./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound100.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 2b1a58ad3e10b615d95cc8c02ce2afb54c727e6977a5f6eabd49347a082a7a12 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 19:25:41,847 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 19:25:41,912 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 19:25:41,917 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 19:25:41,919 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 19:25:41,949 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 19:25:41,949 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 19:25:41,950 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 19:25:41,950 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 19:25:41,950 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 19:25:41,951 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 19:25:41,951 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 19:25:41,951 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 19:25:41,952 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 19:25:41,953 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 19:25:41,954 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 19:25:41,955 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 19:25:41,957 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 19:25:41,958 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 19:25:41,958 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 19:25:41,958 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 19:25:41,959 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 19:25:41,959 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 19:25:41,959 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 19:25:41,959 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 19:25:41,959 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 19:25:41,960 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 19:25:41,960 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 19:25:41,960 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 19:25:41,960 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 19:25:41,960 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 19:25:41,961 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 19:25:41,961 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 19:25:41,961 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 19:25:41,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:25:41,961 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 19:25:41,962 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 19:25:41,962 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 19:25:41,963 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 19:25:41,964 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 19:25:41,964 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 19:25:41,965 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 19:25:41,965 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 19:25:41,965 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 19:25:41,966 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b1a58ad3e10b615d95cc8c02ce2afb54c727e6977a5f6eabd49347a082a7a12 [2024-11-10 19:25:42,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 19:25:42,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 19:25:42,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 19:25:42,226 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 19:25:42,226 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 19:25:42,227 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound100.c [2024-11-10 19:25:43,658 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 19:25:43,836 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 19:25:43,836 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound100.c [2024-11-10 19:25:43,844 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0de9c6b03/a8bc584ee6ff4f6aab8182516a6849ba/FLAG6f394569e [2024-11-10 19:25:43,860 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0de9c6b03/a8bc584ee6ff4f6aab8182516a6849ba [2024-11-10 19:25:43,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 19:25:43,865 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 19:25:43,868 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 19:25:43,869 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 19:25:43,875 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 19:25:43,876 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:25:43" (1/1) ... [2024-11-10 19:25:43,876 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50d4f2fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:25:43, skipping insertion in model container [2024-11-10 19:25:43,876 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:25:43" (1/1) ... [2024-11-10 19:25:43,893 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 19:25:44,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:25:44,142 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 19:25:44,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:25:44,181 INFO L204 MainTranslator]: Completed translation [2024-11-10 19:25:44,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:25:44 WrapperNode [2024-11-10 19:25:44,182 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 19:25:44,184 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 19:25:44,184 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 19:25:44,184 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 19:25:44,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:25:44" (1/1) ... [2024-11-10 19:25:44,199 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:25:44" (1/1) ... [2024-11-10 19:25:44,229 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 101 [2024-11-10 19:25:44,233 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 19:25:44,234 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 19:25:44,234 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 19:25:44,234 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 19:25:44,249 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:25:44" (1/1) ... [2024-11-10 19:25:44,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:25:44" (1/1) ... [2024-11-10 19:25:44,252 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:25:44" (1/1) ... [2024-11-10 19:25:44,272 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]. [2024-11-10 19:25:44,272 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:25:44" (1/1) ... [2024-11-10 19:25:44,272 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:25:44" (1/1) ... [2024-11-10 19:25:44,278 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:25:44" (1/1) ... [2024-11-10 19:25:44,283 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:25:44" (1/1) ... [2024-11-10 19:25:44,284 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:25:44" (1/1) ... [2024-11-10 19:25:44,285 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:25:44" (1/1) ... [2024-11-10 19:25:44,286 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 19:25:44,291 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 19:25:44,291 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 19:25:44,291 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 19:25:44,292 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:25:44" (1/1) ... [2024-11-10 19:25:44,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:25:44,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:25:44,327 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) [2024-11-10 19:25:44,329 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 [2024-11-10 19:25:44,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 19:25:44,375 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 19:25:44,375 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 19:25:44,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 19:25:44,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 19:25:44,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 19:25:44,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 19:25:44,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 19:25:44,432 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 19:25:44,435 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 19:25:44,860 INFO L? ?]: Removed 91 outVars from TransFormulas that were not future-live. [2024-11-10 19:25:44,860 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 19:25:44,880 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 19:25:44,881 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 19:25:44,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:25:44 BoogieIcfgContainer [2024-11-10 19:25:44,881 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 19:25:44,883 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 19:25:44,883 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 19:25:44,888 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 19:25:44,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:25:43" (1/3) ... [2024-11-10 19:25:44,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d7986a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:25:44, skipping insertion in model container [2024-11-10 19:25:44,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:25:44" (2/3) ... [2024-11-10 19:25:44,891 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d7986a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:25:44, skipping insertion in model container [2024-11-10 19:25:44,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:25:44" (3/3) ... [2024-11-10 19:25:44,893 INFO L112 eAbstractionObserver]: Analyzing ICFG prod4br-ll_valuebound100.c [2024-11-10 19:25:44,913 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 19:25:44,913 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2024-11-10 19:25:44,983 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 19:25:44,991 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;@566140af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 19:25:44,991 INFO L334 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2024-11-10 19:25:44,996 INFO L276 IsEmpty]: Start isEmpty. Operand has 124 states, 73 states have (on average 1.6849315068493151) internal successors, (123), 115 states have internal predecessors, (123), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 19:25:45,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-10 19:25:45,004 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:25:45,005 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:25:45,007 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:25:45,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:25:45,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1611369190, now seen corresponding path program 1 times [2024-11-10 19:25:45,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:25:45,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581963044] [2024-11-10 19:25:45,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:25:45,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:25:45,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:45,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:25:45,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:45,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:25:45,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:45,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:25:45,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:45,216 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:25:45,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:25:45,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581963044] [2024-11-10 19:25:45,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581963044] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:25:45,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:25:45,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:25:45,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870961625] [2024-11-10 19:25:45,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:25:45,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 19:25:45,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:25:45,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 19:25:45,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:25:45,253 INFO L87 Difference]: Start difference. First operand has 124 states, 73 states have (on average 1.6849315068493151) internal successors, (123), 115 states have internal predecessors, (123), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:25:45,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:25:45,287 INFO L93 Difference]: Finished difference Result 244 states and 271 transitions. [2024-11-10 19:25:45,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 19:25:45,293 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2024-11-10 19:25:45,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:25:45,303 INFO L225 Difference]: With dead ends: 244 [2024-11-10 19:25:45,303 INFO L226 Difference]: Without dead ends: 117 [2024-11-10 19:25:45,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:25:45,312 INFO L432 NwaCegarLoop]: 130 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, 130 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 [2024-11-10 19:25:45,313 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:25:45,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-10 19:25:45,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-10 19:25:45,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 68 states have (on average 1.661764705882353) internal successors, (113), 109 states have internal predecessors, (113), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:25:45,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 123 transitions. [2024-11-10 19:25:45,366 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 123 transitions. Word has length 21 [2024-11-10 19:25:45,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:25:45,367 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 123 transitions. [2024-11-10 19:25:45,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:25:45,367 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 123 transitions. [2024-11-10 19:25:45,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-10 19:25:45,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:25:45,369 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:25:45,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 19:25:45,370 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:25:45,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:25:45,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1606678862, now seen corresponding path program 1 times [2024-11-10 19:25:45,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:25:45,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287843551] [2024-11-10 19:25:45,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:25:45,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:25:45,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:25:45,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1336472008] [2024-11-10 19:25:45,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:25:45,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:25:45,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:25:45,424 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) [2024-11-10 19:25:45,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 19:25:45,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:45,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-10 19:25:45,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:25:45,709 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:25:45,709 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:25:45,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:25:45,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287843551] [2024-11-10 19:25:45,888 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:25:45,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336472008] [2024-11-10 19:25:45,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1336472008] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:25:45,889 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:25:45,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-10 19:25:45,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294428078] [2024-11-10 19:25:45,891 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:25:45,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:25:45,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:25:45,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:25:45,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:25:45,895 INFO L87 Difference]: Start difference. First operand 117 states and 123 transitions. Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:25:46,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:25:46,332 INFO L93 Difference]: Finished difference Result 164 states and 185 transitions. [2024-11-10 19:25:46,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:25:46,332 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (3), 1 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 22 [2024-11-10 19:25:46,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:25:46,334 INFO L225 Difference]: With dead ends: 164 [2024-11-10 19:25:46,336 INFO L226 Difference]: Without dead ends: 152 [2024-11-10 19:25:46,336 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:25:46,337 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 319 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:25:46,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 239 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:25:46,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-11-10 19:25:46,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 143. [2024-11-10 19:25:46,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 94 states have (on average 1.574468085106383) internal successors, (148), 133 states have internal predecessors, (148), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-10 19:25:46,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 162 transitions. [2024-11-10 19:25:46,358 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 162 transitions. Word has length 22 [2024-11-10 19:25:46,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:25:46,359 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 162 transitions. [2024-11-10 19:25:46,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:25:46,360 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 162 transitions. [2024-11-10 19:25:46,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-10 19:25:46,362 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:25:46,362 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:25:46,379 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 19:25:46,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:25:46,567 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:25:46,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:25:46,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1732562756, now seen corresponding path program 1 times [2024-11-10 19:25:46,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:25:46,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229320186] [2024-11-10 19:25:46,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:25:46,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:25:46,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:25:46,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [840573964] [2024-11-10 19:25:46,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:25:46,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:25:46,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:25:46,589 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) [2024-11-10 19:25:46,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 19:25:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:46,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-10 19:25:46,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:25:46,763 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:25:46,763 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:25:46,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:25:46,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229320186] [2024-11-10 19:25:46,764 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:25:46,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840573964] [2024-11-10 19:25:46,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840573964] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:25:46,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:25:46,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 19:25:46,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725666905] [2024-11-10 19:25:46,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:25:46,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:25:46,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:25:46,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:25:46,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:25:46,768 INFO L87 Difference]: Start difference. First operand 143 states and 162 transitions. Second operand has 8 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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) [2024-11-10 19:25:47,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:25:47,164 INFO L93 Difference]: Finished difference Result 198 states and 236 transitions. [2024-11-10 19:25:47,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:25:47,164 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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 23 [2024-11-10 19:25:47,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:25:47,166 INFO L225 Difference]: With dead ends: 198 [2024-11-10 19:25:47,166 INFO L226 Difference]: Without dead ends: 181 [2024-11-10 19:25:47,166 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:25:47,167 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 194 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:25:47,168 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 240 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:25:47,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-10 19:25:47,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 173. [2024-11-10 19:25:47,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 125 states have (on average 1.52) internal successors, (190), 162 states have internal predecessors, (190), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:25:47,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 206 transitions. [2024-11-10 19:25:47,185 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 206 transitions. Word has length 23 [2024-11-10 19:25:47,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:25:47,185 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 206 transitions. [2024-11-10 19:25:47,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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) [2024-11-10 19:25:47,186 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 206 transitions. [2024-11-10 19:25:47,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-10 19:25:47,186 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:25:47,187 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:25:47,204 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-10 19:25:47,390 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,SelfDestructingSolverStorable2 [2024-11-10 19:25:47,391 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:25:47,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:25:47,392 INFO L85 PathProgramCache]: Analyzing trace with hash 2125129484, now seen corresponding path program 1 times [2024-11-10 19:25:47,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:25:47,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907549961] [2024-11-10 19:25:47,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:25:47,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:25:47,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:25:47,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [619972944] [2024-11-10 19:25:47,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:25:47,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:25:47,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:25:47,419 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) [2024-11-10 19:25:47,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 19:25:47,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:47,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-10 19:25:47,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:25:47,598 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:25:47,598 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:25:48,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:25:48,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907549961] [2024-11-10 19:25:48,137 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:25:48,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [619972944] [2024-11-10 19:25:48,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [619972944] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:25:48,138 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:25:48,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-10 19:25:48,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936323069] [2024-11-10 19:25:48,138 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:25:48,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:25:48,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:25:48,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:25:48,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:25:48,140 INFO L87 Difference]: Start difference. First operand 173 states and 206 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:25:48,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:25:48,408 INFO L93 Difference]: Finished difference Result 184 states and 216 transitions. [2024-11-10 19:25:48,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:25:48,409 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (3), 1 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 24 [2024-11-10 19:25:48,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:25:48,410 INFO L225 Difference]: With dead ends: 184 [2024-11-10 19:25:48,410 INFO L226 Difference]: Without dead ends: 183 [2024-11-10 19:25:48,411 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:25:48,412 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 293 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:25:48,412 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 255 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:25:48,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-10 19:25:48,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 173. [2024-11-10 19:25:48,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 125 states have (on average 1.512) internal successors, (189), 162 states have internal predecessors, (189), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:25:48,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 205 transitions. [2024-11-10 19:25:48,429 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 205 transitions. Word has length 24 [2024-11-10 19:25:48,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:25:48,429 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 205 transitions. [2024-11-10 19:25:48,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:25:48,429 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 205 transitions. [2024-11-10 19:25:48,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-10 19:25:48,430 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:25:48,431 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:25:48,447 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-10 19:25:48,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:25:48,632 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:25:48,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:25:48,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1454504634, now seen corresponding path program 1 times [2024-11-10 19:25:48,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:25:48,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703998551] [2024-11-10 19:25:48,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:25:48,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:25:48,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:25:48,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [67598528] [2024-11-10 19:25:48,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:25:48,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:25:48,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:25:48,659 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) [2024-11-10 19:25:48,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 19:25:48,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:48,725 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-10 19:25:48,726 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:25:48,892 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:25:48,893 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:25:48,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:25:48,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703998551] [2024-11-10 19:25:48,893 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:25:48,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67598528] [2024-11-10 19:25:48,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [67598528] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:25:48,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:25:48,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 19:25:48,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985819315] [2024-11-10 19:25:48,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:25:48,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:25:48,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:25:48,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:25:48,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:25:48,898 INFO L87 Difference]: Start difference. First operand 173 states and 205 transitions. Second operand has 8 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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) [2024-11-10 19:25:49,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:25:49,224 INFO L93 Difference]: Finished difference Result 184 states and 215 transitions. [2024-11-10 19:25:49,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:25:49,225 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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 25 [2024-11-10 19:25:49,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:25:49,226 INFO L225 Difference]: With dead ends: 184 [2024-11-10 19:25:49,228 INFO L226 Difference]: Without dead ends: 183 [2024-11-10 19:25:49,228 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:25:49,229 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 290 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:25:49,230 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 269 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:25:49,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-10 19:25:49,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 173. [2024-11-10 19:25:49,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 125 states have (on average 1.504) internal successors, (188), 162 states have internal predecessors, (188), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:25:49,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 204 transitions. [2024-11-10 19:25:49,250 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 204 transitions. Word has length 25 [2024-11-10 19:25:49,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:25:49,250 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 204 transitions. [2024-11-10 19:25:49,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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) [2024-11-10 19:25:49,250 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 204 transitions. [2024-11-10 19:25:49,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-10 19:25:49,251 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:25:49,251 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:25:49,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-10 19:25:49,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:25:49,451 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:25:49,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:25:49,452 INFO L85 PathProgramCache]: Analyzing trace with hash 2139970762, now seen corresponding path program 1 times [2024-11-10 19:25:49,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:25:49,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32631461] [2024-11-10 19:25:49,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:25:49,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:25:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:49,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:25:49,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:49,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:25:49,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:49,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:25:49,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:49,540 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:25:49,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:25:49,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32631461] [2024-11-10 19:25:49,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32631461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:25:49,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:25:49,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:25:49,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744586936] [2024-11-10 19:25:49,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:25:49,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:25:49,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:25:49,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:25:49,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:25:49,542 INFO L87 Difference]: Start difference. First operand 173 states and 204 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:25:50,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:25:50,910 INFO L93 Difference]: Finished difference Result 253 states and 296 transitions. [2024-11-10 19:25:50,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:25:50,910 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2024-11-10 19:25:50,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:25:50,912 INFO L225 Difference]: With dead ends: 253 [2024-11-10 19:25:50,912 INFO L226 Difference]: Without dead ends: 252 [2024-11-10 19:25:50,912 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:25:50,913 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 69 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:25:50,913 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 200 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-10 19:25:50,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-10 19:25:50,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 195. [2024-11-10 19:25:50,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 146 states have (on average 1.4863013698630136) internal successors, (217), 183 states have internal predecessors, (217), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 19:25:50,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 235 transitions. [2024-11-10 19:25:50,925 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 235 transitions. Word has length 26 [2024-11-10 19:25:50,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:25:50,925 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 235 transitions. [2024-11-10 19:25:50,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:25:50,926 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 235 transitions. [2024-11-10 19:25:50,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-10 19:25:50,926 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:25:50,927 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:25:50,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 19:25:50,927 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:25:50,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:25:50,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1914584248, now seen corresponding path program 1 times [2024-11-10 19:25:50,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:25:50,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735303425] [2024-11-10 19:25:50,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:25:50,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:25:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:51,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:25:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:51,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:25:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:51,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:25:51,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:51,170 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:25:51,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:25:51,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735303425] [2024-11-10 19:25:51,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735303425] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:25:51,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:25:51,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:25:51,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466502929] [2024-11-10 19:25:51,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:25:51,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:25:51,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:25:51,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:25:51,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:25:51,172 INFO L87 Difference]: Start difference. First operand 195 states and 235 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:25:52,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:25:52,739 INFO L93 Difference]: Finished difference Result 253 states and 294 transitions. [2024-11-10 19:25:52,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:25:52,740 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2024-11-10 19:25:52,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:25:52,741 INFO L225 Difference]: With dead ends: 253 [2024-11-10 19:25:52,742 INFO L226 Difference]: Without dead ends: 252 [2024-11-10 19:25:52,742 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:25:52,743 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 95 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:25:52,743 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 173 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-10 19:25:52,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-10 19:25:52,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 195. [2024-11-10 19:25:52,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 146 states have (on average 1.4726027397260273) internal successors, (215), 183 states have internal predecessors, (215), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 19:25:52,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 233 transitions. [2024-11-10 19:25:52,753 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 233 transitions. Word has length 27 [2024-11-10 19:25:52,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:25:52,753 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 233 transitions. [2024-11-10 19:25:52,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:25:52,753 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 233 transitions. [2024-11-10 19:25:52,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-10 19:25:52,754 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:25:52,754 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:25:52,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 19:25:52,755 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:25:52,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:25:52,755 INFO L85 PathProgramCache]: Analyzing trace with hash 281023070, now seen corresponding path program 1 times [2024-11-10 19:25:52,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:25:52,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608693408] [2024-11-10 19:25:52,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:25:52,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:25:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:25:52,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1793539575] [2024-11-10 19:25:52,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:25:52,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:25:52,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:25:52,789 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) [2024-11-10 19:25:52,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 19:25:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:52,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:25:52,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:25:52,917 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:25:52,917 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:25:52,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:25:52,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608693408] [2024-11-10 19:25:52,918 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:25:52,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793539575] [2024-11-10 19:25:52,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793539575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:25:52,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:25:52,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:25:52,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236051264] [2024-11-10 19:25:52,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:25:52,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:25:52,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:25:52,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:25:52,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:25:52,920 INFO L87 Difference]: Start difference. First operand 195 states and 233 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:25:53,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:25:53,259 INFO L93 Difference]: Finished difference Result 264 states and 323 transitions. [2024-11-10 19:25:53,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:25:53,259 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 41 [2024-11-10 19:25:53,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:25:53,260 INFO L225 Difference]: With dead ends: 264 [2024-11-10 19:25:53,261 INFO L226 Difference]: Without dead ends: 258 [2024-11-10 19:25:53,261 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:25:53,261 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 183 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:25:53,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 135 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:25:53,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-11-10 19:25:53,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 239. [2024-11-10 19:25:53,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 189 states have (on average 1.470899470899471) internal successors, (278), 226 states have internal predecessors, (278), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 19:25:53,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 298 transitions. [2024-11-10 19:25:53,277 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 298 transitions. Word has length 41 [2024-11-10 19:25:53,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:25:53,279 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 298 transitions. [2024-11-10 19:25:53,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:25:53,279 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 298 transitions. [2024-11-10 19:25:53,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-10 19:25:53,281 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:25:53,281 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:25:53,298 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 19:25:53,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:25:53,483 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:25:53,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:25:53,483 INFO L85 PathProgramCache]: Analyzing trace with hash 121780581, now seen corresponding path program 1 times [2024-11-10 19:25:53,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:25:53,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297243392] [2024-11-10 19:25:53,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:25:53,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:25:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:25:53,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [503766436] [2024-11-10 19:25:53,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:25:53,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:25:53,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:25:53,523 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) [2024-11-10 19:25:53,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 19:25:53,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:53,572 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:25:53,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:25:53,647 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:25:53,647 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:25:53,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:25:53,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297243392] [2024-11-10 19:25:53,647 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:25:53,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [503766436] [2024-11-10 19:25:53,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [503766436] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:25:53,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:25:53,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:25:53,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046809835] [2024-11-10 19:25:53,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:25:53,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:25:53,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:25:53,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:25:53,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:25:53,649 INFO L87 Difference]: Start difference. First operand 239 states and 298 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:25:53,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:25:53,931 INFO L93 Difference]: Finished difference Result 352 states and 461 transitions. [2024-11-10 19:25:53,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:25:53,931 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 42 [2024-11-10 19:25:53,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:25:53,933 INFO L225 Difference]: With dead ends: 352 [2024-11-10 19:25:53,933 INFO L226 Difference]: Without dead ends: 346 [2024-11-10 19:25:53,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:25:53,934 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 236 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:25:53,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 93 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:25:53,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-10 19:25:53,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 324. [2024-11-10 19:25:53,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 272 states have (on average 1.5) internal successors, (408), 309 states have internal predecessors, (408), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:25:53,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 432 transitions. [2024-11-10 19:25:53,956 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 432 transitions. Word has length 42 [2024-11-10 19:25:53,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:25:53,956 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 432 transitions. [2024-11-10 19:25:53,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:25:53,956 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 432 transitions. [2024-11-10 19:25:53,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-10 19:25:53,957 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:25:53,958 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:25:53,978 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 19:25:54,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:25:54,162 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:25:54,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:25:54,162 INFO L85 PathProgramCache]: Analyzing trace with hash 190612718, now seen corresponding path program 1 times [2024-11-10 19:25:54,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:25:54,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503299739] [2024-11-10 19:25:54,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:25:54,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:25:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:25:54,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1890919817] [2024-11-10 19:25:54,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:25:54,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:25:54,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:25:54,197 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) [2024-11-10 19:25:54,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 19:25:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:54,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:25:54,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:25:54,329 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:25:54,329 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:25:54,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:25:54,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503299739] [2024-11-10 19:25:54,330 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:25:54,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890919817] [2024-11-10 19:25:54,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1890919817] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:25:54,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:25:54,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:25:54,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469597593] [2024-11-10 19:25:54,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:25:54,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:25:54,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:25:54,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:25:54,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:25:54,334 INFO L87 Difference]: Start difference. First operand 324 states and 432 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:25:54,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:25:54,619 INFO L93 Difference]: Finished difference Result 337 states and 443 transitions. [2024-11-10 19:25:54,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:25:54,620 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 42 [2024-11-10 19:25:54,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:25:54,622 INFO L225 Difference]: With dead ends: 337 [2024-11-10 19:25:54,623 INFO L226 Difference]: Without dead ends: 336 [2024-11-10 19:25:54,623 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:25:54,624 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 168 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:25:54,625 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 132 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:25:54,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-11-10 19:25:54,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 324. [2024-11-10 19:25:54,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 272 states have (on average 1.4963235294117647) internal successors, (407), 309 states have internal predecessors, (407), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:25:54,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 431 transitions. [2024-11-10 19:25:54,636 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 431 transitions. Word has length 42 [2024-11-10 19:25:54,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:25:54,636 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 431 transitions. [2024-11-10 19:25:54,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:25:54,637 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 431 transitions. [2024-11-10 19:25:54,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-10 19:25:54,638 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:25:54,638 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:25:54,653 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-10 19:25:54,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:25:54,842 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:25:54,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:25:54,842 INFO L85 PathProgramCache]: Analyzing trace with hash -519769284, now seen corresponding path program 1 times [2024-11-10 19:25:54,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:25:54,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454663531] [2024-11-10 19:25:54,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:25:54,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:25:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:54,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:25:54,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:54,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:25:54,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:54,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:25:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:54,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 19:25:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:54,963 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:25:54,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:25:54,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454663531] [2024-11-10 19:25:54,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454663531] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:25:54,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:25:54,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:25:54,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642680539] [2024-11-10 19:25:54,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:25:54,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:25:54,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:25:54,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:25:54,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:25:54,967 INFO L87 Difference]: Start difference. First operand 324 states and 431 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:25:55,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:25:55,683 INFO L93 Difference]: Finished difference Result 408 states and 529 transitions. [2024-11-10 19:25:55,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:25:55,684 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2024-11-10 19:25:55,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:25:55,686 INFO L225 Difference]: With dead ends: 408 [2024-11-10 19:25:55,686 INFO L226 Difference]: Without dead ends: 407 [2024-11-10 19:25:55,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:25:55,687 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 61 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:25:55,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 214 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:25:55,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-10 19:25:55,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 335. [2024-11-10 19:25:55,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 283 states have (on average 1.4876325088339222) internal successors, (421), 320 states have internal predecessors, (421), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:25:55,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 445 transitions. [2024-11-10 19:25:55,702 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 445 transitions. Word has length 43 [2024-11-10 19:25:55,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:25:55,703 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 445 transitions. [2024-11-10 19:25:55,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:25:55,703 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 445 transitions. [2024-11-10 19:25:55,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-10 19:25:55,704 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:25:55,704 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:25:55,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 19:25:55,704 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:25:55,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:25:55,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1614026979, now seen corresponding path program 1 times [2024-11-10 19:25:55,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:25:55,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381706532] [2024-11-10 19:25:55,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:25:55,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:25:55,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:25:55,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1501693763] [2024-11-10 19:25:55,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:25:55,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:25:55,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:25:55,723 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) [2024-11-10 19:25:55,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 19:25:55,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:55,766 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:25:55,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:25:55,842 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:25:55,842 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:25:55,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:25:55,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381706532] [2024-11-10 19:25:55,842 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:25:55,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501693763] [2024-11-10 19:25:55,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1501693763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:25:55,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:25:55,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:25:55,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510339885] [2024-11-10 19:25:55,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:25:55,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:25:55,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:25:55,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:25:55,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:25:55,845 INFO L87 Difference]: Start difference. First operand 335 states and 445 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:25:56,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:25:56,013 INFO L93 Difference]: Finished difference Result 354 states and 460 transitions. [2024-11-10 19:25:56,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:25:56,014 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2024-11-10 19:25:56,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:25:56,015 INFO L225 Difference]: With dead ends: 354 [2024-11-10 19:25:56,015 INFO L226 Difference]: Without dead ends: 350 [2024-11-10 19:25:56,016 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:25:56,016 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 226 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:25:56,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 96 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:25:56,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-11-10 19:25:56,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 332. [2024-11-10 19:25:56,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 280 states have (on average 1.4642857142857142) internal successors, (410), 317 states have internal predecessors, (410), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:25:56,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 434 transitions. [2024-11-10 19:25:56,028 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 434 transitions. Word has length 43 [2024-11-10 19:25:56,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:25:56,028 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 434 transitions. [2024-11-10 19:25:56,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:25:56,029 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 434 transitions. [2024-11-10 19:25:56,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-10 19:25:56,029 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:25:56,030 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:25:56,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-10 19:25:56,230 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,SelfDestructingSolverStorable11 [2024-11-10 19:25:56,231 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:25:56,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:25:56,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1067021379, now seen corresponding path program 1 times [2024-11-10 19:25:56,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:25:56,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169887644] [2024-11-10 19:25:56,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:25:56,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:25:56,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:56,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:25:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:56,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:25:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:56,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:25:56,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:56,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 19:25:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:56,362 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:25:56,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:25:56,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169887644] [2024-11-10 19:25:56,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169887644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:25:56,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:25:56,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:25:56,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580852615] [2024-11-10 19:25:56,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:25:56,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:25:56,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:25:56,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:25:56,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:25:56,366 INFO L87 Difference]: Start difference. First operand 332 states and 434 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:25:57,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:25:57,243 INFO L93 Difference]: Finished difference Result 406 states and 516 transitions. [2024-11-10 19:25:57,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:25:57,244 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2024-11-10 19:25:57,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:25:57,245 INFO L225 Difference]: With dead ends: 406 [2024-11-10 19:25:57,246 INFO L226 Difference]: Without dead ends: 405 [2024-11-10 19:25:57,246 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:25:57,246 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 59 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 19:25:57,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 219 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 19:25:57,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-11-10 19:25:57,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 334. [2024-11-10 19:25:57,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 282 states have (on average 1.4609929078014185) internal successors, (412), 319 states have internal predecessors, (412), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:25:57,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 436 transitions. [2024-11-10 19:25:57,258 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 436 transitions. Word has length 44 [2024-11-10 19:25:57,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:25:57,258 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 436 transitions. [2024-11-10 19:25:57,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:25:57,258 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 436 transitions. [2024-11-10 19:25:57,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-10 19:25:57,259 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:25:57,259 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:25:57,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 19:25:57,259 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:25:57,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:25:57,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1504771188, now seen corresponding path program 1 times [2024-11-10 19:25:57,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:25:57,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829594364] [2024-11-10 19:25:57,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:25:57,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:25:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:57,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:25:57,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:57,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:25:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:57,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:25:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:57,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 19:25:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:57,328 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:25:57,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:25:57,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829594364] [2024-11-10 19:25:57,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829594364] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:25:57,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:25:57,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:25:57,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044260254] [2024-11-10 19:25:57,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:25:57,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:25:57,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:25:57,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:25:57,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:25:57,331 INFO L87 Difference]: Start difference. First operand 334 states and 436 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:25:57,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:25:57,894 INFO L93 Difference]: Finished difference Result 406 states and 514 transitions. [2024-11-10 19:25:57,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:25:57,894 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2024-11-10 19:25:57,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:25:57,896 INFO L225 Difference]: With dead ends: 406 [2024-11-10 19:25:57,896 INFO L226 Difference]: Without dead ends: 405 [2024-11-10 19:25:57,896 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:25:57,897 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 58 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:25:57,897 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 257 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:25:57,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-11-10 19:25:57,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 346. [2024-11-10 19:25:57,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 294 states have (on average 1.4557823129251701) internal successors, (428), 331 states have internal predecessors, (428), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:25:57,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 452 transitions. [2024-11-10 19:25:57,909 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 452 transitions. Word has length 44 [2024-11-10 19:25:57,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:25:57,909 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 452 transitions. [2024-11-10 19:25:57,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:25:57,910 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 452 transitions. [2024-11-10 19:25:57,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-10 19:25:57,910 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:25:57,910 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:25:57,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 19:25:57,911 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:25:57,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:25:57,911 INFO L85 PathProgramCache]: Analyzing trace with hash 596733441, now seen corresponding path program 1 times [2024-11-10 19:25:57,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:25:57,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040625582] [2024-11-10 19:25:57,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:25:57,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:25:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:58,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:25:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:58,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:25:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:58,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:25:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:58,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 19:25:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:58,015 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:25:58,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:25:58,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040625582] [2024-11-10 19:25:58,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040625582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:25:58,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:25:58,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:25:58,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622042991] [2024-11-10 19:25:58,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:25:58,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:25:58,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:25:58,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:25:58,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:25:58,017 INFO L87 Difference]: Start difference. First operand 346 states and 452 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:25:58,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:25:58,899 INFO L93 Difference]: Finished difference Result 406 states and 512 transitions. [2024-11-10 19:25:58,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:25:58,899 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 45 [2024-11-10 19:25:58,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:25:58,901 INFO L225 Difference]: With dead ends: 406 [2024-11-10 19:25:58,901 INFO L226 Difference]: Without dead ends: 405 [2024-11-10 19:25:58,901 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:25:58,901 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 58 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 19:25:58,902 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 231 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 19:25:58,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-11-10 19:25:58,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 348. [2024-11-10 19:25:58,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 296 states have (on average 1.4527027027027026) internal successors, (430), 333 states have internal predecessors, (430), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:25:58,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 454 transitions. [2024-11-10 19:25:58,913 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 454 transitions. Word has length 45 [2024-11-10 19:25:58,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:25:58,914 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 454 transitions. [2024-11-10 19:25:58,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:25:58,914 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 454 transitions. [2024-11-10 19:25:58,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-10 19:25:58,914 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:25:58,914 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:25:58,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 19:25:58,915 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:25:58,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:25:58,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1331092731, now seen corresponding path program 1 times [2024-11-10 19:25:58,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:25:58,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185106855] [2024-11-10 19:25:58,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:25:58,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:25:58,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:59,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:25:59,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:59,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:25:59,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:59,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:25:59,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:59,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 19:25:59,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:59,021 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:25:59,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:25:59,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185106855] [2024-11-10 19:25:59,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185106855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:25:59,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:25:59,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 19:25:59,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952847940] [2024-11-10 19:25:59,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:25:59,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:25:59,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:25:59,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:25:59,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:25:59,025 INFO L87 Difference]: Start difference. First operand 348 states and 454 transitions. Second operand has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:25:59,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:25:59,512 INFO L93 Difference]: Finished difference Result 467 states and 630 transitions. [2024-11-10 19:25:59,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:25:59,512 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 45 [2024-11-10 19:25:59,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:25:59,514 INFO L225 Difference]: With dead ends: 467 [2024-11-10 19:25:59,514 INFO L226 Difference]: Without dead ends: 465 [2024-11-10 19:25:59,515 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:25:59,515 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 554 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:25:59,515 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [554 Valid, 101 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:25:59,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2024-11-10 19:25:59,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 356. [2024-11-10 19:25:59,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 304 states have (on average 1.444078947368421) internal successors, (439), 341 states have internal predecessors, (439), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:25:59,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 463 transitions. [2024-11-10 19:25:59,528 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 463 transitions. Word has length 45 [2024-11-10 19:25:59,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:25:59,528 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 463 transitions. [2024-11-10 19:25:59,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:25:59,529 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 463 transitions. [2024-11-10 19:25:59,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-10 19:25:59,529 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:25:59,529 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:25:59,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 19:25:59,530 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:25:59,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:25:59,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1685798260, now seen corresponding path program 1 times [2024-11-10 19:25:59,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:25:59,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851992675] [2024-11-10 19:25:59,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:25:59,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:25:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:59,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:25:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:59,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:25:59,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:59,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:25:59,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:59,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 19:25:59,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:25:59,665 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:25:59,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:25:59,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851992675] [2024-11-10 19:25:59,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851992675] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:25:59,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:25:59,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 19:25:59,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482956691] [2024-11-10 19:25:59,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:25:59,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:25:59,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:25:59,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:25:59,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:25:59,671 INFO L87 Difference]: Start difference. First operand 356 states and 463 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:26:00,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:26:00,263 INFO L93 Difference]: Finished difference Result 367 states and 475 transitions. [2024-11-10 19:26:00,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:26:00,264 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 46 [2024-11-10 19:26:00,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:26:00,265 INFO L225 Difference]: With dead ends: 367 [2024-11-10 19:26:00,266 INFO L226 Difference]: Without dead ends: 365 [2024-11-10 19:26:00,266 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:26:00,266 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 417 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 417 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:26:00,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [417 Valid, 126 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:26:00,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-11-10 19:26:00,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 356. [2024-11-10 19:26:00,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 304 states have (on average 1.4342105263157894) internal successors, (436), 341 states have internal predecessors, (436), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:26:00,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 460 transitions. [2024-11-10 19:26:00,281 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 460 transitions. Word has length 46 [2024-11-10 19:26:00,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:26:00,281 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 460 transitions. [2024-11-10 19:26:00,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:26:00,282 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 460 transitions. [2024-11-10 19:26:00,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-10 19:26:00,282 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:26:00,282 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:26:00,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 19:26:00,283 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:26:00,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:26:00,283 INFO L85 PathProgramCache]: Analyzing trace with hash -401023573, now seen corresponding path program 1 times [2024-11-10 19:26:00,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:26:00,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642143717] [2024-11-10 19:26:00,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:00,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:26:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:26:00,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1755405436] [2024-11-10 19:26:00,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:00,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:26:00,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:26:00,310 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) [2024-11-10 19:26:00,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 19:26:00,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:00,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-10 19:26:00,357 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:26:00,590 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:26:00,590 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:26:03,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:26:03,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642143717] [2024-11-10 19:26:03,338 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:26:03,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755405436] [2024-11-10 19:26:03,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1755405436] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:26:03,338 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:26:03,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-10 19:26:03,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916448026] [2024-11-10 19:26:03,338 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:26:03,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:26:03,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:26:03,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:26:03,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-11-10 19:26:03,341 INFO L87 Difference]: Start difference. First operand 356 states and 460 transitions. Second operand has 10 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:26:03,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:26:03,878 INFO L93 Difference]: Finished difference Result 448 states and 582 transitions. [2024-11-10 19:26:03,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:26:03,878 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 48 [2024-11-10 19:26:03,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:26:03,880 INFO L225 Difference]: With dead ends: 448 [2024-11-10 19:26:03,880 INFO L226 Difference]: Without dead ends: 426 [2024-11-10 19:26:03,881 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=109, Invalid=233, Unknown=0, NotChecked=0, Total=342 [2024-11-10 19:26:03,881 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 187 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:26:03,881 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 294 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:26:03,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-11-10 19:26:03,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 415. [2024-11-10 19:26:03,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 360 states have (on average 1.4111111111111112) internal successors, (508), 397 states have internal predecessors, (508), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-10 19:26:03,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 538 transitions. [2024-11-10 19:26:03,897 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 538 transitions. Word has length 48 [2024-11-10 19:26:03,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:26:03,897 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 538 transitions. [2024-11-10 19:26:03,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:26:03,898 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 538 transitions. [2024-11-10 19:26:03,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-10 19:26:03,898 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:26:03,898 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-10 19:26:03,915 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-10 19:26:04,099 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 [2024-11-10 19:26:04,099 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:26:04,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:26:04,099 INFO L85 PathProgramCache]: Analyzing trace with hash -57860520, now seen corresponding path program 1 times [2024-11-10 19:26:04,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:26:04,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458892790] [2024-11-10 19:26:04,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:04,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:26:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:26:04,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1760586667] [2024-11-10 19:26:04,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:04,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:26:04,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:26:04,128 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) [2024-11-10 19:26:04,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-10 19:26:04,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:04,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-10 19:26:04,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:26:05,546 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:26:05,546 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:26:06,984 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:26:06,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:26:06,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458892790] [2024-11-10 19:26:06,984 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:26:06,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1760586667] [2024-11-10 19:26:06,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1760586667] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-10 19:26:06,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:26:06,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2024-11-10 19:26:06,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90849750] [2024-11-10 19:26:06,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:26:06,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:26:06,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:26:06,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:26:06,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=300, Unknown=0, NotChecked=0, Total=380 [2024-11-10 19:26:06,988 INFO L87 Difference]: Start difference. First operand 415 states and 538 transitions. Second operand has 9 states, 8 states have (on average 4.375) internal successors, (35), 9 states have internal predecessors, (35), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:26:09,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:26:09,243 INFO L93 Difference]: Finished difference Result 428 states and 555 transitions. [2024-11-10 19:26:09,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:26:09,244 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.375) internal successors, (35), 9 states have internal predecessors, (35), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 49 [2024-11-10 19:26:09,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:26:09,246 INFO L225 Difference]: With dead ends: 428 [2024-11-10 19:26:09,246 INFO L226 Difference]: Without dead ends: 421 [2024-11-10 19:26:09,246 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2024-11-10 19:26:09,247 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 88 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:26:09,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 118 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-10 19:26:09,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2024-11-10 19:26:09,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 401. [2024-11-10 19:26:09,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 350 states have (on average 1.4) internal successors, (490), 386 states have internal predecessors, (490), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:26:09,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 514 transitions. [2024-11-10 19:26:09,268 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 514 transitions. Word has length 49 [2024-11-10 19:26:09,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:26:09,268 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 514 transitions. [2024-11-10 19:26:09,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.375) internal successors, (35), 9 states have internal predecessors, (35), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:26:09,268 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 514 transitions. [2024-11-10 19:26:09,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-10 19:26:09,269 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:26:09,269 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:26:09,285 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-10 19:26:09,473 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 [2024-11-10 19:26:09,473 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:26:09,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:26:09,474 INFO L85 PathProgramCache]: Analyzing trace with hash 20918306, now seen corresponding path program 1 times [2024-11-10 19:26:09,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:26:09,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99651959] [2024-11-10 19:26:09,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:09,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:26:09,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:26:09,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [991573516] [2024-11-10 19:26:09,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:09,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:26:09,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:26:09,513 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) [2024-11-10 19:26:09,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-10 19:26:09,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:09,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 19:26:09,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:26:09,716 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:26:09,717 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:26:09,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:26:09,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99651959] [2024-11-10 19:26:09,898 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:26:09,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [991573516] [2024-11-10 19:26:09,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [991573516] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:26:09,898 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:26:09,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-10 19:26:09,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143013041] [2024-11-10 19:26:09,898 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:26:09,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:26:09,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:26:09,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:26:09,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:26:09,899 INFO L87 Difference]: Start difference. First operand 401 states and 514 transitions. Second operand has 9 states, 8 states have (on average 4.75) internal successors, (38), 9 states have internal predecessors, (38), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:26:10,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:26:10,564 INFO L93 Difference]: Finished difference Result 477 states and 630 transitions. [2024-11-10 19:26:10,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:26:10,565 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 9 states have internal predecessors, (38), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 49 [2024-11-10 19:26:10,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:26:10,567 INFO L225 Difference]: With dead ends: 477 [2024-11-10 19:26:10,567 INFO L226 Difference]: Without dead ends: 467 [2024-11-10 19:26:10,567 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:26:10,568 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 169 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:26:10,568 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 183 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:26:10,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2024-11-10 19:26:10,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 429. [2024-11-10 19:26:10,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 379 states have (on average 1.3746701846965699) internal successors, (521), 411 states have internal predecessors, (521), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-10 19:26:10,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 551 transitions. [2024-11-10 19:26:10,592 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 551 transitions. Word has length 49 [2024-11-10 19:26:10,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:26:10,592 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 551 transitions. [2024-11-10 19:26:10,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 9 states have internal predecessors, (38), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:26:10,593 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 551 transitions. [2024-11-10 19:26:10,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-10 19:26:10,593 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:26:10,593 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:26:10,611 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-10 19:26:10,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:26:10,798 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:26:10,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:26:10,798 INFO L85 PathProgramCache]: Analyzing trace with hash -563334857, now seen corresponding path program 1 times [2024-11-10 19:26:10,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:26:10,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932240375] [2024-11-10 19:26:10,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:10,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:26:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:26:10,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [693523538] [2024-11-10 19:26:10,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:10,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:26:10,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:26:10,823 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) [2024-11-10 19:26:10,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-10 19:26:10,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:10,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:26:10,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:26:11,019 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:26:11,019 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:26:11,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:26:11,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932240375] [2024-11-10 19:26:11,020 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:26:11,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [693523538] [2024-11-10 19:26:11,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [693523538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:26:11,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:26:11,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 19:26:11,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440989814] [2024-11-10 19:26:11,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:26:11,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:26:11,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:26:11,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:26:11,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:26:11,021 INFO L87 Difference]: Start difference. First operand 429 states and 551 transitions. Second operand has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:26:11,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:26:11,705 INFO L93 Difference]: Finished difference Result 523 states and 681 transitions. [2024-11-10 19:26:11,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:26:11,705 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 49 [2024-11-10 19:26:11,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:26:11,707 INFO L225 Difference]: With dead ends: 523 [2024-11-10 19:26:11,707 INFO L226 Difference]: Without dead ends: 519 [2024-11-10 19:26:11,707 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:26:11,708 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 275 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:26:11,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 95 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:26:11,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2024-11-10 19:26:11,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 486. [2024-11-10 19:26:11,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 434 states have (on average 1.3778801843317972) internal successors, (598), 466 states have internal predecessors, (598), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 19:26:11,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 632 transitions. [2024-11-10 19:26:11,728 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 632 transitions. Word has length 49 [2024-11-10 19:26:11,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:26:11,729 INFO L471 AbstractCegarLoop]: Abstraction has 486 states and 632 transitions. [2024-11-10 19:26:11,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:26:11,729 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 632 transitions. [2024-11-10 19:26:11,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-10 19:26:11,729 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:26:11,730 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-10 19:26:11,746 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-10 19:26:11,930 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,SelfDestructingSolverStorable20 [2024-11-10 19:26:11,931 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:26:11,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:26:11,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1163405353, now seen corresponding path program 1 times [2024-11-10 19:26:11,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:26:11,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346495413] [2024-11-10 