./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8be7027f 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/ps5-ll_unwindbound10.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 1c50dd7e64abcc7a7eef6ea31e37156afb1e4322422284686cac6e6613b192c7 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 17:41:51,820 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 17:41:51,904 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-12 17:41:51,911 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 17:41:51,912 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 17:41:51,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 17:41:51,944 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 17:41:51,945 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 17:41:51,945 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 17:41:51,947 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 17:41:51,947 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 17:41:51,948 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 17:41:51,948 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 17:41:51,949 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 17:41:51,951 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 17:41:51,951 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 17:41:51,951 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 17:41:51,952 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 17:41:51,952 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 17:41:51,955 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 17:41:51,955 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 17:41:51,956 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 17:41:51,956 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 17:41:51,957 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 17:41:51,957 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 17:41:51,957 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 17:41:51,957 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 17:41:51,957 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 17:41:51,958 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 17:41:51,958 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 17:41:51,958 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 17:41:51,958 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 17:41:51,959 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 17:41:51,959 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 17:41:51,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 17:41:51,960 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 17:41:51,960 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 17:41:51,961 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 17:41:51,961 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 17:41:51,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 17:41:51,961 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 17:41:51,962 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 17:41:51,962 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 17:41:51,963 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 17:41:51,963 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c50dd7e64abcc7a7eef6ea31e37156afb1e4322422284686cac6e6613b192c7 [2024-11-12 17:41:52,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 17:41:52,263 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 17:41:52,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 17:41:52,267 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 17:41:52,268 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 17:41:52,269 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound10.c [2024-11-12 17:41:53,692 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 17:41:53,867 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 17:41:53,868 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound10.c [2024-11-12 17:41:53,874 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea1f67405/1ac7a98f0d734997914fe739e03b5eca/FLAG05c9ed741 [2024-11-12 17:41:53,885 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea1f67405/1ac7a98f0d734997914fe739e03b5eca [2024-11-12 17:41:53,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 17:41:53,888 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 17:41:53,889 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 17:41:53,889 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 17:41:53,895 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 17:41:53,896 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:41:53" (1/1) ... [2024-11-12 17:41:53,897 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a52e273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:41:53, skipping insertion in model container [2024-11-12 17:41:53,897 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:41:53" (1/1) ... [2024-11-12 17:41:53,916 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 17:41:54,088 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 17:41:54,095 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 17:41:54,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 17:41:54,131 INFO L204 MainTranslator]: Completed translation [2024-11-12 17:41:54,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:41:54 WrapperNode [2024-11-12 17:41:54,132 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 17:41:54,133 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 17:41:54,133 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 17:41:54,133 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 17:41:54,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:41:54" (1/1) ... [2024-11-12 17:41:54,149 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:41:54" (1/1) ... [2024-11-12 17:41:54,175 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 135 [2024-11-12 17:41:54,175 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 17:41:54,176 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 17:41:54,176 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 17:41:54,176 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 17:41:54,186 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:41:54" (1/1) ... [2024-11-12 17:41:54,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:41:54" (1/1) ... [2024-11-12 17:41:54,188 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:41:54" (1/1) ... [2024-11-12 17:41:54,205 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]. [2024-11-12 17:41:54,205 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:41:54" (1/1) ... [2024-11-12 17:41:54,205 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:41:54" (1/1) ... [2024-11-12 17:41:54,209 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:41:54" (1/1) ... [2024-11-12 17:41:54,212 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:41:54" (1/1) ... [2024-11-12 17:41:54,213 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:41:54" (1/1) ... [2024-11-12 17:41:54,214 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:41:54" (1/1) ... [2024-11-12 17:41:54,220 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 17:41:54,221 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 17:41:54,221 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 17:41:54,221 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 17:41:54,222 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:41:54" (1/1) ... [2024-11-12 17:41:54,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 17:41:54,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:41:54,258 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) [2024-11-12 17:41:54,262 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 [2024-11-12 17:41:54,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 17:41:54,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 17:41:54,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 17:41:54,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 17:41:54,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 17:41:54,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 17:41:54,373 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 17:41:54,376 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 17:41:54,951 INFO L? ?]: Removed 92 outVars from TransFormulas that were not future-live. [2024-11-12 17:41:54,952 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 17:41:54,972 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 17:41:54,973 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 17:41:54,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:41:54 BoogieIcfgContainer [2024-11-12 17:41:54,973 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 17:41:54,975 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 17:41:54,976 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 17:41:54,980 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 17:41:54,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 05:41:53" (1/3) ... [2024-11-12 17:41:54,981 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a81d603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:41:54, skipping insertion in model container [2024-11-12 17:41:54,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:41:54" (2/3) ... [2024-11-12 17:41:54,981 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a81d603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:41:54, skipping insertion in model container [2024-11-12 17:41:54,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:41:54" (3/3) ... [2024-11-12 17:41:54,984 INFO L112 eAbstractionObserver]: Analyzing ICFG ps5-ll_unwindbound10.c [2024-11-12 17:41:55,003 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 17:41:55,003 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 86 error locations. [2024-11-12 17:41:55,078 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 17:41:55,085 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;@46bec0fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 17:41:55,086 INFO L334 AbstractCegarLoop]: Starting to check reachability of 86 error locations. [2024-11-12 17:41:55,090 INFO L276 IsEmpty]: Start isEmpty. Operand has 192 states, 101 states have (on average 1.900990099009901) internal successors, (192), 187 states have internal predecessors, (192), 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) [2024-11-12 17:41:55,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-12 17:41:55,094 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:41:55,095 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-12 17:41:55,095 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-12 17:41:55,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:41:55,101 INFO L85 PathProgramCache]: Analyzing trace with hash 889512265, now seen corresponding path program 1 times [2024-11-12 17:41:55,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:41:55,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972064556] [2024-11-12 17:41:55,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:41:55,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:41:55,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:41:55,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:41:55,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:41:55,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972064556] [2024-11-12 17:41:55,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972064556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:41:55,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:41:55,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:41:55,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703574445] [2024-11-12 17:41:55,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:41:55,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 17:41:55,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:41:55,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 17:41:55,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 17:41:55,290 INFO L87 Difference]: Start difference. First operand has 192 states, 101 states have (on average 1.900990099009901) internal successors, (192), 187 states have internal predecessors, (192), 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) [2024-11-12 17:41:55,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:41:55,331 INFO L93 Difference]: Finished difference Result 367 states and 394 transitions. [2024-11-12 17:41:55,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 17:41:55,333 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 [2024-11-12 17:41:55,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:41:55,342 INFO L225 Difference]: With dead ends: 367 [2024-11-12 17:41:55,342 INFO L226 Difference]: Without dead ends: 172 [2024-11-12 17:41:55,347 INFO L434 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 [2024-11-12 17:41:55,350 INFO L435 NwaCegarLoop]: 181 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, 181 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 [2024-11-12 17:41:55,352 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:41:55,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-12 17:41:55,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2024-11-12 17:41:55,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 96 states have (on average 1.7708333333333333) internal successors, (170), 168 states have internal predecessors, (170), 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) [2024-11-12 17:41:55,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 174 transitions. [2024-11-12 17:41:55,404 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 174 transitions. Word has length 6 [2024-11-12 17:41:55,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:41:55,405 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 174 transitions. [2024-11-12 17:41:55,406 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) [2024-11-12 17:41:55,406 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 174 transitions. [2024-11-12 17:41:55,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-12 17:41:55,407 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:41:55,407 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-12 17:41:55,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 17:41:55,408 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-12 17:41:55,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:41:55,409 INFO L85 PathProgramCache]: Analyzing trace with hash 889568358, now seen corresponding path program 1 times [2024-11-12 17:41:55,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:41:55,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265294770] [2024-11-12 17:41:55,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:41:55,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:41:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:41:55,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:41:55,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:41:55,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265294770] [2024-11-12 17:41:55,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265294770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:41:55,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:41:55,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:41:55,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396176670] [2024-11-12 17:41:55,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:41:55,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:41:55,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:41:55,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:41:55,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:41:55,520 INFO L87 Difference]: Start difference. First operand 172 states and 174 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) [2024-11-12 17:41:55,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:41:55,585 INFO L93 Difference]: Finished difference Result 172 states and 174 transitions. [2024-11-12 17:41:55,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:41:55,585 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 [2024-11-12 17:41:55,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:41:55,587 INFO L225 Difference]: With dead ends: 172 [2024-11-12 17:41:55,587 INFO L226 Difference]: Without dead ends: 171 [2024-11-12 17:41:55,588 INFO L434 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 [2024-11-12 17:41:55,589 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 170 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 333 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 [2024-11-12 17:41:55,589 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 333 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:41:55,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-12 17:41:55,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2024-11-12 17:41:55,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 96 states have (on average 1.7604166666666667) internal successors, (169), 167 states have internal predecessors, (169), 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) [2024-11-12 17:41:55,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 173 transitions. [2024-11-12 17:41:55,605 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 173 transitions. Word has length 6 [2024-11-12 17:41:55,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:41:55,606 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 173 transitions. [2024-11-12 17:41:55,606 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) [2024-11-12 17:41:55,606 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 173 transitions. [2024-11-12 17:41:55,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-12 17:41:55,607 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:41:55,607 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:41:55,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 17:41:55,607 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-12 17:41:55,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:41:55,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815370, now seen corresponding path program 1 times [2024-11-12 17:41:55,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:41:55,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446074739] [2024-11-12 17:41:55,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:41:55,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:41:55,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:41:55,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:41:55,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:41:55,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446074739] [2024-11-12 17:41:55,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446074739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:41:55,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:41:55,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:41:55,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090089583] [2024-11-12 17:41:55,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:41:55,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:41:55,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:41:55,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:41:55,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:41:55,679 INFO L87 Difference]: Start difference. First operand 171 states and 173 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) [2024-11-12 17:41:55,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:41:55,720 INFO L93 Difference]: Finished difference Result 251 states and 253 transitions. [2024-11-12 17:41:55,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:41:55,721 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 [2024-11-12 17:41:55,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:41:55,723 INFO L225 Difference]: With dead ends: 251 [2024-11-12 17:41:55,723 INFO L226 Difference]: Without dead ends: 175 [2024-11-12 17:41:55,724 INFO L434 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 [2024-11-12 17:41:55,727 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 3 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 501 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 [2024-11-12 17:41:55,728 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 501 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:41:55,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-12 17:41:55,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2024-11-12 17:41:55,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 100 states have (on average 1.73) internal successors, (173), 171 states have internal predecessors, (173), 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) [2024-11-12 17:41:55,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 177 transitions. [2024-11-12 17:41:55,739 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 177 transitions. Word has length 7 [2024-11-12 17:41:55,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:41:55,740 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 177 transitions. [2024-11-12 17:41:55,740 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) [2024-11-12 17:41:55,740 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 177 transitions. [2024-11-12 17:41:55,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-12 17:41:55,741 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:41:55,741 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:41:55,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 17:41:55,742 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-12 17:41:55,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:41:55,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1182784684, now seen corresponding path program 1 times [2024-11-12 17:41:55,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:41:55,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288227561] [2024-11-12 17:41:55,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:41:55,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:41:55,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:41:55,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:41:55,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:41:55,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288227561] [2024-11-12 17:41:55,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288227561] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:41:55,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:41:55,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:41:55,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372010474] [2024-11-12 17:41:55,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:41:55,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:41:55,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:41:55,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:41:55,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:41:55,817 INFO L87 Difference]: Start difference. First operand 175 states and 177 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:41:56,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:41:56,183 INFO L93 Difference]: Finished difference Result 311 states and 323 transitions. [2024-11-12 17:41:56,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:41:56,184 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-12 17:41:56,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:41:56,185 INFO L225 Difference]: With dead ends: 311 [2024-11-12 17:41:56,185 INFO L226 Difference]: Without dead ends: 255 [2024-11-12 17:41:56,186 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:41:56,187 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 82 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:41:56,191 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 129 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 17:41:56,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-12 17:41:56,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 249. [2024-11-12 17:41:56,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 173 states have (on average 1.5028901734104045) internal successors, (260), 244 states have internal predecessors, (260), 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) [2024-11-12 17:41:56,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 266 transitions. [2024-11-12 17:41:56,215 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 266 transitions. Word has length 9 [2024-11-12 17:41:56,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:41:56,215 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 266 transitions. [2024-11-12 17:41:56,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:41:56,216 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 266 transitions. [2024-11-12 17:41:56,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-12 17:41:56,216 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:41:56,217 INFO L218 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] [2024-11-12 17:41:56,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 17:41:56,217 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-12 17:41:56,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:41:56,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1018296696, now seen corresponding path program 1 times [2024-11-12 17:41:56,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:41:56,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578221239] [2024-11-12 17:41:56,218 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:41:56,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:41:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:41:56,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:41:56,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:41:56,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578221239] [2024-11-12 17:41:56,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578221239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:41:56,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:41:56,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:41:56,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893387655] [2024-11-12 17:41:56,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:41:56,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:41:56,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:41:56,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:41:56,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:41:56,339 INFO L87 Difference]: Start difference. First operand 249 states and 266 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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) [2024-11-12 17:41:56,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:41:56,414 INFO L93 Difference]: Finished difference Result 268 states and 280 transitions. [2024-11-12 17:41:56,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:41:56,414 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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 37 [2024-11-12 17:41:56,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:41:56,416 INFO L225 Difference]: With dead ends: 268 [2024-11-12 17:41:56,417 INFO L226 Difference]: Without dead ends: 263 [2024-11-12 17:41:56,417 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:41:56,418 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 58 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:41:56,419 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 294 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:41:56,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2024-11-12 17:41:56,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 256. [2024-11-12 17:41:56,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 180 states have (on average 1.4833333333333334) internal successors, (267), 251 states have internal predecessors, (267), 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) [2024-11-12 17:41:56,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 273 transitions. [2024-11-12 17:41:56,431 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 273 transitions. Word has length 37 [2024-11-12 17:41:56,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:41:56,431 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 273 transitions. [2024-11-12 17:41:56,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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) [2024-11-12 17:41:56,432 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 273 transitions. [2024-11-12 17:41:56,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-12 17:41:56,432 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:41:56,433 INFO L218 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, 1, 1] [2024-11-12 17:41:56,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 17:41:56,433 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-12 17:41:56,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:41:56,434 INFO L85 PathProgramCache]: Analyzing trace with hash 669422250, now seen corresponding path program 1 times [2024-11-12 17:41:56,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:41:56,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380145674] [2024-11-12 17:41:56,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:41:56,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:41:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:41:56,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:41:56,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:41:56,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380145674] [2024-11-12 17:41:56,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380145674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:41:56,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:41:56,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:41:56,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773873816] [2024-11-12 17:41:56,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:41:56,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:41:56,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:41:56,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:41:56,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:41:56,533 INFO L87 Difference]: Start difference. First operand 256 states and 273 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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) [2024-11-12 17:41:59,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-12 17:41:59,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:41:59,440 INFO L93 Difference]: Finished difference Result 267 states and 275 transitions. [2024-11-12 17:41:59,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:41:59,440 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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 39 [2024-11-12 17:41:59,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:41:59,442 INFO L225 Difference]: With dead ends: 267 [2024-11-12 17:41:59,442 INFO L226 Difference]: Without dead ends: 262 [2024-11-12 17:41:59,442 INFO L434 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 [2024-11-12 17:41:59,443 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 84 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-12 17:41:59,443 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 252 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-12 17:41:59,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2024-11-12 17:41:59,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 256. [2024-11-12 17:41:59,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 180 states have (on average 1.4555555555555555) internal successors, (262), 251 states have internal predecessors, (262), 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) [2024-11-12 17:41:59,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 268 transitions. [2024-11-12 17:41:59,454 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 268 transitions. Word has length 39 [2024-11-12 17:41:59,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:41:59,454 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 268 transitions. [2024-11-12 17:41:59,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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) [2024-11-12 17:41:59,455 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 268 transitions. [2024-11-12 17:41:59,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-12 17:41:59,455 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:41:59,456 INFO L218 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, 1, 1, 1] [2024-11-12 17:41:59,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 17:41:59,456 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-12 17:41:59,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:41:59,456 INFO L85 PathProgramCache]: Analyzing trace with hash -722746613, now seen corresponding path program 1 times [2024-11-12 17:41:59,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:41:59,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344698780] [2024-11-12 17:41:59,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:41:59,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:41:59,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:41:59,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:41:59,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:41:59,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344698780] [2024-11-12 17:41:59,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344698780] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:41:59,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:41:59,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:41:59,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869057034] [2024-11-12 17:41:59,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:41:59,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:41:59,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:41:59,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:41:59,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:41:59,567 INFO L87 Difference]: Start difference. First operand 256 states and 268 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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) [2024-11-12 17:42:00,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:42:00,049 INFO L93 Difference]: Finished difference Result 266 states and 270 transitions. [2024-11-12 17:42:00,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:42:00,049 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 40 [2024-11-12 17:42:00,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:42:00,050 INFO L225 Difference]: With dead ends: 266 [2024-11-12 17:42:00,050 INFO L226 Difference]: Without dead ends: 228 [2024-11-12 17:42:00,052 INFO L434 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 [2024-11-12 17:42:00,052 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 85 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 17:42:00,053 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 265 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 17:42:00,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-12 17:42:00,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 222. [2024-11-12 17:42:00,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 146 states have (on average 1.5342465753424657) internal successors, (224), 217 states have internal predecessors, (224), 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) [2024-11-12 17:42:00,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 230 transitions. [2024-11-12 17:42:00,064 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 230 transitions. Word has length 40 [2024-11-12 17:42:00,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:42:00,065 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 230 transitions. [2024-11-12 17:42:00,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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) [2024-11-12 17:42:00,066 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 230 transitions. [2024-11-12 17:42:00,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-12 17:42:00,068 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:42:00,068 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:42:00,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 17:42:00,068 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-12 17:42:00,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:42:00,069 INFO L85 PathProgramCache]: Analyzing trace with hash 257982969, now seen corresponding path program 1 times [2024-11-12 17:42:00,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:42:00,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658184936] [2024-11-12 17:42:00,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:42:00,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:42:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:42:00,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-12 17:42:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:42:00,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:42:00,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:42:00,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658184936] [2024-11-12 17:42:00,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658184936] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:42:00,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:42:00,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:42:00,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402917604] [2024-11-12 17:42:00,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:42:00,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:42:00,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:42:00,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:42:00,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:42:00,163 INFO L87 Difference]: Start difference. First operand 222 states and 230 transitions. Second operand has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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) [2024-11-12 17:42:00,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:42:00,181 INFO L93 Difference]: Finished difference Result 224 states and 230 transitions. [2024-11-12 17:42:00,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:42:00,182 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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 49 [2024-11-12 17:42:00,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:42:00,183 INFO L225 Difference]: With dead ends: 224 [2024-11-12 17:42:00,183 INFO L226 Difference]: Without dead ends: 222 [2024-11-12 17:42:00,184 INFO L434 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 [2024-11-12 17:42:00,184 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 1 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 335 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 [2024-11-12 17:42:00,185 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 335 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:42:00,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-11-12 17:42:00,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2024-11-12 17:42:00,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 146 states have (on average 1.5205479452054795) internal successors, (222), 217 states have internal predecessors, (222), 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) [2024-11-12 17:42:00,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 228 transitions. [2024-11-12 17:42:00,191 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 228 transitions. Word has length 49 [2024-11-12 17:42:00,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:42:00,193 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 228 transitions. [2024-11-12 17:42:00,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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) [2024-11-12 17:42:00,193 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 228 transitions. [2024-11-12 17:42:00,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-12 17:42:00,194 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:42:00,194 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:42:00,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 17:42:00,194 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-12 17:42:00,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:42:00,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1579375086, now seen corresponding path program 1 times [2024-11-12 17:42:00,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:42:00,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157290656] [2024-11-12 17:42:00,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:42:00,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:42:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:42:00,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [327389226] [2024-11-12 17:42:00,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:42:00,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:42:00,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:42:00,226 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) [2024-11-12 17:42:00,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 17:42:00,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:42:00,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:42:00,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:42:00,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:42:00,403 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:42:00,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:42:00,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157290656] [2024-11-12 17:42:00,403 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:42:00,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327389226] [2024-11-12 17:42:00,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [327389226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:42:00,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:42:00,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:42:00,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967506067] [2024-11-12 17:42:00,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:42:00,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:42:00,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:42:00,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:42:00,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:42:00,408 INFO L87 Difference]: Start difference. First operand 222 states and 228 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 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) [2024-11-12 17:42:00,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:42:00,786 INFO L93 Difference]: Finished difference Result 365 states and 382 transitions. [2024-11-12 17:42:00,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:42:00,786 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 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 54 [2024-11-12 17:42:00,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:42:00,788 INFO L225 Difference]: With dead ends: 365 [2024-11-12 17:42:00,788 INFO L226 Difference]: Without dead ends: 311 [2024-11-12 17:42:00,788 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:42:00,789 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 95 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:42:00,789 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 153 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 17:42:00,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2024-11-12 17:42:00,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 304. [2024-11-12 17:42:00,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 226 states have (on average 1.407079646017699) internal successors, (318), 297 states have internal predecessors, (318), 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) [2024-11-12 17:42:00,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 328 transitions. [2024-11-12 17:42:00,798 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 328 transitions. Word has length 54 [2024-11-12 17:42:00,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:42:00,798 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 328 transitions. [2024-11-12 17:42:00,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 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) [2024-11-12 17:42:00,799 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 328 transitions. [2024-11-12 17:42:00,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-12 17:42:00,799 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:42:00,800 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:42:00,817 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 17:42:01,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:42:01,001 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-12 17:42:01,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:42:01,001 INFO L85 PathProgramCache]: Analyzing trace with hash 692470868, now seen corresponding path program 1 times [2024-11-12 17:42:01,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:42:01,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269655489] [2024-11-12 17:42:01,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:42:01,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:42:01,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:42:01,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-12 17:42:01,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:42:01,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:42:01,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:42:01,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269655489] [2024-11-12 17:42:01,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269655489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:42:01,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:42:01,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:42:01,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441297650] [2024-11-12 17:42:01,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:42:01,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:42:01,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:42:01,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:42:01,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:42:01,082 INFO L87 Difference]: Start difference. First operand 304 states and 328 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 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) [2024-11-12 17:42:01,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:42:01,182 INFO L93 Difference]: Finished difference Result 305 states and 328 transitions. [2024-11-12 17:42:01,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:42:01,183 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 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 60 [2024-11-12 17:42:01,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:42:01,184 INFO L225 Difference]: With dead ends: 305 [2024-11-12 17:42:01,184 INFO L226 Difference]: Without dead ends: 304 [2024-11-12 17:42:01,184 INFO L434 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 [2024-11-12 17:42:01,185 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 42 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:42:01,185 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 278 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:42:01,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-11-12 17:42:01,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2024-11-12 17:42:01,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 226 states have (on average 1.4026548672566372) internal successors, (317), 297 states have internal predecessors, (317), 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) [2024-11-12 17:42:01,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 327 transitions. [2024-11-12 17:42:01,193 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 327 transitions. Word