./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound2.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/hard-ll_unwindbound2.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 a74f29702f111ed73ba2cd9dfef16b5785bcb6a565ff8c65e98f4116fd8b0956 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:54:33,213 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:54:33,265 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 11:54:33,269 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:54:33,270 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:54:33,298 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:54:33,299 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:54:33,299 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:54:33,300 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:54:33,300 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:54:33,300 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:54:33,301 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:54:33,302 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:54:33,302 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:54:33,302 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:54:33,303 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:54:33,303 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:54:33,304 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 11:54:33,304 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:54:33,304 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 11:54:33,305 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:54:33,305 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:54:33,306 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:54:33,306 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:54:33,306 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:54:33,306 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:54:33,307 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:54:33,307 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 11:54:33,307 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:54:33,308 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:54:33,308 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:54:33,308 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:54:33,308 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:54:33,309 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:54:33,309 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:54:33,310 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:54:33,310 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:54:33,310 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:54:33,310 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:54:33,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:54:33,311 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:54:33,312 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:54:33,313 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:54:33,313 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:54:33,313 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a74f29702f111ed73ba2cd9dfef16b5785bcb6a565ff8c65e98f4116fd8b0956 [2024-11-09 11:54:33,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:54:33,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:54:33,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:54:33,593 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:54:33,594 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:54:33,595 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound2.c [2024-11-09 11:54:34,976 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:54:35,163 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:54:35,164 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound2.c [2024-11-09 11:54:35,172 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d14c7401/80c9fe7efeea4fb1910fba4cf28bf63d/FLAGe8bc6229b [2024-11-09 11:54:35,551 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d14c7401/80c9fe7efeea4fb1910fba4cf28bf63d [2024-11-09 11:54:35,554 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:54:35,555 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:54:35,556 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:54:35,556 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:54:35,561 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:54:35,562 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:54:35" (1/1) ... [2024-11-09 11:54:35,563 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23532aa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:35, skipping insertion in model container [2024-11-09 11:54:35,563 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:54:35" (1/1) ... [2024-11-09 11:54:35,583 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:54:35,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:54:35,832 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:54:35,858 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:54:35,874 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:54:35,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:35 WrapperNode [2024-11-09 11:54:35,875 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:54:35,877 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:54:35,877 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:54:35,877 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:54:35,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:35" (1/1) ... [2024-11-09 11:54:35,891 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:35" (1/1) ... [2024-11-09 11:54:35,921 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 100 [2024-11-09 11:54:35,921 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:54:35,922 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:54:35,923 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:54:35,923 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:54:35,933 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:35" (1/1) ... [2024-11-09 11:54:35,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:35" (1/1) ... [2024-11-09 11:54:35,935 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:35" (1/1) ... [2024-11-09 11:54:35,957 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 11:54:35,958 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:35" (1/1) ... [2024-11-09 11:54:35,958 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:35" (1/1) ... [2024-11-09 11:54:35,967 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:35" (1/1) ... [2024-11-09 11:54:35,970 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:35" (1/1) ... [2024-11-09 11:54:35,973 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:35" (1/1) ... [2024-11-09 11:54:35,974 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:35" (1/1) ... [2024-11-09 11:54:35,976 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:54:35,976 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:54:35,977 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:54:35,977 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:54:35,978 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:35" (1/1) ... [2024-11-09 11:54:35,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:54:36,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:54:36,015 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 11:54:36,017 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 11:54:36,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 11:54:36,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 11:54:36,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:54:36,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:54:36,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 11:54:36,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 11:54:36,123 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:54:36,125 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:54:36,553 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-09 11:54:36,553 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:54:36,573 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:54:36,573 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 11:54:36,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:54:36 BoogieIcfgContainer [2024-11-09 11:54:36,573 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:54:36,577 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:54:36,577 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:54:36,580 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:54:36,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:54:35" (1/3) ... [2024-11-09 11:54:36,582 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65581b67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:54:36, skipping insertion in model container [2024-11-09 11:54:36,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:54:35" (2/3) ... [2024-11-09 11:54:36,583 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65581b67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:54:36, skipping insertion in model container [2024-11-09 11:54:36,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:54:36" (3/3) ... [2024-11-09 11:54:36,585 INFO L112 eAbstractionObserver]: Analyzing ICFG hard-ll_unwindbound2.c [2024-11-09 11:54:36,605 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:54:36,606 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2024-11-09 11:54:36,677 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:54:36,684 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;@167b1e38, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:54:36,685 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-11-09 11:54:36,689 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 47 states have (on average 1.7872340425531914) internal successors, (84), 75 states have internal predecessors, (84), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 11:54:36,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 11:54:36,696 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:54:36,697 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 11:54:36,697 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:54:36,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:54:36,704 INFO L85 PathProgramCache]: Analyzing trace with hash 889508776, now seen corresponding path program 1 times [2024-11-09 11:54:36,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:54:36,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374009561] [2024-11-09 11:54:36,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:54:36,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:54:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:36,836 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 11:54:36,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:54:36,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374009561] [2024-11-09 11:54:36,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374009561] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:54:36,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:54:36,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:54:36,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476716953] [2024-11-09 11:54:36,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:54:36,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 11:54:36,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:54:36,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 11:54:36,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 11:54:36,861 INFO L87 Difference]: Start difference. First operand has 84 states, 47 states have (on average 1.7872340425531914) internal successors, (84), 75 states have internal predecessors, (84), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) 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 11:54:36,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:54:36,885 INFO L93 Difference]: Finished difference Result 164 states and 198 transitions. [2024-11-09 11:54:36,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 11:54:36,886 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 11:54:36,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:54:36,892 INFO L225 Difference]: With dead ends: 164 [2024-11-09 11:54:36,892 INFO L226 Difference]: Without dead ends: 76 [2024-11-09 11:54:36,895 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 11:54:36,897 INFO L432 NwaCegarLoop]: 93 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, 93 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 11:54:36,898 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:54:36,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-09 11:54:36,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-09 11:54:36,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 42 states have (on average 1.7619047619047619) internal successors, (74), 69 states have internal predecessors, (74), 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 11:54:36,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 84 transitions. [2024-11-09 11:54:36,941 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 84 transitions. Word has length 6 [2024-11-09 11:54:36,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:54:36,941 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 84 transitions. [2024-11-09 11:54:36,941 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 11:54:36,942 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2024-11-09 11:54:36,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 11:54:36,942 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:54:36,942 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 11:54:36,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:54:36,943 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:54:36,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:54:36,943 INFO L85 PathProgramCache]: Analyzing trace with hash 889568358, now seen corresponding path program 1 times [2024-11-09 11:54:36,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:54:36,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662260074] [2024-11-09 11:54:36,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:54:36,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:54:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:37,036 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 11:54:37,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:54:37,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662260074] [2024-11-09 11:54:37,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662260074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:54:37,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:54:37,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:54:37,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306390989] [2024-11-09 11:54:37,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:54:37,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:54:37,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:54:37,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:54:37,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:54:37,045 INFO L87 Difference]: Start difference. First operand 76 states and 84 transitions. Second operand has 4 states, 3 states have (on average 2.0) 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 11:54:37,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:54:37,114 INFO L93 Difference]: Finished difference Result 85 states and 92 transitions. [2024-11-09 11:54:37,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:54:37,114 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) 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 11:54:37,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:54:37,116 INFO L225 Difference]: With dead ends: 85 [2024-11-09 11:54:37,116 INFO L226 Difference]: Without dead ends: 84 [2024-11-09 11:54:37,117 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 11:54:37,119 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 34 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:54:37,119 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 202 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:54:37,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-09 11:54:37,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 79. [2024-11-09 11:54:37,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 45 states have (on average 1.6888888888888889) internal successors, (76), 71 states have internal predecessors, (76), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 11:54:37,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 86 transitions. [2024-11-09 11:54:37,136 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 86 transitions. Word has length 6 [2024-11-09 11:54:37,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:54:37,137 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 86 transitions. [2024-11-09 11:54:37,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) 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 11:54:37,137 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 86 transitions. [2024-11-09 11:54:37,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 11:54:37,137 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:54:37,138 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:54:37,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 11:54:37,138 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:54:37,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:54:37,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815370, now seen corresponding path program 1 times [2024-11-09 11:54:37,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:54:37,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253532599] [2024-11-09 11:54:37,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:54:37,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:54:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:37,224 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 11:54:37,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:54:37,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253532599] [2024-11-09 11:54:37,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253532599] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:54:37,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:54:37,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:54:37,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607028271] [2024-11-09 11:54:37,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:54:37,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:54:37,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:54:37,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:54:37,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:54:37,227 INFO L87 Difference]: Start difference. First operand 79 states and 86 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:54:37,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:54:37,280 INFO L93 Difference]: Finished difference Result 134 states and 145 transitions. [2024-11-09 11:54:37,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:54:37,282 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-09 11:54:37,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:54:37,283 INFO L225 Difference]: With dead ends: 134 [2024-11-09 11:54:37,283 INFO L226 Difference]: Without dead ends: 83 [2024-11-09 11:54:37,284 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 11:54:37,285 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 3 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:54:37,286 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 229 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:54:37,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-09 11:54:37,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-09 11:54:37,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 49 states have (on average 1.6326530612244898) internal successors, (80), 75 states have internal predecessors, (80), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 11:54:37,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 90 transitions. [2024-11-09 11:54:37,298 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 90 transitions. Word has length 7 [2024-11-09 11:54:37,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:54:37,299 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 90 transitions. [2024-11-09 11:54:37,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:54:37,299 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 90 transitions. [2024-11-09 11:54:37,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 11:54:37,300 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:54:37,300 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:54:37,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 11:54:37,301 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:54:37,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:54:37,302 INFO L85 PathProgramCache]: Analyzing trace with hash 667309322, now seen corresponding path program 1 times [2024-11-09 11:54:37,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:54:37,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923821034] [2024-11-09 11:54:37,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:54:37,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:54:37,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:54:37,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [818218120] [2024-11-09 11:54:37,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:54:37,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:54:37,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:54:37,344 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 11:54:37,346 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 11:54:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:37,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:54:37,434 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:54:37,477 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 11:54:37,478 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:54:37,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:54:37,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923821034] [2024-11-09 11:54:37,479 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:54:37,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [818218120] [2024-11-09 11:54:37,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [818218120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:54:37,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:54:37,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:54:37,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894729278] [2024-11-09 11:54:37,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:54:37,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:54:37,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:54:37,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:54:37,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:54:37,483 INFO L87 Difference]: Start difference. First operand 83 states and 90 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:54:37,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:54:37,575 INFO L93 Difference]: Finished difference Result 176 states and 195 transitions. [2024-11-09 11:54:37,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:54:37,575 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2024-11-09 11:54:37,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:54:37,577 INFO L225 Difference]: With dead ends: 176 [2024-11-09 11:54:37,578 INFO L226 Difference]: Without dead ends: 122 [2024-11-09 11:54:37,579 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 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 11:54:37,580 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 33 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:54:37,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 135 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:54:37,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-09 11:54:37,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 106. [2024-11-09 11:54:37,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 67 states have (on average 1.6119402985074627) internal successors, (108), 93 states have internal predecessors, (108), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 11:54:37,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 128 transitions. [2024-11-09 11:54:37,597 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 128 transitions. Word has length 19 [2024-11-09 11:54:37,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:54:37,598 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 128 transitions. [2024-11-09 11:54:37,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:54:37,598 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 128 transitions. [2024-11-09 11:54:37,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 11:54:37,599 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:54:37,599 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] [2024-11-09 11:54:37,615 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 11:54:37,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:54:37,804 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:54:37,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:54:37,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1596807332, now seen corresponding path program 1 times [2024-11-09 11:54:37,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:54:37,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261518116] [2024-11-09 11:54:37,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:54:37,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:54:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:37,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:54:37,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:37,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:54:37,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:37,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 11:54:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:37,923 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 11:54:37,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:54:37,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261518116] [2024-11-09 11:54:37,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261518116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:54:37,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:54:37,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:54:37,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083814452] [2024-11-09 11:54:37,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:54:37,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:54:37,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:54:37,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:54:37,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:54:37,930 INFO L87 Difference]: Start difference. First operand 106 states and 128 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 11:54:38,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:54:38,013 INFO L93 Difference]: Finished difference Result 106 states and 128 transitions. [2024-11-09 11:54:38,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:54:38,013 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 27 [2024-11-09 11:54:38,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:54:38,014 INFO L225 Difference]: With dead ends: 106 [2024-11-09 11:54:38,015 INFO L226 Difference]: Without dead ends: 104 [2024-11-09 11:54:38,015 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 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 11:54:38,016 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 47 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:54:38,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 70 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:54:38,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-09 11:54:38,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-11-09 11:54:38,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 67 states have (on average 1.5671641791044777) internal successors, (105), 91 states have internal predecessors, (105), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 11:54:38,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 125 transitions. [2024-11-09 11:54:38,025 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 125 transitions. Word has length 27 [2024-11-09 11:54:38,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:54:38,026 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 125 transitions. [2024-11-09 11:54:38,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 11:54:38,026 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 125 transitions. [2024-11-09 11:54:38,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 11:54:38,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:54:38,027 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] [2024-11-09 11:54:38,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 11:54:38,029 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:54:38,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:54:38,030 INFO L85 PathProgramCache]: Analyzing trace with hash -2038581697, now seen corresponding path program 1 times [2024-11-09 11:54:38,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:54:38,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478333395] [2024-11-09 11:54:38,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:54:38,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:54:38,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:38,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:54:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:38,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:54:38,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:38,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 11:54:38,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:38,199 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 11:54:38,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:54:38,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478333395] [2024-11-09 