./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound10.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/cohendiv-ll_valuebound10.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 881c8a19bc7d985c1c357993fa89c98038c14e3d30b81b5db0457e690440ac95 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 19:03:11,090 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 19:03:11,150 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 19:03:11,169 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 19:03:11,170 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 19:03:11,196 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 19:03:11,197 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 19:03:11,198 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 19:03:11,198 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 19:03:11,199 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 19:03:11,199 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 19:03:11,200 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 19:03:11,200 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 19:03:11,201 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 19:03:11,202 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 19:03:11,202 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 19:03:11,202 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 19:03:11,202 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 19:03:11,203 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 19:03:11,203 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 19:03:11,203 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 19:03:11,206 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 19:03:11,206 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 19:03:11,206 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 19:03:11,207 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 19:03:11,207 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 19:03:11,207 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 19:03:11,207 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 19:03:11,207 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 19:03:11,207 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 19:03:11,208 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 19:03:11,208 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 19:03:11,208 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 19:03:11,208 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 19:03:11,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:03:11,208 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 19:03:11,209 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 19:03:11,209 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 19:03:11,209 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 19:03:11,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 19:03:11,209 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 19:03:11,210 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 19:03:11,210 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 19:03:11,210 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 19:03:11,210 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 881c8a19bc7d985c1c357993fa89c98038c14e3d30b81b5db0457e690440ac95 [2024-11-10 19:03:11,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 19:03:11,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 19:03:11,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 19:03:11,426 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 19:03:11,426 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 19:03:11,427 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound10.c [2024-11-10 19:03:12,640 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 19:03:12,771 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 19:03:12,771 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound10.c [2024-11-10 19:03:12,777 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fff1df7b/af62a67dde3b41b19874cd82dc901316/FLAGd9991c2af [2024-11-10 19:03:13,191 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fff1df7b/af62a67dde3b41b19874cd82dc901316 [2024-11-10 19:03:13,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 19:03:13,194 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 19:03:13,195 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 19:03:13,195 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 19:03:13,200 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 19:03:13,200 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:03:13" (1/1) ... [2024-11-10 19:03:13,201 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2210f8f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:13, skipping insertion in model container [2024-11-10 19:03:13,201 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:03:13" (1/1) ... [2024-11-10 19:03:13,214 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 19:03:13,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:03:13,367 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 19:03:13,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:03:13,397 INFO L204 MainTranslator]: Completed translation [2024-11-10 19:03:13,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:13 WrapperNode [2024-11-10 19:03:13,398 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 19:03:13,398 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 19:03:13,398 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 19:03:13,398 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 19:03:13,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:13" (1/1) ... [2024-11-10 19:03:13,412 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:13" (1/1) ... [2024-11-10 19:03:13,430 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 91 [2024-11-10 19:03:13,431 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 19:03:13,431 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 19:03:13,431 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 19:03:13,431 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 19:03:13,439 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:13" (1/1) ... [2024-11-10 19:03:13,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:13" (1/1) ... [2024-11-10 19:03:13,440 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:13" (1/1) ... [2024-11-10 19:03:13,449 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 19:03:13,449 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:13" (1/1) ... [2024-11-10 19:03:13,449 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:13" (1/1) ... [2024-11-10 19:03:13,451 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:13" (1/1) ... [2024-11-10 19:03:13,452 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:13" (1/1) ... [2024-11-10 19:03:13,453 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:13" (1/1) ... [2024-11-10 19:03:13,454 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:13" (1/1) ... [2024-11-10 19:03:13,455 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 19:03:13,456 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 19:03:13,456 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 19:03:13,456 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 19:03:13,457 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:13" (1/1) ... [2024-11-10 19:03:13,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:03:13,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:13,483 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 19:03:13,485 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 19:03:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 19:03:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 19:03:13,524 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 19:03:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 19:03:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 19:03:13,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 19:03:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 19:03:13,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 19:03:13,577 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 19:03:13,580 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 19:03:13,800 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2024-11-10 19:03:13,800 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 19:03:13,814 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 19:03:13,817 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 19:03:13,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:03:13 BoogieIcfgContainer [2024-11-10 19:03:13,817 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 19:03:13,819 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 19:03:13,820 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 19:03:13,822 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 19:03:13,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:03:13" (1/3) ... [2024-11-10 19:03:13,823 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@120fa329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:03:13, skipping insertion in model container [2024-11-10 19:03:13,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:03:13" (2/3) ... [2024-11-10 19:03:13,825 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@120fa329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:03:13, skipping insertion in model container [2024-11-10 19:03:13,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:03:13" (3/3) ... [2024-11-10 19:03:13,826 INFO L112 eAbstractionObserver]: Analyzing ICFG cohendiv-ll_valuebound10.c [2024-11-10 19:03:13,837 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 19:03:13,837 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2024-11-10 19:03:13,880 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 19:03:13,885 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;@6b2c2d2d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 19:03:13,885 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2024-11-10 19:03:13,893 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 55 states have (on average 1.690909090909091) internal successors, (93), 85 states have internal predecessors, (93), 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 19:03:13,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-10 19:03:13,904 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:13,904 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:13,905 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:13,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:13,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1835390679, now seen corresponding path program 1 times [2024-11-10 19:03:13,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:13,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609121136] [2024-11-10 19:03:13,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:13,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:13,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:14,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:03:14,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:14,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:03:14,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:14,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:03:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:14,038 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 19:03:14,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:14,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609121136] [2024-11-10 19:03:14,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609121136] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:14,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:14,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:03:14,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26153270] [2024-11-10 19:03:14,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:14,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 19:03:14,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:14,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 19:03:14,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:03:14,065 INFO L87 Difference]: Start difference. First operand has 98 states, 55 states have (on average 1.690909090909091) internal successors, (93), 85 states have internal predecessors, (93), 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) 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 19:03:14,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:14,083 INFO L93 Difference]: Finished difference Result 192 states and 231 transitions. [2024-11-10 19:03:14,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 19:03:14,085 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 19:03:14,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:14,089 INFO L225 Difference]: With dead ends: 192 [2024-11-10 19:03:14,090 INFO L226 Difference]: Without dead ends: 91 [2024-11-10 19:03:14,092 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 19:03:14,094 INFO L432 NwaCegarLoop]: 106 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, 106 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 19:03:14,095 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:03:14,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-10 19:03:14,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-11-10 19:03:14,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 50 states have (on average 1.62) internal successors, (81), 79 states have internal predecessors, (81), 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 19:03:14,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 99 transitions. [2024-11-10 19:03:14,123 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 99 transitions. Word has length 21 [2024-11-10 19:03:14,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:14,123 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 99 transitions. [2024-11-10 19:03:14,123 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 19:03:14,124 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 99 transitions. [2024-11-10 19:03:14,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-10 19:03:14,124 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:14,125 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:14,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 19:03:14,125 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:14,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:14,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1043020738, now seen corresponding path program 1 times [2024-11-10 19:03:14,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:14,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171537322] [2024-11-10 19:03:14,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:14,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:14,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:14,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1972229651] [2024-11-10 19:03:14,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:14,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:14,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:14,191 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 19:03:14,198 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 19:03:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:14,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:03:14,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:14,291 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 19:03:14,291 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:03:14,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:14,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171537322] [2024-11-10 19:03:14,292 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:14,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1972229651] [2024-11-10 19:03:14,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1972229651] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:14,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:14,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:03:14,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654916024] [2024-11-10 19:03:14,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:14,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:03:14,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:14,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:03:14,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:03:14,296 INFO L87 Difference]: Start difference. First operand 91 states and 99 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 19:03:14,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:14,416 INFO L93 Difference]: Finished difference Result 116 states and 126 transitions. [2024-11-10 19:03:14,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:03:14,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 22 [2024-11-10 19:03:14,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:14,417 INFO L225 Difference]: With dead ends: 116 [2024-11-10 19:03:14,417 INFO L226 Difference]: Without dead ends: 114 [2024-11-10 19:03:14,418 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:03:14,418 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 18 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:14,419 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 171 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:03:14,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-10 19:03:14,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 95. [2024-11-10 19:03:14,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 54 states have (on average 1.5740740740740742) internal successors, (85), 83 states have internal predecessors, (85), 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 19:03:14,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 103 transitions. [2024-11-10 19:03:14,427 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 103 transitions. Word has length 22 [2024-11-10 19:03:14,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:14,428 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 103 transitions. [2024-11-10 19:03:14,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 19:03:14,428 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 103 transitions. [2024-11-10 19:03:14,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-10 19:03:14,429 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:14,429 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:14,440 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 19:03:14,630 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 19:03:14,631 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:14,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:14,631 INFO L85 PathProgramCache]: Analyzing trace with hash -974732738, now seen corresponding path program 1 times [2024-11-10 19:03:14,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:14,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041415440] [2024-11-10 19:03:14,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:14,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:14,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [58648881] [2024-11-10 19:03:14,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:14,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:14,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:14,665 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 19:03:14,666 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 19:03:14,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:14,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:03:14,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:14,743 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 19:03:14,744 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:03:14,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:14,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041415440] [2024-11-10 19:03:14,745 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:14,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [58648881] [2024-11-10 19:03:14,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [58648881] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:14,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:14,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:03:14,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651659834] [2024-11-10 19:03:14,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:14,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:03:14,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:14,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:03:14,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:03:14,748 INFO L87 Difference]: Start difference. First operand 95 states and 103 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 19:03:14,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:14,849 INFO L93 Difference]: Finished difference Result 157 states and 180 transitions. [2024-11-10 19:03:14,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:03:14,850 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 29 [2024-11-10 19:03:14,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:14,851 INFO L225 Difference]: With dead ends: 157 [2024-11-10 19:03:14,851 INFO L226 Difference]: Without dead ends: 151 [2024-11-10 19:03:14,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:03:14,852 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 50 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:14,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 146 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:03:14,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-10 19:03:14,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 129. [2024-11-10 19:03:14,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 82 states have (on average 1.5975609756097562) internal successors, (131), 111 states have internal predecessors, (131), 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 19:03:14,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 161 transitions. [2024-11-10 19:03:14,869 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 161 transitions. Word has length 29 [2024-11-10 19:03:14,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:14,871 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 161 transitions. [2024-11-10 19:03:14,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 19:03:14,872 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 161 transitions. [2024-11-10 19:03:14,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-10 19:03:14,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:14,872 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:14,884 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 19:03:15,072 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 19:03:15,074 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:15,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:15,074 INFO L85 PathProgramCache]: Analyzing trace with hash -415289252, now seen corresponding path program 1 times [2024-11-10 19:03:15,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:15,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770292415] [2024-11-10 19:03:15,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:15,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:15,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:03:15,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:15,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:03:15,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:15,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:03:15,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:15,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 19:03:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:15,272 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 19:03:15,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:15,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770292415] [2024-11-10 19:03:15,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770292415] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:15,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9610596] [2024-11-10 19:03:15,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:15,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:15,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:15,278 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 19:03:15,281 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 19:03:15,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:15,314 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:03:15,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:15,405 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 19:03:15,405 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:03:15,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9610596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:15,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:03:15,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-10 19:03:15,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358352344] [2024-11-10 19:03:15,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:15,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:03:15,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:15,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:03:15,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:03:15,407 INFO L87 Difference]: Start difference. First operand 129 states and 161 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 19:03:15,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:15,532 INFO L93 Difference]: Finished difference Result 149 states and 169 transitions. [2024-11-10 19:03:15,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:03:15,532 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 31 [2024-11-10 19:03:15,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:15,533 INFO L225 Difference]: With dead ends: 149 [2024-11-10 19:03:15,533 INFO L226 Difference]: Without dead ends: 146 [2024-11-10 19:03:15,533 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:03:15,534 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 170 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:15,534 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 151 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:03:15,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-10 19:03:15,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 130. [2024-11-10 19:03:15,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 83 states have (on average 1.5662650602409638) internal successors, (130), 112 states have internal predecessors, (130), 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 19:03:15,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 160 transitions. [2024-11-10 19:03:15,544 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 160 transitions. Word has length 31 [2024-11-10 19:03:15,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:15,544 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 160 transitions. [2024-11-10 19:03:15,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 19:03:15,544 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 160 transitions. [2024-11-10 19:03:15,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-10 19:03:15,545 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:15,545 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] [2024-11-10 19:03:15,557 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 19:03:15,745 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 19:03:15,746 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:15,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:15,746 INFO L85 PathProgramCache]: Analyzing trace with hash 10935117, now seen corresponding path program 1 times [2024-11-10 19:03:15,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:15,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681025100] [2024-11-10 19:03:15,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:15,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:15,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [589527567] [2024-11-10 19:03:15,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:15,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:15,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:15,767 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 19:03:15,768 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 19:03:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:15,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:03:15,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:15,875 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 19:03:15,875 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:03:15,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:15,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681025100] [2024-11-10 19:03:15,876 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:15,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [589527567] [2024-11-10 19:03:15,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [589527567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:15,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:15,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:03:15,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701126053] [2024-11-10 19:03:15,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:15,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:03:15,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:15,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:03:15,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:03:15,881 INFO L87 Difference]: Start difference. First operand 130 states and 160 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 19:03:16,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:16,004 INFO L93 Difference]: Finished difference Result 149 states and 166 transitions. [2024-11-10 19:03:16,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:03:16,004 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 32 [2024-11-10 19:03:16,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:16,005 INFO L225 Difference]: With dead ends: 149 [2024-11-10 19:03:16,005 INFO L226 Difference]: Without dead ends: 142 [2024-11-10 19:03:16,006 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 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 19:03:16,006 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 166 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:16,007 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 154 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:03:16,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-10 19:03:16,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 127. [2024-11-10 19:03:16,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 80 states have (on average 1.55) internal successors, (124), 109 states have internal predecessors, (124), 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 19:03:16,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 154 transitions. [2024-11-10 19:03:16,016 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 154 transitions. Word has length 32 [2024-11-10 19:03:16,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:16,017 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 154 transitions. [2024-11-10 19:03:16,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 19:03:16,017 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 154 transitions. [2024-11-10 19:03:16,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-10 19:03:16,017 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:16,017 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] [2024-11-10 19:03:16,034 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 19:03:16,221 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 19:03:16,221 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:16,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:16,222 INFO L85 PathProgramCache]: Analyzing trace with hash 411657548, now seen corresponding path program 1 times [2024-11-10 19:03:16,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:16,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775178139] [2024-11-10 19:03:16,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:16,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:16,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1780356729] [2024-11-10 19:03:16,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:16,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:16,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:16,239 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 19:03:16,240 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 19:03:16,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:16,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:03:16,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:16,320 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:03:16,320 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:03:16,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:16,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775178139] [2024-11-10 19:03:16,323 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:16,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780356729] [2024-11-10 19:03:16,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1780356729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:16,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:16,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:03:16,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390906878] [2024-11-10 19:03:16,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:16,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:03:16,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:16,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:03:16,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:03:16,325 INFO L87 Difference]: Start difference. First operand 127 states and 154 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:03:16,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:16,537 INFO L93 Difference]: Finished difference Result 201 states and 269 transitions. [2024-11-10 19:03:16,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:03:16,537 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 41 [2024-11-10 19:03:16,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:16,538 INFO L225 Difference]: With dead ends: 201 [2024-11-10 19:03:16,539 INFO L226 Difference]: Without dead ends: 196 [2024-11-10 19:03:16,539 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 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 19:03:16,539 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 113 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:16,540 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 95 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:03:16,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-10 19:03:16,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 178. [2024-11-10 19:03:16,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 123 states have (on average 1.5365853658536586) internal successors, (189), 152 states have internal predecessors, (189), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:03:16,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 235 transitions. [2024-11-10 19:03:16,556 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 235 transitions. Word has length 41 [2024-11-10 19:03:16,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:16,557 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 235 transitions. [2024-11-10 19:03:16,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:03:16,557 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 235 transitions. [2024-11-10 19:03:16,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-10 19:03:16,557 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:16,557 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] [2024-11-10 19:03:16,569 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-10 19:03:16,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:16,758 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:16,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:16,759 INFO L85 PathProgramCache]: Analyzing trace with hash -123517872, now seen corresponding path program 1 times [2024-11-10 19:03:16,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:16,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085820877] [2024-11-10 19:03:16,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:16,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:16,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:16,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1370533295] [2024-11-10 19:03:16,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:16,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:16,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:16,779 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 19:03:16,783 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 19:03:16,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:16,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:03:16,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:16,874 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:03:16,874 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:03:16,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:16,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085820877] [2024-11-10 19:03:16,874 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:16,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1370533295] [2024-11-10 19:03:16,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1370533295] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:16,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:16,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:03:16,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905853427] [2024-11-10 19:03:16,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:16,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:03:16,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:16,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:03:16,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:03:16,876 INFO L87 Difference]: Start difference. First operand 178 states and 235 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:03:17,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:17,019 INFO L93 Difference]: Finished difference Result 199 states and 260 transitions. [2024-11-10 19:03:17,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:03:17,020 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 42 [2024-11-10 19:03:17,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:17,022 INFO L225 Difference]: With dead ends: 199 [2024-11-10 19:03:17,022 INFO L226 Difference]: Without dead ends: 196 [2024-11-10 19:03:17,022 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 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 19:03:17,022 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 111 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:17,023 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 95 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:03:17,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-10 19:03:17,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 179. [2024-11-10 19:03:17,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 124 states have (on average 1.5) internal successors, (186), 153 states have internal predecessors, (186), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:03:17,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 232 transitions. [2024-11-10 19:03:17,038 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 232 transitions. Word has length 42 [2024-11-10 19:03:17,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:17,038 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 232 transitions. [2024-11-10 19:03:17,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:03:17,039 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 232 transitions. [2024-11-10 19:03:17,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-10 19:03:17,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:17,040 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-10 19:03:17,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-10 19:03:17,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:17,240 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:17,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:17,241 INFO L85 PathProgramCache]: Analyzing trace with hash -806627158, now seen corresponding path program 1 times [2024-11-10 19:03:17,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:17,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518104507] [2024-11-10 19:03:17,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:17,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:17,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:17,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:03:17,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:17,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:03:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:17,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:03:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:17,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 19:03:17,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:17,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:03:17,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:17,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:17,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:03:17,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:17,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:03:17,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:17,342 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-10 19:03:17,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:17,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518104507] [2024-11-10 19:03:17,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518104507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:17,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:17,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:03:17,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973790232] [2024-11-10 19:03:17,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:17,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:03:17,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:17,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:03:17,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:03:17,346 INFO L87 Difference]: Start difference. First operand 179 states and 232 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, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:03:17,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:17,689 INFO L93 Difference]: Finished difference Result 216 states and 265 transitions. [2024-11-10 19:03:17,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:03:17,689 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, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 62 [2024-11-10 19:03:17,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:17,691 INFO L225 Difference]: With dead ends: 216 [2024-11-10 19:03:17,691 INFO L226 Difference]: Without dead ends: 214 [2024-11-10 19:03:17,691 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 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 19:03:17,691 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 129 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:17,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 101 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:03:17,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-10 19:03:17,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 183. [2024-11-10 19:03:17,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 128 states have (on average 1.46875) internal successors, (188), 157 states have internal predecessors, (188), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:03:17,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 234 transitions. [2024-11-10 19:03:17,702 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 234 transitions. Word has length 62 [2024-11-10 19:03:17,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:17,702 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 234 transitions. [2024-11-10 19:03:17,702 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, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:03:17,702 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 234 transitions. [2024-11-10 19:03:17,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-10 19:03:17,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:17,703 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:17,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 19:03:17,703 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:17,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:17,703 INFO L85 PathProgramCache]: Analyzing trace with hash 764361891, now seen corresponding path program 1 times [2024-11-10 19:03:17,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:17,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323183865] [2024-11-10 19:03:17,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:17,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:17,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:03:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:17,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:03:17,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:17,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:03:17,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:17,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 19:03:17,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:17,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:03:17,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:17,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:17,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:17,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:03:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:17,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:03:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:17,759 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-10 19:03:17,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:17,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323183865] [2024-11-10 19:03:17,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323183865] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:17,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:17,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:03:17,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578950082] [2024-11-10 19:03:17,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:17,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:03:17,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:17,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:03:17,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:03:17,764 INFO L87 Difference]: Start difference. First operand 183 states and 234 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:03:17,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:17,881 INFO L93 Difference]: Finished difference Result 216 states and 261 transitions. [2024-11-10 19:03:17,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:03:17,881 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), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 63 [2024-11-10 19:03:17,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:17,882 INFO L225 Difference]: With dead ends: 216 [2024-11-10 19:03:17,882 INFO L226 Difference]: Without dead ends: 214 [2024-11-10 19:03:17,883 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 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 19:03:17,883 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 126 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:17,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 103 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:03:17,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-10 19:03:17,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 185. [2024-11-10 19:03:17,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 130 states have (on average 1.4461538461538461) internal successors, (188), 159 states have internal predecessors, (188), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:03:17,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 234 transitions. [2024-11-10 19:03:17,900 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 234 transitions. Word has length 63 [2024-11-10 19:03:17,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:17,901 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 234 transitions. [2024-11-10 19:03:17,901 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), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:03:17,901 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 234 transitions. [2024-11-10 19:03:17,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-10 19:03:17,901 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:17,902 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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 19:03:17,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 19:03:17,902 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:17,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:17,902 INFO L85 PathProgramCache]: Analyzing trace with hash 112369966, now seen corresponding path program 1 times [2024-11-10 19:03:17,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:17,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571924604] [2024-11-10 19:03:17,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:17,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:17,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:03:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:17,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:03:17,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:17,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:03:17,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:17,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 19:03:17,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:17,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:03:17,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:17,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:17,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:17,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:03:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:17,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:03:17,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:17,967 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-10 19:03:17,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:17,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571924604] [2024-11-10 19:03:17,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571924604] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:17,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:17,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:03:17,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617884302] [2024-11-10 19:03:17,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:17,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:03:17,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:17,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:03:17,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:03:17,969 INFO L87 Difference]: Start difference. First operand 185 states and 234 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:03:18,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:18,020 INFO L93 Difference]: Finished difference Result 192 states and 236 transitions. [2024-11-10 19:03:18,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:03:18,021 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 65 [2024-11-10 19:03:18,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:18,022 INFO L225 Difference]: With dead ends: 192 [2024-11-10 19:03:18,022 INFO L226 Difference]: Without dead ends: 191 [2024-11-10 19:03:18,022 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:03:18,022 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 16 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:18,023 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 152 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:03:18,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-10 19:03:18,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 185. [2024-11-10 19:03:18,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 130 states have (on average 1.4384615384615385) internal successors, (187), 159 states have internal predecessors, (187), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:03:18,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 233 transitions. [2024-11-10 19:03:18,039 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 233 transitions. Word has length 65 [2024-11-10 19:03:18,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:18,039 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 233 transitions. [2024-11-10 19:03:18,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:03:18,039 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 233 transitions. [2024-11-10 19:03:18,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-10 19:03:18,040 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:18,040 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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 19:03:18,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 19:03:18,040 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:18,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:18,041 INFO L85 PathProgramCache]: Analyzing trace with hash 112370016, now seen corresponding path program 1 times [2024-11-10 19:03:18,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:18,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270193706] [2024-11-10 19:03:18,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:18,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:18,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:18,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:03:18,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:18,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:03:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:18,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:03:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:18,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 19:03:18,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:18,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:03:18,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:18,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:18,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:18,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:03:18,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:18,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:03:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:18,139 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-10 19:03:18,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:18,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270193706] [2024-11-10 19:03:18,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270193706] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:18,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043382739] [2024-11-10 19:03:18,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:18,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:18,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:18,144 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 19:03:18,153 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 19:03:18,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:18,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:03:18,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:18,231 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-10 19:03:18,231 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:03:18,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1043382739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:18,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:03:18,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2024-11-10 19:03:18,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391572570] [2024-11-10 19:03:18,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:18,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:03:18,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:18,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:03:18,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:03:18,232 INFO L87 Difference]: Start difference. First operand 185 states and 233 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:03:18,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:18,310 INFO L93 Difference]: Finished difference Result 185 states and 233 transitions. [2024-11-10 19:03:18,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:03:18,311 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 65 [2024-11-10 19:03:18,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:18,312 INFO L225 Difference]: With dead ends: 185 [2024-11-10 19:03:18,312 INFO L226 Difference]: Without dead ends: 184 [2024-11-10 19:03:18,313 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:03:18,313 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 31 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:18,313 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 168 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:03:18,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-10 19:03:18,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2024-11-10 19:03:18,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 130 states have (on average 1.4076923076923078) internal successors, (183), 158 states have internal predecessors, (183), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:03:18,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 229 transitions. [2024-11-10 19:03:18,324 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 229 transitions. Word has length 65 [2024-11-10 19:03:18,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:18,325 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 229 transitions. [2024-11-10 19:03:18,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:03:18,325 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 229 transitions. [2024-11-10 19:03:18,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-10 19:03:18,326 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:18,326 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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 19:03:18,340 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-10 19:03:18,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:18,528 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:18,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:18,528 INFO L85 PathProgramCache]: Analyzing trace with hash -811498362, now seen corresponding path program 1 times [2024-11-10 19:03:18,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:18,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838807794] [2024-11-10 19:03:18,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:18,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:18,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:03:18,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:18,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:03:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:18,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:03:18,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:18,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 19:03:18,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:18,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:03:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:18,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:18,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:18,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:03:18,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:18,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:03:18,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:18,590 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-10 19:03:18,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:18,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838807794] [2024-11-10 19:03:18,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838807794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:18,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:18,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:03:18,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982768914] [2024-11-10 19:03:18,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:18,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:03:18,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:18,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:03:18,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:03:18,592 INFO L87 Difference]: Start difference. First operand 184 states and 229 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:03:18,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:18,652 INFO L93 Difference]: Finished difference Result 184 states and 229 transitions. [2024-11-10 19:03:18,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:03:18,652 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 66 [2024-11-10 19:03:18,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:18,653 INFO L225 Difference]: With dead ends: 184 [2024-11-10 19:03:18,653 INFO L226 Difference]: Without dead ends: 183 [2024-11-10 19:03:18,654 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:03:18,655 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 113 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:18,655 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 174 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:03:18,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-10 19:03:18,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2024-11-10 19:03:18,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 130 states have (on average 1.3923076923076922) internal successors, (181), 157 states have internal predecessors, (181), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:03:18,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 227 transitions. [2024-11-10 19:03:18,663 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 227 transitions. Word has length 66 [2024-11-10 19:03:18,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:18,663 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 227 transitions. [2024-11-10 19:03:18,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:03:18,664 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 227 transitions. [2024-11-10 19:03:18,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-10 19:03:18,665 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:18,665 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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 19:03:18,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 19:03:18,666 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:18,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:18,666 INFO L85 PathProgramCache]: Analyzing trace with hash -811496793, now seen corresponding path program 1 times [2024-11-10 19:03:18,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:18,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800384902] [2024-11-10 19:03:18,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:18,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:18,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:18,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:03:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:18,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:03:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:18,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:03:18,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:18,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 19:03:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:18,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:03:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:18,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:18,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:18,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:03:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:18,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:03:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:18,747 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-10 19:03:18,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:18,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800384902] [2024-11-10 19:03:18,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800384902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:18,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:18,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 19:03:18,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503161493] [2024-11-10 19:03:18,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:18,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:03:18,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:18,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:03:18,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:03:18,749 INFO L87 Difference]: Start difference. First operand 183 states and 227 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:03:19,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:19,070 INFO L93 Difference]: Finished difference Result 242 states and 293 transitions. [2024-11-10 19:03:19,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:03:19,071 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 66 [2024-11-10 19:03:19,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:19,072 INFO L225 Difference]: With dead ends: 242 [2024-11-10 19:03:19,072 INFO L226 Difference]: Without dead ends: 241 [2024-11-10 19:03:19,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:03:19,072 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 302 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:19,072 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 278 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:03:19,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-10 19:03:19,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 