has length 60 [2024-11-12 17:42:01,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:42:01,194 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 327 transitions. [2024-11-12 17:42:01,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 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) [2024-11-12 17:42:01,194 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 327 transitions. [2024-11-12 17:42:01,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-12 17:42:01,195 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:42:01,195 INFO L218 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, 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] [2024-11-12 17:42:01,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 17:42:01,196 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-12 17:42:01,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:42:01,196 INFO L85 PathProgramCache]: Analyzing trace with hash 671749658, now seen corresponding path program 1 times [2024-11-12 17:42:01,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:42:01,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035692318] [2024-11-12 17:42:01,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:42:01,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:42:01,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:42:01,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-12 17:42:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:42:01,326 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:42:01,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:42:01,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035692318] [2024-11-12 17:42:01,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035692318] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:42:01,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134907716] [2024-11-12 17:42:01,327 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:42:01,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:42:01,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:42:01,329 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) [2024-11-12 17:42:01,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 17:42:01,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:42:01,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:42:01,383 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:42:01,505 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:42:01,505 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:42:01,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [134907716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:42:01,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:42:01,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-12 17:42:01,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937164242] [2024-11-12 17:42:01,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:42:01,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:42:01,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:42:01,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:42:01,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:42:01,507 INFO L87 Difference]: Start difference. First operand 304 states and 327 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 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) [2024-11-12 17:42:01,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:42:01,556 INFO L93 Difference]: Finished difference Result 416 states and 446 transitions. [2024-11-12 17:42:01,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:42:01,557 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 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 63 [2024-11-12 17:42:01,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:42:01,559 INFO L225 Difference]: With dead ends: 416 [2024-11-12 17:42:01,559 INFO L226 Difference]: Without dead ends: 415 [2024-11-12 17:42:01,559 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-12 17:42:01,560 INFO L435 NwaCegarLoop]: 238 mSDtfsCounter, 118 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:42:01,560 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 781 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:42:01,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-11-12 17:42:01,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 377. [2024-11-12 17:42:01,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 297 states have (on average 1.4175084175084176) internal successors, (421), 369 states have internal predecessors, (421), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-12 17:42:01,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 435 transitions. [2024-11-12 17:42:01,571 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 435 transitions. Word has length 63 [2024-11-12 17:42:01,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:42:01,571 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 435 transitions. [2024-11-12 17:42:01,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 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) [2024-11-12 17:42:01,575 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 435 transitions. [2024-11-12 17:42:01,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-12 17:42:01,576 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:42:01,576 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:42:01,595 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-12 17:42:01,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-12 17:42:01,777 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-12 17:42:01,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:42:01,777 INFO L85 PathProgramCache]: Analyzing trace with hash 608761983, now seen corresponding path program 1 times [2024-11-12 17:42:01,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:42:01,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805014194] [2024-11-12 17:42:01,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:42:01,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:42:01,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:42:01,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-12 17:42:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:42:01,906 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:42:01,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:42:01,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805014194] [2024-11-12 17:42:01,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805014194] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:42:01,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321177292] [2024-11-12 17:42:01,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:42:01,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:42:01,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:42:01,909 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) [2024-11-12 17:42:01,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 17:42:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:42:01,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:42:01,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:42:02,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:42:02,050 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:42:02,177 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:42:02,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [321177292] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:42:02,178 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:42:02,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 10 [2024-11-12 17:42:02,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406592193] [2024-11-12 17:42:02,178 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:42:02,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 17:42:02,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:42:02,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 17:42:02,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:42:02,179 INFO L87 Difference]: Start difference. First operand 377 states and 435 transitions. Second operand has 10 states, 10 states have (on average 15.3) internal successors, (153), 10 states have internal predecessors, (153), 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) [2024-11-12 17:42:02,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:42:02,298 INFO L93 Difference]: Finished difference Result 662 states and 705 transitions. [2024-11-12 17:42:02,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-12 17:42:02,299 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 15.3) internal successors, (153), 10 states have internal predecessors, (153), 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 93 [2024-11-12 17:42:02,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:42:02,302 INFO L225 Difference]: With dead ends: 662 [2024-11-12 17:42:02,302 INFO L226 Difference]: Without dead ends: 550 [2024-11-12 17:42:02,303 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2024-11-12 17:42:02,303 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 242 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 896 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:42:02,303 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 896 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:42:02,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2024-11-12 17:42:02,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 453. [2024-11-12 17:42:02,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 369 states have (on average 1.5203252032520325) internal successors, (561), 441 states have internal predecessors, (561), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-12 17:42:02,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 577 transitions. [2024-11-12 17:42:02,319 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 577 transitions. Word has length 93 [2024-11-12 17:42:02,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:42:02,320 INFO L471 AbstractCegarLoop]: Abstraction has 453 states and 577 transitions. [2024-11-12 17:42:02,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.3) internal successors, (153), 10 states have internal predecessors, (153), 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) [2024-11-12 17:42:02,320 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 577 transitions. [2024-11-12 17:42:02,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-12 17:42:02,324 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:42:02,324 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:42:02,340 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-12 17:42:02,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:42:02,529 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-12 17:42:02,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:42:02,530 INFO L85 PathProgramCache]: Analyzing trace with hash -695193576, now seen corresponding path program 1 times [2024-11-12 17:42:02,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:42:02,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353342270] [2024-11-12 17:42:02,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:42:02,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:42:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:42:02,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [934035452] [2024-11-12 17:42:02,564 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:42:02,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:42:02,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:42:02,566 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) [2024-11-12 17:42:02,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-12 17:42:02,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:42:02,625 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 17:42:02,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:42:02,771 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-12 17:42:02,772 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:42:02,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:42:02,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353342270] [2024-11-12 17:42:02,772 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:42:02,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [934035452] [2024-11-12 17:42:02,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [934035452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:42:02,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:42:02,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:42:02,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293661123] [2024-11-12 17:42:02,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:42:02,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:42:02,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:42:02,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:42:02,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:42:02,774 INFO L87 Difference]: Start difference. First operand 453 states and 577 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 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) [2024-11-12 17:42:02,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:42:02,825 INFO L93 Difference]: Finished difference Result 453 states and 577 transitions. [2024-11-12 17:42:02,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:42:02,827 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 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 93 [2024-11-12 17:42:02,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:42:02,830 INFO L225 Difference]: With dead ends: 453 [2024-11-12 17:42:02,832 INFO L226 Difference]: Without dead ends: 450 [2024-11-12 17:42:02,832 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 90 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:42:02,833 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 96 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:42:02,833 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 151 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:42:02,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2024-11-12 17:42:02,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2024-11-12 17:42:02,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 369 states have (on average 1.4932249322493225) internal successors, (551), 438 states have internal predecessors, (551), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-12 17:42:02,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 567 transitions. [2024-11-12 17:42:02,849 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 567 transitions. Word has length 93 [2024-11-12 17:42:02,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:42:02,849 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 567 transitions. [2024-11-12 17:42:02,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 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) [2024-11-12 17:42:02,850 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 567 transitions. [2024-11-12 17:42:02,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-12 17:42:02,851 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:42:02,851 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:42:02,867 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-12 17:42:03,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:42:03,055 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-12 17:42:03,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:42:03,055 INFO L85 PathProgramCache]: Analyzing trace with hash -76164263, now seen corresponding path program 1 times [2024-11-12 17:42:03,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:42:03,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129358414] [2024-11-12 17:42:03,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:42:03,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:42:03,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:42:03,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1158428399] [2024-11-12 