 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 50 remaining) [2024-11-09 12:11:40,657 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 50 remaining) [2024-11-09 12:11:40,657 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 50 remaining) [2024-11-09 12:11:40,657 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 50 remaining) [2024-11-09 12:11:40,657 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 50 remaining) [2024-11-09 12:11:40,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 50 remaining) [2024-11-09 12:11:40,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 50 remaining) [2024-11-09 12:11:40,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 50 remaining) [2024-11-09 12:11:40,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 50 remaining) [2024-11-09 12:11:40,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 50 remaining) [2024-11-09 12:11:40,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 50 remaining) [2024-11-09 12:11:40,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 50 remaining) [2024-11-09 12:11:40,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 50 remaining) [2024-11-09 12:11:40,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 50 remaining) [2024-11-09 12:11:40,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 50 remaining) [2024-11-09 12:11:40,659 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 50 remaining) [2024-11-09 12:11:40,659 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 50 remaining) [2024-11-09 12:11:40,659 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 50 remaining) [2024-11-09 12:11:40,659 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 50 remaining) [2024-11-09 12:11:40,659 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 50 remaining) [2024-11-09 12:11:40,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 50 remaining) [2024-11-09 12:11:40,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 50 remaining) [2024-11-09 12:11:40,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 50 remaining) [2024-11-09 12:11:40,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 50 remaining) [2024-11-09 12:11:40,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 50 remaining) [2024-11-09 12:11:40,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 50 remaining) [2024-11-09 12:11:40,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 50 remaining) [2024-11-09 12:11:40,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 50 remaining) [2024-11-09 12:11:40,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 50 remaining) [2024-11-09 12:11:40,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 50 remaining) [2024-11-09 12:11:40,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 50 remaining) [2024-11-09 12:11:40,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 50 remaining) [2024-11-09 12:11:40,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 50 remaining) [2024-11-09 12:11:40,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 50 remaining) [2024-11-09 12:11:40,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 50 remaining) [2024-11-09 12:11:40,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 50 remaining) [2024-11-09 12:11:40,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 50 remaining) [2024-11-09 12:11:40,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 50 remaining) [2024-11-09 12:11:40,662 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 50 remaining) [2024-11-09 12:11:40,662 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 50 remaining) [2024-11-09 12:11:40,662 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 50 remaining) [2024-11-09 12:11:40,662 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 50 remaining) [2024-11-09 12:11:40,662 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 50 remaining) [2024-11-09 12:11:40,662 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 50 remaining) [2024-11-09 12:11:40,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 50 remaining) [2024-11-09 12:11:40,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 50 remaining) [2024-11-09 12:11:40,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 50 remaining) [2024-11-09 12:11:40,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 50 remaining) [2024-11-09 12:11:40,677 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-09 12:11:40,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:11:40,871 INFO L407 BasicCegarLoop]: Path program histogram: [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:11:40,873 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 12:11:42,094 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 12:11:42,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 12:11:42 BoogieIcfgContainer [2024-11-09 12:11:42,137 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 12:11:42,137 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 12:11:42,137 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 12:11:42,138 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 12:11:42,138 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:11:01" (3/4) ... [2024-11-09 12:11:42,140 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 12:11:42,145 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-09 12:11:42,153 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-09 12:11:42,153 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 12:11:42,153 