216. [2024-11-10 19:03:19,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 158 states have (on average 1.379746835443038) internal successors, (218), 185 states have internal predecessors, (218), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-10 19:03:19,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 274 transitions. [2024-11-10 19:03:19,084 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 274 transitions. Word has length 66 [2024-11-10 19:03:19,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:19,084 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 274 transitions. [2024-11-10 19:03:19,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:03:19,084 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 274 transitions. [2024-11-10 19:03:19,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-10 19:03:19,084 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:19,084 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1] [2024-11-10 19:03:19,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 19:03:19,085 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:19,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:19,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1834121572, now seen corresponding path program 1 times [2024-11-10 19:03:19,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:19,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765139002] [2024-11-10 19:03:19,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:19,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:19,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:19,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:03:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:19,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:03:19,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:19,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:03:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:19,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 19:03:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:19,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:03:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:19,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:19,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:19,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:03:19,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:19,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:03:19,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:19,138 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-10 19:03:19,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:19,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765139002] [2024-11-10 19:03:19,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765139002] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:19,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:19,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:03:19,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464660604] [2024-11-10 19:03:19,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:19,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:03:19,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:19,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:03:19,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:03:19,139 INFO L87 Difference]: Start difference. First operand 216 states and 274 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:03:19,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:19,277 INFO L93 Difference]: Finished difference Result 241 states and 291 transitions. [2024-11-10 19:03:19,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:03:19,277 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 68 [2024-11-10 19:03:19,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:19,278 INFO L225 Difference]: With dead ends: 241 [2024-11-10 19:03:19,278 INFO L226 Difference]: Without dead ends: 239 [2024-11-10 19:03:19,278 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 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 19:03:19,279 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 57 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:19,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 165 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:03:19,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-10 19:03:19,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 221. [2024-11-10 19:03:19,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 163 states have (on average 1.3680981595092025) internal successors, (223), 190 states have internal predecessors, (223), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-10 19:03:19,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 279 transitions. [2024-11-10 19:03:19,288 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 279 transitions. Word has length 68 [2024-11-10 19:03:19,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:19,288 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 279 transitions. [2024-11-10 19:03:19,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:03:19,288 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 279 transitions. [2024-11-10 19:03:19,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-10 19:03:19,289 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:19,289 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:19,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 19:03:19,289 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:19,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:19,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1955320842, now seen corresponding path program 1 times [2024-11-10 19:03:19,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:19,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804241824] [2024-11-10 19:03:19,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:19,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:19,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1828942184] [2024-11-10 19:03:19,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:19,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:19,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:19,300 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 19:03:19,302 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 19:03:19,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:19,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 19:03:19,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:19,572 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-10 19:03:19,572 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:03:19,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:19,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804241824] [2024-11-10 19:03:19,768 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:19,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828942184] [2024-11-10 19:03:19,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1828942184] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:19,768 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:03:19,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-10 19:03:19,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662645506] [2024-11-10 19:03:19,768 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:03:19,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:03:19,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:19,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:03:19,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:03:19,769 INFO L87 Difference]: Start difference. First operand 221 states and 279 transitions. Second operand has 9 states, 8 states have (on average 5.5) internal successors, (44), 9 states have internal predecessors, (44), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-10 19:03:20,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:20,260 INFO L93 Difference]: Finished difference Result 330 states and 410 transitions. [2024-11-10 19:03:20,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:03:20,260 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.5) internal successors, (44), 9 states have internal predecessors, (44), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 80 [2024-11-10 19:03:20,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:20,261 INFO L225 Difference]: With dead ends: 330 [2024-11-10 19:03:20,261 INFO L226 Difference]: Without dead ends: 321 [2024-11-10 19:03:20,262 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2024-11-10 19:03:20,262 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 340 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:20,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 347 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:03:20,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-10 19:03:20,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 264. [2024-11-10 19:03:20,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 202 states have (on average 1.3465346534653466) internal successors, (272), 228 states have internal predecessors, (272), 33 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-10 19:03:20,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 338 transitions. [2024-11-10 19:03:20,275 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 338 transitions. Word has length 80 [2024-11-10 19:03:20,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:20,275 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 338 transitions. [2024-11-10 19:03:20,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.5) internal successors, (44), 9 states have internal predecessors, (44), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-10 19:03:20,275 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 338 transitions. [2024-11-10 19:03:20,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-10 19:03:20,275 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:20,276 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:20,290 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-10 19:03:20,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-10 19:03:20,476 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:20,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:20,477 INFO L85 PathProgramCache]: Analyzing trace with hash 485404003, now seen corresponding path program 1 times [2024-11-10 19:03:20,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:20,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375783032] [2024-11-10 19:03:20,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:20,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:20,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1157110575] [2024-11-10 19:03:20,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:20,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:20,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:20,494 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 19:03:20,495 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 19:03:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:20,534 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 19:03:20,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:20,778 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-10 19:03:20,778 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:03:21,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:21,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375783032] [2024-11-10 19:03:21,607 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:21,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1157110575] [2024-11-10 19:03:21,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1157110575] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:21,607 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:03:21,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-10 19:03:21,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866709406] [2024-11-10 19:03:21,608 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:03:21,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:03:21,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:21,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:03:21,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:03:21,608 INFO L87 Difference]: Start difference. First operand 264 states and 338 transitions. Second operand has 9 states, 8 states have (on average 5.625) internal successors, (45), 9 states have internal predecessors, (45), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-10 19:03:22,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:22,023 INFO L93 Difference]: Finished difference Result 363 states and 453 transitions. [2024-11-10 19:03:22,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:03:22,023 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.625) internal successors, (45), 9 states have internal predecessors, (45), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 81 [2024-11-10 19:03:22,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:22,025 INFO L225 Difference]: With dead ends: 363 [2024-11-10 19:03:22,025 INFO L226 Difference]: Without dead ends: 360 [2024-11-10 19:03:22,025 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:03:22,025 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 287 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:22,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 365 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:03:22,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-11-10 19:03:22,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 327. [2024-11-10 19:03:22,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 255 states have (on average 1.3372549019607842) internal successors, (341), 281 states have internal predecessors, (341), 43 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-10 19:03:22,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 427 transitions. [2024-11-10 19:03:22,040 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 427 transitions. Word has length 81 [2024-11-10 19:03:22,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:22,040 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 427 transitions. [2024-11-10 19:03:22,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.625) internal successors, (45), 9 states have internal predecessors, (45), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-10 19:03:22,040 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 427 transitions. [2024-11-10 19:03:22,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-10 19:03:22,041 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:22,041 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:22,053 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 19:03:22,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-10 19:03:22,242 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:22,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:22,242 INFO L85 PathProgramCache]: Analyzing trace with hash -2132345048, now seen corresponding path program 1 times [2024-11-10 19:03:22,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:22,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905993170] [2024-11-10 19:03:22,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:22,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:22,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:22,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:03:22,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:22,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:03:22,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:22,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:03:22,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:22,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 19:03:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:22,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:03:22,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:22,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:22,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:22,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:03:22,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:22,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:03:22,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:22,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 19:03:22,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:22,311 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-10 19:03:22,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:22,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905993170] [2024-11-10 19:03:22,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905993170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:22,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:22,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:03:22,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180756039] [2024-11-10 19:03:22,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:22,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:03:22,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:22,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:03:22,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:03:22,312 INFO L87 Difference]: Start difference. First operand 327 states and 427 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-10 19:03:23,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:23,124 INFO L93 Difference]: Finished difference Result 473 states and 622 transitions. [2024-11-10 19:03:23,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:03:23,124 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 82 [2024-11-10 19:03:23,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:23,126 INFO L225 Difference]: With dead ends: 473 [2024-11-10 19:03:23,126 INFO L226 Difference]: Without dead ends: 470 [2024-11-10 19:03:23,127 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:03:23,127 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 143 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:23,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 227 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:03:23,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2024-11-10 19:03:23,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 333. [2024-11-10 19:03:23,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 261 states have (on average 1.3103448275862069) internal successors, (342), 285 states have internal predecessors, (342), 45 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-10 19:03:23,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 432 transitions. [2024-11-10 19:03:23,145 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 432 transitions. Word has length 82 [2024-11-10 19:03:23,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:23,145 INFO L471 AbstractCegarLoop]: Abstraction has 333 states and 432 transitions. [2024-11-10 19:03:23,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-10 19:03:23,145 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 432 transitions. [2024-11-10 19:03:23,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-10 19:03:23,145 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:23,146 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:23,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 19:03:23,146 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:23,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:23,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1830050472, now seen corresponding path program 1 times [2024-11-10 19:03:23,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:23,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092037951] [2024-11-10 19:03:23,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:23,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:23,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:23,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2125084508] [2024-11-10 19:03:23,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:23,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:23,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:23,160 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 19:03:23,163 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 19:03:23,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:23,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 19:03:23,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:23,362 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-10 19:03:23,363 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:03:23,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:23,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092037951] [2024-11-10 19:03:23,363 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:23,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125084508] [2024-11-10 19:03:23,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2125084508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:23,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:23,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 19:03:23,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595977171] [2024-11-10 19:03:23,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:23,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:03:23,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:23,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:03:23,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:03:23,377 INFO L87 Difference]: Start difference. First operand 333 states and 432 transitions. Second operand has 8 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-10 19:03:23,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:23,567 INFO L93 Difference]: Finished difference Result 344 states and 451 transitions. [2024-11-10 19:03:23,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:03:23,567 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 82 [2024-11-10 19:03:23,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:23,569 INFO L225 Difference]: With dead ends: 344 [2024-11-10 19:03:23,569 INFO L226 Difference]: Without dead ends: 340 [2024-11-10 19:03:23,570 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:03:23,570 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 79 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:23,571 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 268 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:03:23,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-10 19:03:23,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 329. [2024-11-10 19:03:23,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 261 states have (on average 1.2835249042145593) internal successors, (335), 281 states have internal predecessors, (335), 45 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-10 19:03:23,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 425 transitions. [2024-11-10 19:03:23,587 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 425 transitions. Word has length 82 [2024-11-10 19:03:23,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:23,588 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 425 transitions. [2024-11-10 19:03:23,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-10 19:03:23,588 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 425 transitions. [2024-11-10 19:03:23,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-10 19:03:23,589 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:23,589 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:23,601 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-10 19:03:23,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-10 19:03:23,790 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:23,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:23,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1678187007, now seen corresponding path program 1 times [2024-11-10 19:03:23,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:23,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510807072] [2024-11-10 19:03:23,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:23,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:23,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:23,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1734577810] [2024-11-10 19:03:23,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:23,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:23,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:23,801 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 19:03:23,801 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 19:03:23,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:23,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-10 19:03:23,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:24,125 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-10 19:03:24,125 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:03:24,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:24,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510807072] [2024-11-10 19:03:24,807 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:24,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1734577810] [2024-11-10 19:03:24,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1734577810] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:24,807 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:03:24,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-10 19:03:24,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940791349] [2024-11-10 19:03:24,807 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:03:24,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:03:24,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:24,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:03:24,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:03:24,808 INFO L87 Difference]: Start difference. First operand 329 states and 425 transitions. Second operand has 11 states, 10 states have (on average 4.7) internal successors, (47), 11 states have internal predecessors, (47), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-10 19:03:25,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:25,315 INFO L93 Difference]: Finished difference Result 355 states and 438 transitions. [2024-11-10 19:03:25,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 19:03:25,316 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.7) internal successors, (47), 11 states have internal predecessors, (47), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 83 [2024-11-10 19:03:25,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:25,317 INFO L225 Difference]: With dead ends: 355 [2024-11-10 19:03:25,317 INFO L226 Difference]: Without dead ends: 348 [2024-11-10 19:03:25,317 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=113, Invalid=393, Unknown=0, NotChecked=0, Total=506 [2024-11-10 19:03:25,318 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 257 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:25,318 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 439 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:03:25,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-11-10 19:03:25,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 327. [2024-11-10 19:03:25,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 259 states have (on average 1.2702702702702702) internal successors, (329), 279 states have internal predecessors, (329), 45 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-10 19:03:25,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 419 transitions. [2024-11-10 19:03:25,334 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 419 transitions. Word has length 83 [2024-11-10 19:03:25,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:25,335 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 419 transitions. [2024-11-10 19:03:25,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.7) internal successors, (47), 11 states have internal predecessors, (47), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-10 19:03:25,335 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 419 transitions. [2024-11-10 19:03:25,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-10 19:03:25,335 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:25,335 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:25,348 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 19:03:25,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:25,536 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:25,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:25,536 INFO L85 PathProgramCache]: Analyzing trace with hash -896989756, now seen corresponding path program 1 times [2024-11-10 19:03:25,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:25,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338397595] [2024-11-10 19:03:25,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:25,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:25,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:25,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1675278974] [2024-11-10 19:03:25,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:25,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:25,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:25,552 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 19:03:25,553 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 19:03:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:25,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 19:03:25,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:25,738 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-10 19:03:25,738 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:03:26,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:26,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338397595] [2024-11-10 19:03:26,027 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:26,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675278974] [2024-11-10 19:03:26,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1675278974] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:26,027 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:03:26,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-10 19:03:26,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250187799] [2024-11-10 19:03:26,027 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:03:26,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:03:26,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:26,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:03:26,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:03:26,028 INFO L87 Difference]: Start difference. First operand 327 states and 419 transitions. Second operand has 8 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-10 19:03:26,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:26,226 INFO L93 Difference]: Finished difference Result 476 states and 636 transitions. [2024-11-10 19:03:26,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:03:26,227 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 83 [2024-11-10 19:03:26,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:26,228 INFO L225 Difference]: With dead ends: 476 [2024-11-10 19:03:26,229 INFO L226 Difference]: Without dead ends: 472 [2024-11-10 19:03:26,229 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:03:26,230 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 113 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:26,230 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 204 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:03:26,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2024-11-10 19:03:26,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 435. [2024-11-10 19:03:26,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 351 states have (on average 1.2621082621082622) internal successors, (443), 371 states have internal predecessors, (443), 61 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-10 19:03:26,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 565 transitions. [2024-11-10 19:03:26,254 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 565 transitions. Word has length 83 [2024-11-10 19:03:26,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:26,255 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 565 transitions. [2024-11-10 19:03:26,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-10 19:03:26,255 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 565 transitions. [2024-11-10 19:03:26,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-10 19:03:26,256 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:26,256 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:03:26,268 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-10 19:03:26,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:26,461 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:26,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:26,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1011460066, now seen corresponding path program 1 times [2024-11-10 19:03:26,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:26,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514041634] [2024-11-10 