17:42:03,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:42:03,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:42:03,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:42:03,075 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) [2024-11-12 17:42:03,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-12 17:42:03,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:42:03,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 17:42:03,130 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:42:03,348 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:42:03,348 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:42:03,546 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:42:03,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:42:03,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129358414] [2024-11-12 17:42:03,547 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:42:03,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158428399] [2024-11-12 17:42:03,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1158428399] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:42:03,547 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:42:03,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-12 17:42:03,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690512764] [2024-11-12 17:42:03,548 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:42:03,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 17:42:03,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:42:03,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 17:42:03,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:42:03,549 INFO L87 Difference]: Start difference. First operand 450 states and 567 transitions. Second operand has 8 states, 7 states have (on average 25.428571428571427) internal successors, (178), 8 states have internal predecessors, (178), 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) [2024-11-12 17:42:04,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:42:04,292 INFO L93 Difference]: Finished difference Result 507 states and 567 transitions. [2024-11-12 17:42:04,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 17:42:04,292 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 25.428571428571427) internal successors, (178), 8 states have internal predecessors, (178), 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 94 [2024-11-12 17:42:04,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:42:04,294 INFO L225 Difference]: With dead ends: 507 [2024-11-12 17:42:04,294 INFO L226 Difference]: Without dead ends: 500 [2024-11-12 17:42:04,295 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:42:04,295 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 287 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 17:42:04,296 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 368 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 697 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 17:42:04,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2024-11-12 17:42:04,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 450. [2024-11-12 17:42:04,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 369 states have (on average 1.4661246612466126) internal successors, (541), 438 states have internal predecessors, (541), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-12 17:42:04,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 557 transitions. [2024-11-12 17:42:04,308 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 557 transitions. Word has length 94 [2024-11-12 17:42:04,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:42:04,308 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 557 transitions. [2024-11-12 17:42:04,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 25.428571428571427) internal successors, (178), 8 states have internal predecessors, (178), 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) [2024-11-12 17:42:04,308 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 557 transitions. [2024-11-12 17:42:04,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-12 17:42:04,309 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:42:04,309 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:42:04,326 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-12 17:42:04,513 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,SelfDestructingSolverStorable13 [2024-11-12 17:42:04,514 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-12 17:42:04,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:42:04,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1933875258, now seen corresponding path program 1 times [2024-11-12 17:42:04,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:42:04,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957592338] [2024-11-12 17:42:04,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:42:04,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:42:04,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:42:04,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [587785761] [2024-11-12 17:42:04,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:42:04,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:42:04,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:42:04,559 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) [2024-11-12 17:42:04,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-12 17:42:04,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:42:04,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 17:42:04,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:42:04,887 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:42:04,887 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:42:11,127 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:42:11,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:42:11,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957592338] [2024-11-12 17:42:11,128 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:42:11,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [587785761] [2024-11-12 17:42:11,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [587785761] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-12 17:42:11,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:42:11,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-12 17:42:11,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712377404] [2024-11-12 17:42:11,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:42:11,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:42:11,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:42:11,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:42:11,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=30, Unknown=1, NotChecked=0, Total=56 [2024-11-12 17:42:11,131 INFO L87 Difference]: Start difference. First operand 450 states and 557 transitions. Second operand has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 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) [2024-11-12 17:42:12,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:42:12,368 INFO L93 Difference]: Finished difference Result 450 states and 557 transitions. [2024-11-12 17:42:12,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:42:12,368 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 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 95 [2024-11-12 17:42:12,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:42:12,370 INFO L225 Difference]: With dead ends: 450 [2024-11-12 17:42:12,370 INFO L226 Difference]: Without dead ends: 448 [2024-11-12 17:42:12,371 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=25, Invalid=30, Unknown=1, NotChecked=0, Total=56 [2024-11-12 17:42:12,371 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 132 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:42:12,372 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 47 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-12 17:42:12,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-11-12 17:42:12,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 448. [2024-11-12 17:42:12,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 369 states have (on average 1.4471544715447155) internal successors, (534), 436 states have internal predecessors, (534), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-12 17:42:12,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 550 transitions. [2024-11-12 17:42:12,387 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 550 transitions. Word has length 95 [2024-11-12 17:42:12,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:42:12,387 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 550 transitions. [2024-11-12 17:42:12,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 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) [2024-11-12 17:42:12,387 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 550 transitions. [2024-11-12 17:42:12,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-12 17:42:12,388 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:42:12,388 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:42:12,405 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-12 17:42:12,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-12 17:42:12,593 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-12 17:42:12,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:42:12,593 INFO L85 PathProgramCache]: Analyzing trace with hash -179409029, now seen corresponding path program 1 times [2024-11-12 17:42:12,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:42:12,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676988327] [2024-11-12 17:42:12,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:42:12,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:42:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:42:12,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1042122377] [2024-11-12 17:42:12,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:42:12,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:42:12,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:42:12,630 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) [2024-11-12 17:42:12,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-12 17:42:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:42:12,684 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:42:12,685 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:42:12,835 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:42:12,835 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:42:12,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:42:12,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676988327] [2024-11-12 17:42:12,835 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:42:12,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1042122377] [2024-11-12 17:42:12,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1042122377] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:42:12,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:42:12,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 17:42:12,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558175293] [2024-11-12 17:42:12,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:42:12,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:42:12,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:42:12,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:42:12,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:42:12,838 INFO L87 Difference]: Start difference. First operand 448 states and 550 transitions. Second operand has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 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) [2024-11-12 17:42:13,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:42:13,422 INFO L93 Difference]: Finished difference Result 451 states and 550 transitions. [2024-11-12 17:42:13,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:42:13,424 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 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 96 [2024-11-12 17:42:13,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:42:13,426 INFO L225 Difference]: With dead ends: 451 [2024-11-12 17:42:13,426 INFO L226 Difference]: Without dead ends: 431 [2024-11-12 17:42:13,426 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:42:13,427 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 135 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 17:42:13,427 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 58 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 17:42:13,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2024-11-12 17:42:13,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 431. [2024-11-12 17:42:13,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 369 states have (on average 1.3062330623306233) internal successors, (482), 419 states have internal predecessors, (482), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-12 17:42:13,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 498 transitions. [2024-11-12 17:42:13,442 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 498 transitions. Word has length 96 [2024-11-12 17:42:13,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:42:13,442 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 498 transitions. [2024-11-12 17:42:13,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 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) [2024-11-12 17:42:13,443 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 498 transitions. [2024-11-12 17:42:13,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-12 17:42:13,443 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:42:13,443 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:42:13,461 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-12 17:42:13,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:42:13,645 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-12 17:42:13,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:42:13,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1266712484, now seen corresponding path program 1 times [2024-11-12 17:42:13,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:42:13,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754997976] [2024-11-12 17:42:13,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:42:13,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:42:13,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:42:13,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [966078747] [2024-11-12 17:42:13,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:42:13,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:42:13,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:42:13,672 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) [2024-11-12 17:42:13,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-12 17:42:13,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:42:13,725 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 17:42:13,727 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:42:13,998 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:42:13,998 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:42:14,271 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-12 17:42:14,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:42:14,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754997976] [2024-11-12 17:42:14,271 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:42:14,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966078747] [2024-11-12 17:42:14,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [966078747] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-12 17:42:14,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:42:14,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-12 17:42:14,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896608198] [2024-11-12 17:42:14,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:42:14,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:42:14,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:42:14,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:42:14,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:42:14,274 