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 12:11:42,153 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 12:11:42,261 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 12:11:42,262 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 12:11:42,262 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 12:11:42,262 INFO L158 Benchmark]: Toolchain (without parser) took 42202.01ms. Allocated memory was 161.5MB in the beginning and 283.1MB in the end (delta: 121.6MB). Free memory was 95.0MB in the beginning and 156.6MB in the end (delta: -61.6MB). Peak memory consumption was 62.2MB. Max. memory is 16.1GB. [2024-11-09 12:11:42,263 INFO L158 Benchmark]: CDTParser took 1.17ms. Allocated memory is still 109.1MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 12:11:42,263 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.90ms. Allocated memory is still 161.5MB. Free memory was 94.8MB in the beginning and 82.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 12:11:42,263 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.38ms. Allocated memory is still 161.5MB. Free memory was 82.2MB in the beginning and 80.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 12:11:42,263 INFO L158 Benchmark]: Boogie Preprocessor took 77.79ms. Allocated memory is still 161.5MB. Free memory was 80.4MB in the beginning and 135.4MB in the end (delta: -55.0MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2024-11-09 12:11:42,263 INFO L158 Benchmark]: RCFGBuilder took 604.06ms. Allocated memory is still 161.5MB. Free memory was 135.4MB in the beginning and 116.1MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 12:11:42,264 INFO L158 Benchmark]: TraceAbstraction took 41050.04ms. Allocated memory was 161.5MB in the beginning and 283.1MB in the end (delta: 121.6MB). Free memory was 115.4MB in the beginning and 161.9MB in the end (delta: -46.5MB). Peak memory consumption was 157.5MB. Max. memory is 16.1GB. [2024-11-09 12:11:42,264 INFO L158 Benchmark]: Witness Printer took 124.66ms. Allocated memory is still 283.1MB. Free memory was 161.9MB in the beginning and 156.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 12:11:42,269 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.17ms. Allocated memory is still 109.1MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.90ms. Allocated memory is still 161.5MB. Free memory was 94.8MB in the beginning and 82.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.38ms. Allocated memory is still 161.5MB. Free memory was 82.2MB in the beginning and 80.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.79ms. Allocated memory is still 161.5MB. Free memory was 80.4MB in the beginning and 135.4MB in the end (delta: -55.0MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * RCFGBuilder took 604.06ms. Allocated memory is still 161.5MB. Free memory was 135.4MB in the beginning and 116.1MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 41050.04ms. Allocated memory was 161.5MB in the beginning and 283.1MB in the end (delta: 121.6MB). Free memory was 115.4MB in the beginning and 161.9MB in the end (delta: -46.5MB). Peak memory consumption was 157.5MB. Max. memory is 16.1GB. * Witness Printer took 124.66ms. Allocated memory is still 283.1MB. Free memory was 161.9MB in the beginning and 156.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 122 locations, 50 error locations. Started 1 CEGAR loops. OverallTime: 39.7s, OverallIterations: 22, TraceHistogramMax: 31, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2467 SdHoareTripleChecker+Valid, 4.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2407 mSDsluCounter, 6367 SdHoareTripleChecker+Invalid, 3.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4707 mSDsCounter, 326 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6503 IncrementalHoareTripleChecker+Invalid, 6829 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 326 mSolverCounterUnsat, 1660 mSDtfsCounter, 6503 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4145 GetRequests, 3878 SyntacticMatches, 0 SemanticMatches, 267 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1767 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=357occurred in iteration=19, InterpolantAutomatonStates: 188, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 22 MinimizatonAttempts, 348 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 27.8s InterpolantComputationTime, 4869 NumberOfCodeBlocks, 4172 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 5621 ConstructedInterpolants, 4 QuantifiedInterpolants, 27812 SizeOfPredicates, 12 NumberOfNonLiveVariables, 2696 ConjunctsInSsa, 125 ConjunctsInUnsatCore, 42 InterpolantComputations, 11 PerfectInterpolantSequences, 14991/20128 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 50 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((t == 1) && (n <= 50)) && (a == 0)) && (0 <= n)) && (s == 1)) || (((((((((((((((__int128) t * t) + ((__int128) 2 * t)) + 1) >= 0) ? (((((__int128) t * t) + ((__int128) 2 * t)) + 1) % 4) : ((((((__int128) t * t) + ((__int128) 2 * t)) + 1) % 4) + 4)) == 0) && (((__int128) t + 1) <= s)) && (s <= 2863311528)) && (3 <= t)) && (1 <= a)) && (n <= 50)) && (a <= 4611686018427387903)) && (s <= ((__int128) t + 50))) && (0 <= n))) - ProcedureContractResult [Line: 11]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (cond != 0) RESULT: Ultimate proved your program to be correct! [2024-11-09 12:11:42,304 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE