./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound100.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/prod4br-ll_unwindbound100.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 4d17ed8dd7de3007f02b2c3df3a75e1fbb5469b0133c538c149df8a118a565d0 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 12:00:01,383 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 12:00:01,454 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 12:00:01,457 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 12:00:01,458 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 12:00:01,472 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 12:00:01,473 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 12:00:01,473 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 12:00:01,474 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 12:00:01,474 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 12:00:01,474 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 12:00:01,474 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 12:00:01,475 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 12:00:01,475 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 12:00:01,475 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 12:00:01,476 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 12:00:01,476 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 12:00:01,476 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 12:00:01,477 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 12:00:01,477 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 12:00:01,477 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 12:00:01,478 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 12:00:01,478 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 12:00:01,478 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 12:00:01,478 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 12:00:01,479 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 12:00:01,479 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 12:00:01,479 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 12:00:01,479 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 12:00:01,480 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 12:00:01,480 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 12:00:01,480 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 12:00:01,481 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 12:00:01,481 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 12:00:01,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:00:01,482 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 12:00:01,482 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 12:00:01,482 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 12:00:01,482 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 12:00:01,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 12:00:01,483 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 12:00:01,483 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 12:00:01,483 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 12:00:01,484 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 12:00:01,484 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d17ed8dd7de3007f02b2c3df3a75e1fbb5469b0133c538c149df8a118a565d0 [2024-11-09 12:00:01,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 12:00:01,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 12:00:01,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 12:00:01,769 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 12:00:01,769 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 12:00:01,771 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound100.c [2024-11-09 12:00:03,419 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 12:00:03,609 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 12:00:03,609 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound100.c [2024-11-09 12:00:03,623 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19dbc16fa/00065be7465f4cd1901c07087916541f/FLAG3f903c929 [2024-11-09 12:00:03,637 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19dbc16fa/00065be7465f4cd1901c07087916541f [2024-11-09 12:00:03,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 12:00:03,641 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 12:00:03,642 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 12:00:03,642 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 12:00:03,646 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 12:00:03,647 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:00:03" (1/1) ... [2024-11-09 12:00:03,648 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3107dfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:03, skipping insertion in model container [2024-11-09 12:00:03,648 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:00:03" (1/1) ... [2024-11-09 12:00:03,677 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 12:00:03,939 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:00:03,947 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 12:00:03,993 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:00:04,023 INFO L204 MainTranslator]: Completed translation [2024-11-09 12:00:04,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:04 WrapperNode [2024-11-09 12:00:04,028 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 12:00:04,029 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 12:00:04,030 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 12:00:04,030 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 12:00:04,038 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:04" (1/1) ... [2024-11-09 12:00:04,049 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:04" (1/1) ... [2024-11-09 12:00:04,093 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 110 [2024-11-09 12:00:04,097 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 12:00:04,099 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 12:00:04,099 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 12:00:04,099 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 12:00:04,121 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:04" (1/1) ... [2024-11-09 12:00:04,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:04" (1/1) ... [2024-11-09 12:00:04,123 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:04" (1/1) ... [2024-11-09 12:00:04,146 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 12:00:04,146 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:04" (1/1) ... [2024-11-09 12:00:04,147 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:04" (1/1) ... [2024-11-09 12:00:04,150 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:04" (1/1) ... [2024-11-09 12:00:04,152 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:04" (1/1) ... [2024-11-09 12:00:04,154 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:04" (1/1) ... [2024-11-09 12:00:04,155 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:04" (1/1) ... [2024-11-09 12:00:04,157 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 12:00:04,158 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 12:00:04,158 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 12:00:04,158 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 12:00:04,159 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:04" (1/1) ... [2024-11-09 12:00:04,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:00:04,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:00:04,196 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 12:00:04,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 12:00:04,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 12:00:04,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 12:00:04,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 12:00:04,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 12:00:04,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 12:00:04,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 12:00:04,406 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 12:00:04,408 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 12:00:04,965 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2024-11-09 12:00:04,966 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 12:00:04,981 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 12:00:04,981 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 12:00:04,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:04 BoogieIcfgContainer [2024-11-09 12:00:04,982 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 12:00:04,985 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 12:00:04,985 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 12:00:04,988 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 12:00:04,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:00:03" (1/3) ... [2024-11-09 12:00:04,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b87f673 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:00:04, skipping insertion in model container [2024-11-09 12:00:04,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:04" (2/3) ... [2024-11-09 12:00:04,990 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b87f673 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:00:04, skipping insertion in model container [2024-11-09 12:00:04,990 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:04" (3/3) ... [2024-11-09 12:00:04,991 INFO L112 eAbstractionObserver]: Analyzing ICFG prod4br-ll_unwindbound100.c [2024-11-09 12:00:05,008 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 12:00:05,008 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2024-11-09 12:00:05,067 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 12:00:05,074 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;@f88f94f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 12:00:05,074 INFO L334 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2024-11-09 12:00:05,079 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 62 states have (on average 1.8387096774193548) internal successors, (114), 106 states have internal predecessors, (114), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:00:05,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 12:00:05,085 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:05,086 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 12:00:05,087 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:05,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:05,092 INFO L85 PathProgramCache]: Analyzing trace with hash 889512265, now seen corresponding path program 1 times [2024-11-09 12:00:05,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:05,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369129315] [2024-11-09 12:00:05,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:05,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:05,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:05,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:05,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:05,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369129315] [2024-11-09 12:00:05,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369129315] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:05,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:05,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:00:05,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683081745] [2024-11-09 12:00:05,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:05,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 12:00:05,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:05,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 12:00:05,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 12:00:05,288 INFO L87 Difference]: Start difference. First operand has 111 states, 62 states have (on average 1.8387096774193548) internal successors, (114), 106 states have internal predecessors, (114), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:00:05,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:05,326 INFO L93 Difference]: Finished difference Result 218 states and 238 transitions. [2024-11-09 12:00:05,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 12:00:05,333 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-09 12:00:05,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:05,345 INFO L225 Difference]: With dead ends: 218 [2024-11-09 12:00:05,345 INFO L226 Difference]: Without dead ends: 104 [2024-11-09 12:00:05,353 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 12:00:05,361 INFO L432 NwaCegarLoop]: 116 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, 116 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:05,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:00:05,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-09 12:00:05,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-11-09 12:00:05,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 57 states have (on average 1.8421052631578947) internal successors, (105), 100 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:00:05,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 109 transitions. [2024-11-09 12:00:05,421 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 109 transitions. Word has length 6 [2024-11-09 12:00:05,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:05,421 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 109 transitions. [2024-11-09 12:00:05,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:00:05,422 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 109 transitions. [2024-11-09 12:00:05,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 12:00:05,423 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:05,423 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 12:00:05,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 12:00:05,424 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:05,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:05,425 INFO L85 PathProgramCache]: Analyzing trace with hash 889568358, now seen corresponding path program 1 times [2024-11-09 12:00:05,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:05,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100305372] [2024-11-09 12:00:05,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:05,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:05,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:05,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:05,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:05,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100305372] [2024-11-09 12:00:05,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100305372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:05,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:05,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:00:05,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159432001] [2024-11-09 12:00:05,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:05,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:00:05,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:05,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:00:05,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:00:05,758 INFO L87 Difference]: Start difference. First operand 104 states and 109 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 12:00:05,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:05,835 INFO L93 Difference]: Finished difference Result 104 states and 109 transitions. [2024-11-09 12:00:05,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:00:05,836 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 12:00:05,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:05,837 INFO L225 Difference]: With dead ends: 104 [2024-11-09 12:00:05,837 INFO L226 Difference]: Without dead ends: 103 [2024-11-09 12:00:05,838 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 12:00:05,839 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 105 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:05,839 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 203 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:00:05,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-09 12:00:05,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-11-09 12:00:05,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 57 states have (on average 1.8245614035087718) internal successors, (104), 99 states have internal predecessors, (104), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:00:05,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 108 transitions. [2024-11-09 12:00:05,860 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 108 transitions. Word has length 6 [2024-11-09 12:00:05,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:05,863 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 108 transitions. [2024-11-09 12:00:05,864 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 12:00:05,864 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 108 transitions. [2024-11-09 12:00:05,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 12:00:05,865 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:05,865 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:05,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 12:00:05,865 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:05,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:05,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815370, now seen corresponding path program 1 times [2024-11-09 12:00:05,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:05,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476302812] [2024-11-09 12:00:05,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:05,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:05,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:05,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:05,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476302812] [2024-11-09 12:00:05,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476302812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:05,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:05,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:00:05,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785586715] [2024-11-09 12:00:05,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:05,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:00:05,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:05,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:00:05,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:00:05,975 INFO L87 Difference]: Start difference. First operand 103 states and 108 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 12:00:06,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:06,017 INFO L93 Difference]: Finished difference Result 121 states and 126 transitions. [2024-11-09 12:00:06,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:00:06,018 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 12:00:06,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:06,019 INFO L225 Difference]: With dead ends: 121 [2024-11-09 12:00:06,019 INFO L226 Difference]: Without dead ends: 107 [2024-11-09 12:00:06,020 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 12:00:06,021 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 3 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 306 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 12:00:06,021 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 306 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:00:06,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-09 12:00:06,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2024-11-09 12:00:06,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 61 states have (on average 1.7704918032786885) internal successors, (108), 103 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:00:06,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 112 transitions. [2024-11-09 12:00:06,031 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 112 transitions. Word has length 7 [2024-11-09 12:00:06,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:06,031 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 112 transitions. [2024-11-09 12:00:06,031 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 12:00:06,032 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 112 transitions. [2024-11-09 12:00:06,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 12:00:06,032 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:06,032 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:06,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 12:00:06,033 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:06,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:06,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1182784684, now seen corresponding path program 1 times [2024-11-09 12:00:06,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:06,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267538181] [2024-11-09 12:00:06,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:06,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:06,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:00:06,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1755071352] [2024-11-09 12:00:06,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:06,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:00:06,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:00:06,057 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:00:06,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 12:00:06,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:06,111 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 12:00:06,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:00:06,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:06,260 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:00:06,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:06,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267538181] [2024-11-09 12:00:06,261 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:00:06,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755071352] [2024-11-09 12:00:06,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1755071352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:06,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:06,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 12:00:06,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501867089] [2024-11-09 12:00:06,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:06,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:00:06,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:06,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:00:06,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:00:06,264 INFO L87 Difference]: Start difference. First operand 107 states and 112 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:00:06,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:06,970 INFO L93 Difference]: Finished difference Result 146 states and 167 transitions. [2024-11-09 12:00:06,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:00:06,976 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-09 12:00:06,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:06,977 INFO L225 Difference]: With dead ends: 146 [2024-11-09 12:00:06,977 INFO L226 Difference]: Without dead ends: 135 [2024-11-09 12:00:06,978 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 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 12:00:06,979 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 162 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:06,979 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 149 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 12:00:06,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-09 12:00:07,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 130. [2024-11-09 12:00:07,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 84 states have (on average 1.6785714285714286) internal successors, (141), 124 states have internal predecessors, (141), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:00:07,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 149 transitions. [2024-11-09 12:00:07,011 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 149 transitions. Word has length 9 [2024-11-09 12:00:07,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:07,011 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 149 transitions. [2024-11-09 12:00:07,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:00:07,012 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 149 transitions. [2024-11-09 12:00:07,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 12:00:07,012 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:07,012 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:07,035 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 12:00:07,213 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 12:00:07,214 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:07,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:07,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1988380403, now seen corresponding path program 1 times [2024-11-09 12:00:07,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:07,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704391415] [2024-11-09 12:00:07,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:07,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:07,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:00:07,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [994202504] [2024-11-09 12:00:07,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:07,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:00:07,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:00:07,251 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:00:07,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 12:00:07,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:07,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 12:00:07,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:00:07,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:07,536 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:00:07,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:07,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704391415] [2024-11-09 12:00:07,537 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:00:07,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [994202504] [2024-11-09 12:00:07,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [994202504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:07,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:07,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 12:00:07,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192794250] [2024-11-09 12:00:07,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:07,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:00:07,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:07,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:00:07,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:00:07,539 INFO L87 Difference]: Start difference. First operand 130 states and 149 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:00:08,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:08,227 INFO L93 Difference]: Finished difference Result 180 states and 220 transitions. [2024-11-09 12:00:08,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:00:08,227 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-09 12:00:08,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:08,229 INFO L225 Difference]: With dead ends: 180 [2024-11-09 12:00:08,229 INFO L226 Difference]: Without dead ends: 162 [2024-11-09 12:00:08,229 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:00:08,238 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 170 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:08,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 146 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 12:00:08,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-09 12:00:08,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 156. [2024-11-09 12:00:08,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 111 states have (on average 1.6126126126126126) internal successors, (179), 149 states have internal predecessors, (179), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:00:08,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 189 transitions. [2024-11-09 12:00:08,274 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 189 transitions. Word has length 10 [2024-11-09 12:00:08,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:08,274 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 189 transitions. [2024-11-09 12:00:08,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:00:08,281 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 189 transitions. [2024-11-09 12:00:08,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 12:00:08,281 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:08,281 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:08,320 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 12:00:08,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:00:08,484 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:08,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:08,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1510250290, now seen corresponding path program 1 times [2024-11-09 12:00:08,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:08,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853269025] [2024-11-09 12:00:08,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:08,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:08,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:00:08,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1535273298] [2024-11-09 12:00:08,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:08,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:00:08,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:00:08,529 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:00:08,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 12:00:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:08,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 12:00:08,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:00:08,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:08,806 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:00:08,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:08,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853269025] [2024-11-09 12:00:08,806 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:00:08,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535273298] [2024-11-09 12:00:08,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1535273298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:08,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:08,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 12:00:08,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641322033] [2024-11-09 12:00:08,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:08,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:00:08,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:08,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:00:08,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:00:08,811 INFO L87 Difference]: Start difference. First operand 156 states and 189 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:00:09,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:09,143 INFO L93 Difference]: Finished difference Result 164 states and 196 transitions. [2024-11-09 12:00:09,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:00:09,144 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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 11 [2024-11-09 12:00:09,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:09,145 INFO L225 Difference]: With dead ends: 164 [2024-11-09 12:00:09,146 INFO L226 Difference]: Without dead ends: 163 [2024-11-09 12:00:09,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 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 12:00:09,148 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 144 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:09,150 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 161 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:00:09,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-11-09 12:00:09,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 156. [2024-11-09 12:00:09,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 111 states have (on average 1.6036036036036037) internal successors, (178), 149 states have internal predecessors, (178), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:00:09,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 188 transitions. [2024-11-09 12:00:09,166 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 188 transitions. Word has length 11 [2024-11-09 12:00:09,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:09,167 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 188 transitions. [2024-11-09 12:00:09,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:00:09,167 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 188 transitions. [2024-11-09 12:00:09,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 12:00:09,172 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:09,173 