19:03:26,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:26,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:26,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:26,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:03:26,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:26,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:03:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:26,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:03:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:26,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 19:03:26,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:26,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:03:26,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:26,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:26,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:26,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:03:26,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:26,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:03:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:26,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 19:03:26,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:26,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:03:26,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:26,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-10 19:03:26,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:26,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-10 19:03:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:26,522 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-10 19:03:26,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:26,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514041634] [2024-11-10 19:03:26,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514041634] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:26,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702647974] [2024-11-10 19:03:26,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:26,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:26,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:26,524 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 19:03:26,525 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 19:03:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:26,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:03:26,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:26,604 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-10 19:03:26,604 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:03:26,706 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-10 19:03:26,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [702647974] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:03:26,707 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:03:26,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-10 19:03:26,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225895686] [2024-11-10 19:03:26,707 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:03:26,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:03:26,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:26,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:03:26,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:03:26,708 INFO L87 Difference]: Start difference. First operand 435 states and 565 transitions. Second operand has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 7 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) [2024-11-10 19:03:27,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:27,410 INFO L93 Difference]: Finished difference Result 703 states and 929 transitions. [2024-11-10 19:03:27,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:03:27,411 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 7 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) Word has length 103 [2024-11-10 19:03:27,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:27,413 INFO L225 Difference]: With dead ends: 703 [2024-11-10 19:03:27,413 INFO L226 Difference]: Without dead ends: 701 [2024-11-10 19:03:27,413 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:03:27,414 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 428 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:27,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 265 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:03:27,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2024-11-10 19:03:27,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 598. [2024-11-10 19:03:27,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 487 states have (on average 1.2587268993839835) internal successors, (613), 506 states have internal predecessors, (613), 89 states have call successors, (89), 2 states have call predecessors, (89), 2 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2024-11-10 19:03:27,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 791 transitions. [2024-11-10 19:03:27,447 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 791 transitions. Word has length 103 [2024-11-10 19:03:27,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:27,449 INFO L471 AbstractCegarLoop]: Abstraction has 598 states and 791 transitions. [2024-11-10 19:03:27,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 7 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) [2024-11-10 19:03:27,449 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 791 transitions. [2024-11-10 19:03:27,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-10 19:03:27,450 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:27,450 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:27,462 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 19:03:27,650 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,SelfDestructingSolverStorable20 [2024-11-10 19:03:27,650 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:27,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:27,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1290490961, now seen corresponding path program 1 times [2024-11-10 19:03:27,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:27,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495816112] [2024-11-10 19:03:27,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:27,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:27,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:03:27,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:27,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:03:27,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:27,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:03:27,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:27,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 19:03:27,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:27,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:03:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:27,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:27,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:27,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:03:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:27,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:03:27,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:27,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 19:03:27,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:27,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:03:27,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:27,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-10 19:03:27,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:27,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-10 19:03:27,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:27,731 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-10 19:03:27,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:27,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495816112] [2024-11-10 19:03:27,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495816112] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:27,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [816148643] [2024-11-10 19:03:27,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:27,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:27,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:27,733 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 19:03:27,735 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 19:03:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:27,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:03:27,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:27,827 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-10 19:03:27,827 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:03:27,929 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-10 19:03:27,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [816148643] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:03:27,930 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:03:27,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-11-10 19:03:27,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906093463] [2024-11-10 19:03:27,930 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:03:27,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:03:27,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:27,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:03:27,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:03:27,931 INFO L87 Difference]: Start difference. First operand 598 states and 791 transitions. Second operand has 11 states, 10 states have (on average 11.8) internal successors, (118), 11 states have internal predecessors, (118), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-11-10 19:03:28,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:28,627 INFO L93 Difference]: Finished difference Result 723 states and 929 transitions. [2024-11-10 19:03:28,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 19:03:28,629 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 11.8) internal successors, (118), 11 states have internal predecessors, (118), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) Word has length 104 [2024-11-10 19:03:28,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:28,632 INFO L225 Difference]: With dead ends: 723 [2024-11-10 19:03:28,632 INFO L226 Difference]: Without dead ends: 721 [2024-11-10 19:03:28,632 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2024-11-10 19:03:28,633 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 680 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 683 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:28,633 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [683 Valid, 479 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:03:28,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2024-11-10 19:03:28,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 600. [2024-11-10 19:03:28,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 490 states have (on average 1.2142857142857142) internal successors, (595), 508 states have internal predecessors, (595), 89 states have call successors, (89), 2 states have call predecessors, (89), 2 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2024-11-10 19:03:28,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 773 transitions. [2024-11-10 19:03:28,663 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 773 transitions. Word has length 104 [2024-11-10 19:03:28,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:28,664 INFO L471 AbstractCegarLoop]: Abstraction has 600 states and 773 transitions. [2024-11-10 19:03:28,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 11.8) internal successors, (118), 11 states have internal predecessors, (118), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-11-10 19:03:28,664 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 773 transitions. [2024-11-10 19:03:28,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-10 19:03:28,664 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:28,664 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:28,677 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-10 19:03:28,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:28,866 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:28,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:28,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1083735354, now seen corresponding path program 1 times [2024-11-10 19:03:28,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:28,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278509246] [2024-11-10 19:03:28,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:28,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:28,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:28,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:03:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:28,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:03:28,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:28,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:03:28,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:28,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 19:03:28,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:28,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:03:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:28,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:28,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:03:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:28,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:03:28,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:28,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 19:03:28,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:28,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:03:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:28,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-10 19:03:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:28,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-10 19:03:28,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:28,919 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-10 19:03:28,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:28,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278509246] [2024-11-10 19:03:28,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278509246] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:28,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:28,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:03:28,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290099964] [2024-11-10 19:03:28,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:28,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:03:28,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:28,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:03:28,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:03:28,920 INFO L87 Difference]: Start difference. First operand 600 states and 773 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-10 19:03:28,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:28,987 INFO L93 Difference]: Finished difference Result 600 states and 773 transitions. [2024-11-10 19:03:28,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:03:28,987 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 106 [2024-11-10 19:03:28,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:28,991 INFO L225 Difference]: With dead ends: 600 [2024-11-10 19:03:28,991 INFO L226 Difference]: Without dead ends: 599 [2024-11-10 19:03:28,991 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:03:28,991 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 19 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:28,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 161 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:03:28,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2024-11-10 19:03:29,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 599. [2024-11-10 19:03:29,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 490 states have (on average 1.2061224489795919) internal successors, (591), 507 states have internal predecessors, (591), 89 states have call successors, (89), 2 states have call predecessors, (89), 2 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2024-11-10 19:03:29,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 769 transitions. [2024-11-10 19:03:29,022 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 769 transitions. Word has length 106 [2024-11-10 19:03:29,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:29,023 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 769 transitions. [2024-11-10 19:03:29,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-10 19:03:29,023 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 769 transitions. [2024-11-10 19:03:29,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-10 19:03:29,024 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:29,024 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:29,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-10 19:03:29,024 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:29,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:29,024 INFO L85 PathProgramCache]: Analyzing trace with hash 290755032, now seen corresponding path program 1 times [2024-11-10 19:03:29,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:29,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233541949] [2024-11-10 19:03:29,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:29,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:29,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:03:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:03:29,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:03:29,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 19:03:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:03:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:29,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:03:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:03:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 19:03:29,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:03:29,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-10 19:03:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-10 19:03:29,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,111 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-10 19:03:29,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:29,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233541949] [2024-11-10 19:03:29,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233541949] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:29,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413889966] [2024-11-10 19:03:29,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:29,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:29,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:29,113 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 19:03:29,114 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 19:03:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,155 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:03:29,156 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:29,271 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-10 19:03:29,271 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:03:29,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [413889966] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:29,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:03:29,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-10 19:03:29,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20886098] [2024-11-10 19:03:29,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:29,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:03:29,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:29,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:03:29,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:03:29,272 INFO L87 Difference]: Start difference. First operand 599 states and 769 transitions. Second operand has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-10 19:03:29,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:29,505 INFO L93 Difference]: Finished difference Result 610 states and 788 transitions. [2024-11-10 19:03:29,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:03:29,505 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 109 [2024-11-10 19:03:29,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:29,507 INFO L225 Difference]: With dead ends: 610 [2024-11-10 19:03:29,507 INFO L226 Difference]: Without dead ends: 609 [2024-11-10 19:03:29,508 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:03:29,508 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 51 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:29,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 155 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:03:29,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2024-11-10 19:03:29,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 598. [2024-11-10 19:03:29,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 490 states have (on average 1.2) internal successors, (588), 506 states have internal predecessors, (588), 89 states have call successors, (89), 2 states have call predecessors, (89), 2 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2024-11-10 19:03:29,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 766 transitions. [2024-11-10 19:03:29,539 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 766 transitions. Word has length 109 [2024-11-10 19:03:29,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:29,539 INFO L471 AbstractCegarLoop]: Abstraction has 598 states and 766 transitions. [2024-11-10 19:03:29,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-10 19:03:29,539 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 766 transitions. [2024-11-10 19:03:29,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-10 19:03:29,540 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:29,540 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:29,552 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-10 19:03:29,744 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 19:03:29,745 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:29,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:29,745 INFO L85 PathProgramCache]: Analyzing trace with hash 423471383, now seen corresponding path program 1 times [2024-11-10 19:03:29,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:29,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554418517] [2024-11-10 19:03:29,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:29,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:03:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:03:29,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:03:29,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 19:03:29,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:03:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:29,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:03:29,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:03:29,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 19:03:29,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:03:29,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-10 19:03:29,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-10 19:03:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,824 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-10 19:03:29,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:29,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554418517] [2024-11-10 19:03:29,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554418517] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:29,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49727235] [2024-11-10 19:03:29,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:29,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:29,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:29,826 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 19:03:29,827 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 19:03:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:29,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:03:29,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:29,974 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-10 19:03:29,974 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:03:30,076 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-10 19:03:30,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49727235] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:03:30,077 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:03:30,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-10 19:03:30,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332957518] [2024-11-10 19:03:30,077 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:03:30,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:03:30,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:30,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:03:30,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:03:30,078 INFO L87 Difference]: Start difference. First operand 598 states and 766 transitions. Second operand has 11 states, 10 states have (on average 15.0) internal successors, (150), 11 states have internal predecessors, (150), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-11-10 19:03:30,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:30,449 INFO L93 Difference]: Finished difference Result 834 states and 1078 transitions. [2024-11-10 19:03:30,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:03:30,450 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 15.0) internal successors, (150), 11 states have internal predecessors, (150), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) Word has length 110 [2024-11-10 19:03:30,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:30,452 INFO L225 Difference]: With dead ends: 834 [2024-11-10 19:03:30,452 INFO L226 Difference]: Without dead ends: 832 [2024-11-10 19:03:30,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:03:30,454 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 316 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:30,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 318 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:03:30,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2024-11-10 19:03:30,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 689. [2024-11-10 19:03:30,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 689 states, 572 states have (on average 1.194055944055944) internal successors, (683), 588 states have internal predecessors, (683), 98 states have call successors, (98), 2 states have call predecessors, (98), 2 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-10 19:03:30,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 879 transitions. [2024-11-10 19:03:30,505 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 879 transitions. Word has length 110 [2024-11-10 19:03:30,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:30,505 INFO L471 AbstractCegarLoop]: Abstraction has 689 states and 879 transitions. [2024-11-10 19:03:30,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 15.0) internal successors, (150), 11 states have internal predecessors, (150), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-11-10 19:03:30,506 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 879 transitions. [2024-11-10 19:03:30,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-10 19:03:30,506 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:30,506 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:03:30,519 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-10 19:03:30,707 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 19:03:30,707 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:30,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:30,707 INFO L85 PathProgramCache]: Analyzing trace with hash -2121736578, now seen corresponding path program 1 times [2024-11-10 19:03:30,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:30,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809029585] [2024-11-10 19:03:30,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:30,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:30,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:30,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1989605678] [2024-11-10 19:03:30,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:30,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:30,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:30,727 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 19:03:30,729 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 19:03:30,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:30,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 19:03:30,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:31,290 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-10 19:03:31,290 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:03:31,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:31,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809029585] [2024-11-10 19:03:31,403 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:31,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989605678] [2024-11-10 19:03:31,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989605678] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:31,403 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:03:31,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-10 19:03:31,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383020438] [2024-11-10 19:03:31,403 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:03:31,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:03:31,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:31,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:03:31,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-11-10 19:03:31,404 INFO L87 Difference]: Start difference. First operand 689 states and 879 transitions. Second operand has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 12 states have internal predecessors, (65), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-10 19:03:32,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:32,082 INFO L93 Difference]: Finished difference Result 841 states and 1078 transitions. [2024-11-10 19:03:32,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 19:03:32,083 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 12 states have internal predecessors, (65), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) Word has length 121 [2024-11-10 19:03:32,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:32,085 INFO L225 Difference]: With dead ends: 841 [2024-11-10 19:03:32,085 INFO L226 Difference]: Without dead ends: 838 [2024-11-10 19:03:32,086 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=128, Invalid=472, Unknown=0, NotChecked=0, Total=600 [2024-11-10 19:03:32,086 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 231 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 959 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:32,086 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 525 Invalid, 986 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 959 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:03:32,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2024-11-10 19:03:32,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 809. [2024-11-10 19:03:32,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 809 states, 671 states have (on average 1.2056631892697467) internal successors, (809), 687 states have internal predecessors, (809), 119 states have call successors, (119), 2 states have call predecessors, (119), 2 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2024-11-10 19:03:32,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 1047 transitions. [2024-11-10 19:03:32,137 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 1047 transitions. Word has length 121 [2024-11-10 19:03:32,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:32,137 INFO L471 AbstractCegarLoop]: Abstraction has 809 states and 1047 transitions. [2024-11-10 19:03:32,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 12 states have internal predecessors, (65), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-10 19:03:32,137 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1047 transitions. [2024-11-10 19:03:32,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-10 19:03:32,138 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:32,138 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:03:32,150 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 19:03:32,338 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,SelfDestructingSolverStorable25 [2024-11-10 19:03:32,339 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:32,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:32,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1349324433, now seen corresponding path program 1 times [2024-11-10 19:03:32,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:32,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72201697] [2024-11-10 19:03:32,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:32,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:32,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:32,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1678152102] [2024-11-10 