./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound100.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 4da533f9027cb26869f2cd2349cd7115ebf62144e1d11b018683e8601f934a1d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 20:38:32,209 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 20:38:32,268 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 20:38:32,271 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 20:38:32,271 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 20:38:32,286 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 20:38:32,287 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 20:38:32,287 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 20:38:32,287 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 20:38:32,288 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 20:38:32,288 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 20:38:32,288 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 20:38:32,289 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 20:38:32,289 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 20:38:32,289 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 20:38:32,290 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 20:38:32,291 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 20:38:32,291 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 20:38:32,294 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 20:38:32,294 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 20:38:32,294 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 20:38:32,294 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 20:38:32,295 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 20:38:32,295 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 20:38:32,295 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 20:38:32,295 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 20:38:32,295 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 20:38:32,295 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 20:38:32,296 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 20:38:32,296 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 20:38:32,296 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 20:38:32,296 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 20:38:32,296 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 20:38:32,296 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 20:38:32,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:38:32,297 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 20:38:32,297 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 20:38:32,297 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 20:38:32,297 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 20:38:32,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 20:38:32,298 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 20:38:32,300 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 20:38:32,300 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 20:38:32,300 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 20:38:32,301 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4da533f9027cb26869f2cd2349cd7115ebf62144e1d11b018683e8601f934a1d [2024-10-11 20:38:32,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 20:38:32,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 20:38:32,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 20:38:32,533 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 20:38:32,534 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 20:38:32,535 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound100.c [2024-10-11 20:38:33,916 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 20:38:34,097 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 20:38:34,097 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound100.c [2024-10-11 20:38:34,106 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/f05c74294/47ad3866e1fb4bc4978ebd3b283dd1be/FLAGd56ef9e0d [2024-10-11 20:38:34,116 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/f05c74294/47ad3866e1fb4bc4978ebd3b283dd1be [2024-10-11 20:38:34,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 20:38:34,119 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 20:38:34,120 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 20:38:34,121 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 20:38:34,124 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 20:38:34,125 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:38:34" (1/1) ... [2024-10-11 20:38:34,126 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d778962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:38:34, skipping insertion in model container [2024-10-11 20:38:34,126 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:38:34" (1/1) ... [2024-10-11 20:38:34,141 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 20:38:34,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:38:34,298 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 20:38:34,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:38:34,330 INFO L204 MainTranslator]: Completed translation [2024-10-11 20:38:34,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:38:34 WrapperNode [2024-10-11 20:38:34,331 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 20:38:34,332 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 20:38:34,332 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 20:38:34,332 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 20:38:34,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:38:34" (1/1) ... [2024-10-11 20:38:34,342 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:38:34" (1/1) ... [2024-10-11 20:38:34,381 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 93 [2024-10-11 20:38:34,382 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 20:38:34,382 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 20:38:34,383 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 20:38:34,383 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 20:38:34,392 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:38:34" (1/1) ... [2024-10-11 20:38:34,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:38:34" (1/1) ... [2024-10-11 20:38:34,393 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:38:34" (1/1) ... [2024-10-11 20:38:34,401 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]. [2024-10-11 20:38:34,401 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:38:34" (1/1) ... [2024-10-11 20:38:34,402 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:38:34" (1/1) ... [2024-10-11 20:38:34,404 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:38:34" (1/1) ... [2024-10-11 20:38:34,418 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:38:34" (1/1) ... [2024-10-11 20:38:34,419 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:38:34" (1/1) ... [2024-10-11 20:38:34,420 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:38:34" (1/1) ... [2024-10-11 20:38:34,421 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 20:38:34,422 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 20:38:34,422 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 20:38:34,422 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 20:38:34,423 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:38:34" (1/1) ... [2024-10-11 20:38:34,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:38:34,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:34,450 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 20:38:34,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 20:38:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 20:38:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 20:38:34,490 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 20:38:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 20:38:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 20:38:34,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 20:38:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 20:38:34,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 20:38:34,536 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 20:38:34,538 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 20:38:34,809 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2024-10-11 20:38:34,809 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 20:38:34,834 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 20:38:34,834 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-11 20:38:34,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:38:34 BoogieIcfgContainer [2024-10-11 20:38:34,835 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 20:38:34,839 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 20:38:34,839 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 20:38:34,842 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 20:38:34,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 08:38:34" (1/3) ... [2024-10-11 20:38:34,843 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13f8961f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:38:34, skipping insertion in model container [2024-10-11 20:38:34,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:38:34" (2/3) ... [2024-10-11 20:38:34,844 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13f8961f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:38:34, skipping insertion in model container [2024-10-11 20:38:34,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:38:34" (3/3) ... [2024-10-11 20:38:34,845 INFO L112 eAbstractionObserver]: Analyzing ICFG cohendiv-ll_valuebound100.c [2024-10-11 20:38:34,860 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 20:38:34,860 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2024-10-11 20:38:34,916 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 20:38:34,923 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;@7330d9e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 20:38:34,923 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2024-10-11 20:38:34,927 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 44 states have (on average 1.8636363636363635) internal successors, (82), 74 states have internal predecessors, (82), 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) [2024-10-11 20:38:34,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-11 20:38:34,933 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:34,933 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:38:34,934 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:38:34,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:34,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1812025852, now seen corresponding path program 1 times [2024-10-11 20:38:34,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:34,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845570674] [2024-10-11 20:38:34,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:34,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:35,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:38:35,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:35,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:38:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:35,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:38:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:35,090 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:38:35,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:35,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845570674] [2024-10-11 20:38:35,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845570674] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:35,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:38:35,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:38:35,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297679495] [2024-10-11 20:38:35,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:35,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 20:38:35,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:35,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 20:38:35,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 20:38:35,117 INFO L87 Difference]: Start difference. First operand has 87 states, 44 states have (on average 1.8636363636363635) internal successors, (82), 74 states have internal predecessors, (82), 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 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2024-10-11 20:38:35,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:35,147 INFO L93 Difference]: Finished difference Result 172 states and 211 transitions. [2024-10-11 20:38:35,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 20:38:35,149 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 20 [2024-10-11 20:38:35,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:35,155 INFO L225 Difference]: With dead ends: 172 [2024-10-11 20:38:35,155 INFO L226 Difference]: Without dead ends: 84 [2024-10-11 20:38:35,160 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 [2024-10-11 20:38:35,164 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:35,165 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:38:35,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-10-11 20:38:35,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-10-11 20:38:35,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 43 states have (on average 1.7209302325581395) internal successors, (74), 72 states have internal predecessors, (74), 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) [2024-10-11 20:38:35,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 92 transitions. [2024-10-11 20:38:35,200 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 92 transitions. Word has length 20 [2024-10-11 20:38:35,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:35,201 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 92 transitions. [2024-10-11 20:38:35,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2024-10-11 20:38:35,202 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 92 transitions. [2024-10-11 20:38:35,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-11 20:38:35,203 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:35,203 