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:09,195 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 12:00:09,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:00:09,377 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:09,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:09,378 INFO L85 PathProgramCache]: Analyzing trace with hash 426881327, now seen corresponding path program 1 times [2024-11-09 12:00:09,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:09,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868435068] [2024-11-09 12:00:09,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:09,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:09,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:00:09,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [455791703] [2024-11-09 12:00:09,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:09,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:00:09,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:00:09,408 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:00:09,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 12:00:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:09,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 12:00:09,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:00:09,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:09,558 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:00:09,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:09,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868435068] [2024-11-09 12:00:09,558 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:00:09,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455791703] [2024-11-09 12:00:09,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [455791703] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:09,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:09,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 12:00:09,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044402494] [2024-11-09 12:00:09,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:09,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:00:09,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:09,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:00:09,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:00:09,560 INFO L87 Difference]: Start difference. First operand 156 states and 188 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:00:09,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:09,852 INFO L93 Difference]: Finished difference Result 160 states and 188 transitions. [2024-11-09 12:00:09,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:00:09,852 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 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 12 [2024-11-09 12:00:09,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:09,853 INFO L225 Difference]: With dead ends: 160 [2024-11-09 12:00:09,853 INFO L226 Difference]: Without dead ends: 157 [2024-11-09 12:00:09,854 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 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 12:00:09,854 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 161 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:09,855 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 153 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:00:09,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-09 12:00:09,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 156. [2024-11-09 12:00:09,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 111 states have (on average 1.5675675675675675) internal successors, (174), 149 states have internal predecessors, (174), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:00:09,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 184 transitions. [2024-11-09 12:00:09,864 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 184 transitions. Word has length 12 [2024-11-09 12:00:09,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:09,864 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 184 transitions. [2024-11-09 12:00:09,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:00:09,865 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 184 transitions. [2024-11-09 12:00:09,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 12:00:09,865 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:09,865 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:09,884 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 12:00:10,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:00:10,067 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:10,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:10,069 INFO L85 PathProgramCache]: Analyzing trace with hash 348419312, now seen corresponding path program 1 times [2024-11-09 12:00:10,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:10,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024034829] [2024-11-09 12:00:10,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:10,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:10,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:10,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:10,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:10,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024034829] [2024-11-09 12:00:10,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024034829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:10,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:10,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:00:10,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529745967] [2024-11-09 12:00:10,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:10,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:00:10,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:10,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:00:10,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:00:10,227 INFO L87 Difference]: Start difference. First operand 156 states and 184 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:00:11,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:11,967 INFO L93 Difference]: Finished difference Result 258 states and 303 transitions. [2024-11-09 12:00:11,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:00:11,972 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 13 [2024-11-09 12:00:11,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:11,973 INFO L225 Difference]: With dead ends: 258 [2024-11-09 12:00:11,974 INFO L226 Difference]: Without dead ends: 257 [2024-11-09 12:00:11,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:00:11,975 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 95 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:11,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 156 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-09 12:00:11,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-11-09 12:00:12,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 180. [2024-11-09 12:00:12,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 134 states have (on average 1.5746268656716418) internal successors, (211), 172 states have internal predecessors, (211), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 12:00:12,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 223 transitions. [2024-11-09 12:00:12,011 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 223 transitions. Word has length 13 [2024-11-09 12:00:12,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:12,012 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 223 transitions. [2024-11-09 12:00:12,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:00:12,012 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 223 transitions. [2024-11-09 12:00:12,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 12:00:12,013 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:12,013 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:12,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 12:00:12,017 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:12,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:12,019 INFO L85 PathProgramCache]: Analyzing trace with hash -2083903151, now seen corresponding path program 1 times [2024-11-09 12:00:12,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:12,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639540668] [2024-11-09 12:00:12,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:12,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:12,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:12,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:12,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639540668] [2024-11-09 12:00:12,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639540668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:12,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:12,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:00:12,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261173424] [2024-11-09 12:00:12,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:12,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:00:12,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:12,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:00:12,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:00:12,327 INFO L87 Difference]: Start difference. First operand 180 states and 223 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:00:14,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:14,955 INFO L93 Difference]: Finished difference Result 258 states and 301 transitions. [2024-11-09 12:00:14,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:00:14,956 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 14 [2024-11-09 12:00:14,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:14,958 INFO L225 Difference]: With dead ends: 258 [2024-11-09 12:00:14,958 INFO L226 Difference]: Without dead ends: 257 [2024-11-09 12:00:14,958 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:00:14,959 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 74 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:14,960 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 183 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-09 12:00:14,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-11-09 12:00:14,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 180. [2024-11-09 12:00:14,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 134 states have (on average 1.5597014925373134) internal successors, (209), 172 states have internal predecessors, (209), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 12:00:14,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 221 transitions. [2024-11-09 12:00:14,970 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 221 transitions. Word has length 14 [2024-11-09 12:00:14,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:14,971 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 221 transitions. [2024-11-09 12:00:14,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:00:14,971 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 221 transitions. [2024-11-09 12:00:14,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 12:00:14,972 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:14,972 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:14,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 12:00:14,973 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:14,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:14,973 INFO L85 PathProgramCache]: Analyzing trace with hash -854894940, now seen corresponding path program 1 times [2024-11-09 12:00:14,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:14,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077849440] [2024-11-09 12:00:14,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:14,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:14,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:15,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 12:00:15,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:15,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:15,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:15,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077849440] [2024-11-09 12:00:15,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077849440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:15,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:15,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:00:15,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807080376] [2024-11-09 12:00:15,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:15,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:00:15,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:15,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:00:15,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:00:15,078 INFO L87 Difference]: Start difference. First operand 180 states and 221 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:00:15,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:15,453 INFO L93 Difference]: Finished difference Result 257 states and 322 transitions. [2024-11-09 12:00:15,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:00:15,454 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2024-11-09 12:00:15,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:15,455 INFO L225 Difference]: With dead ends: 257 [2024-11-09 12:00:15,455 INFO L226 Difference]: Without dead ends: 255 [2024-11-09 12:00:15,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:00:15,456 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 56 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:15,457 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 161 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:00:15,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-09 12:00:15,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 229. [2024-11-09 12:00:15,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 182 states have (on average 1.6318681318681318) internal successors, (297), 220 states have internal predecessors, (297), 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 12:00:15,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 311 transitions. [2024-11-09 12:00:15,474 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 311 transitions. Word has length 28 [2024-11-09 12:00:15,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:15,474 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 311 transitions. [2024-11-09 12:00:15,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:00:15,475 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 311 transitions. [2024-11-09 12:00:15,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 12:00:15,475 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:15,476 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:15,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 12:00:15,477 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:15,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:15,478 INFO L85 PathProgramCache]: Analyzing trace with hash -426381197, now seen corresponding path program 1 times [2024-11-09 12:00:15,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:15,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325064234] [2024-11-09 12:00:15,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:15,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:15,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:00:15,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2124123110] [2024-11-09 12:00:15,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:15,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:00:15,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:00:15,529 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:00:15,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 12:00:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:15,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:00:15,594 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:00:15,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:15,700 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:00:15,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:15,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325064234] [2024-11-09 12:00:15,701 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:00:15,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124123110] [2024-11-09 12:00:15,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2124123110] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:15,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:15,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:00:15,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746904728] [2024-11-09 