19:03:32,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:32,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:32,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:32,353 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 19:03:32,355 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 19:03:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:32,400 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 19:03:32,401 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:32,819 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-10 19:03:32,819 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:03:33,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:33,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72201697] [2024-11-10 19:03:33,445 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:33,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678152102] [2024-11-10 19:03:33,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1678152102] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:33,445 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:03:33,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-10 19:03:33,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134071532] [2024-11-10 19:03:33,445 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:03:33,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:03:33,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:33,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:03:33,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-11-10 19:03:33,446 INFO L87 Difference]: Start difference. First operand 809 states and 1047 transitions. Second operand has 12 states, 11 states have (on average 6.0) internal successors, (66), 12 states have internal predecessors, (66), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-10 19:03:34,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:34,033 INFO L93 Difference]: Finished difference Result 849 states and 1080 transitions. [2024-11-10 19:03:34,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 19:03:34,034 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.0) internal successors, (66), 12 states have internal predecessors, (66), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) Word has length 122 [2024-11-10 19:03:34,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:34,036 INFO L225 Difference]: With dead ends: 849 [2024-11-10 19:03:34,036 INFO L226 Difference]: Without dead ends: 846 [2024-11-10 19:03:34,037 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=121, Invalid=431, Unknown=0, NotChecked=0, Total=552 [2024-11-10 19:03:34,037 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 277 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:34,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 449 Invalid, 803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:03:34,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2024-11-10 19:03:34,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 811. [2024-11-10 19:03:34,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 811 states, 673 states have (on average 1.1961367013372957) internal successors, (805), 689 states have internal predecessors, (805), 119 states have call successors, (119), 2 states have call predecessors, (119), 2 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2024-11-10 19:03:34,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1043 transitions. [2024-11-10 19:03:34,079 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1043 transitions. Word has length 122 [2024-11-10 19:03:34,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:34,080 INFO L471 AbstractCegarLoop]: Abstraction has 811 states and 1043 transitions. [2024-11-10 19:03:34,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.0) internal successors, (66), 12 states have internal predecessors, (66), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-10 19:03:34,080 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1043 transitions. [2024-11-10 19:03:34,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-10 19:03:34,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:34,081 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:03:34,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-10 19:03:34,284 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,SelfDestructingSolverStorable26 [2024-11-10 19:03:34,284 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:34,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:34,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1120615580, now seen corresponding path program 1 times [2024-11-10 19:03:34,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:34,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436762513] [2024-11-10 19:03:34,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:34,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:34,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:03:34,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:34,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:03:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:34,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:03:34,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:34,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 19:03:34,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:34,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:03:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:34,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:34,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:03:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:34,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:03:34,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:34,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 19:03:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:34,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:03:34,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:34,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-10 19:03:34,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:34,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-10 19:03:34,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:34,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 19:03:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:34,363 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-10 19:03:34,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:34,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436762513] [2024-11-10 19:03:34,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436762513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:34,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:34,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 19:03:34,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309777444] [2024-11-10 19:03:34,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:34,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:03:34,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:34,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:03:34,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:03:34,365 INFO L87 Difference]: Start difference. First operand 811 states and 1043 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-10 19:03:35,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:35,164 INFO L93 Difference]: Finished difference Result 815 states and 1043 transitions. [2024-11-10 19:03:35,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 19:03:35,164 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 123 [2024-11-10 19:03:35,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:35,167 INFO L225 Difference]: With dead ends: 815 [2024-11-10 19:03:35,167 INFO L226 Difference]: Without dead ends: 814 [2024-11-10 19:03:35,167 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:03:35,167 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 95 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:35,168 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 231 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:03:35,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2024-11-10 19:03:35,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 772. [2024-11-10 19:03:35,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 772 states, 637 states have (on average 1.1930926216640503) internal successors, (760), 652 states have internal predecessors, (760), 117 states have call successors, (117), 2 states have call predecessors, (117), 2 states have return successors, (117), 117 states have call predecessors, (117), 117 states have call successors, (117) [2024-11-10 19:03:35,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 994 transitions. [2024-11-10 19:03:35,211 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 994 transitions. Word has length 123 [2024-11-10 19:03:35,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:35,211 INFO L471 AbstractCegarLoop]: Abstraction has 772 states and 994 transitions. [2024-11-10 19:03:35,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-10 19:03:35,212 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 994 transitions. [2024-11-10 19:03:35,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-10 19:03:35,212 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:35,212 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:03:35,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-10 19:03:35,212 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:35,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:35,213 INFO L85 PathProgramCache]: Analyzing trace with hash 379344653, now seen corresponding path program 1 times [2024-11-10 19:03:35,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:35,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749257085] [2024-11-10 19:03:35,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:35,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:35,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:35,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1282787874] [2024-11-10 19:03:35,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:35,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:35,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:35,225 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 19:03:35,226 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 19:03:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:35,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-10 19:03:35,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:35,695 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-10 19:03:35,695 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:03:48,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:48,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749257085] [2024-11-10 19:03:48,402 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:48,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282787874] [2024-11-10 19:03:48,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1282787874] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:48,403 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:03:48,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-10 19:03:48,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757004346] [2024-11-10 19:03:48,403 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:03:48,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:03:48,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:48,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:03:48,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=220, Unknown=3, NotChecked=0, Total=272 [2024-11-10 19:03:48,404 INFO L87 Difference]: Start difference. First operand 772 states and 994 transitions. Second operand has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2024-11-10 19:03:49,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:49,023 INFO L93 Difference]: Finished difference Result 790 states and 1002 transitions. [2024-11-10 19:03:49,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 19:03:49,023 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) Word has length 124 [2024-11-10 19:03:49,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:49,025 INFO L225 Difference]: With dead ends: 790 [2024-11-10 19:03:49,026 INFO L226 Difference]: Without dead ends: 783 [2024-11-10 19:03:49,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 12.7s TimeCoverageRelationStatistics Valid=94, Invalid=409, Unknown=3, NotChecked=0, Total=506 [2024-11-10 19:03:49,027 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 197 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 901 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:49,027 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 523 Invalid, 923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 901 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:03:49,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2024-11-10 19:03:49,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 770. [2024-11-10 19:03:49,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 770 states, 635 states have (on average 1.1826771653543307) internal successors, (751), 650 states have internal predecessors, (751), 117 states have call successors, (117), 2 states have call predecessors, (117), 2 states have return successors, (117), 117 states have call predecessors, (117), 117 states have call successors, (117) [2024-11-10 19:03:49,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 985 transitions. [2024-11-10 19:03:49,070 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 985 transitions. Word has length 124 [2024-11-10 19:03:49,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:49,070 INFO L471 AbstractCegarLoop]: Abstraction has 770 states and 985 transitions. [2024-11-10 19:03:49,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2024-11-10 19:03:49,070 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 985 transitions. [2024-11-10 19:03:49,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-10 19:03:49,072 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:49,072 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 19:03:49,085 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-10 19:03:49,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-10 19:03:49,277 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:49,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:49,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1160541904, now seen corresponding path program 2 times [2024-11-10 19:03:49,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:49,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083390584] [2024-11-10 19:03:49,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:49,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:49,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [44395435] [2024-11-10 19:03:49,292 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:03:49,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:49,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:49,294 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 19:03:49,295 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 19:03:49,346 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:03:49,346 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:03:49,347 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 19:03:49,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:49,597 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-10 19:03:49,597 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:03:51,327 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-10 19:03:51,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:51,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083390584] [2024-11-10 19:03:51,327 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:51,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44395435] [2024-11-10 19:03:51,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [44395435] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:03:51,327 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:03:51,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2024-11-10 19:03:51,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268098582] [2024-11-10 19:03:51,328 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:03:51,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-10 19:03:51,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:51,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-10 19:03:51,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2024-11-10 19:03:51,329 INFO L87 Difference]: Start difference. First operand 770 states and 985 transitions. Second operand has 19 states, 18 states have (on average 7.055555555555555) internal successors, (127), 19 states have internal predecessors, (127), 11 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (26), 10 states have call predecessors, (26), 11 states have call successors, (26) [2024-11-10 19:03:55,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:55,395 INFO L93 Difference]: Finished difference Result 821 states and 1043 transitions. [2024-11-10 19:03:55,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-10 19:03:55,395 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 7.055555555555555) internal successors, (127), 19 states have internal predecessors, (127), 11 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (26), 10 states have call predecessors, (26), 11 states have call successors, (26) Word has length 124 [2024-11-10 19:03:55,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:55,398 INFO L225 Difference]: With dead ends: 821 [2024-11-10 19:03:55,398 INFO L226 Difference]: Without dead ends: 818 [2024-11-10 19:03:55,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=317, Invalid=943, Unknown=0, NotChecked=0, Total=1260 [2024-11-10 19:03:55,398 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 528 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 1212 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 528 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 1312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 1212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:55,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [528 Valid, 474 Invalid, 1312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1212 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-10 19:03:55,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2024-11-10 19:03:55,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 749. [2024-11-10 19:03:55,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 749 states, 616 states have (on average 1.155844155844156) internal successors, (712), 629 states have internal predecessors, (712), 117 states have call successors, (117), 2 states have call predecessors, (117), 2 states have return successors, (117), 117 states have call predecessors, (117), 117 states have call successors, (117) [2024-11-10 19:03:55,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 946 transitions. [2024-11-10 19:03:55,445 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 946 transitions. Word has length 124 [2024-11-10 19:03:55,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:55,446 INFO L471 AbstractCegarLoop]: Abstraction has 749 states and 946 transitions. [2024-11-10 19:03:55,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 7.055555555555555) internal successors, (127), 19 states have internal predecessors, (127), 11 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (26), 10 states have call predecessors, (26), 11 states have call successors, (26) [2024-11-10 19:03:55,446 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 946 transitions. [2024-11-10 19:03:55,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-10 19:03:55,447 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:55,448 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:03:55,461 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-10 19:03:55,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:55,648 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:55,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:55,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1549618897, now seen corresponding path program 2 times [2024-11-10 19:03:55,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:55,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152348730] [2024-11-10 19:03:55,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:55,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:55,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:55,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:03:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:55,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:03:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:55,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:03:55,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:55,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 19:03:55,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:55,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:03:55,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:55,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:03:55,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:55,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:03:55,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:55,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:03:55,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:55,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 19:03:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:55,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:03:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:55,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 19:03:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:55,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 19:03:55,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:55,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-10 19:03:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:55,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-10 19:03:55,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:03:55,714 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-10 19:03:55,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:55,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152348730] [2024-11-10 19:03:55,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152348730] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:03:55,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:03:55,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 19:03:55,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623261466] [2024-11-10 19:03:55,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:03:55,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:03:55,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:55,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:03:55,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:03:55,715 INFO L87 Difference]: Start difference. First operand 749 states and 946 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-10 19:03:56,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:56,083 INFO L93 Difference]: Finished difference Result 928 states and 1171 transitions. [2024-11-10 19:03:56,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:03:56,084 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 132 [2024-11-10 19:03:56,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:56,085 INFO L225 Difference]: With dead ends: 928 [2024-11-10 19:03:56,085 INFO L226 Difference]: Without dead ends: 510 [2024-11-10 19:03:56,086 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:03:56,087 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 34 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:56,087 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 175 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:03:56,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2024-11-10 19:03:56,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 505. [2024-11-10 19:03:56,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 412 states have (on average 1.1577669902912622) internal successors, (477), 425 states have internal predecessors, (477), 77 states have call successors, (77), 2 states have call predecessors, (77), 2 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-10 19:03:56,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 631 transitions. [2024-11-10 19:03:56,119 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 631 transitions. Word has length 132 [2024-11-10 19:03:56,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:56,120 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 631 transitions. [2024-11-10 19:03:56,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-10 19:03:56,120 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 631 transitions. [2024-11-10 19:03:56,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-10 19:03:56,121 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:56,121 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 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 19:03:56,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-10 19:03:56,121 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:56,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:56,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1021630838, now seen corresponding path program 2 times [2024-11-10 19:03:56,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:56,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952102271] [2024-11-10 19:03:56,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:56,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:56,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:56,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [595130102] [2024-11-10 19:03:56,145 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:03:56,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:56,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:56,147 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 19:03:56,148 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 19:03:56,197 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:03:56,197 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:03:56,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 19:03:56,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:56,787 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 9 proven. 56 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-10 19:03:56,787 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:03:56,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:56,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952102271] [2024-11-10 19:03:56,891 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:56,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595130102] [2024-11-10 19:03:56,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [595130102] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:56,891 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:03:56,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-10 19:03:56,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428269097] [2024-11-10 19:03:56,891 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:03:56,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 19:03:56,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:56,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 19:03:56,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:03:56,892 INFO L87 Difference]: Start difference. First operand 505 states and 631 transitions. Second operand has 14 states, 13 states have (on average 6.615384615384615) internal successors, (86), 13 states have internal predecessors, (86), 8 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 8 states have call predecessors, (17), 8 states have call successors, (17) [2024-11-10 19:03:57,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:57,986 INFO L93 Difference]: Finished difference Result 875 states and 1125 transitions. [2024-11-10 19:03:57,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-10 19:03:57,987 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.615384615384615) internal successors, (86), 13 states have internal predecessors, (86), 8 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 8 states have call predecessors, (17), 8 states have call successors, (17) Word has length 162 [2024-11-10 19:03:57,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:57,989 INFO L225 Difference]: With dead ends: 875 [2024-11-10 19:03:57,990 INFO L226 Difference]: Without dead ends: 872 [2024-11-10 19:03:57,990 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=164, Invalid=436, Unknown=0, NotChecked=0, Total=600 [2024-11-10 19:03:57,992 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 354 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 2351 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 2405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 2351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:57,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 624 Invalid, 2405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 2351 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 19:03:57,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2024-11-10 19:03:58,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 793. [2024-11-10 19:03:58,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 793 states, 656 states have (on average 1.1722560975609757) internal successors, (769), 669 states have internal predecessors, (769), 121 states have call successors, (121), 2 states have call predecessors, (121), 2 states have return successors, (121), 121 states have call predecessors, (121), 121 states have call successors, (121) [2024-11-10 19:03:58,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 1011 transitions. [2024-11-10 19:03:58,051 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 1011 transitions. Word has length 162 [2024-11-10 19:03:58,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:03:58,052 INFO L471 AbstractCegarLoop]: Abstraction has 793 states and 1011 transitions. [2024-11-10 19:03:58,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.615384615384615) internal successors, (86), 13 states have internal predecessors, (86), 8 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 8 states have call predecessors, (17), 8 states have call successors, (17) [2024-11-10 19:03:58,052 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1011 transitions. [2024-11-10 19:03:58,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-10 19:03:58,052 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:03:58,052 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 19:03:58,064 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 19:03:58,253 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 19:03:58,253 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:03:58,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:03:58,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1605784861, now seen corresponding path program 2 times [2024-11-10 19:03:58,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:03:58,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872647833] [2024-11-10 19:03:58,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:03:58,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:03:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:03:58,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1744616092] [2024-11-10 19:03:58,268 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:03:58,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:03:58,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:03:58,270 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 19:03:58,270 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 19:03:58,352 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:03:58,352 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:03:58,353 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 19:03:58,355 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:03:58,945 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 3 proven. 