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:38:35,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 20:38:35,204 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:38:35,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:35,205 INFO L85 PathProgramCache]: Analyzing trace with hash 982000830, now seen corresponding path program 1 times [2024-10-11 20:38:35,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:35,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190043665] [2024-10-11 20:38:35,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:35,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:35,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:38:35,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [187017571] [2024-10-11 20:38:35,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:35,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:35,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:35,239 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:38:35,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 20:38:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:35,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:38:35,297 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:35,350 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:38:35,350 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:38:35,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:35,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190043665] [2024-10-11 20:38:35,351 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:38:35,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [187017571] [2024-10-11 20:38:35,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [187017571] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:35,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:38:35,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:38:35,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119764086] [2024-10-11 20:38:35,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:35,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:38:35,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:35,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:38:35,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:38:35,365 INFO L87 Difference]: Start difference. First operand 84 states and 92 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-10-11 20:38:35,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:35,450 INFO L93 Difference]: Finished difference Result 108 states and 118 transitions. [2024-10-11 20:38:35,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:38:35,450 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 20 [2024-10-11 20:38:35,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:35,451 INFO L225 Difference]: With dead ends: 108 [2024-10-11 20:38:35,452 INFO L226 Difference]: Without dead ends: 106 [2024-10-11 20:38:35,452 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:38:35,453 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 18 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:35,453 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 158 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:38:35,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-10-11 20:38:35,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 87. [2024-10-11 20:38:35,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 46 states have (on average 1.673913043478261) internal successors, (77), 75 states have internal predecessors, (77), 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) [2024-10-11 20:38:35,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 95 transitions. [2024-10-11 20:38:35,465 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 95 transitions. Word has length 20 [2024-10-11 20:38:35,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:35,465 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 95 transitions. [2024-10-11 20:38:35,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-10-11 20:38:35,465 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2024-10-11 20:38:35,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-11 20:38:35,466 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:35,466 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:38:35,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-11 20:38:35,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:35,667 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:38:35,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:35,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1646507377, now seen corresponding path program 1 times [2024-10-11 20:38:35,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:35,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293907332] [2024-10-11 20:38:35,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:35,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:38:35,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1540720982] [2024-10-11 20:38:35,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:35,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:35,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:35,695 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:38:35,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 20:38:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:35,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:38:35,742 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:35,775 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:38:35,775 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:38:35,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:35,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293907332] [2024-10-11 20:38:35,776 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:38:35,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1540720982] [2024-10-11 20:38:35,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1540720982] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:35,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:38:35,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:38:35,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243116840] [2024-10-11 20:38:35,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:35,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:38:35,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:35,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:38:35,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:38:35,780 INFO L87 Difference]: Start difference. First operand 87 states and 95 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-10-11 20:38:35,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:35,944 INFO L93 Difference]: Finished difference Result 144 states and 167 transitions. [2024-10-11 20:38:35,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:38:35,944 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 27 [2024-10-11 20:38:35,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:35,945 INFO L225 Difference]: With dead ends: 144 [2024-10-11 20:38:35,945 INFO L226 Difference]: Without dead ends: 138 [2024-10-11 20:38:35,946 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:38:35,946 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 45 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:35,947 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 133 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:38:35,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-10-11 20:38:35,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 118. [2024-10-11 20:38:35,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 71 states have (on average 1.6901408450704225) internal successors, (120), 100 states have internal predecessors, (120), 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) [2024-10-11 20:38:35,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 150 transitions. [2024-10-11 20:38:35,963 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 150 transitions. Word has length 27 [2024-10-11 20:38:35,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:35,963 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 150 transitions. [2024-10-11 20:38:35,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-10-11 20:38:35,963 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 150 transitions. [2024-10-11 20:38:35,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-11 20:38:35,964 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:35,964 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] [2024-10-11 20:38:35,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-11 20:38:36,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:36,169 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:38:36,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:36,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1745622607, now seen corresponding path program 1 times [2024-10-11 20:38:36,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:36,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922358736] [2024-10-11 20:38:36,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:36,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:36,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:36,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:38:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:36,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:38:36,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:36,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:38:36,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:36,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 20:38:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:36,474 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 20:38:36,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:36,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922358736] [2024-10-11 20:38:36,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922358736] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:38:36,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [326611379] [2024-10-11 20:38:36,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:36,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:36,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:36,482 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:38:36,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 20:38:36,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:36,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:38:36,522 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:36,619 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:38:36,619 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:38:36,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [326611379] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:36,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:38:36,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-11 20:38:36,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689266055] [2024-10-11 20:38:36,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:36,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:38:36,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:36,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:38:36,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:38:36,620 INFO L87 Difference]: Start difference. First operand 118 states and 150 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 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) [2024-10-11 20:38:36,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:36,743 INFO L93 Difference]: Finished difference Result 137 states and 157 transitions. [2024-10-11 20:38:36,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:38:36,743 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 [2024-10-11 20:38:36,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:36,744 INFO L225 Difference]: With dead ends: 137 [2024-10-11 20:38:36,744 INFO L226 Difference]: Without dead ends: 134 [2024-10-11 20:38:36,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:38:36,746 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 155 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:36,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 138 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:38:36,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-10-11 20:38:36,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 119. [2024-10-11 20:38:36,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 72 states have (on average 1.6527777777777777) internal successors, (119), 101 states have internal predecessors, (119), 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) [2024-10-11 20:38:36,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 149 transitions. [2024-10-11 20:38:36,761 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 149 transitions. Word has length 29 [2024-10-11 20:38:36,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:36,761 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 149 transitions. [2024-10-11 20:38:36,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2024-10-11 20:38:36,761 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 149 transitions. [2024-10-11 20:38:36,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-11 20:38:36,762 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:36,762 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] [2024-10-11 20:38:36,775 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 20:38:36,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:36,964 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:38:36,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:36,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1720274090, now seen corresponding path program 1 times [2024-10-11 20:38:36,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:36,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996287211] [2024-10-11 20:38:36,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:36,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:36,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:38:36,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1182798403] [2024-10-11 20:38:36,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:36,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:36,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:37,000 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:38:37,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 20:38:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:37,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:38:37,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:37,096 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 20:38:37,096 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:38:37,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:37,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996287211] [2024-10-11 20:38:37,097 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:38:37,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1182798403] [2024-10-11 20:38:37,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1182798403] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:37,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:38:37,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:38:37,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137640639] [2024-10-11 20:38:37,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:37,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:38:37,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:37,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:38:37,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:38:37,099 INFO L87 Difference]: Start difference. First operand 119 states and 149 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-10-11 20:38:37,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:37,220 INFO L93 Difference]: Finished difference Result 137 states and 154 transitions. [2024-10-11 20:38:37,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:38:37,220 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 30 [2024-10-11 20:38:37,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:37,221 INFO L225 Difference]: With dead ends: 137 [2024-10-11 20:38:37,221 INFO L226 Difference]: Without dead ends: 130 [2024-10-11 20:38:37,221 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:38:37,222 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 151 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:37,222 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 141 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:38:37,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-10-11 20:38:37,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 116. [2024-10-11 20:38:37,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 69 states have (on average 1.6376811594202898) internal successors, (113), 98 states have internal predecessors, (113), 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) [2024-10-11 20:38:37,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 143 transitions. [2024-10-11 20:38:37,239 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 143 transitions. Word has length 30 [2024-10-11 20:38:37,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:37,239 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 143 transitions. [2024-10-11 20:38:37,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-10-11 20:38:37,240 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 143 transitions. [2024-10-11 20:38:37,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-11 20:38:37,241 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:37,242 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] [2024-10-11 20:38:37,255 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-11 20:38:37,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:37,443 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:38:37,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:37,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1164336911, now seen corresponding path program 1 times [2024-10-11 20:38:37,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:37,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719352107] [2024-10-11 20:38:37,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:37,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:38:37,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1002670169] [2024-10-11 20:38:37,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:37,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:37,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:37,457 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:38:37,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 20:38:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:37,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:38:37,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:37,529 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 20:38:37,529 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:38:37,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:37,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719352107] [2024-10-11 20:38:37,530 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:38:37,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002670169] [2024-10-11 20:38:37,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1002670169] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:37,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:38:37,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:38:37,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327121505] [2024-10-11 20:38:37,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:37,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:38:37,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:37,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:38:37,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:38:37,532 INFO L87 Difference]: Start difference. First operand 116 states and 143 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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) [2024-10-11 20:38:37,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:37,744 INFO L93 Difference]: Finished difference Result 183 states and 251 transitions. [2024-10-11 20:38:37,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:38:37,745 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 38 [2024-10-11 20:38:37,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:37,748 INFO L225 Difference]: With dead ends: 183 [2024-10-11 20:38:37,749 INFO L226 Difference]: Without dead ends: 178 [2024-10-11 20:38:37,749 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:38:37,750 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 74 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:37,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 101 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:38:37,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-10-11 20:38:37,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 162. [2024-10-11 20:38:37,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 107 states have (on average 1.6168224299065421) internal successors, (173), 136 states have internal predecessors, (173), 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) [2024-10-11 20:38:37,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 219 transitions. [2024-10-11 20:38:37,777 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 219 transitions. Word has length 38 [2024-10-11 20:38:37,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:37,780 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 219 transitions. [2024-10-11 20:38:37,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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) [2024-10-11 20:38:37,780 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 219 transitions. [2024-10-11 20:38:37,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-11 20:38:37,781 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:37,781 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] [2024-10-11 20:38:37,794 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 20:38:37,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:37,982 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:38:37,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:37,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1734705951, now seen corresponding path program 1 times [2024-10-11 20:38:37,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:37,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027799731] [2024-10-11 20:38:37,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:37,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:38,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:38:38,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [65815686] [2024-10-11 20:38:38,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:38,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:38,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:38,010 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:38:38,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 20:38:38,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:38,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:38:38,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:38,096 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 20:38:38,096 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:38:38,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:38,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027799731] [2024-10-11 20:38:38,097 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:38:38,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [65815686] [2024-10-11 20:38:38,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [65815686] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:38,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:38:38,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:38:38,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356431046] [2024-10-11 20:38:38,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:38,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:38:38,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:38,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:38:38,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:38:38,099 INFO L87 Difference]: Start difference. First operand 162 states and 219 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-10-11 20:38:38,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:38,206 INFO L93 Difference]: Finished difference Result 181 states and 242 transitions. [2024-10-11 20:38:38,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:38:38,206 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 39 [2024-10-11 20:38:38,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:38,207 INFO L225 Difference]: With dead ends: 181 [2024-10-11 20:38:38,208 INFO L226 Difference]: Without dead ends: 178 [2024-10-11 20:38:38,208 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:38:38,208 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 99 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:38,209 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 83 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:38:38,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-10-11 20:38:38,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 163. [2024-10-11 20:38:38,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 108 states have (on average 1.5740740740740742) internal successors, (170), 137 states have internal predecessors, (170), 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) [2024-10-11 20:38:38,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 216 transitions. [2024-10-11 20:38:38,218 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 216 transitions. Word has length 39 [2024-10-11 20:38:38,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:38,219 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 216 transitions. [2024-10-11 20:38:38,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-10-11 20:38:38,219 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 216 transitions. [2024-10-11 20:38:38,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-11 20:38:38,220 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:38,220 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] [2024-10-11 20:38:38,232 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-11 20:38:38,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-10-11 20:38:38,424 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:38:38,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:38,424 INFO L85 PathProgramCache]: Analyzing trace with hash -221741680, now seen corresponding path program 1 times [2024-10-11 20:38:38,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:38,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426408025] [2024-10-11 20:38:38,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:38,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:38,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:38,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:38:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:38,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:38:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:38,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:38:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:38,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 20:38:38,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:38,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:38:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:38,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:38:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:38,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:38:38,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:38,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:38:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:38,550 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-11 20:38:38,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:38,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426408025] [2024-10-11 20:38:38,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426408025] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:38,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:38:38,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:38:38,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717719863] [2024-10-11 20:38:38,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:38,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:38:38,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:38,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:38:38,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:38:38,552 INFO L87 Difference]: Start difference. First operand 163 states and 216 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-10-11 20:38:38,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:38,918 INFO L93 Difference]: Finished difference Result 196 states and 245 transitions. [2024-10-11 20:38:38,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:38:38,918 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 59 [2024-10-11 20:38:38,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:38,920 INFO L225 Difference]: With dead ends: 196 [2024-10-11 20:38:38,920 INFO L226 Difference]: Without dead ends: 194 [2024-10-11 20:38:38,920 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 [2024-10-11 20:38:38,921 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 114 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:38,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 89 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:38:38,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-10-11 20:38:38,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 165. [2024-10-11 20:38:38,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 110 states have (on average 1.5454545454545454) internal successors, (170), 139 states have internal predecessors, (170), 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) [2024-10-11 20:38:38,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 216 transitions. [2024-10-11 20:38:38,931 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 216 transitions. Word has length 59 [2024-10-11 20:38:38,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:38,932 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 216 transitions. [2024-10-11 20:38:38,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-10-11 20:38:38,932 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 216 transitions. [2024-10-11 20:38:38,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-11 20:38:38,933 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:38,933 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] [2024-10-11 20:38:38,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 20:38:38,933 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:38:38,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:38,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1715942605, now seen corresponding path program 1 times [2024-10-11 20:38:38,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:38,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788249935] [2024-10-11 20:38:38,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:38,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:38,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:38,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:38:38,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:38,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:38:38,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:38,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:38:38,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:38,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 20:38:38,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:38,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:38:39,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:39,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:38:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:39,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:38:39,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:39,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:38:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:39,016 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-11 20:38:39,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:39,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788249935] [2024-10-11 20:38:39,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788249935] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:39,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:38:39,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:38:39,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420148074] [2024-10-11 20:38:39,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:39,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:38:39,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:39,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:38:39,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:38:39,021 INFO L87 Difference]: Start difference. First operand 165 states and 216 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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) [2024-10-11 20:38:39,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:39,168 INFO L93 Difference]: Finished difference Result 196 states and 241 transitions. [2024-10-11 20:38:39,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:38:39,169 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 60 [2024-10-11 20:38:39,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:39,170 INFO L225 Difference]: With dead ends: 196 [2024-10-11 20:38:39,171 INFO L226 Difference]: Without dead ends: 194 [2024-10-11 20:38:39,172 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 [2024-10-11 20:38:39,172 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 111 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:39,173 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 91 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:38:39,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-10-11 20:38:39,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 167. [2024-10-11 20:38:39,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 112 states have (on average 1.5178571428571428) internal successors, (170), 141 states have internal predecessors, (170), 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) [2024-10-11 20:38:39,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 216 transitions. [2024-10-11 20:38:39,186 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 216 transitions. Word has length 60 [2024-10-11 20:38:39,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:39,187 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 216 transitions. [2024-10-11 20:38:39,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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) [2024-10-11 20:38:39,187 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 216 transitions. [2024-10-11 20:38:39,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-11 20:38:39,188 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:39,190 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] [2024-10-11 20:38:39,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 20:38:39,190 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:38:39,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:39,190 INFO L85 PathProgramCache]: Analyzing trace with hash -246595163, now seen corresponding path program 1 times [2024-10-11 20:38:39,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:39,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689282486] [2024-10-11 20:38:39,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:39,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:39,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:39,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:38:39,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:39,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:38:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:39,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:38:39,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:39,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 20:38:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:39,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:38:39,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:39,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:38:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:39,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:38:39,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:39,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:38:39,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:39,259 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-11 20:38:39,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:39,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689282486] [2024-10-11 20:38:39,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689282486] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:39,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:38:39,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:38:39,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133635046] [2024-10-11 20:38:39,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:39,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:38:39,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:39,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:38:39,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:38:39,262 INFO L87 Difference]: Start difference. First operand 167 states and 216 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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) [2024-10-11 20:38:39,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:39,307 INFO L93 Difference]: Finished difference Result 172 states and 216 transitions. [2024-10-11 20:38:39,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:38:39,307 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 62 [2024-10-11 20:38:39,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:39,308 INFO L225 Difference]: With dead ends: 172 [2024-10-11 20:38:39,309 INFO L226 Difference]: Without dead ends: 171 [2024-10-11 20:38:39,309 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 [2024-10-11 20:38:39,309 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 13 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:39,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 141 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:38:39,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-10-11 20:38:39,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 167. [2024-10-11 20:38:39,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 112 states have (on average 1.5089285714285714) internal successors, (169), 141 states have internal predecessors, (169), 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) [2024-10-11 20:38:39,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 215 transitions. [2024-10-11 20:38:39,321 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 215 transitions. Word has length 62 [2024-10-11 20:38:39,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:39,321 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 215 transitions. [2024-10-11 20:38:39,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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) [2024-10-11 20:38:39,322 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 215 transitions. [2024-10-11 20:38:39,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-11 20:38:39,323 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:39,323 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] [2024-10-11 20:38:39,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 20:38:39,323 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:38:39,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:39,324 INFO L85 PathProgramCache]: Analyzing trace with hash -246595121, now seen corresponding path program 1 times [2024-10-11 20:38:39,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:39,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812103247] [2024-10-11 20:38:39,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:39,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:39,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:38:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:39,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:38:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:39,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:38:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:39,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 20:38:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:39,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:38:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:39,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:38:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:39,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:38:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:39,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:38:39,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:39,442 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-11 20:38:39,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:39,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812103247] [2024-10-11 20:38:39,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812103247] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:38:39,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141109735] [2024-10-11 20:38:39,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:39,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:39,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:39,448 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:38:39,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 20:38:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:39,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:38:39,494 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:39,587 