INFO L87 Difference]: Start difference. First operand 431 states and 498 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 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) [2024-11-12 17:42:15,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:42:15,620 INFO L93 Difference]: Finished difference Result 431 states and 498 transitions. [2024-11-12 17:42:15,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:42:15,620 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 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 97 [2024-11-12 17:42:15,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:42:15,622 INFO L225 Difference]: With dead ends: 431 [2024-11-12 17:42:15,622 INFO L226 Difference]: Without dead ends: 429 [2024-11-12 17:42:15,623 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 186 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:42:15,623 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 83 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:42:15,623 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 40 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-12 17:42:15,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-11-12 17:42:15,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 429. [2024-11-12 17:42:15,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 369 states have (on average 1.2872628726287263) internal successors, (475), 417 states have internal predecessors, (475), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-12 17:42:15,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 491 transitions. [2024-11-12 17:42:15,642 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 491 transitions. Word has length 97 [2024-11-12 17:42:15,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:42:15,643 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 491 transitions. [2024-11-12 17:42:15,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 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) [2024-11-12 17:42:15,643 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 491 transitions. [2024-11-12 17:42:15,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-12 17:42:15,644 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:42:15,644 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:42:15,661 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-12 17:42:15,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-12 17:42:15,848 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-12 17:42:15,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:42:15,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1969279881, now seen corresponding path program 1 times [2024-11-12 17:42:15,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:42:15,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795696417] [2024-11-12 17:42:15,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:42:15,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:42:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:42:15,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-12 17:42:15,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:42:15,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 17:42:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:42:15,976 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:42:15,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:42:15,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795696417] [2024-11-12 17:42:15,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795696417] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:42:15,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176784325] [2024-11-12 17:42:15,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:42:15,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:42:15,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:42:15,979 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) [2024-11-12 17:42:15,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-12 17:42:16,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:42:16,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 17:42:16,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:42:16,144 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:42:16,144 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:42:16,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176784325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:42:16,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:42:16,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-12 17:42:16,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63265194] [2024-11-12 17:42:16,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:42:16,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:42:16,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:42:16,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:42:16,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:42:16,146 INFO L87 Difference]: Start difference. First operand 429 states and 491 transitions. Second operand has 4 states, 3 states have (on average 32.666666666666664) internal successors, (98), 4 states have internal predecessors, (98), 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) [2024-11-12 17:42:16,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:42:16,179 INFO L93 Difference]: Finished difference Result 450 states and 497 transitions. [2024-11-12 17:42:16,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:42:16,180 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 32.666666666666664) internal successors, (98), 4 states have internal predecessors, (98), 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 105 [2024-11-12 17:42:16,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:42:16,182 INFO L225 Difference]: With dead ends: 450 [2024-11-12 17:42:16,182 INFO L226 Difference]: Without dead ends: 449 [2024-11-12 17:42:16,182 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:42:16,182 INFO L435 NwaCegarLoop]: 231 mSDtfsCounter, 167 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:42:16,183 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 333 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:42:16,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2024-11-12 17:42:16,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 428. [2024-11-12 17:42:16,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 369 states have (on average 1.2791327913279134) internal successors, (472), 416 states have internal predecessors, (472), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-12 17:42:16,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 488 transitions. [2024-11-12 17:42:16,204 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 488 transitions. Word has length 105 [2024-11-12 17:42:16,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:42:16,205 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 488 transitions. [2024-11-12 17:42:16,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 32.666666666666664) internal successors, (98), 4 states have internal predecessors, (98), 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) [2024-11-12 17:42:16,205 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 488 transitions. [2024-11-12 17:42:16,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-12 17:42:16,206 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:42:16,206 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:42:16,224 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-12 17:42:16,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-12 17:42:16,407 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-12 17:42:16,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:42:16,407 INFO L85 PathProgramCache]: Analyzing trace with hash 918134298, now seen corresponding path program 1 times [2024-11-12 17:42:16,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:42:16,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858284463] [2024-11-12 17:42:16,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:42:16,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:42:16,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:42:16,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-12 17:42:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:42:16,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 17:42:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:42:16,489 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:42:16,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:42:16,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858284463] [2024-11-12 17:42:16,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858284463] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:42:16,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1836446574] [2024-11-12 17:42:16,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:42:16,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:42:16,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:42:16,492 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) [2024-11-12 17:42:16,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-12 17:42:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:42:16,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 17:42:16,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:42:16,661 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:42:16,661 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:42:16,785 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:42:16,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1836446574] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:42:16,786 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:42:16,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-12 17:42:16,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823637113] [2024-11-12 17:42:16,786 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:42:16,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 17:42:16,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:42:16,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 17:42:16,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:42:16,790 INFO L87 Difference]: Start difference. First operand 428 states and 488 transitions. Second operand has 7 states, 6 states have (on average 39.0) internal successors, (234), 7 states have internal predecessors, (234), 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) [2024-11-12 17:42:16,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:42:16,836 INFO L93 Difference]: Finished difference Result 508 states and 547 transitions. [2024-11-12 17:42:16,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 17:42:16,836 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 39.0) internal successors, (234), 7 states have internal predecessors, (234), 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) Word has length 106 [2024-11-12 17:42:16,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:42:16,838 INFO L225 Difference]: With dead ends: 508 [2024-11-12 17:42:16,839 INFO L226 Difference]: Without dead ends: 507 [2024-11-12 17:42:16,840 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:42:16,840 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 51 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:42:16,840 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 609 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:42:16,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2024-11-12 17:42:16,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 466. [2024-11-12 17:42:16,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 406 states have (on average 1.2955665024630543) internal successors, (526), 453 states have internal predecessors, (526), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-12 17:42:16,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 544 transitions. [2024-11-12 17:42:16,858 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 544 transitions. Word has length 106 [2024-11-12 17:42:16,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:42:16,859 INFO L471 AbstractCegarLoop]: Abstraction has 466 states and 544 transitions. [2024-11-12 17:42:16,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 39.0) internal successors, (234), 7 states have internal predecessors, (234), 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) [2024-11-12 17:42:16,859 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 544 transitions. [2024-11-12 17:42:16,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-12 17:42:16,860 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:42:16,860 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-12 17:42:16,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-12 17:42:17,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:42:17,065 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-12 17:42:17,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:42:17,065 INFO L85 PathProgramCache]: Analyzing trace with hash -760729652, now seen corresponding path program 1 times [2024-11-12 17:42:17,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:42:17,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407801727] [2024-11-12 17:42:17,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:42:17,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:42:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:42:17,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-12 17:42:17,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:42:17,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 17:42:17,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:42:17,184 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-12 17:42:17,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:42:17,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407801727] [2024-11-12 17:42:17,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407801727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:42:17,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:42:17,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:42:17,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669174430] [2024-11-12 17:42:17,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:42:17,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:42:17,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:42:17,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:42:17,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:42:17,186 INFO L87 Difference]: Start difference. First operand 466 states and 544 transitions. Second operand has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 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) [2024-11-12 17:42:17,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:42:17,403 INFO L93 Difference]: Finished difference Result 466 states and 544 transitions. [2024-11-12 17:42:17,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:42:17,403 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 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 121 [2024-11-12 17:42:17,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:42:17,405 INFO L225 Difference]: With dead ends: 466 [2024-11-12 17:42:17,405 INFO L226 Difference]: Without dead ends: 459 [2024-11-12 17:42:17,406 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:42:17,406 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 80 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:42:17,407 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 41 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:42:17,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2024-11-12 17:42:17,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 459. [2024-11-12 17:42:17,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 406 states have (on average 1.2463054187192117) internal successors, (506), 446 states have internal predecessors, (506), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-12 