63 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-10 19:03:58,945 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:03:59,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:03:59,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872647833] [2024-11-10 19:03:59,613 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:03:59,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744616092] [2024-11-10 19:03:59,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1744616092] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:03:59,613 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:03:59,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-10 19:03:59,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432466676] [2024-11-10 19:03:59,613 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:03:59,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 19:03:59,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:03:59,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 19:03:59,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:03:59,615 INFO L87 Difference]: Start difference. First operand 793 states and 1011 transitions. Second operand has 13 states, 12 states have (on average 7.25) internal successors, (87), 12 states have internal predecessors, (87), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17) [2024-11-10 19:03:59,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:03:59,956 INFO L93 Difference]: Finished difference Result 894 states and 1133 transitions. [2024-11-10 19:03:59,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 19:03:59,956 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.25) internal successors, (87), 12 states have internal predecessors, (87), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17) Word has length 163 [2024-11-10 19:03:59,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:03:59,959 INFO L225 Difference]: With dead ends: 894 [2024-11-10 19:03:59,959 INFO L226 Difference]: Without dead ends: 891 [2024-11-10 19:03:59,959 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2024-11-10 19:03:59,959 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 199 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:03:59,959 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 331 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:03:59,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2024-11-10 19:04:00,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 869. [2024-11-10 19:04:00,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 869 states, 720 states have (on average 1.1680555555555556) internal successors, (841), 733 states have internal predecessors, (841), 133 states have call successors, (133), 2 states have call predecessors, (133), 2 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2024-11-10 19:04:00,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1107 transitions. [2024-11-10 19:04:00,017 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1107 transitions. Word has length 163 [2024-11-10 19:04:00,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:04:00,017 INFO L471 AbstractCegarLoop]: Abstraction has 869 states and 1107 transitions. [2024-11-10 19:04:00,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.25) internal successors, (87), 12 states have internal predecessors, (87), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17) [2024-11-10 19:04:00,018 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1107 transitions. [2024-11-10 19:04:00,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-10 19:04:00,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:04:00,018 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 19:04:00,028 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 19:04:00,219 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 19:04:00,219 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:04:00,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:04:00,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1265990783, now seen corresponding path program 2 times [2024-11-10 19:04:00,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:04:00,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58100780] [2024-11-10 19:04:00,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:04:00,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:04:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:04:00,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [204068508] [2024-11-10 19:04:00,244 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:04:00,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:04:00,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:04:00,245 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 19:04:00,247 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 19:04:00,297 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:04:00,297 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:04:00,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-10 19:04:00,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:04:00,899 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-10 19:04:00,900 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:04:02,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:04:02,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58100780] [2024-11-10 19:04:02,058 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:04:02,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204068508] [2024-11-10 19:04:02,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [204068508] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:04:02,058 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:04:02,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2024-11-10 19:04:02,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597235138] [2024-11-10 19:04:02,058 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:04:02,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 19:04:02,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:04:02,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 19:04:02,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=476, Unknown=0, NotChecked=0, Total=600 [2024-11-10 19:04:02,059 INFO L87 Difference]: Start difference. First operand 869 states and 1107 transitions. Second operand has 15 states, 14 states have (on average 6.357142857142857) internal successors, (89), 15 states have internal predecessors, (89), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 6 states have call predecessors, (17), 7 states have call successors, (17) [2024-11-10 19:04:02,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:04:02,804 INFO L93 Difference]: Finished difference Result 886 states and 1115 transitions. [2024-11-10 19:04:02,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 19:04:02,804 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.357142857142857) internal successors, (89), 15 states have internal predecessors, (89), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 6 states have call predecessors, (17), 7 states have call successors, (17) Word has length 165 [2024-11-10 19:04:02,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:04:02,807 INFO L225 Difference]: With dead ends: 886 [2024-11-10 19:04:02,807 INFO L226 Difference]: Without dead ends: 879 [2024-11-10 19:04:02,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=285, Invalid=1047, Unknown=0, NotChecked=0, Total=1332 [2024-11-10 19:04:02,808 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 254 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 1130 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 1163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:04:02,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 541 Invalid, 1163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1130 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:04:02,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2024-11-10 19:04:02,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 867. [2024-11-10 19:04:02,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 867 states, 718 states have (on average 1.158774373259053) internal successors, (832), 731 states have internal predecessors, (832), 133 states have call successors, (133), 2 states have call predecessors, (133), 2 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2024-11-10 19:04:02,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1098 transitions. [2024-11-10 19:04:02,866 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1098 transitions. Word has length 165 [2024-11-10 19:04:02,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:04:02,866 INFO L471 AbstractCegarLoop]: Abstraction has 867 states and 1098 transitions. [2024-11-10 19:04:02,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.357142857142857) internal successors, (89), 15 states have internal predecessors, (89), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 6 states have call predecessors, (17), 7 states have call successors, (17) [2024-11-10 19:04:02,866 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1098 transitions. [2024-11-10 19:04:02,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-10 19:04:02,866 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:04:02,867 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:04:02,879 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 19:04:03,067 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 19:04:03,067 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:04:03,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:04:03,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1705453987, now seen corresponding path program 3 times [2024-11-10 19:04:03,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:04:03,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803853856] [2024-11-10 19:04:03,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:04:03,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:04:03,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:04:03,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1686258639] [2024-11-10 19:04:03,080 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 19:04:03,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:04:03,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:04:03,081 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 19:04:03,082 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 19:04:03,177 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-10 19:04:03,178 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:04:03,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-10 19:04:03,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:04:03,871 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 76 proven. 62 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2024-11-10 19:04:03,871 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:04:04,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:04:04,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803853856] [2024-11-10 19:04:04,794 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:04:04,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686258639] [2024-11-10 19:04:04,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686258639] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:04:04,794 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:04:04,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-10 19:04:04,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057660216] [2024-11-10 19:04:04,794 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:04:04,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:04:04,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:04:04,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:04:04,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:04:04,795 INFO L87 Difference]: Start difference. First operand 867 states and 1098 transitions. Second operand has 11 states, 10 states have (on average 8.3) internal successors, (83), 11 states have internal predecessors, (83), 5 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-10 19:04:08,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-10 19:04:09,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:04:09,320 INFO L93 Difference]: Finished difference Result 1461 states and 1885 transitions. [2024-11-10 19:04:09,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-10 19:04:09,324 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.3) internal successors, (83), 11 states have internal predecessors, (83), 5 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 173 [2024-11-10 19:04:09,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:04:09,329 INFO L225 Difference]: With dead ends: 1461 [2024-11-10 19:04:09,329 INFO L226 Difference]: Without dead ends: 1458 [2024-11-10 19:04:09,330 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=151, Invalid=449, Unknown=0, NotChecked=0, Total=600 [2024-11-10 19:04:09,330 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 196 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 31 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:04:09,330 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 294 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 497 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-11-10 19:04:09,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1458 states. [2024-11-10 19:04:09,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1458 to 1409. [2024-11-10 19:04:09,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1409 states, 1172 states have (on average 1.1715017064846416) internal successors, (1373), 1185 states have internal predecessors, (1373), 221 states have call successors, (221), 2 states have call predecessors, (221), 2 states have return successors, (221), 221 states have call predecessors, (221), 221 states have call successors, (221) [2024-11-10 19:04:09,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 1409 states and 1815 transitions. [2024-11-10 19:04:09,440 INFO L78 Accepts]: Start accepts. Automaton has 1409 states and 1815 transitions. Word has length 173 [2024-11-10 19:04:09,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:04:09,441 INFO L471 AbstractCegarLoop]: Abstraction has 1409 states and 1815 transitions. [2024-11-10 19:04:09,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.3) internal successors, (83), 11 states have internal predecessors, (83), 5 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-10 19:04:09,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 1815 transitions. [2024-11-10 19:04:09,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-10 19:04:09,441 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:04:09,442 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:04:09,448 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-10 19:04:09,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:04:09,643 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:04:09,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:04:09,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1736224191, now seen corresponding path program 3 times [2024-11-10 19:04:09,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:04:09,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909356045] [2024-11-10 19:04:09,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:04:09,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:04:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:04:09,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [887934694] [2024-11-10 19:04:09,657 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 19:04:09,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:04:09,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:04:09,658 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:04:09,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-10 19:04:09,710 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-10 19:04:09,710 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:04:09,713 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-10 19:04:09,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:04:10,099 INFO L134 CoverageAnalysis]: Checked inductivity of 509 backedges. 66 proven. 77 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2024-11-10 19:04:10,099 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:04:10,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:04:10,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909356045] [2024-11-10 19:04:10,250 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:04:10,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887934694] [2024-11-10 19:04:10,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [887934694] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:04:10,250 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:04:10,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-10 19:04:10,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896627921] [2024-11-10 19:04:10,250 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:04:10,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 19:04:10,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:04:10,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 19:04:10,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2024-11-10 19:04:10,251 INFO L87 Difference]: Start difference. First operand 1409 states and 1815 transitions. Second operand has 13 states, 12 states have (on average 7.0) internal successors, (84), 13 states have internal predecessors, (84), 6 states have call successors, (15), 1 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-10 19:04:10,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:04:10,784 INFO L93 Difference]: Finished difference Result 1418 states and 1822 transitions. [2024-11-10 19:04:10,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-10 19:04:10,785 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.0) internal successors, (84), 13 states have internal predecessors, (84), 6 states have call successors, (15), 1 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 6 states have call successors, (15) Word has length 175 [2024-11-10 19:04:10,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:04:10,789 INFO L225 Difference]: With dead ends: 1418 [2024-11-10 19:04:10,789 INFO L226 Difference]: Without dead ends: 1391 [2024-11-10 19:04:10,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 213 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=152, Invalid=660, Unknown=0, NotChecked=0, Total=812 [2024-11-10 19:04:10,789 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 202 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 642 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:04:10,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 215 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 642 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:04:10,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1391 states. [2024-11-10 19:04:10,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1391 to 1385. [2024-11-10 19:04:10,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1385 states, 1153 states have (on average 1.1292281006071119) internal successors, (1302), 1163 states have internal predecessors, (1302), 219 states have call successors, (219), 2 states have call predecessors, (219), 2 states have return successors, (219), 219 states have call predecessors, (219), 219 states have call successors, (219) [2024-11-10 19:04:10,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1385 states and 1740 transitions. [2024-11-10 19:04:10,906 INFO L78 Accepts]: Start accepts. Automaton has 1385 states and 1740 transitions. Word has length 175 [2024-11-10 19:04:10,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:04:10,907 INFO L471 AbstractCegarLoop]: Abstraction has 1385 states and 1740 transitions. [2024-11-10 19:04:10,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.0) internal successors, (84), 13 states have internal predecessors, (84), 6 states have call successors, (15), 1 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-10 19:04:10,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 1740 transitions. [2024-11-10 19:04:10,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-10 19:04:10,907 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:04:10,908 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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 19:04:10,919 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-10 19:04:11,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-10 19:04:11,111 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:04:11,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:04:11,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1386488406, now seen corresponding path program 1 times [2024-11-10 19:04:11,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:04:11,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172749222] [2024-11-10 19:04:11,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:04:11,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:04:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:11,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:04:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:11,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:04:11,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:11,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:04:11,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:11,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 19:04:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:11,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:04:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:11,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:04:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:11,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:04:11,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:11,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:04:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:11,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 19:04:11,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:11,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:04:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:11,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-10 19:04:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:11,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-10 19:04:11,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:11,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-10 19:04:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:11,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 19:04:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:11,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 19:04:11,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:11,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 19:04:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:11,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 19:04:11,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:11,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 19:04:11,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:11,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-10 19:04:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:11,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 19:04:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:11,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-10 19:04:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:11,202 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2024-11-10 19:04:11,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:04:11,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172749222] [2024-11-10 19:04:11,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172749222] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:04:11,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1839595161] [2024-11-10 19:04:11,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:04:11,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:04:11,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:04:11,203 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:04:11,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-10 19:04:11,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:11,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:04:11,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:04:11,367 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2024-11-10 19:04:11,367 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:04:11,540 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2024-11-10 19:04:11,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1839595161] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:04:11,540 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:04:11,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-10 19:04:11,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072526867] [2024-11-10 19:04:11,540 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:04:11,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:04:11,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:04:11,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:04:11,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:04:11,541 INFO L87 Difference]: Start difference. First operand 1385 states and 1740 transitions. Second operand has 11 states, 10 states have (on average 19.9) internal successors, (199), 11 states have internal predecessors, (199), 10 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 10 states have call predecessors, (41), 10 states have call successors, (41) [2024-11-10 19:04:11,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:04:11,917 INFO L93 Difference]: Finished difference Result 3105 states and 3981 transitions. [2024-11-10 19:04:11,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 19:04:11,918 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 19.9) internal successors, (199), 11 states have internal predecessors, (199), 10 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 10 states have call predecessors, (41), 10 states have call successors, (41) Word has length 198 [2024-11-10 19:04:11,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:04:11,925 INFO L225 Difference]: With dead ends: 3105 [2024-11-10 19:04:11,925 INFO L226 Difference]: Without dead ends: 3104 [2024-11-10 19:04:11,925 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 432 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:04:11,926 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 384 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:04:11,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 435 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:04:11,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3104 states. [2024-11-10 19:04:12,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3104 to 2460. [2024-11-10 19:04:12,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2460 states, 2058 states have (on average 1.1642371234207969) internal successors, (2396), 2068 states have internal predecessors, (2396), 389 states have call successors, (389), 2 states have call predecessors, (389), 2 states have return successors, (389), 389 states have call predecessors, (389), 389 states have call successors, (389) [2024-11-10 19:04:12,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2460 states to 2460 states and 3174 transitions. [2024-11-10 19:04:12,116 INFO L78 Accepts]: Start accepts. Automaton has 2460 states and 3174 transitions. Word has length 198 [2024-11-10 19:04:12,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:04:12,116 INFO L471 AbstractCegarLoop]: Abstraction has 2460 states and 3174 transitions. [2024-11-10 19:04:12,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 19.9) internal successors, (199), 11 states have internal predecessors, (199), 10 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 10 states have call predecessors, (41), 10 states have call successors, (41) [2024-11-10 19:04:12,117 INFO L276 IsEmpty]: Start isEmpty. Operand 2460 states and 3174 transitions. [2024-11-10 19:04:12,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-10 19:04:12,117 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:04:12,117 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:04:12,129 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-10 19:04:12,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-10 19:04:12,318 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:04:12,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:04:12,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1116185602, now seen corresponding path program 3 times [2024-11-10 19:04:12,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:04:12,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583721858] [2024-11-10 19:04:12,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:04:12,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:04:12,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:04:12,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1120015866] [2024-11-10 19:04:12,332 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 19:04:12,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:04:12,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:04:12,334 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:04:12,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-10 19:04:12,411 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-10 19:04:12,411 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:04:12,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:04:12,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:04:12,536 INFO L134 CoverageAnalysis]: Checked inductivity of 747 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2024-11-10 19:04:12,536 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:04:12,727 INFO L134 CoverageAnalysis]: Checked inductivity of 747 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2024-11-10 19:04:12,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:04:12,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583721858] [2024-11-10 19:04:12,728 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:04:12,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120015866] [2024-11-10 19:04:12,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1120015866] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:04:12,728 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:04:12,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2024-11-10 19:04:12,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335401221] [2024-11-10 19:04:12,728 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:04:12,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:04:12,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:04:12,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:04:12,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:04:12,729 INFO L87 Difference]: Start difference. First operand 2460 states and 3174 transitions. Second operand has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-10 19:04:13,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:04:13,481 INFO L93 Difference]: Finished difference Result 2465 states and 3175 transitions. [2024-11-10 19:04:13,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:04:13,481 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 203 [2024-11-10 19:04:13,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:04:13,488 INFO L225 Difference]: With dead ends: 2465 [2024-11-10 19:04:13,488 INFO L226 Difference]: Without dead ends: 2455 [2024-11-10 19:04:13,488 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 399 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:04:13,488 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 68 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:04:13,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 133 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:04:13,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2455 states. [2024-11-10 19:04:13,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2455 to 1975. [2024-11-10 19:04:13,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1975 states, 1652 states have (on average 1.137409200968523) internal successors, (1879), 1660 states have internal predecessors, (1879), 312 states have call successors, (312), 2 states have call predecessors, (312), 2 states have return successors, (312), 312 states have call predecessors, (312), 312 states have call successors, (312) [2024-11-10 19:04:13,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1975 states to 1975 states and 2503 transitions. [2024-11-10 19:04:13,673 INFO L78 Accepts]: Start accepts. Automaton has 1975 states and 2503 transitions. Word has length 203 [2024-11-10 19:04:13,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:04:13,674 INFO L471 AbstractCegarLoop]: Abstraction has 1975 states and 2503 transitions. [2024-11-10 19:04:13,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-10 19:04:13,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1975 states and 2503 transitions. [2024-11-10 19:04:13,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-10 19:04:13,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:04:13,676 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:04:13,681 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-10 19:04:13,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-10 19:04:13,878 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:04:13,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:04:13,878 INFO L85 PathProgramCache]: Analyzing trace with hash 891166122, now seen corresponding path program 2 times [2024-11-10 19:04:13,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:04:13,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219926596] [2024-11-10 19:04:13,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:04:13,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:04:13,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:13,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:04:14,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:14,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:04:14,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:14,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:04:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:14,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 19:04:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:14,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:04:14,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:14,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:04:14,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:14,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:04:14,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:14,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:04:14,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:14,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 19:04:14,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:14,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:04:14,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:14,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-10 19:04:14,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:14,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-10 19:04:14,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:14,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-10 19:04:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:14,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 19:04:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:14,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 19:04:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:14,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 19:04:14,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:14,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 19:04:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:14,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 19:04:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:14,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-10 19:04:14,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:14,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 19:04:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:14,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-10 19:04:14,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:14,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-10 19:04:14,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:14,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 19:04:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:14,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-10 19:04:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:14,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1050 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 852 trivial. 