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-11 20:38:39,587 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:38:39,672 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-10-11 20:38:39,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141109735] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:38:39,673 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:38:39,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-10-11 20:38:39,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893955367] [2024-10-11 20:38:39,674 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:38:39,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:38:39,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:39,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:38:39,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:38:39,676 INFO L87 Difference]: Start difference. First operand 167 states and 215 transitions. Second operand has 8 states, 7 states have (on average 10.428571428571429) internal successors, (73), 8 states have internal predecessors, (73), 4 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-10-11 20:38:39,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:39,794 INFO L93 Difference]: Finished difference Result 167 states and 215 transitions. [2024-10-11 20:38:39,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:38:39,794 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.428571428571429) internal successors, (73), 8 states have internal predecessors, (73), 4 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 62 [2024-10-11 20:38:39,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:39,795 INFO L225 Difference]: With dead ends: 167 [2024-10-11 20:38:39,795 INFO L226 Difference]: Without dead ends: 165 [2024-10-11 20:38:39,796 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:38:39,796 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 27 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:39,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 171 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:38:39,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-10-11 20:38:39,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2024-10-11 20:38:39,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 112 states have (on average 1.4375) internal successors, (161), 139 states have internal predecessors, (161), 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) [2024-10-11 20:38:39,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 207 transitions. [2024-10-11 20:38:39,815 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 207 transitions. Word has length 62 [2024-10-11 20:38:39,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:39,815 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 207 transitions. [2024-10-11 20:38:39,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.428571428571429) internal successors, (73), 8 states have internal predecessors, (73), 4 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-10-11 20:38:39,815 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 207 transitions. [2024-10-11 20:38:39,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-11 20:38:39,816 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:39,816 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] [2024-10-11 20:38:39,828 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-11 20:38:40,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:40,017 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:38:40,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:40,017 INFO L85 PathProgramCache]: Analyzing trace with hash 945484661, now seen corresponding path program 1 times [2024-10-11 20:38:40,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:40,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873882236] [2024-10-11 20:38:40,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:40,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:40,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:40,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:38:40,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:40,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:38:40,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:40,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:38:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:40,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 20:38:40,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:40,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:38:40,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:40,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:38:40,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:40,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:38:40,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:40,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:38:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:40,093 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-11 20:38:40,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:40,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873882236] [2024-10-11 20:38:40,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873882236] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:40,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:38:40,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:38:40,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590366677] [2024-10-11 20:38:40,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:40,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:38:40,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:40,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:38:40,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:38:40,095 INFO L87 Difference]: Start difference. First operand 165 states and 207 transitions. Second operand has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 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) [2024-10-11 20:38:40,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:40,155 INFO L93 Difference]: Finished difference Result 165 states and 207 transitions. [2024-10-11 20:38:40,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:38:40,156 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 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 63 [2024-10-11 20:38:40,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:40,157 INFO L225 Difference]: With dead ends: 165 [2024-10-11 20:38:40,157 INFO L226 Difference]: Without dead ends: 164 [2024-10-11 20:38:40,157 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:38:40,157 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 100 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:40,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 158 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:38:40,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-10-11 20:38:40,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2024-10-11 20:38:40,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 112 states have (on average 1.4196428571428572) internal successors, (159), 138 states have internal predecessors, (159), 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) [2024-10-11 20:38:40,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 205 transitions. [2024-10-11 20:38:40,165 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 205 transitions. Word has length 63 [2024-10-11 20:38:40,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:40,165 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 205 transitions. [2024-10-11 20:38:40,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 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) [2024-10-11 20:38:40,165 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 205 transitions. [2024-10-11 20:38:40,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-11 20:38:40,166 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:40,166 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] [2024-10-11 20:38:40,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 20:38:40,168 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:38:40,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:40,168 INFO L85 PathProgramCache]: Analyzing trace with hash -754746457, now seen corresponding path program 1 times [2024-10-11 20:38:40,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:40,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368384418] [2024-10-11 20:38:40,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:40,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:40,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:38:40,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:40,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:38:40,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:40,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:38:40,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:40,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 20:38:40,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:40,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:38:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:40,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:38:40,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:40,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:38:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:40,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:38:40,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:40,227 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-11 20:38:40,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:40,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368384418] [2024-10-11 20:38:40,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368384418] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:40,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:38:40,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:38:40,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930442294] [2024-10-11 20:38:40,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:40,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:38:40,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:40,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:38:40,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:38:40,229 INFO L87 Difference]: Start difference. First operand 164 states and 205 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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) [2024-10-11 20:38:40,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:40,330 INFO L93 Difference]: Finished difference Result 185 states and 218 transitions. [2024-10-11 20:38:40,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:38:40,330 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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 64 [2024-10-11 20:38:40,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:40,331 INFO L225 Difference]: With dead ends: 185 [2024-10-11 20:38:40,331 INFO L226 Difference]: Without dead ends: 183 [2024-10-11 20:38:40,332 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 [2024-10-11 20:38:40,332 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 48 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:40,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 147 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:38:40,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-10-11 20:38:40,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 168. [2024-10-11 20:38:40,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 116 states have (on average 1.4051724137931034) internal successors, (163), 142 states have internal predecessors, (163), 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) [2024-10-11 20:38:40,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 209 transitions. [2024-10-11 20:38:40,342 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 209 transitions. Word has length 64 [2024-10-11 20:38:40,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:40,343 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 209 transitions. [2024-10-11 20:38:40,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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) [2024-10-11 20:38:40,343 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 209 transitions. [2024-10-11 20:38:40,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-11 20:38:40,345 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:40,345 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:38:40,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 20:38:40,345 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:38:40,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:40,345 INFO L85 PathProgramCache]: Analyzing trace with hash 116785460, now seen corresponding path program 1 times [2024-10-11 20:38:40,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:40,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234040685] [2024-10-11 20:38:40,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:40,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:40,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:38:40,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1947896906] [2024-10-11 20:38:40,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:40,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:40,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:40,358 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:38:40,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-11 20:38:40,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:40,401 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 20:38:40,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:40,646 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-10-11 20:38:40,646 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:38:40,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:40,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234040685] [2024-10-11 20:38:40,848 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:38:40,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1947896906] [2024-10-11 