11:54:38,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478333395] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:54:38,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:54:38,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 11:54:38,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865496031] [2024-11-09 11:54:38,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:54:38,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:54:38,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:54:38,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:54:38,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:54:38,207 INFO L87 Difference]: Start difference. First operand 104 states and 125 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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 11:54:38,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:54:38,276 INFO L93 Difference]: Finished difference Result 104 states and 125 transitions. [2024-11-09 11:54:38,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:54:38,276 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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 28 [2024-11-09 11:54:38,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:54:38,277 INFO L225 Difference]: With dead ends: 104 [2024-11-09 11:54:38,277 INFO L226 Difference]: Without dead ends: 103 [2024-11-09 11:54:38,278 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:54:38,278 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 72 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:54:38,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 205 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:54:38,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-09 11:54:38,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-11-09 11:54:38,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 67 states have (on average 1.537313432835821) internal successors, (103), 90 states have internal predecessors, (103), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 11:54:38,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 123 transitions. [2024-11-09 11:54:38,297 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 123 transitions. Word has length 28 [2024-11-09 11:54:38,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:54:38,297 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 123 transitions. [2024-11-09 11:54:38,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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 11:54:38,298 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 123 transitions. [2024-11-09 11:54:38,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 11:54:38,298 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:54:38,298 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] [2024-11-09 11:54:38,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 11:54:38,299 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:54:38,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:54:38,299 INFO L85 PathProgramCache]: Analyzing trace with hash -2038580191, now seen corresponding path program 1 times [2024-11-09 11:54:38,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:54:38,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388983119] [2024-11-09 11:54:38,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:54:38,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:54:38,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:38,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:54:38,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:38,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:54:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:38,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 11:54:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:38,363 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 11:54:38,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:54:38,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388983119] [2024-11-09 11:54:38,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388983119] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:54:38,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:54:38,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:54:38,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546190070] [2024-11-09 11:54:38,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:54:38,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:54:38,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:54:38,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:54:38,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:54:38,366 INFO L87 Difference]: Start difference. First operand 103 states and 123 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 11:54:38,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:54:38,410 INFO L93 Difference]: Finished difference Result 113 states and 130 transitions. [2024-11-09 11:54:38,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:54:38,411 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 28 [2024-11-09 11:54:38,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:54:38,413 INFO L225 Difference]: With dead ends: 113 [2024-11-09 11:54:38,413 INFO L226 Difference]: Without dead ends: 112 [2024-11-09 11:54:38,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 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 11:54:38,415 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 21 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:54:38,416 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 126 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:54:38,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-09 11:54:38,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 103. [2024-11-09 11:54:38,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 67 states have (on average 1.5223880597014925) internal successors, (102), 90 states have internal predecessors, (102), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 11:54:38,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 122 transitions. [2024-11-09 11:54:38,432 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 122 transitions. Word has length 28 [2024-11-09 11:54:38,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:54:38,433 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 122 transitions. [2024-11-09 11:54:38,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 11:54:38,433 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 122 transitions. [2024-11-09 11:54:38,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 11:54:38,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:54:38,434 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] [2024-11-09 11:54:38,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 11:54:38,434 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:54:38,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:54:38,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1228476917, now seen corresponding path program 1 times [2024-11-09 11:54:38,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:54:38,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632962773] [2024-11-09 11:54:38,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:54:38,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:54:38,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:38,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:54:38,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:38,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:54:38,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:38,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 11:54:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:38,567 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 11:54:38,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:54:38,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632962773] [2024-11-09 11:54:38,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632962773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:54:38,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:54:38,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 11:54:38,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013967033] [2024-11-09 11:54:38,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:54:38,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:54:38,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:54:38,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:54:38,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:54:38,570 INFO L87 Difference]: Start difference. First operand 103 states and 122 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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 11:54:38,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:54:38,646 INFO L93 Difference]: Finished difference Result 120 states and 136 transitions. [2024-11-09 11:54:38,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:54:38,646 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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 29 [2024-11-09 11:54:38,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:54:38,647 INFO L225 Difference]: With dead ends: 120 [2024-11-09 11:54:38,648 INFO L226 Difference]: Without dead ends: 111 [2024-11-09 11:54:38,648 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:54:38,649 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 20 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:54:38,649 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 344 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:54:38,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-09 11:54:38,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 107. [2024-11-09 11:54:38,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 70 states have (on average 1.4714285714285715) internal successors, (103), 93 states have internal predecessors, (103), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 11:54:38,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 123 transitions. [2024-11-09 11:54:38,659 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 123 transitions. Word has length 29 [2024-11-09 11:54:38,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:54:38,659 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 123 transitions. [2024-11-09 11:54:38,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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 11:54:38,660 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 123 transitions. [2024-11-09 11:54:38,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 11:54:38,660 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:54:38,661 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] [2024-11-09 11:54:38,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 11:54:38,661 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:54:38,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:54:38,662 INFO L85 PathProgramCache]: Analyzing trace with hash -549686313, now seen corresponding path program 1 times [2024-11-09 11:54:38,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:54:38,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391834638] [2024-11-09 11:54:38,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:54:38,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:54:38,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:54:38,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1733265833] [2024-11-09 11:54:38,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:54:38,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:54:38,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:54:38,682 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 11:54:38,684 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 11:54:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:38,739 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:54:38,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:54:38,779 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 11:54:38,780 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:54:38,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:54:38,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391834638] [2024-11-09 11:54:38,781 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:54:38,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733265833] [2024-11-09 11:54:38,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733265833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:54:38,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:54:38,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:54:38,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501958591] [2024-11-09 11:54:38,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:54:38,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:54:38,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:54:38,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:54:38,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:54:38,787 INFO L87 Difference]: Start difference. First operand 107 states and 123 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 11:54:38,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:54:38,840 INFO L93 Difference]: Finished difference Result 145 states and 171 transitions. [2024-11-09 11:54:38,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:54:38,841 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 31 [2024-11-09 11:54:38,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:54:38,842 INFO L225 Difference]: With dead ends: 145 [2024-11-09 11:54:38,843 INFO L226 Difference]: Without dead ends: 141 [2024-11-09 11:54:38,844 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 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 11:54:38,844 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 41 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:54:38,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 102 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:54:38,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-09 11:54:38,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 127. [2024-11-09 11:54:38,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 88 states have (on average 1.4772727272727273) internal successors, (130), 111 states have internal predecessors, (130), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 11:54:38,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 154 transitions. [2024-11-09 11:54:38,859 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 154 transitions. Word has length 31 [2024-11-09 11:54:38,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:54:38,860 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 154 transitions. [2024-11-09 11:54:38,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 11:54:38,860 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 154 transitions. [2024-11-09 11:54:38,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 11:54:38,863 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:54:38,863 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] [2024-11-09 