12:00:15,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:15,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:00:15,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:15,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:00:15,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:00:15,703 INFO L87 Difference]: Start difference. First operand 229 states and 311 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:00:16,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:16,050 INFO L93 Difference]: Finished difference Result 280 states and 382 transitions. [2024-11-09 12:00:16,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:00:16,050 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2024-11-09 12:00:16,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:16,054 INFO L225 Difference]: With dead ends: 280 [2024-11-09 12:00:16,054 INFO L226 Difference]: Without dead ends: 276 [2024-11-09 12:00:16,054 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:00:16,057 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 158 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:16,057 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 110 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:00:16,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-11-09 12:00:16,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 257. [2024-11-09 12:00:16,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 209 states have (on average 1.631578947368421) internal successors, (341), 247 states have internal predecessors, (341), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:00:16,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 357 transitions. [2024-11-09 12:00:16,069 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 357 transitions. Word has length 28 [2024-11-09 12:00:16,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:16,070 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 357 transitions. [2024-11-09 12:00:16,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:00:16,071 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 357 transitions. [2024-11-09 12:00:16,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 12:00:16,072 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:16,072 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:16,090 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 12:00:16,276 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,SelfDestructingSolverStorable10 [2024-11-09 12:00:16,277 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:16,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:16,277 INFO L85 PathProgramCache]: Analyzing trace with hash -748037788, now seen corresponding path program 1 times [2024-11-09 12:00:16,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:16,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504909754] [2024-11-09 12:00:16,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:16,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:16,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:16,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 12:00:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:16,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:16,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:16,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504909754] [2024-11-09 12:00:16,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504909754] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:16,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:16,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:00:16,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658552781] [2024-11-09 12:00:16,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:16,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:00:16,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:16,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:00:16,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:00:16,448 INFO L87 Difference]: Start difference. First operand 257 states and 357 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:00:17,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:17,262 INFO L93 Difference]: Finished difference Result 340 states and 449 transitions. [2024-11-09 12:00:17,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:00:17,262 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2024-11-09 12:00:17,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:17,264 INFO L225 Difference]: With dead ends: 340 [2024-11-09 12:00:17,264 INFO L226 Difference]: Without dead ends: 339 [2024-11-09 12:00:17,265 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:00:17,265 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 63 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:17,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 219 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 12:00:17,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-09 12:00:17,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 267. [2024-11-09 12:00:17,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 219 states have (on average 1.6255707762557077) internal successors, (356), 257 states have internal predecessors, (356), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:00:17,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 372 transitions. [2024-11-09 12:00:17,281 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 372 transitions. Word has length 29 [2024-11-09 12:00:17,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:17,282 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 372 transitions. [2024-11-09 12:00:17,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:00:17,282 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 372 transitions. [2024-11-09 12:00:17,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 12:00:17,284 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:17,284 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:17,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 12:00:17,285 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:17,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:17,285 INFO L85 PathProgramCache]: Analyzing trace with hash -332915099, now seen corresponding path program 1 times [2024-11-09 12:00:17,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:17,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025607450] [2024-11-09 12:00:17,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:17,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:00:17,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1702778882] [2024-11-09 12:00:17,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:17,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:00:17,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:00:17,321 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:00:17,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 12:00:17,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:17,384 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:00:17,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:00:17,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:17,467 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:00:17,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:17,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025607450] [2024-11-09 12:00:17,468 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:00:17,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702778882] [2024-11-09 12:00:17,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1702778882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:17,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:17,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:00:17,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876415107] [2024-11-09 12:00:17,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:17,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:00:17,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:17,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:00:17,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:00:17,471 INFO L87 Difference]: Start difference. First operand 267 states and 372 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:00:17,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:17,833 INFO L93 Difference]: Finished difference Result 283 states and 379 transitions. [2024-11-09 12:00:17,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:00:17,834 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2024-11-09 12:00:17,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:17,836 INFO L225 Difference]: With dead ends: 283 [2024-11-09 12:00:17,836 INFO L226 Difference]: Without dead ends: 279 [2024-11-09 12:00:17,836 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:00:17,837 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 198 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:17,837 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 89 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:00:17,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2024-11-09 12:00:17,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 267. [2024-11-09 12:00:17,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 219 states have (on average 1.6027397260273972) internal successors, (351), 257 states have internal predecessors, (351), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:00:17,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 367 transitions. [2024-11-09 12:00:17,852 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 367 transitions. Word has length 29 [2024-11-09 12:00:17,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:17,854 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 367 transitions. [2024-11-09 12:00:17,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:00:17,854 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 367 transitions. [2024-11-09 12:00:17,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 12:00:17,855 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:17,855 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:17,878 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-09 12:00:18,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:00:18,056 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:18,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:18,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1714334841, now seen corresponding path program 1 times [2024-11-09 12:00:18,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:18,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263674728] [2024-11-09 12:00:18,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:18,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:18,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 12:00:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:18,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:18,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:18,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263674728] [2024-11-09 12:00:18,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263674728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:18,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:18,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:00:18,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358486497] [2024-11-09 12:00:18,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:18,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:00:18,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:18,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:00:18,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:00:18,184 INFO L87 Difference]: Start difference. First operand 267 states and 367 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:00:19,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:19,342 INFO L93 Difference]: Finished difference Result 340 states and 441 transitions. [2024-11-09 12:00:19,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:00:19,346 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2024-11-09 12:00:19,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:19,352 INFO L225 Difference]: With dead ends: 340 [2024-11-09 12:00:19,352 INFO L226 Difference]: Without dead ends: 339 [2024-11-09 12:00:19,352 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:00:19,353 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 62 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:19,354 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 215 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 12:00:19,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-09 12:00:19,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 269. [2024-11-09 12:00:19,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 221 states have (on average 1.5972850678733033) internal successors, (353), 259 states have internal predecessors, (353), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:00:19,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 369 transitions. [2024-11-09 12:00:19,377 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 369 transitions. Word has length 30 [2024-11-09 12:00:19,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:19,382 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 369 transitions. [2024-11-09 12:00:19,382 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:00:19,382 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 369 transitions. [2024-11-09 12:00:19,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 12:00:19,384 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:19,384 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:19,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 12:00:19,384 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:19,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:19,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1316264971, now seen corresponding path program 1 times [2024-11-09 12:00:19,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:19,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743911678] [2024-11-09 12:00:19,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:19,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:19,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 12:00:19,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:19,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:19,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:19,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743911678] [2024-11-09 12:00:19,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743911678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:19,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:19,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 12:00:19,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306032439] [2024-11-09 12:00:19,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:19,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:00:19,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:19,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:00:19,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:00:19,586 INFO L87 Difference]: Start difference. First operand 269 states and 369 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:00:20,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:20,303 INFO L93 Difference]: Finished difference Result 381 states and 545 transitions. [2024-11-09 12:00:20,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:00:20,304 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2024-11-09 12:00:20,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:20,306 INFO L225 Difference]: With dead ends: 381 [2024-11-09 12:00:20,306 INFO L226 Difference]: Without dead ends: 379 [2024-11-09 12:00:20,306 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-09 12:00:20,307 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 282 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:20,307 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 96 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 12:00:20,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2024-11-09 12:00:20,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 275. [2024-11-09 12:00:20,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 227 states have (on average 1.5859030837004404) internal successors, (360), 265 states have internal predecessors, (360), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:00:20,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 376 transitions. [2024-11-09 12:00:20,318 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 376 transitions. Word