20:38:40,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1947896906] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:38:40,848 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:38:40,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 20:38:40,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373880810] [2024-10-11 20:38:40,849 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:38:40,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:38:40,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:40,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:38:40,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:38:40,850 INFO L87 Difference]: Start difference. First operand 168 states and 209 transitions. Second operand has 9 states, 8 states have (on average 4.75) internal successors, (38), 9 states have internal predecessors, (38), 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) [2024-10-11 20:38:41,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:41,364 INFO L93 Difference]: Finished difference Result 263 states and 326 transitions. [2024-10-11 20:38:41,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:38:41,365 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 9 states have internal predecessors, (38), 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 74 [2024-10-11 20:38:41,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:41,367 INFO L225 Difference]: With dead ends: 263 [2024-10-11 20:38:41,367 INFO L226 Difference]: Without dead ends: 255 [2024-10-11 20:38:41,367 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2024-10-11 20:38:41,368 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 300 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:41,368 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 310 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:38:41,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-10-11 20:38:41,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 234. [2024-10-11 20:38:41,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 172 states have (on average 1.4069767441860466) internal successors, (242), 198 states have internal predecessors, (242), 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) [2024-10-11 20:38:41,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 308 transitions. [2024-10-11 20:38:41,381 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 308 transitions. Word has length 74 [2024-10-11 20:38:41,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:41,381 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 308 transitions. [2024-10-11 20:38:41,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 9 states have internal predecessors, (38), 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) [2024-10-11 20:38:41,382 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 308 transitions. [2024-10-11 20:38:41,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-11 20:38:41,382 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:41,382 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] [2024-10-11 20:38:41,395 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-11 20:38:41,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-11 20:38:41,587 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:38:41,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:41,590 INFO L85 PathProgramCache]: Analyzing trace with hash -674617981, now seen corresponding path program 1 times [2024-10-11 20:38:41,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:41,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293918421] [2024-10-11 20:38:41,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:41,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:41,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:38:41,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1588572229] [2024-10-11 20:38:41,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:41,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:41,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:41,616 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:38:41,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-11 20:38:41,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:41,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 20:38:41,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:41,955 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-10-11 20:38:41,955 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:38:42,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:42,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293918421] [2024-10-11 20:38:42,726 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:38:42,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1588572229] [2024-10-11 20:38:42,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1588572229] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:38:42,726 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:38:42,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 20:38:42,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953473463] [2024-10-11 20:38:42,726 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:38:42,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:38:42,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:42,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:38:42,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:38:42,727 INFO L87 Difference]: Start difference. First operand 234 states and 308 transitions. Second operand has 9 states, 8 states have (on average 4.875) internal successors, (39), 9 states have internal predecessors, (39), 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) [2024-10-11 20:38:43,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:43,214 INFO L93 Difference]: Finished difference Result 321 states and 411 transitions. [2024-10-11 20:38:43,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:38:43,215 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.875) internal successors, (39), 9 states have internal predecessors, (39), 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 75 [2024-10-11 20:38:43,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:43,216 INFO L225 Difference]: With dead ends: 321 [2024-10-11 20:38:43,216 INFO L226 Difference]: Without dead ends: 318 [2024-10-11 20:38:43,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:38:43,216 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 254 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:43,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 350 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:38:43,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-10-11 20:38:43,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 290. [2024-10-11 20:38:43,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 218 states have (on average 1.3944954128440368) internal successors, (304), 244 states have internal predecessors, (304), 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) [2024-10-11 20:38:43,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 390 transitions. [2024-10-11 20:38:43,245 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 390 transitions. Word has length 75 [2024-10-11 20:38:43,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:43,246 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 390 transitions. [2024-10-11 20:38:43,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.875) internal successors, (39), 9 states have internal predecessors, (39), 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) [2024-10-11 20:38:43,246 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 390 transitions. [2024-10-11 20:38:43,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-11 20:38:43,246 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:43,246 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] [2024-10-11 20:38:43,259 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-11 20:38:43,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:43,447 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:38:43,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:43,448 INFO L85 PathProgramCache]: Analyzing trace with hash 561679126, now seen corresponding path program 1 times [2024-10-11 20:38:43,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:43,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290828643] [2024-10-11 20:38:43,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:43,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:43,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:43,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:38:43,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:43,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:38:43,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:43,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:38:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:43,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 20:38:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:43,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:38:43,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:43,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:38:43,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:43,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:38:43,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:43,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:38:43,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:43,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 20:38:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:43,562 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-11 20:38:43,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:43,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290828643] [2024-10-11 20:38:43,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290828643] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:43,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:38:43,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:38:43,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631058917] [2024-10-11 20:38:43,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:43,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:38:43,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:43,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:38:43,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:38:43,563 INFO L87 Difference]: Start difference. First operand 290 states and 390 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 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) [2024-10-11 20:38:44,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:44,533 INFO L93 Difference]: Finished difference Result 421 states and 570 transitions. [2024-10-11 20:38:44,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:38:44,534 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 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 76 [2024-10-11 20:38:44,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:44,535 INFO L225 Difference]: With dead ends: 421 [2024-10-11 20:38:44,535 INFO L226 Difference]: Without dead ends: 418 [2024-10-11 20:38:44,536 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 [2024-10-11 20:38:44,536 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 127 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:44,536 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 203 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 20:38:44,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-10-11 20:38:44,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 296. [2024-10-11 20:38:44,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 224 states have (on average 1.3616071428571428) internal successors, (305), 248 states have internal predecessors, (305), 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) [2024-10-11 20:38:44,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 395 transitions. [2024-10-11 20:38:44,551 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 395 transitions. Word has length 76 [2024-10-11 20:38:44,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:44,551 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 395 transitions. [2024-10-11 20:38:44,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 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) [2024-10-11 20:38:44,552 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 395 transitions. [2024-10-11 20:38:44,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-11 20:38:44,552 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:44,552 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 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] [2024-10-11 20:38:44,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-11 20:38:44,552 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:38:44,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:44,553 INFO L85 PathProgramCache]: Analyzing trace with hash 617318363, now seen corresponding path program 1 times [2024-10-11 20:38:44,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:44,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761233426] [2024-10-11 20:38:44,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:44,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:44,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:38:44,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [964769521] [2024-10-11 20:38:44,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:44,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:44,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:44,563 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:38:44,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-11 20:38:44,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:44,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 20:38:44,601 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:44,731 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-10-11 20:38:44,731 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:38:44,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:44,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761233426] [2024-10-11 20:38:44,772 