19:26:11,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:11,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:26:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:26:11,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1684401092] [2024-11-10 19:26:11,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:11,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:26:11,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:26:11,956 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) [2024-11-10 19:26:11,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-10 19:26:11,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:12,001 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-10 19:26:12,002 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:26:12,268 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:26:12,268 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:26:36,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:26:36,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346495413] [2024-11-10 19:26:36,132 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:26:36,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1684401092] [2024-11-10 19:26:36,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1684401092] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:26:36,132 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:26:36,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-10 19:26:36,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343639176] [2024-11-10 19:26:36,132 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:26:36,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:26:36,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:26:36,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:26:36,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=194, Unknown=5, NotChecked=0, Total=272 [2024-11-10 19:26:36,133 INFO L87 Difference]: Start difference. First operand 486 states and 632 transitions. Second operand has 11 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:26:36,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:26:36,792 INFO L93 Difference]: Finished difference Result 533 states and 693 transitions. [2024-11-10 19:26:36,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 19:26:36,795 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 50 [2024-11-10 19:26:36,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:26:36,797 INFO L225 Difference]: With dead ends: 533 [2024-11-10 19:26:36,797 INFO L226 Difference]: Without dead ends: 530 [2024-11-10 19:26:36,797 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 21.5s TimeCoverageRelationStatistics Valid=183, Invalid=364, Unknown=5, NotChecked=0, Total=552 [2024-11-10 19:26:36,798 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 355 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 692 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:26:36,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 230 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 692 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:26:36,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2024-11-10 19:26:36,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 486. [2024-11-10 19:26:36,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 434 states have (on average 1.3617511520737327) internal successors, (591), 466 states have internal predecessors, (591), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 19:26:36,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 625 transitions. [2024-11-10 19:26:36,824 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 625 transitions. Word has length 50 [2024-11-10 19:26:36,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:26:36,824 INFO L471 AbstractCegarLoop]: Abstraction has 486 states and 625 transitions. [2024-11-10 19:26:36,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:26:36,824 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 625 transitions. [2024-11-10 19:26:36,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-10 19:26:36,825 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:26:36,825 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:26:36,842 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-10 19:26:37,029 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,SelfDestructingSolverStorable21 [2024-11-10 19:26:37,030 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:26:37,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:26:37,030 INFO L85 PathProgramCache]: Analyzing trace with hash -283511352, now seen corresponding path program 1 times [2024-11-10 19:26:37,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:26:37,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063319103] [2024-11-10 19:26:37,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:37,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:26:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:26:37,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1218840788] [2024-11-10 19:26:37,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:37,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:26:37,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:26:37,061 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) [2024-11-10 19:26:37,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-10 19:26:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:37,110 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:26:37,111 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:26:37,272 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:26:37,272 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:26:37,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:26:37,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063319103] [2024-11-10 19:26:37,273 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:26:37,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1218840788] [2024-11-10 19:26:37,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1218840788] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:26:37,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:26:37,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 19:26:37,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852668923] [2024-11-10 19:26:37,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:26:37,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:26:37,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:26:37,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:26:37,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:26:37,275 INFO L87 Difference]: Start difference. First operand 486 states and 625 transitions. Second operand has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:26:37,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:26:37,731 INFO L93 Difference]: Finished difference Result 520 states and 666 transitions. [2024-11-10 19:26:37,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:26:37,731 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 50 [2024-11-10 19:26:37,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:26:37,732 INFO L225 Difference]: With dead ends: 520 [2024-11-10 19:26:37,732 INFO L226 Difference]: Without dead ends: 519 [2024-11-10 19:26:37,733 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:26:37,733 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 468 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:26:37,734 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [470 Valid, 85 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:26:37,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2024-11-10 19:26:37,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 486. [2024-11-10 19:26:37,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 434 states have (on average 1.3571428571428572) internal successors, (589), 466 states have internal predecessors, (589), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 19:26:37,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 623 transitions. [2024-11-10 19:26:37,753 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 623 transitions. Word has length 50 [2024-11-10 19:26:37,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:26:37,754 INFO L471 AbstractCegarLoop]: Abstraction has 486 states and 623 transitions. [2024-11-10 19:26:37,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:26:37,754 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 623 transitions. [2024-11-10 19:26:37,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-10 19:26:37,755 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:26:37,755 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:26:37,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-10 19:26:37,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:26:37,956 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:26:37,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:26:37,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1705827645, now seen corresponding path program 1 times [2024-11-10 19:26:37,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:26:37,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318178068] [2024-11-10 19:26:37,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:37,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:26:37,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:26:37,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [966339164] [2024-11-10 19:26:37,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:37,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:26:37,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:26:37,971 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) [2024-11-10 19:26:37,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-10 19:26:38,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:38,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-10 19:26:38,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:26:38,466 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:26:38,467 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:26:40,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:26:40,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318178068] [2024-11-10 19:26:40,316 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:26:40,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966339164] [2024-11-10 19:26:40,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [966339164] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:26:40,316 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:26:40,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-10 19:26:40,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960803125] [2024-11-10 19:26:40,317 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:26:40,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 19:26:40,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:26:40,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 19:26:40,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2024-11-10 19:26:40,317 INFO L87 Difference]: Start difference. First operand 486 states and 623 transitions. Second operand has 13 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:26:41,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:26:41,600 INFO L93 Difference]: Finished difference Result 551 states and 699 transitions. [2024-11-10 19:26:41,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 19:26:41,601 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 51 [2024-11-10 19:26:41,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:26:41,602 INFO L225 Difference]: With dead ends: 551 [2024-11-10 19:26:41,602 INFO L226 Difference]: Without dead ends: 546 [2024-11-10 19:26:41,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2024-11-10 19:26:41,603 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 351 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 721 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:26:41,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 270 Invalid, 734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 721 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 19:26:41,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2024-11-10 19:26:41,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 515. [2024-11-10 19:26:41,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 462 states have (on average 1.344155844155844) internal successors, (621), 494 states have internal predecessors, (621), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-10 19:26:41,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 657 transitions. [2024-11-10 19:26:41,626 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 657 transitions. Word has length 51 [2024-11-10 19:26:41,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:26:41,627 INFO L471 AbstractCegarLoop]: Abstraction has 515 states and 657 transitions. [2024-11-10 19:26:41,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:26:41,627 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 657 transitions. [2024-11-10 19:26:41,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-10 19:26:41,628 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:26:41,628 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-10 19:26:41,645 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-10 19:26:41,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:26:41,828 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:26:41,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:26:41,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1372342048, now seen corresponding path program 1 times [2024-11-10 19:26:41,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:26:41,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830040744] [2024-11-10 19:26:41,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:41,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:26:41,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:26:41,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1484166022] [2024-11-10 19:26:41,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:41,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:26:41,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:26:41,848 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) [2024-11-10 19:26:41,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-10 19:26:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:41,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-10 19:26:41,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:26:42,084 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:26:42,084 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:26:42,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:26:42,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830040744] [2024-11-10 19:26:42,429 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:26:42,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1484166022] [2024-11-10 19:26:42,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1484166022] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:26:42,429 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:26:42,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-10 19:26:42,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777001972] [2024-11-10 19:26:42,430 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:26:42,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:26:42,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:26:42,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:26:42,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:26:42,431 INFO L87 Difference]: Start difference. First operand 515 states and 657 transitions. Second operand has 9 states, 8 states have (on average 5.0) internal successors, (40), 9 states have internal predecessors, (40), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:26:43,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:26:43,167 INFO L93 Difference]: Finished difference Result 559 states and 715 transitions. [2024-11-10 19:26:43,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:26:43,168 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.0) internal successors, (40), 9 states have internal predecessors, (40), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 51 [2024-11-10 19:26:43,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:26:43,169 INFO L225 Difference]: With dead ends: 559 [2024-11-10 19:26:43,169 INFO L226 Difference]: Without dead ends: 556 [2024-11-10 19:26:43,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:26:43,170 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 159 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:26:43,170 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 132 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:26:43,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2024-11-10 19:26:43,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 513. [2024-11-10 19:26:43,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 462 states have (on average 1.3203463203463204) internal successors, (610), 492 states have internal predecessors, (610), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-10 19:26:43,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 646 transitions. [2024-11-10 19:26:43,191 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 646 transitions. Word has length 51 [2024-11-10 19:26:43,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:26:43,191 INFO L471 AbstractCegarLoop]: Abstraction has 513 states and 646 transitions. [2024-11-10 19:26:43,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.0) internal successors, (40), 9 states have internal predecessors, (40), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:26:43,192 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 646 transitions. [2024-11-10 19:26:43,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-10 19:26:43,195 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:26:43,196 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:26:43,211 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-10 19:26:43,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-10 19:26:43,396 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:26:43,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:26:43,397 INFO L85 PathProgramCache]: Analyzing trace with hash -198917291, now seen corresponding path program 1 times [2024-11-10 19:26:43,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:26:43,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820337580] [2024-11-10 19:26:43,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:43,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:26:43,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:43,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:26:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:43,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:26:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:43,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:26:43,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:43,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 19:26:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:43,516 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:26:43,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:26:43,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820337580] [2024-11-10 19:26:43,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820337580] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:26:43,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:26:43,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:26:43,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686710373] [2024-11-10 19:26:43,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:26:43,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:26:43,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:26:43,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:26:43,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:26:43,520 INFO L87 Difference]: Start difference. First operand 513 states and 646 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:26:43,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:26:43,950 