has length 30 [2024-11-09 12:00:20,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:20,318 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 376 transitions. [2024-11-09 12:00:20,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:00:20,319 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 376 transitions. [2024-11-09 12:00:20,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 12:00:20,319 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:20,319 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:20,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 12:00:20,320 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:20,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:20,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1730433355, now seen corresponding path program 1 times [2024-11-09 12:00:20,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:20,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073892381] [2024-11-09 12:00:20,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:20,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:20,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 12:00:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:20,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:20,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:20,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073892381] [2024-11-09 12:00:20,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073892381] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:20,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:20,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:00:20,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412110591] [2024-11-09 12:00:20,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:20,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:00:20,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:20,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:00:20,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:00:20,382 INFO L87 Difference]: Start difference. First operand 275 states and 376 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:00:20,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:20,919 INFO L93 Difference]: Finished difference Result 340 states and 437 transitions. [2024-11-09 12:00:20,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:00:20,920 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2024-11-09 12:00:20,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:20,921 INFO L225 Difference]: With dead ends: 340 [2024-11-09 12:00:20,922 INFO L226 Difference]: Without dead ends: 339 [2024-11-09 12:00:20,922 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:00:20,923 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 63 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:20,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 214 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 12:00:20,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-09 12:00:20,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 284. [2024-11-09 12:00:20,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 236 states have (on average 1.5847457627118644) internal successors, (374), 274 states have internal predecessors, (374), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:00:20,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 390 transitions. [2024-11-09 12:00:20,964 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 390 transitions. Word has length 30 [2024-11-09 12:00:20,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:20,965 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 390 transitions. [2024-11-09 12:00:20,965 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:00:20,965 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 390 transitions. [2024-11-09 12:00:20,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 12:00:20,966 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:20,966 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:20,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 12:00:20,966 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:20,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:20,967 INFO L85 PathProgramCache]: Analyzing trace with hash 2145458997, now seen corresponding path program 1 times [2024-11-09 12:00:20,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:20,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125106107] [2024-11-09 12:00:20,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:20,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:21,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 12:00:21,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:21,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:21,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:21,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125106107] [2024-11-09 12:00:21,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125106107] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:21,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:21,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 12:00:21,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508700693] [2024-11-09 12:00:21,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:21,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:00:21,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:21,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:00:21,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:00:21,045 INFO L87 Difference]: Start difference. First operand 284 states and 390 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:00:21,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:21,631 INFO L93 Difference]: Finished difference Result 292 states and 397 transitions. [2024-11-09 12:00:21,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:00:21,631 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2024-11-09 12:00:21,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:21,633 INFO L225 Difference]: With dead ends: 292 [2024-11-09 12:00:21,633 INFO L226 Difference]: Without dead ends: 290 [2024-11-09 12:00:21,633 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-09 12:00:21,634 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 276 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:21,634 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 80 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 12:00:21,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-11-09 12:00:21,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 284. [2024-11-09 12:00:21,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 236 states have (on average 1.5720338983050848) internal successors, (371), 274 states have internal predecessors, (371), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:00:21,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 387 transitions. [2024-11-09 12:00:21,645 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 387 transitions. Word has length 31 [2024-11-09 12:00:21,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:21,645 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 387 transitions. [2024-11-09 12:00:21,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:00:21,645 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 387 transitions. [2024-11-09 12:00:21,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 12:00:21,646 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:21,646 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:21,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 12:00:21,646 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:21,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:21,647 INFO L85 PathProgramCache]: Analyzing trace with hash -2103826329, now seen corresponding path program 1 times [2024-11-09 12:00:21,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:21,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500153556] [2024-11-09 12:00:21,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:21,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:21,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 12:00:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:21,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:21,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:21,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500153556] [2024-11-09 12:00:21,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500153556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:21,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:21,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:00:21,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270469749] [2024-11-09 12:00:21,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:21,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:00:21,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:21,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:00:21,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:00:21,781 INFO L87 Difference]: Start difference. First operand 284 states and 387 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:00:22,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:22,611 INFO L93 Difference]: Finished difference Result 340 states and 431 transitions. [2024-11-09 12:00:22,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:00:22,612 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2024-11-09 12:00:22,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:22,614 INFO L225 Difference]: With dead ends: 340 [2024-11-09 12:00:22,614 INFO L226 Difference]: Without dead ends: 339 [2024-11-09 12:00:22,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:00:22,615 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 61 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:22,616 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 221 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 12:00:22,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-09 12:00:22,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 286. [2024-11-09 12:00:22,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 238 states have (on average 1.5672268907563025) internal successors, (373), 276 states have internal predecessors, (373), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:00:22,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 389 transitions. [2024-11-09 12:00:22,629 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 389 transitions. Word has length 31 [2024-11-09 12:00:22,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:22,629 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 389 transitions. [2024-11-09 12:00:22,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:00:22,629 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 389 transitions. [2024-11-09 12:00:22,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 12:00:22,630 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:22,631 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 12:00:22,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 12:00:22,631 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:22,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:22,632 INFO L85 PathProgramCache]: Analyzing trace with hash 346093816, now seen corresponding path program 1 times [2024-11-09 12:00:22,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:22,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584728660] [2024-11-09 12:00:22,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:22,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:22,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 12:00:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:22,701 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:22,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:22,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584728660] [2024-11-09 12:00:22,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584728660] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:00:22,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1160002425] [2024-11-09 12:00:22,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:22,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:00:22,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:00:22,706 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:00:22,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 12:00:22,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:22,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:00:22,753 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:00:22,806 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:22,806 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:00:22,878 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:22,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1160002425] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:00:22,879 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:00:22,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5] total 9 [2024-11-09 12:00:22,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502576676] [2024-11-09 12:00:22,879 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:00:22,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 12:00:22,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:22,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 12:00:22,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:00:22,880 INFO L87 Difference]: Start difference. First operand 286 states and 389 transitions. Second operand has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:00:23,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:23,025 INFO L93 Difference]: Finished difference Result 773 states and 1048 transitions. [2024-11-09 12:00:23,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 12:00:23,026 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 32 [2024-11-09 12:00:23,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:23,029 INFO L225 Difference]: With dead ends: 773 [2024-11-09 12:00:23,031 INFO L226 Difference]: Without dead ends: 757 [2024-11-09 12:00:23,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 60 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 12:00:23,033 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 220 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:23,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 680 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:00:23,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2024-11-09 12:00:23,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 671. [2024-11-09 12:00:23,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 607 states have (on average 1.5897858319604612) internal successors, (965), 649 states have internal predecessors, (965), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 17 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 12:00:23,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 1007 transitions. [2024-11-09 12:00:23,081 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 1007 transitions. Word has length 32 [2024-11-09 12:00:23,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:23,081 INFO L471 AbstractCegarLoop]: Abstraction has 671 states and 1007 transitions. [2024-11-09 12:00:23,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:00:23,082 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 1007 transitions. [2024-11-09 12:00:23,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 12:00:23,082 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:23,082 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 12:00:23,101 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 12:00:23,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:00:23,284 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:23,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:23,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1883677082, now seen corresponding path program 1 times [2024-11-09 12:00:23,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:23,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638540870] [2024-11-09 12:00:23,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:23,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:23,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:00:23,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2112116328] [2024-11-09 12:00:23,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:23,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:00:23,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:00:23,308 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:00:23,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 