11:54:38,880 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 11:54:39,067 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 11:54:39,068 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:54:39,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:54:39,069 INFO L85 PathProgramCache]: Analyzing trace with hash 32433593, now seen corresponding path program 1 times [2024-11-09 11:54:39,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:54:39,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233568021] [2024-11-09 11:54:39,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:54:39,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:54:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:39,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:54:39,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:39,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:54:39,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:39,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 11:54:39,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:39,259 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 11:54:39,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:54:39,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233568021] [2024-11-09 11:54:39,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233568021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:54:39,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:54:39,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:54:39,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363956548] [2024-11-09 11:54:39,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:54:39,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:54:39,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:54:39,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:54:39,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:54:39,262 INFO L87 Difference]: Start difference. First operand 127 states and 154 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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 11:54:40,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:54:40,007 INFO L93 Difference]: Finished difference Result 151 states and 180 transitions. [2024-11-09 11:54:40,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:54:40,008 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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 33 [2024-11-09 11:54:40,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:54:40,009 INFO L225 Difference]: With dead ends: 151 [2024-11-09 11:54:40,009 INFO L226 Difference]: Without dead ends: 150 [2024-11-09 11:54:40,009 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:54:40,010 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 104 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:54:40,010 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 113 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:54:40,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-09 11:54:40,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 134. [2024-11-09 11:54:40,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 95 states have (on average 1.4631578947368422) internal successors, (139), 118 states have internal predecessors, (139), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 11:54:40,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 163 transitions. [2024-11-09 11:54:40,025 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 163 transitions. Word has length 33 [2024-11-09 11:54:40,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:54:40,025 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 163 transitions. [2024-11-09 11:54:40,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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 11:54:40,026 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 163 transitions. [2024-11-09 11:54:40,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 11:54:40,026 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:54:40,026 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] [2024-11-09 11:54:40,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 11:54:40,027 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:54:40,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:54:40,027 INFO L85 PathProgramCache]: Analyzing trace with hash 185732939, now seen corresponding path program 1 times [2024-11-09 11:54:40,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:54:40,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687587967] [2024-11-09 11:54:40,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:54:40,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:54:40,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:40,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:54:40,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:40,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:54:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:40,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 11:54:40,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:40,105 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 11:54:40,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:54:40,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687587967] [2024-11-09 11:54:40,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687587967] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:54:40,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [870193617] [2024-11-09 11:54:40,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:54:40,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:54:40,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:54:40,110 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 11:54:40,111 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 11:54:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:40,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:54:40,160 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:54:40,234 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 11:54:40,235 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:54:40,321 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 11:54:40,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [870193617] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:54:40,323 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:54:40,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5] total 9 [2024-11-09 11:54:40,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346855667] [2024-11-09 11:54:40,323 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:54:40,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:54:40,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:54:40,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:54:40,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:54:40,325 INFO L87 Difference]: Start difference. First operand 134 states and 163 transitions. Second operand has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 10 states have internal predecessors, (42), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 11:54:40,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:54:40,507 INFO L93 Difference]: Finished difference Result 267 states and 325 transitions. [2024-11-09 11:54:40,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 11:54:40,507 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 10 states have internal predecessors, (42), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 33 [2024-11-09 11:54:40,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:54:40,510 INFO L225 Difference]: With dead ends: 267 [2024-11-09 11:54:40,510 INFO L226 Difference]: Without dead ends: 191 [2024-11-09 11:54:40,511 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:54:40,511 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 66 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:54:40,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 390 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:54:40,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-09 11:54:40,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 173. [2024-11-09 11:54:40,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 126 states have (on average 1.4523809523809523) internal successors, (183), 149 states have internal predecessors, (183), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 11:54:40,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 219 transitions. [2024-11-09 11:54:40,537 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 219 transitions. Word has length 33 [2024-11-09 11:54:40,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:54:40,538 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 219 transitions. [2024-11-09 11:54:40,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 10 states have internal predecessors, (42), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 11:54:40,538 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 219 transitions. [2024-11-09 11:54:40,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 11:54:40,539 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:54:40,539 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] [2024-11-09 11:54:40,557 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 11:54:40,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:54:40,740 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:54:40,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:54:40,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1005441480, now seen corresponding path program 1 times [2024-11-09 11:54:40,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:54:40,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199510399] [2024-11-09 11:54:40,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:54:40,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:54:40,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:54:40,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1869538641] [2024-11-09 11:54:40,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:54:40,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:54:40,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:54:40,755 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 11:54:40,757 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 11:54:40,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:40,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:54:40,810 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:54:40,937 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 11:54:40,937 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:54:40,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:54:40,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199510399] [2024-11-09 11:54:40,938 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:54:40,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869538641] [2024-11-09 11:54:40,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869538641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:54:40,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:54:40,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:54:40,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744835442] [2024-11-09 11:54:40,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:54:40,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:54:40,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:54:40,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:54:40,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:54:40,940 INFO L87 Difference]: Start difference. First operand 173 states and 219 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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 11:54:41,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:54:41,081 INFO L93 Difference]: Finished difference Result 179 states and 224 transitions. [2024-11-09 11:54:41,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:54:41,082 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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 34 [2024-11-09 11:54:41,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:54:41,083 INFO L225 Difference]: With dead ends: 179 [2024-11-09 11:54:41,083 INFO L226 Difference]: Without dead ends: 176 [2024-11-09 11:54:41,083 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 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 11:54:41,084 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 24 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:54:41,084 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 139 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:54:41,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-11-09 11:54:41,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2024-11-09 11:54:41,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 129 states have (on average 1.434108527131783) internal successors, (185), 152 states have internal predecessors, (185), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 11:54:41,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 221 transitions. [2024-11-09 11:54:41,100 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 221 transitions. Word has length 34 [2024-11-09 11:54:41,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:54:41,101 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 221 transitions. [2024-11-09 11:54:41,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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 11:54:41,101 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 221 transitions. [2024-11-09 11:54:41,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 11:54:41,102 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:54:41,102 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:54:41,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 11:54:41,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:54:41,303 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:54:41,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:54:41,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1132558923, now seen corresponding path program 1 times [2024-11-09 11:54:41,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:54:41,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077832821] [2024-11-09 11:54:41,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:54:41,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:54:41,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:54:41,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [54828683] [2024-11-09 11:54:41,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:54:41,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:54:41,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:54:41,319 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 11:54:41,320 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 11:54:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:41,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:54:41,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:54:41,426 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:54:41,427 