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:38:44,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964769521] [2024-10-11 20:38:44,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [964769521] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:38:44,772 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:38:44,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-11 20:38:44,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653533575] [2024-10-11 20:38:44,773 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:38:44,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:38:44,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:44,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:38:44,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:38:44,774 INFO L87 Difference]: Start difference. First operand 296 states and 395 transitions. Second operand has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 7 states have internal predecessors, (40), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-11 20:38:44,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:44,970 INFO L93 Difference]: Finished difference Result 307 states and 414 transitions. [2024-10-11 20:38:44,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:38:44,970 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 7 states have internal predecessors, (40), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 76 [2024-10-11 20:38:44,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:44,972 INFO L225 Difference]: With dead ends: 307 [2024-10-11 20:38:44,972 INFO L226 Difference]: Without dead ends: 303 [2024-10-11 20:38:44,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:38:44,973 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 61 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:44,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 230 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:38:44,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-10-11 20:38:44,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 292. [2024-10-11 20:38:44,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 224 states have (on average 1.3303571428571428) internal successors, (298), 244 states have internal predecessors, (298), 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) [2024-10-11 20:38:44,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 388 transitions. [2024-10-11 20:38:44,988 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 388 transitions. Word has length 76 [2024-10-11 20:38:44,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:44,988 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 388 transitions. [2024-10-11 20:38:44,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 7 states have internal predecessors, (40), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-11 20:38:44,988 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 388 transitions. [2024-10-11 20:38:44,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-11 20:38:44,989 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:44,989 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] [2024-10-11 20:38:45,001 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-11 20:38:45,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-11 20:38:45,190 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:38:45,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:45,190 INFO L85 PathProgramCache]: Analyzing trace with hash 232183781, now seen corresponding path program 1 times [2024-10-11 20:38:45,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:45,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168462040] [2024-10-11 20:38:45,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:45,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:45,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:38:45,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [727616029] [2024-10-11 20:38:45,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:45,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:45,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:45,207 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:38:45,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-11 20:38:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:45,246 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-11 20:38:45,247 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:45,512 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-10-11 20:38:45,513 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:38:46,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:46,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168462040] [2024-10-11 20:38:46,126 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:38:46,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727616029] [2024-10-11 20:38:46,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727616029] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:38:46,126 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:38:46,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-10-11 20:38:46,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300825216] [2024-10-11 20:38:46,126 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:38:46,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:38:46,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:46,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:38:46,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:38:46,127 INFO L87 Difference]: Start difference. First operand 292 states and 388 transitions. Second operand has 11 states, 10 states have (on average 4.1) internal successors, (41), 11 states have internal predecessors, (41), 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) [2024-10-11 20:38:46,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:46,681 INFO L93 Difference]: Finished difference Result 315 states and 398 transitions. [2024-10-11 20:38:46,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 20:38:46,681 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.1) internal successors, (41), 11 states have internal predecessors, (41), 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 77 [2024-10-11 20:38:46,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:46,683 INFO L225 Difference]: With dead ends: 315 [2024-10-11 20:38:46,683 INFO L226 Difference]: Without dead ends: 308 [2024-10-11 20:38:46,683 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=113, Invalid=393, Unknown=0, NotChecked=0, Total=506 [2024-10-11 20:38:46,684 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 258 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:46,684 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 355 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:38:46,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2024-10-11 20:38:46,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 290. [2024-10-11 20:38:46,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 222 states have (on average 1.3153153153153154) internal successors, (292), 242 states have internal predecessors, (292), 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) [2024-10-11 20:38:46,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 382 transitions. [2024-10-11 20:38:46,698 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 382 transitions. Word has length 77 [2024-10-11 20:38:46,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:46,698 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 382 transitions. [2024-10-11 20:38:46,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.1) internal successors, (41), 11 states have internal predecessors, (41), 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) [2024-10-11 20:38:46,698 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 382 transitions. [2024-10-11 20:38:46,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-11 20:38:46,700 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:46,700 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] [2024-10-11 20:38:46,716 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-11 20:38:46,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-11 20:38:46,904 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:38:46,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:46,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1957000147, now seen corresponding path program 1 times [2024-10-11 20:38:46,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:46,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543510178] [2024-10-11 20:38:46,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:46,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:46,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:38:46,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [986144438] [2024-10-11 20:38:46,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:46,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:46,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:46,918 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:38:46,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-11 20:38:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:46,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-11 20:38:46,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:47,158 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-10-11 20:38:47,158 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:38:47,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:47,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543510178] [2024-10-11 20:38:47,454 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:38:47,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986144438] [2024-10-11 20:38:47,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [986144438] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:38:47,454 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:38:47,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-11 20:38:47,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19462554] [2024-10-11 20:38:47,455 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:38:47,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 20:38:47,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:47,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 20:38:47,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:38:47,456 INFO L87 Difference]: Start difference. First operand 290 states and 382 transitions. Second operand has 10 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-10-11 20:38:47,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:47,929 INFO L93 Difference]: Finished difference Result 585 states and 804 transitions. [2024-10-11 20:38:47,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 20:38:47,929 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 77 [2024-10-11 20:38:47,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:47,931 INFO L225 Difference]: With dead ends: 585 [2024-10-11 20:38:47,931 INFO L226 Difference]: Without dead ends: 581 [2024-10-11 20:38:47,932 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2024-10-11 20:38:47,932 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 565 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 730 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 571 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:47,932 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [571 Valid, 330 Invalid, 822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 730 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:38:47,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2024-10-11 20:38:47,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 464. [2024-10-11 20:38:47,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 366 states have (on average 1.3114754098360655) internal successors, (480), 386 states have internal predecessors, (480), 75 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-10-11 20:38:47,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 630 transitions. [2024-10-11 20:38:47,957 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 630 transitions. Word has length 77 [2024-10-11 20:38:47,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:47,957 INFO L471 AbstractCegarLoop]: Abstraction has 464 states and 630 transitions. [2024-10-11 20:38:47,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-10-11 20:38:47,957 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 630 transitions. [2024-10-11 20:38:47,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-11 20:38:47,958 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:47,958 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:38:47,970 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-11 20:38:48,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:48,159 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:38:48,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:48,159 INFO L85 PathProgramCache]: Analyzing trace with hash 742198340, now seen corresponding path program 1 times [2024-10-11 20:38:48,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:48,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483534963] [2024-10-11 20:38:48,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:48,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:48,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:38:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:48,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:38:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:48,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:38:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:48,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 20:38:48,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:48,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:38:48,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:48,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:38:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:48,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:38:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:48,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:38:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:48,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 