12:00:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:23,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 12:00:23,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:00:24,213 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:24,213 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:00:26,064 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:26,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:26,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638540870] [2024-11-09 12:00:26,064 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:00:26,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112116328] [2024-11-09 12:00:26,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2112116328] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:00:26,064 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:00:26,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 14 [2024-11-09 12:00:26,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899753223] [2024-11-09 12:00:26,065 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:00:26,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 12:00:26,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:26,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 12:00:26,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2024-11-09 12:00:26,066 INFO L87 Difference]: Start difference. First operand 671 states and 1007 transitions. Second operand has 15 states, 14 states have (on average 4.285714285714286) internal successors, (60), 15 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:00:32,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 12:00:34,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:34,703 INFO L93 Difference]: Finished difference Result 1199 states and 1824 transitions. [2024-11-09 12:00:34,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-09 12:00:34,703 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.285714285714286) internal successors, (60), 15 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 34 [2024-11-09 12:00:34,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:34,709 INFO L225 Difference]: With dead ends: 1199 [2024-11-09 12:00:34,709 INFO L226 Difference]: Without dead ends: 1155 [2024-11-09 12:00:34,710 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=322, Invalid=670, Unknown=0, NotChecked=0, Total=992 [2024-11-09 12:00:34,711 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 676 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 899 mSolverCounterSat, 104 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 677 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 1004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 899 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:34,711 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [677 Valid, 162 Invalid, 1004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 899 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2024-11-09 12:00:34,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1155 states. [2024-11-09 12:00:34,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1155 to 822. [2024-11-09 12:00:34,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 822 states, 756 states have (on average 1.5145502645502646) internal successors, (1145), 796 states have internal predecessors, (1145), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 21 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-09 12:00:34,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 822 states and 1193 transitions. [2024-11-09 12:00:34,758 INFO L78 Accepts]: Start accepts. Automaton has 822 states and 1193 transitions. Word has length 34 [2024-11-09 12:00:34,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:34,758 INFO L471 AbstractCegarLoop]: Abstraction has 822 states and 1193 transitions. [2024-11-09 12:00:34,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.285714285714286) internal successors, (60), 15 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:00:34,759 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1193 transitions. [2024-11-09 12:00:34,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 12:00:34,759 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:34,759 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:34,781 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 12:00:34,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:00:34,965 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:34,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:34,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1960786937, now seen corresponding path program 1 times [2024-11-09 12:00:34,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:34,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779579536] [2024-11-09 12:00:34,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:34,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:34,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:00:34,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [923895859] [2024-11-09 12:00:34,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:34,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:00:34,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:00:34,990 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:00:34,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 12:00:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:35,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 12:00:35,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:00:35,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:35,203 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:00:35,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:35,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779579536] [2024-11-09 12:00:35,204 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:00:35,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [923895859] [2024-11-09 12:00:35,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [923895859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:35,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:35,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 12:00:35,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067197316] [2024-11-09 12:00:35,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:35,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:00:35,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:35,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:00:35,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:00:35,206 INFO L87 Difference]: Start difference. First operand 822 states and 1193 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:00:35,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:35,847 INFO L93 Difference]: Finished difference Result 967 states and 1411 transitions. [2024-11-09 12:00:35,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:00:35,847 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2024-11-09 12:00:35,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:35,850 INFO L225 Difference]: With dead ends: 967 [2024-11-09 12:00:35,850 INFO L226 Difference]: Without dead ends: 960 [2024-11-09 12:00:35,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-09 12:00:35,851 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 251 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:35,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 86 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 12:00:35,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2024-11-09 12:00:35,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 823. [2024-11-09 12:00:35,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 823 states, 758 states have (on average 1.4973614775725594) internal successors, (1135), 798 states have internal predecessors, (1135), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (23), 20 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 12:00:35,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1181 transitions. [2024-11-09 12:00:35,885 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1181 transitions. Word has length 34 [2024-11-09 12:00:35,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:35,885 INFO L471 AbstractCegarLoop]: Abstraction has 823 states and 1181 transitions. [2024-11-09 12:00:35,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:00:35,885 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1181 transitions. [2024-11-09 12:00:35,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 12:00:35,886 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:35,886 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:35,902 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-09 12:00:36,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:00:36,089 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:36,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:36,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1735552545, now seen corresponding path program 1 times [2024-11-09 12:00:36,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:36,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350128641] [2024-11-09 12:00:36,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:36,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:00:36,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [838873033] [2024-11-09 12:00:36,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:36,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:00:36,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:00:36,103 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:00:36,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 12:00:36,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:36,144 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 12:00:36,145 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:00:36,497 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:36,497 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:00:38,650 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:38,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:38,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350128641] [2024-11-09 12:00:38,651 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:00:38,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [838873033] [2024-11-09 12:00:38,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [838873033] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:00:38,651 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:00:38,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 14 [2024-11-09 12:00:38,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001753726] [2024-11-09 12:00:38,652 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:00:38,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 12:00:38,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:38,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 12:00:38,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2024-11-09 12:00:38,653 INFO L87 Difference]: Start difference. First operand 823 states and 1181 transitions. Second operand has 15 states, 14 states have (on average 4.428571428571429) internal successors, (62), 15 states have internal predecessors, (62), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:00:46,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-09 12:00:51,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-09 12:00:52,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:52,724 INFO L93 Difference]: Finished difference Result 1216 states and 1778 transitions. [2024-11-09 12:00:52,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 12:00:52,727 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.428571428571429) internal successors, (62), 15 states have internal predecessors, (62), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 35 [2024-11-09 12:00:52,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:52,735 INFO L225 Difference]: With dead ends: 1216 [2024-11-09 12:00:52,735 INFO L226 Difference]: Without dead ends: 1178 [2024-11-09 12:00:52,736 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=283, Invalid=587, Unknown=0, NotChecked=0, Total=870 [2024-11-09 12:00:52,737 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 635 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 86 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 636 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:52,737 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [636 Valid, 137 Invalid, 771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 683 Invalid, 2 Unknown, 0 Unchecked, 12.5s Time] [2024-11-09 12:00:52,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1178 states. [2024-11-09 12:00:52,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1178 to 888. [2024-11-09 12:00:52,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 888 states, 824 states have (on average 1.4575242718446602) internal successors, (1201), 863 states have internal predecessors, (1201), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 12:00:52,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1245 transitions. [2024-11-09 12:00:52,877 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1245 transitions. Word has length 35 [2024-11-09 12:00:52,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:52,877 INFO L471 AbstractCegarLoop]: Abstraction has 888 states and 1245 transitions. [2024-11-09 12:00:52,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.428571428571429) internal successors, (62), 15 states have internal predecessors, (62), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:00:52,881 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1245 transitions. [2024-11-09 12:00:52,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 12:00:52,882 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:52,882 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:52,906 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 12:00:53,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-09 12:00:53,083 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:53,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:53,087 INFO L85 PathProgramCache]: Analyzing trace with hash 654853049, now seen corresponding path program 1 times [2024-11-09 12:00:53,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:53,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882192587] [2024-11-09 12:00:53,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:53,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:53,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:00:53,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1950909551] [2024-11-09 12:00:53,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:53,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:00:53,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:00:53,137 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:00:53,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 12:00:53,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:53,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 12:00:53,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:00:53,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:53,428 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:00:53,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:00:53,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882192587] [2024-11-09 12:00:53,428 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:00:53,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950909551] [2024-11-09 12:00:53,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1950909551] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:00:53,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:00:53,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 12:00:53,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46046481] [2024-11-09 12:00:53,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:00:53,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:00:53,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:00:53,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:00:53,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:00:53,431 INFO L87 Difference]: Start difference. First operand 888 states and 1245 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:00:54,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:00:54,360 INFO L93 Difference]: Finished difference Result 903 states and 1257 transitions. [2024-11-09 12:00:54,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:00:54,360 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2024-11-09 12:00:54,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:00:54,363 INFO L225 Difference]: With dead ends: 903 [2024-11-09 12:00:54,364 INFO L226 