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:54:41,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:54:41,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077832821] [2024-11-09 11:54:41,427 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:54:41,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [54828683] [2024-11-09 11:54:41,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [54828683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:54:41,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:54:41,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:54:41,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613640876] [2024-11-09 11:54:41,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:54:41,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:54:41,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:54:41,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:54:41,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:54:41,429 INFO L87 Difference]: Start difference. First operand 176 states and 221 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 11:54:41,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:54:41,501 INFO L93 Difference]: Finished difference Result 213 states and 261 transitions. [2024-11-09 11:54:41,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:54:41,501 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 45 [2024-11-09 11:54:41,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:54:41,502 INFO L225 Difference]: With dead ends: 213 [2024-11-09 11:54:41,502 INFO L226 Difference]: Without dead ends: 203 [2024-11-09 11:54:41,503 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 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 11:54:41,503 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 82 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:54:41,503 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 144 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:54:41,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-09 11:54:41,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 185. [2024-11-09 11:54:41,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 140 states have (on average 1.3571428571428572) internal successors, (190), 159 states have internal predecessors, (190), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 11:54:41,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 230 transitions. [2024-11-09 11:54:41,524 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 230 transitions. Word has length 45 [2024-11-09 11:54:41,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:54:41,525 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 230 transitions. [2024-11-09 11:54:41,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 11:54:41,525 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 230 transitions. [2024-11-09 11:54:41,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 11:54:41,526 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:54:41,526 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:54:41,543 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 11:54:41,727 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,SelfDestructingSolverStorable12 [2024-11-09 11:54:41,727 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:54:41,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:54:41,728 INFO L85 PathProgramCache]: Analyzing trace with hash 749588304, now seen corresponding path program 1 times [2024-11-09 11:54:41,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:54:41,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742092530] [2024-11-09 11:54:41,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:54:41,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:54:41,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:54:41,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [146092290] [2024-11-09 11:54:41,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:54:41,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:54:41,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:54:41,744 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 11:54:41,747 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 11:54:41,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:41,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:54:41,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:54:41,841 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:54:41,842 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:54:41,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:54:41,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742092530] [2024-11-09 11:54:41,927 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:54:41,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146092290] [2024-11-09 11:54:41,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [146092290] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:54:41,928 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:54:41,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-09 11:54:41,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586105960] [2024-11-09 11:54:41,928 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:54:41,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:54:41,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:54:41,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:54:41,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:54:41,930 INFO L87 Difference]: Start difference. First operand 185 states and 230 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 11:54:42,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:54:42,020 INFO L93 Difference]: Finished difference Result 281 states and 347 transitions. [2024-11-09 11:54:42,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:54:42,021 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), 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 46 [2024-11-09 11:54:42,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:54:42,022 INFO L225 Difference]: With dead ends: 281 [2024-11-09 11:54:42,022 INFO L226 Difference]: Without dead ends: 277 [2024-11-09 11:54:42,023 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:54:42,023 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 67 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:54:42,023 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 186 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:54:42,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-09 11:54:42,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 245. [2024-11-09 11:54:42,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 194 states have (on average 1.3814432989690721) internal successors, (268), 213 states have internal predecessors, (268), 26 states have call successors, (26), 5 states have call predecessors, (26), 5 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-09 11:54:42,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 320 transitions. [2024-11-09 11:54:42,044 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 320 transitions. Word has length 46 [2024-11-09 11:54:42,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:54:42,044 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 320 transitions. [2024-11-09 11:54:42,044 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), 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 11:54:42,045 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 320 transitions. [2024-11-09 11:54:42,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-09 11:54:42,045 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:54:42,045 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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 11:54:42,063 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 11:54:42,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:54:42,250 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:54:42,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:54:42,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1118998551, now seen corresponding path program 1 times [2024-11-09 11:54:42,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:54:42,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442352876] [2024-11-09 11:54:42,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:54:42,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:54:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:42,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:54:42,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:42,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:54:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:42,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 11:54:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:42,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:54:42,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:42,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 11:54:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:42,329 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:54:42,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:54:42,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442352876] [2024-11-09 11:54:42,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442352876] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:54:42,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:54:42,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:54:42,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292646012] [2024-11-09 11:54:42,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:54:42,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:54:42,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:54:42,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:54:42,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:54:42,331 INFO L87 Difference]: Start difference. First operand 245 states and 320 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:54:42,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:54:42,768 INFO L93 Difference]: Finished difference Result 256 states and 331 transitions. [2024-11-09 11:54:42,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:54:42,768 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 50 [2024-11-09 11:54:42,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:54:42,770 INFO L225 Difference]: With dead ends: 256 [2024-11-09 11:54:42,770 INFO L226 Difference]: Without dead ends: 239 [2024-11-09 11:54:42,770 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:54:42,771 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 51 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:54:42,771 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 135 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:54:42,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-09 11:54:42,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 230. [2024-11-09 11:54:42,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 181 states have (on average 1.4033149171270718) internal successors, (254), 200 states have internal predecessors, (254), 24 states have call successors, (24), 5 states have call predecessors, (24), 5 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-09 11:54:42,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 302 transitions. [2024-11-09 11:54:42,789 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 302 transitions. Word has length 50 [2024-11-09 11:54:42,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:54:42,790 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 302 transitions. [2024-11-09 11:54:42,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:54:42,790 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 302 transitions. [2024-11-09 11:54:42,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 11:54:42,791 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:54:42,791 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:54:42,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 11:54:42,791 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:54:42,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:54:42,791 INFO L85 PathProgramCache]: Analyzing trace with hash 287436800, now seen corresponding path program 1 times [2024-11-09 11:54:42,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:54:42,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964082992] [2024-11-09 11:54:42,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:54:42,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:54:42,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:42,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:54:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:42,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:54:42,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:42,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 11:54:42,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:42,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:54:42,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:42,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 11:54:42,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:42,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 11:54:42,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:42,869 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:54:42,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:54:42,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964082992] [2024-11-09 11:54:42,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964082992] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:54:42,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454418841] [2024-11-09 11:54:42,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:54:42,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:54:42,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:54:42,879 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 11:54:42,886 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 11:54:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:42,928 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:54:42,930 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:54:42,969 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:54:42,969 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:54:43,040 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:54:43,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454418841] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:54:43,042 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:54:43,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-09 11:54:43,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481696932] [2024-11-09 11:54:43,043 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:54:43,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:54:43,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:54:43,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:54:43,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:54:43,044 INFO L87 Difference]: Start difference. First operand 230 states and 302 