0 not checked. [2024-11-10 19:04:14,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:04:14,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219926596] [2024-11-10 19:04:14,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219926596] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:04:14,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167225625] [2024-11-10 19:04:14,033 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:04:14,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:04:14,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:04:14,034 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:04:14,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-10 19:04:14,089 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:04:14,089 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:04:14,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:04:14,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:04:14,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1050 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 852 trivial. 0 not checked. [2024-11-10 19:04:14,203 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:04:14,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1050 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 852 trivial. 0 not checked. [2024-11-10 19:04:14,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [167225625] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:04:14,450 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:04:14,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-10 19:04:14,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165163462] [2024-11-10 19:04:14,450 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:04:14,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 19:04:14,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:04:14,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 19:04:14,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=105, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:04:14,451 INFO L87 Difference]: Start difference. First operand 1975 states and 2503 transitions. Second operand has 14 states, 13 states have (on average 15.846153846153847) internal successors, (206), 14 states have internal predecessors, (206), 13 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 13 states have call predecessors, (43), 13 states have call successors, (43) [2024-11-10 19:04:15,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:04:15,493 INFO L93 Difference]: Finished difference Result 2972 states and 3698 transitions. [2024-11-10 19:04:15,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 19:04:15,494 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 15.846153846153847) internal successors, (206), 14 states have internal predecessors, (206), 13 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 13 states have call predecessors, (43), 13 states have call successors, (43) Word has length 226 [2024-11-10 19:04:15,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:04:15,503 INFO L225 Difference]: With dead ends: 2972 [2024-11-10 19:04:15,503 INFO L226 Difference]: Without dead ends: 2971 [2024-11-10 19:04:15,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 508 GetRequests, 494 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=143, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:04:15,507 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 544 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:04:15,507 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 509 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 19:04:15,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2971 states. [2024-11-10 19:04:15,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2971 to 2262. [2024-11-10 19:04:15,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2262 states, 1890 states have (on average 1.1216931216931216) internal successors, (2120), 1898 states have internal predecessors, (2120), 361 states have call successors, (361), 2 states have call predecessors, (361), 2 states have return successors, (361), 361 states have call predecessors, (361), 361 states have call successors, (361) [2024-11-10 19:04:15,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2262 states to 2262 states and 2842 transitions. [2024-11-10 19:04:15,729 INFO L78 Accepts]: Start accepts. Automaton has 2262 states and 2842 transitions. Word has length 226 [2024-11-10 19:04:15,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:04:15,729 INFO L471 AbstractCegarLoop]: Abstraction has 2262 states and 2842 transitions. [2024-11-10 19:04:15,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 15.846153846153847) internal successors, (206), 14 states have internal predecessors, (206), 13 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 13 states have call predecessors, (43), 13 states have call successors, (43) [2024-11-10 19:04:15,729 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 2842 transitions. [2024-11-10 19:04:15,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-11-10 19:04:15,731 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:04:15,731 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:04:15,743 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-10 19:04:15,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-10 19:04:15,931 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:04:15,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:04:15,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1290534267, now seen corresponding path program 1 times [2024-11-10 19:04:15,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:04:15,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53274752] [2024-11-10 19:04:15,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:04:15,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:04:15,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:16,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:04:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:16,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:04:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:16,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:04:16,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:16,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 19:04:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:16,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:04:16,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:16,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:04:16,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:16,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:04:16,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:16,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:04:16,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:16,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 19:04:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:16,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:04:16,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:16,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-10 19:04:16,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:16,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-10 19:04:16,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:16,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-10 19:04:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:16,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 19:04:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:16,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 19:04:16,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:16,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 19:04:16,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:16,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 19:04:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:16,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 19:04:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:16,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-10 19:04:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:16,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 19:04:16,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:16,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-10 19:04:16,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:16,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-10 19:04:16,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:16,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 19:04:16,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:16,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-10 19:04:16,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:16,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1074 backedges. 106 proven. 6 refuted. 0 times theorem prover too weak. 962 trivial. 0 not checked. [2024-11-10 19:04:16,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:04:16,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53274752] [2024-11-10 19:04:16,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53274752] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:04:16,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [217653982] [2024-11-10 19:04:16,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:04:16,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:04:16,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:04:16,255 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:04:16,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-10 19:04:16,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:16,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:04:16,313 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:04:16,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1074 backedges. 106 proven. 6 refuted. 0 times theorem prover too weak. 962 trivial. 0 not checked. [2024-11-10 19:04:16,369 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:04:16,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1074 backedges. 106 proven. 6 refuted. 0 times theorem prover too weak. 962 trivial. 0 not checked. [2024-11-10 19:04:16,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [217653982] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:04:16,807 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:04:16,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2024-11-10 19:04:16,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43848139] [2024-11-10 19:04:16,807 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:04:16,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:04:16,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:04:16,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:04:16,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:04:16,808 INFO L87 Difference]: Start difference. First operand 2262 states and 2842 transitions. Second operand has 9 states, 8 states have (on average 8.0) internal successors, (64), 9 states have internal predecessors, (64), 3 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-10 19:04:17,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:04:17,661 INFO L93 Difference]: Finished difference Result 2264 states and 2844 transitions. [2024-11-10 19:04:17,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:04:17,662 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.0) internal successors, (64), 9 states have internal predecessors, (64), 3 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 232 [2024-11-10 19:04:17,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:04:17,667 INFO L225 Difference]: With dead ends: 2264 [2024-11-10 19:04:17,667 INFO L226 Difference]: Without dead ends: 2263 [2024-11-10 19:04:17,668 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 516 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:04:17,668 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 29 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:04:17,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 107 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:04:17,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2263 states. [2024-11-10 19:04:17,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2263 to 2261. [2024-11-10 19:04:17,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2261 states, 1890 states have (on average 1.0931216931216932) internal successors, (2066), 1897 states have internal predecessors, (2066), 361 states have call successors, (361), 2 states have call predecessors, (361), 2 states have return successors, (361), 361 states have call predecessors, (361), 361 states have call successors, (361) [2024-11-10 19:04:17,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2261 states to 2261 states and 2788 transitions. [2024-11-10 19:04:17,863 INFO L78 Accepts]: Start accepts. Automaton has 2261 states and 2788 transitions. Word has length 232 [2024-11-10 19:04:17,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:04:17,863 INFO L471 AbstractCegarLoop]: Abstraction has 2261 states and 2788 transitions. [2024-11-10 19:04:17,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.0) internal successors, (64), 9 states have internal predecessors, (64), 3 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-10 19:04:17,863 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 2788 transitions. [2024-11-10 19:04:17,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2024-11-10 19:04:17,864 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:04:17,864 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:04:17,876 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-10 19:04:18,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-10 19:04:18,065 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:04:18,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:04:18,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1287635765, now seen corresponding path program 1 times [2024-11-10 19:04:18,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:04:18,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915709046] [2024-11-10 19:04:18,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:04:18,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:04:18,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:04:18,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:04:18,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:04:18,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 19:04:18,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:04:18,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:04:18,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:04:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:04:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 19:04:18,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:04:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-10 19:04:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-10 19:04:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 19:04:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 19:04:18,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 19:04:18,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 19:04:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 19:04:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 19:04:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-10 19:04:18,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 19:04:18,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-10 19:04:18,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 19:04:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-10 19:04:18,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-10 19:04:18,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-10 19:04:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2024-11-10 19:04:18,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:04:18,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915709046] [2024-11-10 19:04:18,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915709046] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:04:18,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529727654] [2024-11-10 19:04:18,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:04:18,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:04:18,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:04:18,235 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:04:18,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-10 19:04:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:18,292 INFO L255 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:04:18,294 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:04:18,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 570 proven. 42 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2024-11-10 19:04:18,386 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:04:18,522 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 122 proven. 42 refuted. 0 times theorem prover too weak. 961 trivial. 0 not checked. [2024-11-10 19:04:18,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1529727654] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:04:18,522 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:04:18,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 15 [2024-11-10 19:04:18,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748615995] [2024-11-10 19:04:18,522 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:04:18,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 19:04:18,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:04:18,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 19:04:18,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-10 19:04:18,524 INFO L87 Difference]: Start difference. First operand 2261 states and 2788 transitions. Second operand has 15 states, 15 states have (on average 15.066666666666666) internal successors, (226), 15 states have internal predecessors, (226), 13 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 13 states have call predecessors, (47), 13 states have call successors, (47) [2024-11-10 19:04:19,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:04:19,439 INFO L93 Difference]: Finished difference Result 3778 states and 4675 transitions. [2024-11-10 19:04:19,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-10 19:04:19,439 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 15.066666666666666) internal successors, (226), 15 states have internal predecessors, (226), 13 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 13 states have call predecessors, (47), 13 states have call successors, (47) Word has length 243 [2024-11-10 19:04:19,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:04:19,443 INFO L225 Difference]: With dead ends: 3778 [2024-11-10 19:04:19,443 INFO L226 Difference]: Without dead ends: 2178 [2024-11-10 19:04:19,446 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 560 GetRequests, 528 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=183, Invalid=687, Unknown=0, NotChecked=0, Total=870 [2024-11-10 19:04:19,446 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 306 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 1019 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 1070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1019 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:04:19,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 619 Invalid, 1070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1019 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:04:19,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2178 states. [2024-11-10 19:04:19,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2178 to 2123. [2024-11-10 19:04:19,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2123 states, 1775 states have (on average 1.0969014084507043) internal successors, (1947), 1782 states have internal predecessors, (1947), 338 states have call successors, (338), 2 states have call predecessors, (338), 2 states have return successors, (338), 338 states have call predecessors, (338), 338 states have call successors, (338) [2024-11-10 19:04:19,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 2123 states and 2623 transitions. [2024-11-10 19:04:19,640 INFO L78 Accepts]: Start accepts. Automaton has 2123 states and 2623 transitions. Word has length 243 [2024-11-10 19:04:19,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:04:19,640 INFO L471 AbstractCegarLoop]: Abstraction has 2123 states and 2623 transitions. [2024-11-10 19:04:19,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 15.066666666666666) internal successors, (226), 15 states have internal predecessors, (226), 13 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 13 states have call predecessors, (47), 13 states have call successors, (47) [2024-11-10 19:04:19,640 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 2623 transitions. [2024-11-10 19:04:19,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2024-11-10 19:04:19,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:04:19,641 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:04:19,656 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-10 19:04:19,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2024-11-10 19:04:19,842 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:04:19,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:04:19,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1050571573, now seen corresponding path program 2 times [2024-11-10 19:04:19,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:04:19,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131964790] [2024-11-10 19:04:19,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:04:19,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:04:19,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:19,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:04:19,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:19,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:04:19,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:19,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:04:19,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:19,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 19:04:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:19,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:04:19,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:19,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:04:19,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:19,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:04:19,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:19,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:04:19,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:19,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 19:04:19,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:19,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:04:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:19,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-10 19:04:19,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:19,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-10 19:04:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:19,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-10 19:04:19,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:19,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 19:04:19,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:19,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 19:04:19,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:19,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 19:04:19,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:19,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 19:04:19,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:19,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 19:04:19,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:19,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-10 19:04:19,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:19,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 19:04:19,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:20,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-10 19:04:20,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:20,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-10 19:04:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:20,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-10 19:04:20,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:20,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-10 19:04:20,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:20,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-10 19:04:20,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:20,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2024-11-10 19:04:20,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:04:20,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131964790] [2024-11-10 19:04:20,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131964790] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:04:20,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549237932] [2024-11-10 19:04:20,015 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:04:20,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:04:20,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:04:20,016 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:04:20,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-10 19:04:20,077 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:04:20,078 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:04:20,079 INFO L255 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 19:04:20,081 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:04:20,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2024-11-10 19:04:20,359 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:04:20,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2024-11-10 19:04:20,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549237932] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:04:20,571 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:04:20,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-11-10 19:04:20,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616985032] [2024-11-10 19:04:20,571 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:04:20,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-10 19:04:20,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:04:20,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-10 19:04:20,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=292, Unknown=0, NotChecked=0, Total=462 [2024-11-10 19:04:20,572 INFO L87 Difference]: Start difference. First operand 2123 states and 2623 transitions. Second operand has 22 states, 21 states have (on average 16.476190476190474) internal successors, (346), 22 states have internal predecessors, (346), 21 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 21 states have call predecessors, (67), 21 states have call successors, (67) [2024-11-10 19:04:21,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:04:21,665 INFO L93 Difference]: Finished difference Result 4738 states and 5853 transitions. [2024-11-10 19:04:21,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-10 19:04:21,665 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 16.476190476190474) internal successors, (346), 22 states have internal predecessors, (346), 21 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 21 states have call predecessors, (67), 21 states have call successors, (67) Word has length 243 [2024-11-10 19:04:21,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:04:21,673 INFO L225 Difference]: With dead ends: 4738 [2024-11-10 19:04:21,673 INFO L226 Difference]: Without dead ends: 4737 [2024-11-10 19:04:21,674 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 561 GetRequests, 522 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 549 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=620, Invalid=1020, Unknown=0, NotChecked=0, Total=1640 [2024-11-10 19:04:21,674 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 1397 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 257 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1411 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 257 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:04:21,675 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1411 Valid, 458 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [257 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:04:21,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4737 states. [2024-11-10 19:04:22,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4737 to 2792. [2024-11-10 19:04:22,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2792 states, 2339 states have (on average 1.089781958101753) internal successors, (2549), 2346 states have internal predecessors, (2549), 443 states have call successors, (443), 2 states have call predecessors, (443), 2 states have return successors, (443), 443 states have call predecessors, (443), 443 states have call successors, (443) [2024-11-10 19:04:22,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2792 states to 2792 states and 3435 transitions. [2024-11-10 19:04:22,017 INFO L78 Accepts]: Start accepts. Automaton has 2792 states and 3435 transitions. Word has length 243 [2024-11-10 19:04:22,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:04:22,018 INFO L471 AbstractCegarLoop]: Abstraction has 2792 states and 3435 transitions. [2024-11-10 19:04:22,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 16.476190476190474) internal successors, (346), 22 states have internal predecessors, (346), 21 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 21 states have call predecessors, (67), 21 states have call successors, (67) [2024-11-10 19:04:22,018 INFO L276 IsEmpty]: Start isEmpty. Operand 2792 states and 3435 transitions. [2024-11-10 19:04:22,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2024-11-10 19:04:22,019 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:04:22,019 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:04:22,031 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-10 19:04:22,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:04:22,219 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:04:22,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:04:22,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1678860874, now seen corresponding path program 4 times [2024-11-10 19:04:22,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:04:22,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773206298] [2024-11-10 19:04:22,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:04:22,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:04:22,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:04:22,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1925810926] [2024-11-10 19:04:22,237 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-10 19:04:22,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:04:22,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:04:22,239 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:04:22,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-10 19:04:22,302 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-10 19:04:22,302 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:04:22,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-10 19:04:22,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:04:22,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1226 backedges. 