Difference]: Without dead ends: 898 [2024-11-09 12:00:54,364 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-09 12:00:54,365 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 222 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 12:00:54,365 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 114 Invalid, 458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 12:00:54,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2024-11-09 12:00:54,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 882. [2024-11-09 12:00:54,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 882 states, 818 states have (on average 1.4327628361858191) internal successors, (1172), 857 states have internal predecessors, (1172), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 12:00:54,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1216 transitions. [2024-11-09 12:00:54,424 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1216 transitions. Word has length 35 [2024-11-09 12:00:54,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:00:54,424 INFO L471 AbstractCegarLoop]: Abstraction has 882 states and 1216 transitions. [2024-11-09 12:00:54,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:00:54,424 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1216 transitions. [2024-11-09 12:00:54,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 12:00:54,425 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:00:54,425 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:00:54,442 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-09 12:00:54,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-09 12:00:54,626 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:00:54,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:00:54,626 INFO L85 PathProgramCache]: Analyzing trace with hash 2032446012, now seen corresponding path program 1 times [2024-11-09 12:00:54,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:00:54,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461196973] [2024-11-09 12:00:54,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:54,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:00:54,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:00:54,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1893749833] [2024-11-09 12:00:54,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:00:54,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:00:54,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:00:54,650 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:00:54,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 12:00:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:00:54,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 12:00:54,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:00:55,431 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:00:55,432 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:01:02,981 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:02,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:02,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461196973] [2024-11-09 12:01:02,982 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:01:02,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1893749833] [2024-11-09 12:01:02,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1893749833] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 12:01:02,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:01:02,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 15 [2024-11-09 12:01:02,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861578220] [2024-11-09 12:01:02,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:02,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 12:01:02,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:02,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 12:01:02,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2024-11-09 12:01:02,984 INFO L87 Difference]: Start difference. First operand 882 states and 1216 transitions. Second operand has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:01:07,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:07,572 INFO L93 Difference]: Finished difference Result 901 states and 1236 transitions. [2024-11-09 12:01:07,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:01:07,573 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2024-11-09 12:01:07,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:07,577 INFO L225 Difference]: With dead ends: 901 [2024-11-09 12:01:07,577 INFO L226 Difference]: Without dead ends: 900 [2024-11-09 12:01:07,578 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-11-09 12:01:07,578 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 42 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:07,579 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 115 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-09 12:01:07,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2024-11-09 12:01:07,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 899. [2024-11-09 12:01:07,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 899 states, 835 states have (on average 1.4191616766467066) internal successors, (1185), 874 states have internal predecessors, (1185), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 12:01:07,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1229 transitions. [2024-11-09 12:01:07,637 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1229 transitions. Word has length 36 [2024-11-09 12:01:07,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:07,637 INFO L471 AbstractCegarLoop]: Abstraction has 899 states and 1229 transitions. [2024-11-09 12:01:07,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:01:07,637 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1229 transitions. [2024-11-09 12:01:07,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 12:01:07,638 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:07,638 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:07,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-09 12:01:07,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-09 12:01:07,843 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:01:07,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:07,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1174391813, now seen corresponding path program 1 times [2024-11-09 12:01:07,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:07,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550050360] [2024-11-09 12:01:07,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:07,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:07,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 12:01:07,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:07,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:07,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:07,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550050360] [2024-11-09 12:01:07,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550050360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:07,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:07,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:01:07,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531803148] [2024-11-09 12:01:07,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:07,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:01:07,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:07,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:01:07,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:01:07,896 INFO L87 Difference]: Start difference. First operand 899 states and 1229 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:01:08,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:08,494 INFO L93 Difference]: Finished difference Result 939 states and 1271 transitions. [2024-11-09 12:01:08,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:01:08,495 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2024-11-09 12:01:08,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:08,497 INFO L225 Difference]: With dead ends: 939 [2024-11-09 12:01:08,498 INFO L226 Difference]: Without dead ends: 938 [2024-11-09 12:01:08,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:01:08,498 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 36 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:08,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 182 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 12:01:08,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2024-11-09 12:01:08,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 921. [2024-11-09 12:01:08,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 857 states have (on average 1.4224037339556592) internal successors, (1219), 896 states have internal predecessors, (1219), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 12:01:08,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1263 transitions. [2024-11-09 12:01:08,542 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1263 transitions. Word has length 36 [2024-11-09 12:01:08,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:08,542 INFO L471 AbstractCegarLoop]: Abstraction has 921 states and 1263 transitions. [2024-11-09 12:01:08,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:01:08,542 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1263 transitions. [2024-11-09 12:01:08,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 12:01:08,542 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:08,543 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:08,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-09 12:01:08,543 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:01:08,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:08,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1418683007, now seen corresponding path program 1 times [2024-11-09 12:01:08,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:08,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596947769] [2024-11-09 12:01:08,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:08,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:08,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:01:08,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1192698702] [2024-11-09 12:01:08,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:08,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:08,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:01:08,554 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:01:08,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 12:01:08,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:08,597 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 12:01:08,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:01:08,868 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:08,868 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:01:11,135 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:11,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:11,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596947769] [2024-11-09 12:01:11,135 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:01:11,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1192698702] [2024-11-09 12:01:11,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1192698702] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 12:01:11,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:01:11,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 15 [2024-11-09 12:01:11,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76908973] [2024-11-09 12:01:11,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:11,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 12:01:11,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:11,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 12:01:11,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2024-11-09 12:01:11,137 INFO L87 Difference]: Start difference. First operand 921 states and 1263 transitions. Second operand has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:01:16,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:01:17,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:17,564 INFO L93 Difference]: Finished difference Result 925 states and 1267 transitions. [2024-11-09 12:01:17,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:01:17,565 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2024-11-09 12:01:17,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:17,568 INFO L225 Difference]: With dead ends: 925 [2024-11-09 12:01:17,568 INFO L226 Difference]: Without dead ends: 924 [2024-11-09 12:01:17,569 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-11-09 12:01:17,569 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 26 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:17,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 102 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 145 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2024-11-09 12:01:17,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2024-11-09 12:01:17,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 923. [2024-11-09 12:01:17,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 923 states, 859 states have (on average 1.4155995343422585) internal successors, (1216), 898 states have internal predecessors, (1216), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 12:01:17,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1260 transitions. [2024-11-09 12:01:17,651 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1260 transitions. Word has length 37 [2024-11-09 12:01:17,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:17,652 INFO L471 AbstractCegarLoop]: Abstraction has 923 states and 1260 transitions. [2024-11-09 12:01:17,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:01:17,652 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1260 transitions. [2024-11-09 12:01:17,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 12:01:17,652 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:17,652 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:17,673 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-09 12:01:17,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-09 12:01:17,857 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:01:17,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:17,859 INFO L85 PathProgramCache]: Analyzing trace with hash 455632843, now seen corresponding path program 1 times [2024-11-09 12:01:17,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:17,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915835676] [2024-11-09 12:01:17,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:17,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:01:17,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1111823186] [2024-11-09 12:01:17,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:17,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:17,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:01:17,882 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:01:17,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 12:01:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:17,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 12:01:17,936 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:01:18,137 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:18,138 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:01:18,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:18,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915835676] [2024-11-09 12:01:18,138 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:01:18,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111823186] [2024-11-09 12:01:18,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1111823186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:18,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:18,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 12:01:18,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300288384] [2024-11-09 12:01:18,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:18,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 12:01:18,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:18,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 12:01:18,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:01:18,140 INFO L87 Difference]: Start difference. First operand 923 states and 1260 transitions. Second operand has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:01:18,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:18,732 INFO L93 Difference]: Finished difference Result 931 states and 1266 transitions. [2024-11-09 12:01:18,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 12:01:18,733 