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-09 11:54:43,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:54:43,219 INFO L93 Difference]: Finished difference Result 364 states and 468 transitions. [2024-11-09 11:54:43,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:54:43,219 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 54 [2024-11-09 11:54:43,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:54:43,221 INFO L225 Difference]: With dead ends: 364 [2024-11-09 11:54:43,221 INFO L226 Difference]: Without dead ends: 362 [2024-11-09 11:54:43,221 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:54:43,222 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 132 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:54:43,222 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 266 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:54:43,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-09 11:54:43,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 299. [2024-11-09 11:54:43,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 241 states have (on average 1.4190871369294606) internal successors, (342), 260 states have internal predecessors, (342), 33 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-09 11:54:43,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 408 transitions. [2024-11-09 11:54:43,252 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 408 transitions. Word has length 54 [2024-11-09 11:54:43,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:54:43,252 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 408 transitions. [2024-11-09 11:54:43,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-09 11:54:43,253 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 408 transitions. [2024-11-09 11:54:43,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 11:54:43,253 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:54:43,253 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-09 11:54:43,270 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 11:54:43,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:54:43,455 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:54:43,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:54:43,455 INFO L85 PathProgramCache]: Analyzing trace with hash 320559606, now seen corresponding path program 1 times [2024-11-09 11:54:43,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:54:43,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324806011] [2024-11-09 11:54:43,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:54:43,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:54:43,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:43,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:54:43,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:43,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:54:43,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:43,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 11:54:43,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:43,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:54:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:43,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 11:54:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:43,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 11:54:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:43,601 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:54:43,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:54:43,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324806011] [2024-11-09 11:54:43,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324806011] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:54:43,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [68093676] [2024-11-09 11:54:43,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:54:43,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:54:43,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:54:43,604 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 11:54:43,605 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 11:54:43,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:43,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:54:43,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:54:43,718 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:54:43,718 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:54:43,824 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:54:43,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [68093676] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:54:43,825 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:54:43,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 13 [2024-11-09 11:54:43,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76771053] [2024-11-09 11:54:43,825 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:54:43,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 11:54:43,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:54:43,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 11:54:43,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:54:43,827 INFO L87 Difference]: Start difference. First operand 299 states and 408 transitions. Second operand has 14 states, 13 states have (on average 4.538461538461538) internal successors, (59), 14 states have internal predecessors, (59), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-09 11:54:44,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:54:44,088 INFO L93 Difference]: Finished difference Result 346 states and 451 transitions. [2024-11-09 11:54:44,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-09 11:54:44,089 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.538461538461538) internal successors, (59), 14 states have internal predecessors, (59), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 55 [2024-11-09 11:54:44,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:54:44,091 INFO L225 Difference]: With dead ends: 346 [2024-11-09 11:54:44,091 INFO L226 Difference]: Without dead ends: 345 [2024-11-09 11:54:44,091 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=180, Invalid=522, Unknown=0, NotChecked=0, Total=702 [2024-11-09 11:54:44,092 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 96 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:54:44,092 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 492 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:54:44,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-09 11:54:44,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 322. [2024-11-09 11:54:44,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 262 states have (on average 1.3969465648854962) internal successors, (366), 281 states have internal predecessors, (366), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-09 11:54:44,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 432 transitions. [2024-11-09 11:54:44,127 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 432 transitions. Word has length 55 [2024-11-09 11:54:44,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:54:44,127 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 432 transitions. [2024-11-09 11:54:44,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.538461538461538) internal successors, (59), 14 states have internal predecessors, (59), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-09 11:54:44,127 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 432 transitions. [2024-11-09 11:54:44,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-09 11:54:44,128 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:54:44,128 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-09 11:54:44,144 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 11:54:44,332 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,SelfDestructingSolverStorable16 [2024-11-09 11:54:44,333 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:54:44,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:54:44,333 INFO L85 PathProgramCache]: Analyzing trace with hash 770039397, now seen corresponding path program 1 times [2024-11-09 11:54:44,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:54:44,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173642228] [2024-11-09 11:54:44,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:54:44,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:54:44,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:54:44,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1605356813] [2024-11-09 11:54:44,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:54:44,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:54:44,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:54:44,349 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 11:54:44,350 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 11:54:44,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:44,399 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:54:44,400 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:54:44,545 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:54:44,545 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:54:44,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:54:44,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173642228] [2024-11-09 11:54:44,665 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:54:44,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605356813] [2024-11-09 11:54:44,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1605356813] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:54:44,666 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:54:44,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-09 11:54:44,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576464803] [2024-11-09 11:54:44,666 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:54:44,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:54:44,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:54:44,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:54:44,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:54:44,668 INFO L87 Difference]: Start difference. First operand 322 states and 432 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:54:44,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:54:44,813 INFO L93 Difference]: Finished difference Result 337 states and 448 transitions. [2024-11-09 11:54:44,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:54:44,814 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 60 [2024-11-09 11:54:44,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:54:44,816 INFO L225 Difference]: With dead ends: 337 [2024-11-09 11:54:44,816 INFO L226 Difference]: Without dead ends: 327 [2024-11-09 11:54:44,816 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:54:44,817 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 56 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:54:44,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 135 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:54:44,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2024-11-09 11:54:44,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 322. [2024-11-09 11:54:44,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 262 states have (on average 1.3778625954198473) internal successors, (361), 281 states have internal predecessors, (361), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-09 11:54:44,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 427 transitions. [2024-11-09 11:54:44,844 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 427 transitions. Word has length 60 [2024-11-09 11:54:44,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:54:44,845 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 427 transitions. [2024-11-09 11:54:44,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:54:44,845 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 427 transitions. [2024-11-09 11:54:44,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-09 11:54:44,846 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:54:44,846 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 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] [2024-11-09 11:54:44,863 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 11:54:45,046 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,SelfDestructingSolverStorable17 [2024-11-09 11:54:45,047 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:54:45,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:54:45,047 INFO L85 PathProgramCache]: Analyzing trace with hash -966584528, now seen corresponding path program 1 times [2024-11-09 11:54:45,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:54:45,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242392021] [2024-11-09 11:54:45,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:54:45,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:54:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:54:45,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [219120524] [2024-11-09 11:54:45,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:54:45,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:54:45,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:54:45,066 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 11:54:45,068 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 11:54:45,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:45,116 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:54:45,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:54:45,265 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-09 11:54:45,265 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:54:45,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:54:45,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242392021] [2024-11-09 11:54:45,265 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:54:45,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219120524] [2024-11-09 11:54:45,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [219120524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:54:45,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:54:45,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:54:45,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902555532] [2024-11-09 11:54:45,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:54:45,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:54:45,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:54:45,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:54:45,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:54:45,268 INFO L87 Difference]: Start difference. First operand 322 states and 427 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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 11:54:45,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:54:45,354 INFO L93 Difference]: Finished difference Result 335 states and 440 transitions. [2024-11-09 11:54:45,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:54:45,354 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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 68 [2024-11-09 