137 proven. 71 refuted. 0 times theorem prover too weak. 1018 trivial. 0 not checked. [2024-11-10 19:04:22,838 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:04:22,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:04:22,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773206298] [2024-11-10 19:04:22,958 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:04:22,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1925810926] [2024-11-10 19:04:22,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1925810926] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:04:22,958 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:04:22,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-10 19:04:22,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295042501] [2024-11-10 19:04:22,959 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:04:22,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 19:04:22,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:04:22,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 19:04:22,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:04:22,960 INFO L87 Difference]: Start difference. First operand 2792 states and 3435 transitions. Second operand has 14 states, 13 states have (on average 10.23076923076923) internal successors, (133), 14 states have internal predecessors, (133), 10 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 9 states have call predecessors, (26), 10 states have call successors, (26) [2024-11-10 19:04:24,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:04:24,413 INFO L93 Difference]: Finished difference Result 3614 states and 4454 transitions. [2024-11-10 19:04:24,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-10 19:04:24,413 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.23076923076923) internal successors, (133), 14 states have internal predecessors, (133), 10 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 9 states have call predecessors, (26), 10 states have call successors, (26) Word has length 254 [2024-11-10 19:04:24,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:04:24,420 INFO L225 Difference]: With dead ends: 3614 [2024-11-10 19:04:24,420 INFO L226 Difference]: Without dead ends: 3601 [2024-11-10 19:04:24,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=300, Invalid=1182, Unknown=0, NotChecked=0, Total=1482 [2024-11-10 19:04:24,421 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 332 mSDsluCounter, 847 mSDsCounter, 0 mSdLazyCounter, 1934 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 1012 SdHoareTripleChecker+Invalid, 1991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:04:24,421 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 1012 Invalid, 1991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1934 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 19:04:24,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3601 states. [2024-11-10 19:04:24,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3601 to 2713. [2024-11-10 19:04:24,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2713 states, 2272 states have (on average 1.087588028169014) internal successors, (2471), 2279 states have internal predecessors, (2471), 431 states have call successors, (431), 2 states have call predecessors, (431), 2 states have return successors, (431), 431 states have call predecessors, (431), 431 states have call successors, (431) [2024-11-10 19:04:24,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2713 states to 2713 states and 3333 transitions. [2024-11-10 19:04:24,701 INFO L78 Accepts]: Start accepts. Automaton has 2713 states and 3333 transitions. Word has length 254 [2024-11-10 19:04:24,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:04:24,701 INFO L471 AbstractCegarLoop]: Abstraction has 2713 states and 3333 transitions. [2024-11-10 19:04:24,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.23076923076923) internal successors, (133), 14 states have internal predecessors, (133), 10 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 9 states have call predecessors, (26), 10 states have call successors, (26) [2024-11-10 19:04:24,702 INFO L276 IsEmpty]: Start isEmpty. Operand 2713 states and 3333 transitions. [2024-11-10 19:04:24,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-10 19:04:24,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:04:24,703 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:04:24,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-10 19:04:24,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:04:24,904 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:04:24,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:04:24,904 INFO L85 PathProgramCache]: Analyzing trace with hash 141056062, now seen corresponding path program 5 times [2024-11-10 19:04:24,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:04:24,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118195614] [2024-11-10 19:04:24,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:04:24,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:04:24,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:04:24,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [784239857] [2024-11-10 19:04:24,936 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-10 19:04:24,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:04:24,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:04:24,939 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:04:24,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-10 19:04:25,025 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2024-11-10 19:04:25,025 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:04:25,029 INFO L255 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-10 19:04:25,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:04:25,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1721 backedges. 0 proven. 311 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2024-11-10 19:04:25,961 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:04:26,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:04:26,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118195614] [2024-11-10 19:04:26,059 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:04:26,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [784239857] [2024-11-10 19:04:26,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [784239857] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:04:26,059 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:04:26,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2024-11-10 19:04:26,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226322166] [2024-11-10 19:04:26,059 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:04:26,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-10 19:04:26,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:04:26,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-10 19:04:26,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=392, Unknown=0, NotChecked=0, Total=462 [2024-11-10 19:04:26,060 INFO L87 Difference]: Start difference. First operand 2713 states and 3333 transitions. Second operand has 20 states, 19 states have (on average 8.105263157894736) internal successors, (154), 20 states have internal predecessors, (154), 12 states have call successors, (30), 1 states have call predecessors, (30), 2 states have return successors, (30), 11 states have call predecessors, (30), 12 states have call successors, (30) [2024-11-10 19:04:27,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:04:27,841 INFO L93 Difference]: Finished difference Result 3559 states and 4384 transitions. [2024-11-10 19:04:27,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-10 19:04:27,841 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 8.105263157894736) internal successors, (154), 20 states have internal predecessors, (154), 12 states have call successors, (30), 1 states have call predecessors, (30), 2 states have return successors, (30), 11 states have call predecessors, (30), 12 states have call successors, (30) Word has length 295 [2024-11-10 19:04:27,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:04:27,847 INFO L225 Difference]: With dead ends: 3559 [2024-11-10 19:04:27,847 INFO L226 Difference]: Without dead ends: 3558 [2024-11-10 19:04:27,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 371 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=222, Invalid=1418, Unknown=0, NotChecked=0, Total=1640 [2024-11-10 19:04:27,848 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 382 mSDsluCounter, 1111 mSDsCounter, 0 mSdLazyCounter, 2933 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 1267 SdHoareTripleChecker+Invalid, 2996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 2933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:04:27,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 1267 Invalid, 2996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 2933 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-10 19:04:27,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3558 states. [2024-11-10 19:04:28,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3558 to 2433. [2024-11-10 19:04:28,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2433 states, 2036 states have (on average 1.0898821218074657) internal successors, (2219), 2043 states have internal predecessors, (2219), 387 states have call successors, (387), 2 states have call predecessors, (387), 2 states have return successors, (387), 387 states have call predecessors, (387), 387 states have call successors, (387) [2024-11-10 19:04:28,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2433 states to 2433 states and 2993 transitions. [2024-11-10 19:04:28,113 INFO L78 Accepts]: Start accepts. Automaton has 2433 states and 2993 transitions. Word has length 295 [2024-11-10 19:04:28,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:04:28,113 INFO L471 AbstractCegarLoop]: Abstraction has 2433 states and 2993 transitions. [2024-11-10 19:04:28,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 8.105263157894736) internal successors, (154), 20 states have internal predecessors, (154), 12 states have call successors, (30), 1 states have call predecessors, (30), 2 states have return successors, (30), 11 states have call predecessors, (30), 12 states have call successors, (30) [2024-11-10 19:04:28,113 INFO L276 IsEmpty]: Start isEmpty. Operand 2433 states and 2993 transitions. [2024-11-10 19:04:28,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-11-10 19:04:28,114 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:04:28,115 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:04:28,127 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-11-10 19:04:28,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-11-10 19:04:28,315 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:04:28,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:04:28,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1945155055, now seen corresponding path program 4 times [2024-11-10 19:04:28,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:04:28,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800413673] [2024-11-10 19:04:28,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:04:28,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:04:28,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:04:28,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [25310787] [2024-11-10 19:04:28,349 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-10 19:04:28,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:04:28,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:04:28,351 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:04:28,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-10 19:04:28,420 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-10 19:04:28,420 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:04:28,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-10 19:04:28,425 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:04:29,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1839 backedges. 3 proven. 318 refuted. 0 times theorem prover too weak. 1518 trivial. 0 not checked. [2024-11-10 19:04:29,497 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:04:29,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:04:29,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800413673] [2024-11-10 19:04:29,843 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:04:29,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25310787] [2024-11-10 19:04:29,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [25310787] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:04:29,843 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:04:29,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2024-11-10 19:04:29,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204497551] [2024-11-10 19:04:29,843 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:04:29,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-10 19:04:29,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:04:29,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-10 19:04:29,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=392, Unknown=0, NotChecked=0, Total=506 [2024-11-10 19:04:29,844 INFO L87 Difference]: Start difference. First operand 2433 states and 2993 transitions. Second operand has 21 states, 20 states have (on average 8.0) internal successors, (160), 20 states have internal predecessors, (160), 12 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (31), 12 states have call predecessors, (31), 12 states have call successors, (31) [2024-11-10 19:04:30,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:04:30,801 INFO L93 Difference]: Finished difference Result 3587 states and 4408 transitions. [2024-11-10 19:04:30,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-10 19:04:30,801 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 8.0) internal successors, (160), 20 states have internal predecessors, (160), 12 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (31), 12 states have call predecessors, (31), 12 states have call successors, (31) Word has length 306 [2024-11-10 19:04:30,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:04:30,806 INFO L225 Difference]: With dead ends: 3587 [2024-11-10 19:04:30,806 INFO L226 Difference]: Without dead ends: 2435 [2024-11-10 19:04:30,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=181, Invalid=689, Unknown=0, NotChecked=0, Total=870 [2024-11-10 19:04:30,809 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 168 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 1268 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 1289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:04:30,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 475 Invalid, 1289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1268 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:04:30,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2435 states. [2024-11-10 19:04:31,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2435 to 2433. [2024-11-10 19:04:31,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2433 states, 2036 states have (on average 1.0893909626719056) internal successors, (2218), 2043 states have internal predecessors, (2218), 387 states have call successors, (387), 2 states have call predecessors, (387), 2 states have return successors, (387), 387 states have call predecessors, (387), 387 states have call successors, (387) [2024-11-10 19:04:31,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2433 states to 2433 states and 2992 transitions. [2024-11-10 19:04:31,079 INFO L78 Accepts]: Start accepts. Automaton has 2433 states and 2992 transitions. Word has length 306 [2024-11-10 19:04:31,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:04:31,080 INFO L471 AbstractCegarLoop]: Abstraction has 2433 states and 2992 transitions. [2024-11-10 19:04:31,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 8.0) internal successors, (160), 20 states have internal predecessors, (160), 12 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (31), 12 states have call predecessors, (31), 12 states have call successors, (31) [2024-11-10 19:04:31,080 INFO L276 IsEmpty]: Start isEmpty. Operand 2433 states and 2992 transitions. [2024-11-10 19:04:31,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2024-11-10 19:04:31,081 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:04:31,081 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:04:31,094 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-11-10 19:04:31,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:04:31,285 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:04:31,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:04:31,286 INFO L85 PathProgramCache]: Analyzing trace with hash 800697162, now seen corresponding path program 6 times [2024-11-10 19:04:31,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:04:31,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548921870] [2024-11-10 19:04:31,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:04:31,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:04:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:31,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:04:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:31,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:04:31,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:31,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:04:31,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:31,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 19:04:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:31,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:04:31,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:31,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:04:31,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:31,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:04:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:31,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:04:31,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:31,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 19:04:31,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:31,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:04:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:31,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-10 19:04:31,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:31,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-10 19:04:31,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:31,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-10 19:04:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:31,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 19:04:31,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:31,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 19:04:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:31,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 19:04:31,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:31,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 19:04:31,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:31,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 19:04:31,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:31,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-10 19:04:31,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:31,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 19:04:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:31,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-10 19:04:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:31,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-10 19:04:31,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:31,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 19:04:31,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:31,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-10 19:04:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:31,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-10 19:04:31,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:31,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-10 19:04:31,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:31,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-10 19:04:31,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:31,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-10 19:04:31,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:31,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-10 19:04:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:31,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-10 19:04:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:31,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-10 19:04:31,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:31,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-10 19:04:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:31,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-10 19:04:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:31,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-11-10 19:04:31,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:31,724 INFO L134 CoverageAnalysis]: Checked inductivity of 2305 backedges. 157 proven. 282 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2024-11-10 19:04:31,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:04:31,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548921870] [2024-11-10 19:04:31,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548921870] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:04:31,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1011043360] [2024-11-10 19:04:31,725 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-10 19:04:31,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:04:31,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:04:31,727 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:04:31,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-10 19:04:31,819 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-11-10 19:04:31,820 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:04:31,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-10 19:04:31,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:04:32,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2305 backedges. 184 proven. 212 refuted. 0 times theorem prover too weak. 1909 trivial. 0 not checked. [2024-11-10 19:04:32,593 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:04:40,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1011043360] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:04:40,395 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:04:40,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 13] total 26 [2024-11-10 19:04:40,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18012276] [2024-11-10 19:04:40,395 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:04:40,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-10 19:04:40,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:04:40,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-10 19:04:40,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=878, Unknown=2, NotChecked=0, Total=992 [2024-11-10 19:04:40,397 INFO L87 Difference]: Start difference. First operand 2433 states and 2992 transitions. Second operand has 26 states, 26 states have (on average 10.038461538461538) internal successors, (261), 23 states have internal predecessors, (261), 16 states have call successors, (49), 1 states have call predecessors, (49), 3 states have return successors, (51), 19 states have call predecessors, (51), 16 states have call successors, (51) [2024-11-10 19:04:42,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:04:42,814 INFO L93 Difference]: Finished difference Result 2683 states and 3290 transitions. [2024-11-10 19:04:42,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-10 19:04:42,815 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 10.038461538461538) internal successors, (261), 23 states have internal predecessors, (261), 16 states have call successors, (49), 1 states have call predecessors, (49), 3 states have return successors, (51), 19 states have call predecessors, (51), 16 states have call successors, (51) Word has length 336 [2024-11-10 19:04:42,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:04:42,817 INFO L225 Difference]: With dead ends: 2683 [2024-11-10 19:04:42,817 INFO L226 Difference]: Without dead ends: 640 [2024-11-10 19:04:42,820 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 470 GetRequests, 408 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 811 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=812, Invalid=3218, Unknown=2, NotChecked=0, Total=4032 [2024-11-10 19:04:42,820 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 547 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 1704 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 1816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 1704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:04:42,821 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 621 Invalid, 1816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 1704 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 19:04:42,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2024-11-10 19:04:42,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 578. [2024-11-10 19:04:42,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 578 states, 481 states have (on average 1.0582120582120582) internal successors, (509), 484 states have internal predecessors, (509), 91 states have call successors, (91), 2 states have call predecessors, (91), 2 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2024-11-10 19:04:42,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 691 transitions. [2024-11-10 19:04:42,916 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 691 transitions. Word has length 336 [2024-11-10 19:04:42,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:04:42,916 INFO L471 AbstractCegarLoop]: Abstraction has 578 states and 691 transitions. [2024-11-10 19:04:42,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 10.038461538461538) internal successors, (261), 23 states have internal predecessors, (261), 16 states have call successors, (49), 1 states have call predecessors, (49), 3 states have return successors, (51), 19 states have call predecessors, (51), 16 states have call successors, (51) [2024-11-10 19:04:42,916 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 691 transitions. [2024-11-10 19:04:42,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2024-11-10 19:04:42,917 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:04:42,917 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:04:42,923 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-11-10 19:04:43,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-10 19:04:43,118 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-10 19:04:43,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:04:43,118 INFO L85 PathProgramCache]: Analyzing trace with hash 888226659, now seen corresponding path program 5 times [2024-11-10 19:04:43,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:04:43,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799219227] [2024-11-10 19:04:43,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:04:43,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:04:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:43,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:04:43,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:43,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:04:43,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:43,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:04:43,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:43,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 19:04:43,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:43,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:04:43,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:43,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 19:04:43,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:43,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 19:04:43,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:43,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:04:43,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:43,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 19:04:43,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:43,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 19:04:43,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:43,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-10 19:04:43,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:43,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-10 19:04:43,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:43,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-10 19:04:43,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:43,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 19:04:43,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:43,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 19:04:43,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:43,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 19:04:43,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:43,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 19:04:43,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:43,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 19:04:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:43,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-10 19:04:43,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:43,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 19:04:43,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:43,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-10 19:04:43,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:43,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-10 19:04:43,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:43,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-10 19:04:43,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:43,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-10 19:04:43,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:43,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-10 19:04:43,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:43,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-10 19:04:43,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:43,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-10 19:04:43,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:43,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-10 19:04:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:43,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-10 19:04:43,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:43,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-10 19:04:43,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:43,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-10 19:04:43,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:43,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-11-10 19:04:43,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:43,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-10 19:04:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:43,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-10 19:04:43,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:43,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-11-10 19:04:43,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:04:43,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2428 backedges. 117 proven. 321 refuted. 0 times theorem prover too weak. 1990 trivial. 0 not checked. [2024-11-10 19:04:43,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:04:43,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799219227] [2024-11-10 19:04:43,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799219227] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:04:43,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873170630] [2024-11-10 19:04:43,464 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-10 19:04:43,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:04:43,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:04:43,466 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:04:43,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-10 19:04:43,555 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2024-11-10 19:04:43,556 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:04:43,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-10 19:04:43,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:04:44,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2428 backedges. 157 proven. 405 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2024-11-10 19:04:44,021 INFO L311 TraceCheckSpWp]: Computing backward predicates...