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2024-11-09 12:01:18,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:18,736 INFO L225 Difference]: With dead ends: 931 [2024-11-09 12:01:18,736 INFO L226 Difference]: Without dead ends: 930 [2024-11-09 12:01:18,737 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-09 12:01:18,737 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 159 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:18,737 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 197 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 12:01:18,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2024-11-09 12:01:18,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 923. [2024-11-09 12:01:18,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 923 states, 859 states have (on average 1.4121071012805588) internal successors, (1213), 898 states have internal predecessors, (1213), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 12:01:18,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1257 transitions. [2024-11-09 12:01:18,795 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1257 transitions. Word has length 37 [2024-11-09 12:01:18,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:18,795 INFO L471 AbstractCegarLoop]: Abstraction has 923 states and 1257 transitions. [2024-11-09 12:01:18,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:01:18,795 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1257 transitions. [2024-11-09 12:01:18,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 12:01:18,796 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:18,796 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:18,814 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-09 12:01:18,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:18,997 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:01:18,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:18,997 INFO L85 PathProgramCache]: Analyzing trace with hash -2046407685, now seen corresponding path program 1 times [2024-11-09 12:01:18,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:18,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694182023] [2024-11-09 12:01:18,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:18,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:19,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 12:01:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:19,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:19,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:19,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694182023] [2024-11-09 12:01:19,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694182023] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:19,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:19,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:01:19,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684099319] [2024-11-09 12:01:19,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:19,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:01:19,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:19,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:01:19,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:01:19,054 INFO L87 Difference]: Start difference. First operand 923 states and 1257 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:01:19,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:19,890 INFO L93 Difference]: Finished difference Result 940 states and 1261 transitions. [2024-11-09 12:01:19,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:01:19,891 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2024-11-09 12:01:19,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:19,894 INFO L225 Difference]: With dead ends: 940 [2024-11-09 12:01:19,894 INFO L226 Difference]: Without dead ends: 939 [2024-11-09 12:01:19,894 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:01:19,895 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 33 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:19,895 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 196 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 12:01:19,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2024-11-09 12:01:19,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 925. [2024-11-09 12:01:19,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 861 states have (on average 1.4088269454123112) internal successors, (1213), 900 states have internal predecessors, (1213), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 12:01:19,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1257 transitions. [2024-11-09 12:01:19,953 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1257 transitions. Word has length 37 [2024-11-09 12:01:19,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:19,953 INFO L471 AbstractCegarLoop]: Abstraction has 925 states and 1257 transitions. [2024-11-09 12:01:19,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:01:19,954 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1257 transitions. [2024-11-09 12:01:19,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-09 12:01:19,954 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:19,954 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 12:01:19,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-09 12:01:19,954 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:01:19,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:19,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1617930517, now seen corresponding path program 1 times [2024-11-09 12:01:19,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:19,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536746116] [2024-11-09 12:01:19,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:19,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:19,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:01:19,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2111636347] [2024-11-09 12:01:19,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:19,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:19,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:01:19,968 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:01:19,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-09 12:01:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:20,017 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 12:01:20,018 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:01:21,044 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:21,044 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:01:23,315 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:23,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:23,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536746116] [2024-11-09 12:01:23,315 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:01:23,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111636347] [2024-11-09 12:01:23,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2111636347] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 12:01:23,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:01:23,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2024-11-09 12:01:23,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435503320] [2024-11-09 12:01:23,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:23,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 12:01:23,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:23,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 12:01:23,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2024-11-09 12:01:23,318 INFO L87 Difference]: Start difference. First operand 925 states and 1257 transitions. Second operand has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:01:33,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:33,018 INFO L93 Difference]: Finished difference Result 950 states and 1287 transitions. [2024-11-09 12:01:33,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 12:01:33,018 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2024-11-09 12:01:33,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:33,022 INFO L225 Difference]: With dead ends: 950 [2024-11-09 12:01:33,022 INFO L226 Difference]: Without dead ends: 949 [2024-11-09 12:01:33,023 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2024-11-09 12:01:33,025 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 20 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:33,025 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 210 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2024-11-09 12:01:33,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 949 states. [2024-11-09 12:01:33,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 949 to 948. [2024-11-09 12:01:33,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 948 states, 884 states have (on average 1.3993212669683257) internal successors, (1237), 923 states have internal predecessors, (1237), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 12:01:33,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1281 transitions. [2024-11-09 12:01:33,099 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1281 transitions. Word has length 38 [2024-11-09 12:01:33,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:33,100 INFO L471 AbstractCegarLoop]: Abstraction has 948 states and 1281 transitions. [2024-11-09 12:01:33,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:01:33,100 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1281 transitions. [2024-11-09 12:01:33,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 12:01:33,100 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:33,101 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:33,122 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-09 12:01:33,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-09 12:01:33,304 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:01:33,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:33,304 INFO L85 PathProgramCache]: Analyzing trace with hash -223500115, now seen corresponding path program 1 times [2024-11-09 12:01:33,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:33,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695967781] [2024-11-09 12:01:33,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:33,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:33,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:01:33,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [954210052] [2024-11-09 12:01:33,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:33,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:33,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:01:33,320 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:01:33,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-09 12:01:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:33,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 12:01:33,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:01:33,580 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:33,581 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:01:33,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:33,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695967781] [2024-11-09 12:01:33,581 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:01:33,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [954210052] [2024-11-09 12:01:33,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [954210052] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:01:33,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:01:33,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 12:01:33,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981854852] [2024-11-09 12:01:33,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:33,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 12:01:33,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:33,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 12:01:33,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:01:33,583 INFO L87 Difference]: Start difference. First operand 948 states and 1281 transitions. Second operand has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:01:34,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:01:34,017 INFO L93 Difference]: Finished difference Result 957 states and 1287 transitions. [2024-11-09 12:01:34,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 12:01:34,018 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2024-11-09 12:01:34,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:01:34,021 INFO L225 Difference]: With dead ends: 957 [2024-11-09 12:01:34,021 INFO L226 Difference]: Without dead ends: 955 [2024-11-09 12:01:34,022 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:01:34,022 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 181 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:01:34,022 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 203 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:01:34,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2024-11-09 12:01:34,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 948. [2024-11-09 12:01:34,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 948 states, 884 states have (on average 1.3925339366515836) internal successors, (1231), 923 states have internal predecessors, (1231), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 12:01:34,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1275 transitions. [2024-11-09 12:01:34,102 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1275 transitions. Word has length 39 [2024-11-09 12:01:34,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:01:34,102 INFO L471 AbstractCegarLoop]: Abstraction has 948 states and 1275 transitions. [2024-11-09 12:01:34,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 12:01:34,103 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1275 transitions. [2024-11-09 12:01:34,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 12:01:34,103 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:01:34,103 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:01:34,125 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-09 12:01:34,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:34,305 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-09 12:01:34,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:01:34,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1383761586, now seen corresponding path program 1 times [2024-11-09 12:01:34,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:01:34,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797283250] [2024-11-09 12:01:34,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:34,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:01:34,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:01:34,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1602515076] [2024-11-09 12:01:34,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:01:34,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:01:34,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:01:34,331 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:01:34,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-09 12:01:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:01:34,385 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 12:01:34,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:01:35,415 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:35,415 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:01:39,181 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:01:39,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:01:39,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797283250] [2024-11-09 12:01:39,181 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:01:39,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1602515076] [2024-11-09 12:01:39,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1602515076] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 12:01:39,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:01:39,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2024-11-09 12:01:39,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714411135] [2024-11-09 12:01:39,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:01:39,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 12:01:39,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:01:39,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 12:01:39,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-09 12:01:39,182 INFO L87 Difference]: Start difference. First operand 948 states and 1275 transitions. Second operand has 9 states, 8 states have (on average 4.625) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)