17:42:17,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 524 transitions. [2024-11-12 17:42:17,425 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 524 transitions. Word has length 121 [2024-11-12 17:42:17,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:42:17,426 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 524 transitions. [2024-11-12 17:42:17,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 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) [2024-11-12 17:42:17,427 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 524 transitions. [2024-11-12 17:42:17,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-12 17:42:17,428 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:42:17,428 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-12 17:42:17,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-12 17:42:17,428 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-12 17:42:17,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:42:17,429 INFO L85 PathProgramCache]: Analyzing trace with hash -2107782675, now seen corresponding path program 1 times [2024-11-12 17:42:17,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:42:17,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439427091] [2024-11-12 17:42:17,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:42:17,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:42:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:42:17,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-12 17:42:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:42:17,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 17:42:17,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:42:17,500 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-12 17:42:17,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:42:17,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439427091] [2024-11-12 17:42:17,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439427091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:42:17,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:42:17,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:42:17,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029297153] [2024-11-12 17:42:17,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:42:17,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:42:17,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:42:17,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:42:17,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:42:17,502 INFO L87 Difference]: Start difference. First operand 459 states and 524 transitions. Second operand has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 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) [2024-11-12 17:42:17,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:42:17,710 INFO L93 Difference]: Finished difference Result 459 states and 524 transitions. [2024-11-12 17:42:17,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:42:17,711 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 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 122 [2024-11-12 17:42:17,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:42:17,713 INFO L225 Difference]: With dead ends: 459 [2024-11-12 17:42:17,713 INFO L226 Difference]: Without dead ends: 457 [2024-11-12 17:42:17,713 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:42:17,714 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 63 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:42:17,714 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 41 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:42:17,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2024-11-12 17:42:17,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 457. [2024-11-12 17:42:17,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 406 states have (on average 1.2364532019704433) internal successors, (502), 444 states have internal predecessors, (502), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-12 17:42:17,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 520 transitions. [2024-11-12 17:42:17,730 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 520 transitions. Word has length 122 [2024-11-12 17:42:17,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:42:17,730 INFO L471 AbstractCegarLoop]: Abstraction has 457 states and 520 transitions. [2024-11-12 17:42:17,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 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) [2024-11-12 17:42:17,730 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 520 transitions. [2024-11-12 17:42:17,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-12 17:42:17,731 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:42:17,731 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-12 17:42:17,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-12 17:42:17,732 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-12 17:42:17,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:42:17,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1645414927, now seen corresponding path program 1 times [2024-11-12 17:42:17,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:42:17,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939086843] [2024-11-12 17:42:17,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:42:17,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:42:17,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:42:17,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1186899967] [2024-11-12 17:42:17,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:42:17,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:42:17,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:42:17,764 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) [2024-11-12 17:42:17,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-12 17:42:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:42:17,827 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-12 17:42:17,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:42:17,955 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:42:17,955 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:42:18,186 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:42:18,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:42:18,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939086843] [2024-11-12 17:42:18,187 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:42:18,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1186899967] [2024-11-12 17:42:18,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1186899967] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:42:18,187 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:42:18,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-12 17:42:18,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484253055] [2024-11-12 17:42:18,188 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:42:18,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 17:42:18,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:42:18,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 17:42:18,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:42:18,189 INFO L87 Difference]: Start difference. First operand 457 states and 520 transitions. Second operand has 8 states, 7 states have (on average 32.57142857142857) internal successors, (228), 8 states have internal predecessors, (228), 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) [2024-11-12 17:42:18,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:42:18,725 INFO L93 Difference]: Finished difference Result 483 states and 526 transitions. [2024-11-12 17:42:18,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 17:42:18,726 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 32.57142857142857) internal successors, (228), 8 states have internal predecessors, (228), 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) Word has length 124 [2024-11-12 17:42:18,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:42:18,728 INFO L225 Difference]: With dead ends: 483 [2024-11-12 17:42:18,729 INFO L226 Difference]: Without dead ends: 453 [2024-11-12 17:42:18,729 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:42:18,730 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 383 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 764 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 17:42:18,730 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 173 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 764 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 17:42:18,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2024-11-12 17:42:18,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 449. [2024-11-12 17:42:18,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 402 states have (on average 1.1592039800995024) internal successors, (466), 437 states have internal predecessors, (466), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-12 17:42:18,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 484 transitions. [2024-11-12 17:42:18,747 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 484 transitions. Word has length 124 [2024-11-12 17:42:18,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:42:18,748 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 484 transitions. [2024-11-12 17:42:18,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 32.57142857142857) internal successors, (228), 8 states have internal predecessors, (228), 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) [2024-11-12 17:42:18,748 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 484 transitions. [2024-11-12 17:42:18,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-12 17:42:18,749 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:42:18,749 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2024-11-12 17:42:18,766 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-12 17:42:18,953 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,SelfDestructingSolverStorable21 [2024-11-12 17:42:18,954 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-12 17:42:18,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:42:18,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1470987247, now seen corresponding path program 1 times [2024-11-12 17:42:18,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:42:18,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552224527] [2024-11-12 17:42:18,954 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:42:18,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:42:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:42:18,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [991210737] [2024-11-12 17:42:18,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:42:18,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:42:18,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:42:18,984 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) [2024-11-12 17:42:18,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-12 17:42:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:42:19,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:42:19,047 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:42:19,436 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-12 17:42:19,436 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:42:19,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:42:19,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552224527] [2024-11-12 17:42:19,748 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:42:19,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [991210737] [2024-11-12 17:42:19,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [991210737] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:42:19,748 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:42:19,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-12 17:42:19,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949358164] [2024-11-12 17:42:19,748 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:42:19,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:42:19,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:42:19,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:42:19,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:42:19,749 INFO L87 Difference]: Start difference. First operand 449 states and 484 transitions. Second operand has 5 states, 4 states have (on average 33.0) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-12 17:42:20,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:42:20,031 INFO L93 Difference]: Finished difference Result 451 states and 487 transitions. [2024-11-12 17:42:20,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 17:42:20,032 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 33.0) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 144 [2024-11-12 17:42:20,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:42:20,034 INFO L225 Difference]: With dead ends: 451 [2024-11-12 17:42:20,034 INFO L226 Difference]: Without dead ends: 437 [2024-11-12 17:42:20,034 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:42:20,034 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 65 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:42:20,035 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 59 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:42:20,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2024-11-12 17:42:20,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 435. [2024-11-12 17:42:20,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 402 states have (on average 1.092039800995025) internal successors, (439), 423 states have internal predecessors, (439), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-12 17:42:20,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 457 transitions. [2024-11-12 17:42:20,052 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 457 transitions. Word has length 144 [2024-11-12 17:42:20,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:42:20,053 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 457 transitions. [2024-11-12 17:42:20,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 33.0) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-12 17:42:20,053 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 457 transitions. [2024-11-12 17:42:20,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-12 17:42:20,055 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:42:20,055 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2024-11-12 17:42:20,072 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-12 17:42:20,259 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,SelfDestructingSolverStorable22 [2024-11-12 17:42:20,260 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-12 17:42:20,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:42:20,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1644035826, now seen corresponding path program 1 times [2024-11-12 17:42:20,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:42:20,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586727918] [2024-11-12 17:42:20,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:42:20,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:42:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:42:20,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [158208027] [2024-11-12 17:42:20,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:42:20,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:42:20,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:42:20,287 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) [2024-11-12 17:42:20,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-12 17:42:20,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:42:20,350 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-12 17:42:20,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:42:20,727 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-12 17:42:20,728 