11:54:45,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:54:45,356 INFO L225 Difference]: With dead ends: 335 [2024-11-09 11:54:45,356 INFO L226 Difference]: Without dead ends: 329 [2024-11-09 11:54:45,357 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 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 11:54:45,358 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 25 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:54:45,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 90 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:54:45,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2024-11-09 11:54:45,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 296. [2024-11-09 11:54:45,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 240 states have (on average 1.3583333333333334) internal successors, (326), 259 states have internal predecessors, (326), 29 states have call successors, (29), 7 states have call predecessors, (29), 7 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-09 11:54:45,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 384 transitions. [2024-11-09 11:54:45,382 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 384 transitions. Word has length 68 [2024-11-09 11:54:45,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:54:45,382 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 384 transitions. [2024-11-09 11:54:45,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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 11:54:45,382 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 384 transitions. [2024-11-09 11:54:45,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 11:54:45,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:54:45,386 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-09 11:54:45,402 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 11:54:45,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:54:45,587 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:54:45,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:54:45,588 INFO L85 PathProgramCache]: Analyzing trace with hash -281646737, now seen corresponding path program 2 times [2024-11-09 11:54:45,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:54:45,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315429562] [2024-11-09 11:54:45,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:54:45,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:54:45,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:45,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:54:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:45,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:54:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:45,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 11:54:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:45,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:54:45,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:45,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 11:54:45,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:45,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 11:54:45,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:45,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-09 11:54:45,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:45,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 11:54:45,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:45,710 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:54:45,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:54:45,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315429562] [2024-11-09 11:54:45,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315429562] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:54:45,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611482081] [2024-11-09 11:54:45,711 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:54:45,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:54:45,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:54:45,713 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 11:54:45,715 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 11:54:45,766 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:54:45,766 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:54:45,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:54:45,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:54:45,839 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 112 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 11:54:45,839 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:54:45,926 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:54:45,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [611482081] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:54:45,926 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:54:45,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 8 [2024-11-09 11:54:45,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323227631] [2024-11-09 11:54:45,927 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:54:45,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:54:45,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:54:45,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:54:45,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:54:45,929 INFO L87 Difference]: Start difference. First operand 296 states and 384 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 3 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-09 11:54:46,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:54:46,004 INFO L93 Difference]: Finished difference Result 369 states and 470 transitions. [2024-11-09 11:54:46,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:54:46,005 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 3 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 72 [2024-11-09 11:54:46,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:54:46,007 INFO L225 Difference]: With dead ends: 369 [2024-11-09 11:54:46,007 INFO L226 Difference]: Without dead ends: 196 [2024-11-09 11:54:46,008 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 154 SyntacticMatches, 5 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:54:46,009 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 16 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:54:46,009 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 346 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:54:46,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-09 11:54:46,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2024-11-09 11:54:46,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 161 states have (on average 1.3043478260869565) internal successors, (210), 175 states have internal predecessors, (210), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 11:54:46,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 242 transitions. [2024-11-09 11:54:46,026 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 242 transitions. Word has length 72 [2024-11-09 11:54:46,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:54:46,026 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 242 transitions. [2024-11-09 11:54:46,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 3 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-09 11:54:46,027 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 242 transitions. [2024-11-09 11:54:46,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-09 11:54:46,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:54:46,028 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 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] [2024-11-09 11:54:46,045 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-09 11:54:46,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:54:46,232 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:54:46,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:54:46,232 INFO L85 PathProgramCache]: Analyzing trace with hash 21143847, now seen corresponding path program 1 times [2024-11-09 11:54:46,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:54:46,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139843874] [2024-11-09 11:54:46,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:54:46,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:54:46,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:46,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:54:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:46,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:54:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:46,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 11:54:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:46,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:54:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:46,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 11:54:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:46,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 11:54:46,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:46,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 11:54:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:46,324 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-09 11:54:46,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:54:46,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139843874] [2024-11-09 11:54:46,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139843874] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:54:46,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:54:46,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 11:54:46,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321076286] [2024-11-09 11:54:46,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:54:46,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:54:46,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:54:46,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:54:46,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:54:46,327 INFO L87 Difference]: Start difference. First operand 196 states and 242 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:54:46,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:54:46,379 INFO L93 Difference]: Finished difference Result 218 states and 253 transitions. [2024-11-09 11:54:46,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:54:46,379 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 75 [2024-11-09 11:54:46,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:54:46,380 INFO L225 Difference]: With dead ends: 218 [2024-11-09 11:54:46,380 INFO L226 Difference]: Without dead ends: 136 [2024-11-09 11:54:46,381 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:54:46,382 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 2 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:54:46,382 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 249 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:54:46,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-11-09 11:54:46,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2024-11-09 11:54:46,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 107 states have (on average 1.2429906542056075) internal successors, (133), 119 states have internal predecessors, (133), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 11:54:46,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 157 transitions. [2024-11-09 11:54:46,396 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 157 transitions. Word has length 75 [2024-11-09 11:54:46,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:54:46,397 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 157 transitions. [2024-11-09 11:54:46,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:54:46,397 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 157 transitions. [2024-11-09 11:54:46,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-09 11:54:46,398 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:54:46,398 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1] [2024-11-09 11:54:46,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 11:54:46,399 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:54:46,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:54:46,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1910905065, now seen corresponding path program 1 times [2024-11-09 11:54:46,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:54:46,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963175623] [2024-11-09 11:54:46,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:54:46,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:54:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:46,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:54:46,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:46,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:54:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:46,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 11:54:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:46,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:54:46,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:46,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 11:54:46,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:46,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 11:54:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:46,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-09 11:54:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:46,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 11:54:46,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:46,513 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-09 11:54:46,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:54:46,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963175623] [2024-11-09 11:54:46,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963175623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:54:46,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:54:46,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:54:46,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095944558] [2024-11-09 11:54:46,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:54:46,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:54:46,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:54:46,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:54:46,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:54:46,515 INFO L87 Difference]: Start difference. First operand 136 states and 157 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:54:46,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:54:46,597 INFO L93 Difference]: Finished difference Result 136 states and 157 transitions. [2024-11-09 11:54:46,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:54:46,598 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 79 [2024-11-09 11:54:46,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:54:46,599 INFO L225 Difference]: With dead ends: 136 [2024-11-09 11:54:46,599 INFO L226 Difference]: Without dead ends: 135 [2024-11-09 11:54:46,599 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 