INFO L93 Difference]: Finished difference Result 544 states and 674 transitions. [2024-11-10 19:26:43,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:26:43,951 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2024-11-10 19:26:43,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:26:43,952 INFO L225 Difference]: With dead ends: 544 [2024-11-10 19:26:43,952 INFO L226 Difference]: Without dead ends: 543 [2024-11-10 19:26:43,952 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:26:43,953 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 41 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:26:43,953 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 192 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:26:43,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-11-10 19:26:43,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 526. [2024-11-10 19:26:43,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 475 states have (on average 1.3242105263157895) internal successors, (629), 505 states have internal predecessors, (629), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-10 19:26:43,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 665 transitions. [2024-11-10 19:26:43,978 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 665 transitions. Word has length 51 [2024-11-10 19:26:43,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:26:43,979 INFO L471 AbstractCegarLoop]: Abstraction has 526 states and 665 transitions. [2024-11-10 19:26:43,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:26:43,979 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 665 transitions. [2024-11-10 19:26:43,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-10 19:26:43,979 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:26:43,980 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:26:43,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-10 19:26:43,981 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:26:43,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:26:43,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1440794194, now seen corresponding path program 1 times [2024-11-10 19:26:43,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:26:43,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478479815] [2024-11-10 19:26:43,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:43,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:26:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:26:43,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1759320644] [2024-11-10 19:26:43,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:43,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:26:43,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:26:43,998 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:26:44,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-10 19:26:44,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:44,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 19:26:44,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:26:44,201 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:26:44,201 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:26:44,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:26:44,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478479815] [2024-11-10 19:26:44,201 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:26:44,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1759320644] [2024-11-10 19:26:44,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1759320644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:26:44,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:26:44,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 19:26:44,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433034082] [2024-11-10 19:26:44,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:26:44,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:26:44,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:26:44,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:26:44,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:26:44,203 INFO L87 Difference]: Start difference. First operand 526 states and 665 transitions. Second operand has 8 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:26:44,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:26:44,602 INFO L93 Difference]: Finished difference Result 534 states and 671 transitions. [2024-11-10 19:26:44,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:26:44,602 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2024-11-10 19:26:44,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:26:44,604 INFO L225 Difference]: With dead ends: 534 [2024-11-10 19:26:44,604 INFO L226 Difference]: Without dead ends: 532 [2024-11-10 19:26:44,604 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:26:44,605 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 202 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:26:44,605 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 293 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:26:44,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2024-11-10 19:26:44,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 526. [2024-11-10 19:26:44,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 475 states have (on average 1.32) internal successors, (627), 505 states have internal predecessors, (627), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-10 19:26:44,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 663 transitions. [2024-11-10 19:26:44,625 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 663 transitions. Word has length 52 [2024-11-10 19:26:44,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:26:44,625 INFO L471 AbstractCegarLoop]: Abstraction has 526 states and 663 transitions. [2024-11-10 19:26:44,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:26:44,626 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 663 transitions. [2024-11-10 19:26:44,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-10 19:26:44,627 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:26:44,627 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-10 19:26:44,642 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-10 19:26:44,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-10 19:26:44,828 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:26:44,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:26:44,828 INFO L85 PathProgramCache]: Analyzing trace with hash 407069542, now seen corresponding path program 1 times [2024-11-10 19:26:44,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:26:44,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609960116] [2024-11-10 19:26:44,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:44,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:26:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:26:44,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1351110788] [2024-11-10 19:26:44,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:44,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:26:44,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:26:44,841 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:26:44,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-10 19:26:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:44,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-10 19:26:44,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:26:45,724 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:26:45,725 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:26:48,642 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:26:48,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:26:48,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609960116] [2024-11-10 19:26:48,643 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:26:48,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1351110788] [2024-11-10 19:26:48,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1351110788] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-10 19:26:48,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:26:48,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 18 [2024-11-10 19:26:48,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256233037] [2024-11-10 19:26:48,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:26:48,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:26:48,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:26:48,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:26:48,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2024-11-10 19:26:48,644 INFO L87 Difference]: Start difference. First operand 526 states and 663 transitions. Second operand has 9 states, 8 states have (on average 4.75) internal successors, (38), 9 states have internal predecessors, (38), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:26:55,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:26:57,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:26:57,422 INFO L93 Difference]: Finished difference Result 527 states and 663 transitions. [2024-11-10 19:26:57,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:26:57,422 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 9 states have internal predecessors, (38), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2024-11-10 19:26:57,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:26:57,424 INFO L225 Difference]: With dead ends: 527 [2024-11-10 19:26:57,424 INFO L226 Difference]: Without dead ends: 526 [2024-11-10 19:26:57,424 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2024-11-10 19:26:57,424 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 53 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:26:57,425 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 180 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 316 Invalid, 1 Unknown, 0 Unchecked, 8.6s Time] [2024-11-10 19:26:57,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2024-11-10 19:26:57,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2024-11-10 19:26:57,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 475 states have (on average 1.3094736842105263) internal successors, (622), 505 states have internal predecessors, (622), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-10 19:26:57,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 658 transitions. [2024-11-10 19:26:57,446 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 658 transitions. Word has length 52 [2024-11-10 19:26:57,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:26:57,446 INFO L471 AbstractCegarLoop]: Abstraction has 526 states and 658 transitions. [2024-11-10 19:26:57,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 9 states have internal predecessors, (38), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:26:57,446 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 658 transitions. [2024-11-10 19:26:57,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-10 19:26:57,447 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:26:57,447 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:26:57,464 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-10 19:26:57,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-10 19:26:57,648 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:26:57,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:26:57,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1871468698, now seen corresponding path program 1 times [2024-11-10 19:26:57,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:26:57,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229298467] [2024-11-10 19:26:57,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:57,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:26:57,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:57,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:26:57,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:57,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:26:57,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:57,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:26:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:57,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 19:26:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:57,719 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:26:57,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:26:57,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229298467] [2024-11-10 19:26:57,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229298467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:26:57,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:26:57,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:26:57,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546307026] [2024-11-10 19:26:57,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:26:57,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:26:57,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:26:57,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:26:57,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:26:57,722 INFO L87 Difference]: Start difference. First operand 526 states and 658 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:26:58,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:26:58,568 INFO L93 Difference]: Finished difference Result 544 states and 665 transitions. [2024-11-10 19:26:58,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:26:58,569 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2024-11-10 19:26:58,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:26:58,571 INFO L225 Difference]: With dead ends: 544 [2024-11-10 19:26:58,571 INFO L226 Difference]: Without dead ends: 543 [2024-11-10 19:26:58,571 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:26:58,572 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 38 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:26:58,572 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 217 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 19:26:58,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-11-10 19:26:58,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 527. [2024-11-10 19:26:58,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 476 states have (on average 1.3067226890756303) internal successors, (622), 506 states have internal predecessors, (622), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-10 19:26:58,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 658 transitions. [2024-11-10 19:26:58,594 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 658 transitions. Word has length 52 [2024-11-10 19:26:58,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:26:58,594 INFO L471 AbstractCegarLoop]: Abstraction has 527 states and 658 transitions. [2024-11-10 19:26:58,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:26:58,594 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 658 transitions. [2024-11-10 19:26:58,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-10 19:26:58,595 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:26:58,595 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-10 19:26:58,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-10 19:26:58,595 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:26:58,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:26:58,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1714946988, now seen corresponding path program 1 times [2024-11-10 19:26:58,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:26:58,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353349655] [2024-11-10 19:26:58,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:58,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:26:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:26:58,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1432905499] [2024-11-10 19:26:58,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:26:58,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:26:58,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:26:58,609 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:26:58,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-10 19:26:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:26:58,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-10 19:26:58,653 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:26:59,250 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:26:59,250 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:27:00,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:27:00,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353349655] [2024-11-10 19:27:00,085 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:27:00,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1432905499] [2024-11-10 19:27:00,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1432905499] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:27:00,085 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:27:00,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-10 19:27:00,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488964541] [2024-11-10 19:27:00,085 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:27:00,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:27:00,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:27:00,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:27:00,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:27:00,086 INFO L87 Difference]: Start difference. First operand 527 states and 658 transitions. Second operand has 11 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:27:00,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:27:00,879 INFO L93 Difference]: Finished difference Result 845 states and 1057 transitions. [2024-11-10 19:27:00,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 19:27:00,879 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 53 [2024-11-10 19:27:00,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:27:00,880 INFO L225 Difference]: With dead ends: 845 [2024-11-10 19:27:00,881 INFO L226 Difference]: Without dead ends: 523 [2024-11-10 19:27:00,881 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-10 19:27:00,882 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 166 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 608 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:27:00,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 271 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 608 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:27:00,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2024-11-10 19:27:00,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 520. [2024-11-10 19:27:00,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 469 states have (on average 1.304904051172708) internal successors, (612), 499 states have internal predecessors, (612), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-10 19:27:00,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 648 transitions. [2024-11-10 19:27:00,904 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 648 transitions. Word has length 53 [2024-11-10 19:27:00,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:27:00,904 INFO L471 AbstractCegarLoop]: Abstraction has 520 states and 648 transitions. [2024-11-10 19:27:00,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:27:00,904 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 648 transitions. [2024-11-10 19:27:00,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-10 19:27:00,905 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:27:00,905 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:27:00,922 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-10 19:27:01,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:27:01,110 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:27:01,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:27:01,110 INFO L85 PathProgramCache]: Analyzing trace with hash -265746018, now seen corresponding path program 1 times [2024-11-10 19:27:01,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:27:01,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272656188] [2024-11-10 