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:42:21,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:42:21,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586727918] [2024-11-12 17:42:21,369 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:42:21,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [158208027] [2024-11-12 17:42:21,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [158208027] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:42:21,370 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:42:21,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-12 17:42:21,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237416746] [2024-11-12 17:42:21,370 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:42:21,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 17:42:21,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:42:21,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 17:42:21,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:42:21,371 INFO L87 Difference]: Start difference. First operand 435 states and 457 transitions. Second operand has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 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) [2024-11-12 17:42:21,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:42:21,700 INFO L93 Difference]: Finished difference Result 438 states and 459 transitions. [2024-11-12 17:42:21,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 17:42:21,700 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 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) Word has length 145 [2024-11-12 17:42:21,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:42:21,702 INFO L225 Difference]: With dead ends: 438 [2024-11-12 17:42:21,702 INFO L226 Difference]: Without dead ends: 400 [2024-11-12 17:42:21,703 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:42:21,703 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 2 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:42:21,703 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 136 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:42:21,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2024-11-12 17:42:21,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 400. [2024-11-12 17:42:21,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 368 states have (on average 1.0978260869565217) internal successors, (404), 388 states have internal predecessors, (404), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-12 17:42:21,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 420 transitions. [2024-11-12 17:42:21,721 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 420 transitions. Word has length 145 [2024-11-12 17:42:21,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:42:21,721 INFO L471 AbstractCegarLoop]: Abstraction has 400 states and 420 transitions. [2024-11-12 17:42:21,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 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) [2024-11-12 17:42:21,722 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 420 transitions. [2024-11-12 17:42:21,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-12 17:42:21,724 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:42:21,725 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-12 17:42:21,742 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-12 17:42:21,925 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,SelfDestructingSolverStorable23 [2024-11-12 17:42:21,926 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-12 17:42:21,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:42:21,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1923338000, now seen corresponding path program 1 times [2024-11-12 17:42:21,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:42:21,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026598466] [2024-11-12 17:42:21,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:42:21,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:42:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:42:21,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1748819788] [2024-11-12 17:42:21,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:42:21,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:42:21,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:42:21,965 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) [2024-11-12 17:42:21,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-12 17:42:22,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:42:22,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:42:22,047 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:42:22,223 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-12 17:42:22,223 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:42:22,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:42:22,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026598466] [2024-11-12 17:42:22,293 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:42:22,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748819788] [2024-11-12 17:42:22,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1748819788] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:42:22,293 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:42:22,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-12 17:42:22,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210720050] [2024-11-12 17:42:22,294 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:42:22,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 17:42:22,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:42:22,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 17:42:22,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:42:22,295 INFO L87 Difference]: Start difference. First operand 400 states and 420 transitions. Second operand has 6 states, 5 states have (on average 31.2) internal successors, (156), 6 states have internal predecessors, (156), 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) [2024-11-12 17:42:22,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:42:22,682 INFO L93 Difference]: Finished difference Result 445 states and 466 transitions. [2024-11-12 17:42:22,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 17:42:22,683 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 31.2) internal successors, (156), 6 states have internal predecessors, (156), 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) Word has length 168 [2024-11-12 17:42:22,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:42:22,686 INFO L225 Difference]: With dead ends: 445 [2024-11-12 17:42:22,686 INFO L226 Difference]: Without dead ends: 442 [2024-11-12 17:42:22,686 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:42:22,687 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 156 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:42:22,688 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 121 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 17:42:22,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-11-12 17:42:22,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 400. [2024-11-12 17:42:22,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 368 states have (on average 1.0896739130434783) internal successors, (401), 388 states have internal predecessors, (401), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-12 17:42:22,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 417 transitions. [2024-11-12 17:42:22,707 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 417 transitions. Word has length 168 [2024-11-12 17:42:22,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:42:22,708 INFO L471 AbstractCegarLoop]: Abstraction has 400 states and 417 transitions. [2024-11-12 17:42:22,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 31.2) internal successors, (156), 6 states have internal predecessors, (156), 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) [2024-11-12 17:42:22,708 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 417 transitions. [2024-11-12 17:42:22,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-12 17:42:22,710 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:42:22,710 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-12 17:42:22,727 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-12 17:42:22,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:42:22,911 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-12 17:42:22,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:42:22,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1491876078, now seen corresponding path program 1 times [2024-11-12 17:42:22,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:42:22,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464578597] [2024-11-12 17:42:22,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:42:22,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:42:22,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:42:22,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [967889902] [2024-11-12 17:42:22,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:42:22,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:42:22,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:42:22,948 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) [2024-11-12 17:42:22,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-12 17:42:23,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:42:23,023 INFO L256 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 17:42:23,035 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:42:23,215 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 152 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-12 17:42:23,216 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:42:23,558 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 152 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-12 17:42:23,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:42:23,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464578597] [2024-11-12 17:42:23,559 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:42:23,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967889902] [2024-11-12 17:42:23,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [967889902] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:42:23,559 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:42:23,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-12 17:42:23,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805183079] [2024-11-12 17:42:23,559 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:42:23,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 17:42:23,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:42:23,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 17:42:23,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:42:23,561 INFO L87 Difference]: Start difference. First operand 400 states and 417 transitions. Second operand has 10 states, 9 states have (on average 34.44444444444444) internal successors, (310), 10 states have internal predecessors, (310), 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) [2024-11-12 17:42:24,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:42:24,164 INFO L93 Difference]: Finished difference Result 474 states and 499 transitions. [2024-11-12 17:42:24,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 17:42:24,165 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 34.44444444444444) internal successors, (310), 10 states have internal predecessors, (310), 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) Word has length 170 [2024-11-12 17:42:24,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:42:24,168 INFO L225 Difference]: With dead ends: 474 [2024-11-12 17:42:24,169 INFO L226 Difference]: Without dead ends: 462 [2024-11-12 17:42:24,169 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2024-11-12 17:42:24,170 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 519 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 1012 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 522 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 1038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 17:42:24,170 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [522 Valid, 257 Invalid, 1038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1012 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 17:42:24,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2024-11-12 17:42:24,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 410. [2024-11-12 17:42:24,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 386 states have (on average 1.0466321243523315) internal successors, (404), 398 states have internal predecessors, (404), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-12 17:42:24,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 420 transitions. [2024-11-12 17:42:24,204 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 420 transitions. Word has length 170 [2024-11-12 17:42:24,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:42:24,204 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 420 transitions. [2024-11-12 17:42:24,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 34.44444444444444) internal successors, (310), 10 states have internal predecessors, (310), 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) [2024-11-12 17:42:24,205 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 420 transitions. [2024-11-12 17:42:24,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-12 17:42:24,207 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:42:24,207 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2024-11-12 17:42:24,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-12 17:42:24,407 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,SelfDestructingSolverStorable25 [2024-11-12 17:42:24,408 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-12 17:42:24,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:42:24,408 INFO L85 PathProgramCache]: Analyzing trace with hash 826170676, now seen corresponding path program 1 times [2024-11-12 17:42:24,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:42:24,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673506387] [2024-11-12 17:42:24,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:42:24,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:42:24,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:42:24,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [752744650] [2024-11-12 17:42:24,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:42:24,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:42:24,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:42:24,438 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) [2024-11-12 17:42:24,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-12 17:42:24,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:42:24,509 INFO L256 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-12 17:42:24,511 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:42:24,753 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 6 proven. 156 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-12 17:42:24,753 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:42:32,888 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 15)) (.cse1 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 10)) (.cse2 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 6))) (or (< (+ (* (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|) 6) (* |c_ULTIMATE.start_main_~y~0#1| 4) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|) (* 4 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (div (+ .cse0 .cse1 .cse2 (* (- 1) |c_ULTIMATE.start_main_~y~0#1|)) 30)) 9223372036854775807) (not (= (mod (+ .cse0 .cse1 (* |c_ULTIMATE.start_main_~y~0#1| 29) .cse2) 30) 0)))) is different from false [2024-11-12 17:42:40,966 WARN L286 SmtUtils]: Spent 8.00s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-12 17:42:53,007 WARN L286 SmtUtils]: Spent 8.03s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)