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 11:54:46,599 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 2 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:54:46,600 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 105 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:54:46,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-09 11:54:46,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2024-11-09 11:54:46,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 107 states have (on average 1.2242990654205608) internal successors, (131), 118 states have internal predecessors, (131), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 11:54:46,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 155 transitions. [2024-11-09 11:54:46,611 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 155 transitions. Word has length 79 [2024-11-09 11:54:46,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:54:46,612 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 155 transitions. [2024-11-09 11:54:46,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:54:46,612 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 155 transitions. [2024-11-09 11:54:46,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-09 11:54:46,613 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:54:46,613 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1] [2024-11-09 11:54:46,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-09 11:54:46,614 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:54:46,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:54:46,614 INFO L85 PathProgramCache]: Analyzing trace with hash -891485006, now seen corresponding path program 1 times [2024-11-09 11:54:46,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:54:46,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760639324] [2024-11-09 11:54:46,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:54:46,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:54:46,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:46,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:54:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:46,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:54:46,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:46,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 11:54:46,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:46,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:54:46,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:46,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 11:54:46,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:46,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 11:54:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:46,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-09 11:54:46,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:46,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 11:54:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:54:46,751 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:54:46,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:54:46,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760639324] [2024-11-09 11:54:46,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760639324] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:54:46,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:54:46,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 11:54:46,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911547764] [2024-11-09 11:54:46,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:54:46,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:54:46,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:54:46,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:54:46,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:54:46,753 INFO L87 Difference]: Start difference. First operand 135 states and 155 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:54:46,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:54:46,824 INFO L93 Difference]: Finished difference Result 135 states and 155 transitions. [2024-11-09 11:54:46,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:54:46,825 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 80 [2024-11-09 11:54:46,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:54:46,825 INFO L225 Difference]: With dead ends: 135 [2024-11-09 11:54:46,826 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 11:54:46,826 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:54:46,827 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 22 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:54:46,827 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 107 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:54:46,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 11:54:46,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 11:54:46,827 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 11:54:46,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 11:54:46,828 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 80 [2024-11-09 11:54:46,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:54:46,828 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 11:54:46,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:54:46,828 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 11:54:46,828 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 11:54:46,831 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 28 remaining) [2024-11-09 11:54:46,831 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 28 remaining) [2024-11-09 11:54:46,831 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 28 remaining) [2024-11-09 11:54:46,831 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 28 remaining) [2024-11-09 11:54:46,832 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 28 remaining) [2024-11-09 11:54:46,832 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 28 remaining) [2024-11-09 11:54:46,832 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 28 remaining) [2024-11-09 11:54:46,832 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 28 remaining) [2024-11-09 11:54:46,832 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 28 remaining) [2024-11-09 11:54:46,832 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 28 remaining) [2024-11-09 11:54:46,832 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 28 remaining) [2024-11-09 11:54:46,833 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 28 remaining) [2024-11-09 11:54:46,833 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 28 remaining) [2024-11-09 11:54:46,833 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 28 remaining) [2024-11-09 11:54:46,833 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 28 remaining) [2024-11-09 11:54:46,833 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 28 remaining) [2024-11-09 11:54:46,833 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 28 remaining) [2024-11-09 11:54:46,834 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 28 remaining) [2024-11-09 11:54:46,834 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 28 remaining) [2024-11-09 11:54:46,834 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 28 remaining) [2024-11-09 11:54:46,834 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 28 remaining) [2024-11-09 11:54:46,834 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 28 remaining) [2024-11-09 11:54:46,834 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 28 remaining) [2024-11-09 11:54:46,834 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 28 remaining) [2024-11-09 11:54:46,835 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 28 remaining) [2024-11-09 11:54:46,835 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 28 remaining) [2024-11-09 11:54:46,835 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 28 remaining) [2024-11-09 11:54:46,835 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 28 remaining) [2024-11-09 11:54:46,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-09 11:54:46,838 INFO L407 BasicCegarLoop]: Path program histogram: [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 11:54:46,840 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 11:54:47,312 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 11:54:47,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 11:54:47 BoogieIcfgContainer [2024-11-09 11:54:47,348 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 11:54:47,348 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 11:54:47,348 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 11:54:47,349 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 11:54:47,349 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:54:36" (3/4) ... [2024-11-09 11:54:47,352 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 11:54:47,356 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-09 11:54:47,361 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-09 11:54:47,362 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 11:54:47,362 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 11:54:47,362 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 11:54:47,474 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 11:54:47,475 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 11:54:47,475 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 11:54:47,476 INFO L158 Benchmark]: Toolchain (without parser) took 11920.91ms. Allocated memory was 151.0MB in the beginning and 234.9MB in the end (delta: 83.9MB). Free memory was 81.1MB in the beginning and 193.7MB in the end (delta: -112.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 11:54:47,476 INFO L158 Benchmark]: CDTParser took 1.19ms. Allocated memory is still 151.0MB. Free memory is still 107.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 11:54:47,476 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.53ms. Allocated memory is still 151.0MB. Free memory was 81.0MB in the beginning and 116.0MB in the end (delta: -35.0MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2024-11-09 11:54:47,476 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.93ms. Allocated memory is still 151.0MB. Free memory was 116.0MB in the beginning and 114.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 11:54:47,476 INFO L158 Benchmark]: Boogie Preprocessor took 53.77ms. Allocated memory is still 151.0MB. Free memory was 114.1MB in the beginning and 112.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 11:54:47,477 INFO L158 Benchmark]: RCFGBuilder took 596.94ms. Allocated memory is still 151.0MB. Free memory was 111.8MB in the beginning and 94.0MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 11:54:47,477 INFO L158 Benchmark]: TraceAbstraction took 10771.25ms. Allocated memory was 151.0MB in the beginning and 234.9MB in the end (delta: 83.9MB). Free memory was 93.5MB in the beginning and 198.9MB in the end (delta: -105.4MB). Peak memory consumption was 112.1MB. Max. memory is 16.1GB. [2024-11-09 11:54:47,477 INFO L158 Benchmark]: Witness Printer took 126.88ms. Allocated memory is still 234.9MB. Free memory was 198.9MB in the beginning and 193.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 11:54:47,478 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.19ms. Allocated memory is still 151.0MB. Free memory is still 107.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.53ms. Allocated memory is still 151.0MB. Free memory was 81.0MB in the beginning and 116.0MB in the end (delta: -35.0MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.93ms. Allocated memory is still 151.0MB. Free memory was 116.0MB in the beginning and 114.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.77ms. Allocated memory is still 151.0MB. Free memory was 114.1MB in the beginning and 112.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 596.94ms. Allocated memory is still 151.0MB. Free memory was 111.8MB in the beginning and 94.0MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 10771.25ms. Allocated memory was 151.0MB in the beginning and 234.9MB in the end (delta: 83.9MB). Free memory was 93.5MB in the beginning and 198.9MB in the end (delta: -105.4MB). Peak memory consumption was 112.1MB. Max. memory is 16.1GB. * Witness Printer took 126.88ms. Allocated memory is still 234.9MB. Free memory was 198.9MB in the beginning and 193.7MB 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: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - 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: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: 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: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: 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, 84 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 10.2s, OverallIterations: 23, TraceHistogramMax: 8, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1049 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1016 mSDsluCounter, 4403 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2823 mSDsCounter, 76 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1226 IncrementalHoareTripleChecker+Invalid, 1302 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 76 mSolverCounterUnsat, 1580 mSDtfsCounter, 1226 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 991 GetRequests, 869 SyntacticMatches, 5 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=322occurred in iteration=17, InterpolantAutomatonStates: 139, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 23 MinimizatonAttempts, 265 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1482 NumberOfCodeBlocks, 1482 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1362 ConstructedInterpolants, 0 QuantifiedInterpolants, 3234 SizeOfPredicates, 17 NumberOfNonLiveVariables, 1195 ConjunctsInSsa, 49 ConjunctsInUnsatCore, 31 InterpolantComputations, 17 PerfectInterpolantSequences, 1487/1622 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 28 specifications checked. All of them hold - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: (((((((((d <= B) && (p == 1)) && (0 <= r)) && (r <= 4294967295)) && (q == 0)) && (counter == 0)) && (0 <= d)) || (((((((2 <= p) && (0 <= r)) && (r <= 4294967295)) && (q == 0)) && (d <= 2305843009213693951)) && (counter == 2)) && (0 <= d))) || (((((((2 == p) && (0 <= r)) && (r <= 4294967295)) && (d <= 8589934590)) && (q == 0)) && (counter == 1)) && (0 <= d))) - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: (((((((((2 == p) && (0 <= r)) && (r <= 4294967295)) && (d <= 8589934590)) && (q == 0)) && (((__int128) r + 1) <= d)) && (counter == 2)) || (((((((d <= B) && (p == 1)) && (0 <= r)) && (q == 0)) && (((__int128) r + 1) <= B)) && (counter == 1)) && (0 <= d))) || ((((((((d <= 4611686018427387903) && (2 <= p)) && (0 <= r)) && (r <= 4294967295)) && (q == 0)) && (counter <= 2147483646)) && (0 <= d)) && (3 <= counter))) - ProcedureContractResult [Line: 14]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (counter == \old(counter)) RESULT: Ultimate proved your program to be correct! [2024-11-09 11:54:47,504 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