19:27:01,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:27:01,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:27:01,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:27:01,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2003999393] [2024-11-10 19:27:01,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:27:01,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:27:01,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:27:01,130 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:27:01,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-10 19:27:01,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:27:01,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 19:27:01,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:27:01,454 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:27:01,454 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:27:02,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:27:02,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272656188] [2024-11-10 19:27:02,315 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:27:02,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003999393] [2024-11-10 19:27:02,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003999393] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:27:02,315 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:27:02,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-10 19:27:02,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950919654] [2024-11-10 19:27:02,316 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:27:02,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:27:02,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:27:02,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:27:02,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:27:02,317 INFO L87 Difference]: Start difference. First operand 520 states and 648 transitions. Second operand has 8 states, 7 states have (on average 6.0) internal successors, (42), 8 states have internal predecessors, (42), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:27:02,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:27:02,767 INFO L93 Difference]: Finished difference Result 530 states and 656 transitions. [2024-11-10 19:27:02,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:27:02,768 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.0) internal successors, (42), 8 states have internal predecessors, (42), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 53 [2024-11-10 19:27:02,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:27:02,769 INFO L225 Difference]: With dead ends: 530 [2024-11-10 19:27:02,769 INFO L226 Difference]: Without dead ends: 528 [2024-11-10 19:27:02,770 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:27:02,770 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 200 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:27:02,770 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 269 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:27:02,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2024-11-10 19:27:02,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 520. [2024-11-10 19:27:02,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 469 states have (on average 1.300639658848614) internal successors, (610), 499 states have internal predecessors, (610), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-10 19:27:02,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 646 transitions. [2024-11-10 19:27:02,796 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 646 transitions. Word has length 53 [2024-11-10 19:27:02,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:27:02,797 INFO L471 AbstractCegarLoop]: Abstraction has 520 states and 646 transitions. [2024-11-10 19:27:02,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.0) internal successors, (42), 8 states have internal predecessors, (42), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:27:02,797 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 646 transitions. [2024-11-10 19:27:02,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-10 19:27:02,797 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:27:02,798 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:27:02,815 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-10 19:27:03,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-11-10 19:27:03,002 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:27:03,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:27:03,002 INFO L85 PathProgramCache]: Analyzing trace with hash 351808100, now seen corresponding path program 1 times [2024-11-10 19:27:03,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:27:03,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084206584] [2024-11-10 19:27:03,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:27:03,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:27:03,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:27:03,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [827461385] [2024-11-10 19:27:03,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:27:03,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:27:03,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:27:03,021 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:27:03,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-10 19:27:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:27:03,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-10 19:27:03,067 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:27:03,467 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:27:03,467 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:27:04,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:27:04,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084206584] [2024-11-10 19:27:04,131 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:27:04,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [827461385] [2024-11-10 19:27:04,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [827461385] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:27:04,131 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:27:04,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-10 19:27:04,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571349527] [2024-11-10 19:27:04,131 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:27:04,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:27:04,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:27:04,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:27:04,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-11-10 19:27:04,132 INFO L87 Difference]: Start difference. First operand 520 states and 646 transitions. Second operand has 9 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:27:04,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:27:04,931 INFO L93 Difference]: Finished difference Result 549 states and 679 transitions. [2024-11-10 19:27:04,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:27:04,931 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 54 [2024-11-10 19:27:04,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:27:04,933 INFO L225 Difference]: With dead ends: 549 [2024-11-10 19:27:04,933 INFO L226 Difference]: Without dead ends: 548 [2024-11-10 19:27:04,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2024-11-10 19:27:04,934 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 167 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:27:04,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 278 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:27:04,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2024-11-10 19:27:04,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 529. [2024-11-10 19:27:04,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 478 states have (on average 1.294979079497908) internal successors, (619), 508 states have internal predecessors, (619), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-10 19:27:04,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 655 transitions. [2024-11-10 19:27:04,966 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 655 transitions. Word has length 54 [2024-11-10 19:27:04,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:27:04,966 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 655 transitions. [2024-11-10 19:27:04,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:27:04,967 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 655 transitions. [2024-11-10 19:27:04,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-10 19:27:04,967 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:27:04,967 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:27:04,984 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-10 19:27:05,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:27:05,171 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:27:05,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:27:05,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1441958969, now seen corresponding path program 1 times [2024-11-10 19:27:05,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:27:05,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079537448] [2024-11-10 19:27:05,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:27:05,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:27:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:27:05,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1922407100] [2024-11-10 19:27:05,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:27:05,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:27:05,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:27:05,187 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:27:05,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-10 19:27:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:27:05,235 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-10 19:27:05,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:27:05,495 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:27:05,495 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:27:05,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:27:05,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079537448] [2024-11-10 19:27:05,708 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:27:05,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1922407100] [2024-11-10 19:27:05,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1922407100] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:27:05,708 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:27:05,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-10 19:27:05,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250344963] [2024-11-10 19:27:05,708 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:27:05,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:27:05,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:27:05,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:27:05,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:27:05,709 INFO L87 Difference]: Start difference. First operand 529 states and 655 transitions. Second operand has 9 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:27:06,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:27:06,141 INFO L93 Difference]: Finished difference Result 573 states and 723 transitions. [2024-11-10 19:27:06,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:27:06,142 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 56 [2024-11-10 19:27:06,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:27:06,144 INFO L225 Difference]: With dead ends: 573 [2024-11-10 19:27:06,144 INFO L226 Difference]: Without dead ends: 559 [2024-11-10 19:27:06,145 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:27:06,145 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 259 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:27:06,146 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 93 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:27:06,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2024-11-10 19:27:06,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 479. [2024-11-10 19:27:06,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 439 states have (on average 1.246013667425968) internal successors, (547), 463 states have internal predecessors, (547), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-10 19:27:06,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 573 transitions. [2024-11-10 19:27:06,176 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 573 transitions. Word has length 56 [2024-11-10 19:27:06,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:27:06,176 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 573 transitions. [2024-11-10 19:27:06,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:27:06,176 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 573 transitions. [2024-11-10 19:27:06,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-10 19:27:06,178 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:27:06,178 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-10 19:27:06,196 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-10 19:27:06,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:27:06,379 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:27:06,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:27:06,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1751055153, now seen corresponding path program 1 times [2024-11-10 19:27:06,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:27:06,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326071353] [2024-11-10 19:27:06,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:27:06,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:27:06,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:27:06,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [469554333] [2024-11-10 19:27:06,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:27:06,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:27:06,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:27:06,397 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:27:06,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-10 19:27:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:27:06,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-10 19:27:06,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:27:07,381 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:27:07,381 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:27:08,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:27:08,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326071353] [2024-11-10 19:27:08,006 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:27:08,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469554333] [2024-11-10 19:27:08,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469554333] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:27:08,006 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:27:08,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-10 19:27:08,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793164884] [2024-11-10 19:27:08,006 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:27:08,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:27:08,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:27:08,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:27:08,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2024-11-10 19:27:08,007 INFO L87 Difference]: Start difference. First operand 479 states and 573 transitions. Second operand has 11 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:27:09,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:27:09,625 INFO L93 Difference]: Finished difference Result 567 states and 695 transitions. [2024-11-10 19:27:09,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 19:27:09,626 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 57 [2024-11-10 19:27:09,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:27:09,627 INFO L225 Difference]: With dead ends: 567 [2024-11-10 19:27:09,627 INFO L226 Difference]: Without dead ends: 563 [2024-11-10 19:27:09,628 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2024-11-10 19:27:09,628 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 346 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:27:09,628 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 101 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-10 19:27:09,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2024-11-10 19:27:09,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 461. [2024-11-10 19:27:09,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 425 states have (on average 1.228235294117647) internal successors, (522), 445 states have internal predecessors, (522), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-10 19:27:09,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 548 transitions. [2024-11-10 19:27:09,652 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 548 transitions. Word has length 57 [2024-11-10 19:27:09,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:27:09,652 INFO L471 AbstractCegarLoop]: Abstraction has 461 states and 548 transitions. [2024-11-10 19:27:09,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:27:09,652 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 548 transitions. [2024-11-10 19:27:09,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-10 19:27:09,653 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:27:09,653 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-10 19:27:09,665 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-10 19:27:09,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:27:09,853 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 19:27:09,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:27:09,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1551865033, now seen corresponding path program 1 times [2024-11-10 19:27:09,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:27:09,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685705993] [2024-11-10 19:27:09,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:27:09,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:27:09,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:27:09,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1537134361] [2024-11-10 19:27:09,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:27:09,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:27:09,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:27:09,867 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:27:09,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-10 19:27:09,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:27:09,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-10 19:27:09,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:27:10,246 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:27:10,246 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:27:10,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:27:10,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685705993] [2024-11-10 19:27:10,675 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:27:10,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1537134361] [2024-11-10 19:27:10,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1537134361] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:27:10,675 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:27:10,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-10 19:27:10,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981831823] [2024-11-10 19:27:10,675 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:27:10,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:27:10,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:27:10,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:27:10,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:27:10,676 INFO L87 Difference]: Start difference. First operand 461 states and 548 transitions. Second operand has 9 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4)