20:38:48,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:48,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 20:38:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:48,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 20:38:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:48,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 20:38:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:48,218 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-10-11 20:38:48,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:48,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483534963] [2024-10-11 20:38:48,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483534963] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:38:48,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158019782] [2024-10-11 20:38:48,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:48,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:48,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:48,220 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:38:48,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-11 20:38:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:48,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:38:48,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:48,295 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-10-11 20:38:48,295 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:38:48,389 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-10-11 20:38:48,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1158019782] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:38:48,390 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:38:48,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-10-11 20:38:48,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665118387] [2024-10-11 20:38:48,390 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:38:48,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 20:38:48,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:48,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 20:38:48,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:38:48,391 INFO L87 Difference]: Start difference. First operand 464 states and 630 transitions. Second operand has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 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) [2024-10-11 20:38:48,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:48,991 INFO L93 Difference]: Finished difference Result 766 states and 1062 transitions. [2024-10-11 20:38:48,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:38:48,992 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 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 97 [2024-10-11 20:38:48,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:48,994 INFO L225 Difference]: With dead ends: 766 [2024-10-11 20:38:48,994 INFO L226 Difference]: Without dead ends: 764 [2024-10-11 20:38:48,995 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:38:48,995 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 191 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:48,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 343 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:38:48,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2024-10-11 20:38:49,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 643. [2024-10-11 20:38:49,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 510 states have (on average 1.3196078431372549) internal successors, (673), 529 states have internal predecessors, (673), 111 states have call successors, (111), 2 states have call predecessors, (111), 2 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2024-10-11 20:38:49,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 895 transitions. [2024-10-11 20:38:49,034 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 895 transitions. Word has length 97 [2024-10-11 20:38:49,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:49,034 INFO L471 AbstractCegarLoop]: Abstraction has 643 states and 895 transitions. [2024-10-11 20:38:49,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 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) [2024-10-11 20:38:49,034 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 895 transitions. [2024-10-11 20:38:49,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-11 20:38:49,035 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:49,035 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] [2024-10-11 20:38:49,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-11 20:38:49,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,14 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:49,236 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:38:49,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:49,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1533312153, now seen corresponding path program 1 times [2024-10-11 20:38:49,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:49,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471496796] [2024-10-11 20:38:49,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:49,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:49,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:38:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:49,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:38:49,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:49,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:38:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:49,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 20:38:49,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:49,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:38:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:49,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:38:49,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:49,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:38:49,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:49,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:38:49,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:49,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 20:38:49,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:49,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 20:38:49,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:49,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 20:38:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:49,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 20:38:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:49,325 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-10-11 20:38:49,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:49,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471496796] [2024-10-11 20:38:49,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471496796] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:38:49,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1203446656] [2024-10-11 20:38:49,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:49,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:49,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:49,327 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:38:49,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-11 20:38:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:49,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:38:49,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:49,418 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-10-11 20:38:49,419 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:38:49,515 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-10-11 20:38:49,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1203446656] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:38:49,516 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:38:49,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-10-11 20:38:49,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137117425] [2024-10-11 20:38:49,516 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:38:49,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:38:49,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:49,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:38:49,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:38:49,517 INFO L87 Difference]: Start difference. First operand 643 states and 895 transitions. Second operand has 11 states, 10 states have (on average 10.5) internal successors, (105), 11 states have internal predecessors, (105), 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) [2024-10-11 20:38:50,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:50,136 INFO L93 Difference]: Finished difference Result 776 states and 1048 transitions. [2024-10-11 20:38:50,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 20:38:50,137 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 10.5) internal successors, (105), 11 states have internal predecessors, (105), 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 98 [2024-10-11 20:38:50,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:50,139 INFO L225 Difference]: With dead ends: 776 [2024-10-11 20:38:50,139 INFO L226 Difference]: Without dead ends: 774 [2024-10-11 20:38:50,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2024-10-11 20:38:50,140 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 570 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 573 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:50,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [573 Valid, 455 Invalid, 474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:38:50,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2024-10-11 20:38:50,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 645. [2024-10-11 20:38:50,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 513 states have (on average 1.2729044834307992) internal successors, (653), 531 states have internal predecessors, (653), 111 states have call successors, (111), 2 states have call predecessors, (111), 2 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2024-10-11 20:38:50,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 875 transitions. [2024-10-11 20:38:50,177 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 875 transitions. Word has length 98 [2024-10-11 20:38:50,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:50,177 INFO L471 AbstractCegarLoop]: Abstraction has 645 states and 875 transitions. [2024-10-11 20:38:50,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 10.5) internal successors, (105), 11 states have internal predecessors, (105), 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) [2024-10-11 20:38:50,178 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 875 transitions. [2024-10-11 20:38:50,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-11 20:38:50,178 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:50,178 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] [2024-10-11 20:38:50,205 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-10-11 20:38:50,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-10-11 20:38:50,379 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:38:50,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:50,379 INFO L85 PathProgramCache]: Analyzing trace with hash 339199601, now seen corresponding path program 1 times [2024-10-11 20:38:50,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:50,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840399637] [2024-10-11 20:38:50,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:50,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:50,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:50,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:38:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:50,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:38:50,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:50,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:38:50,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:50,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 20:38:50,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:50,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:38:50,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:50,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:38:50,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:50,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:38:50,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:50,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:38:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:50,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 20:38:50,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:50,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 20:38:50,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:50,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 20:38:50,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:50,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 20:38:50,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:50,437 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-10-11 20:38:50,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:50,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840399637] [2024-10-11 20:38:50,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840399637] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:50,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:38:50,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:38:50,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134171935] [2024-10-11 20:38:50,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:50,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:38:50,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:50,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:38:50,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:38:50,440 INFO L87 Difference]: Start difference. First operand 645 states and 875 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 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) [2024-10-11 20:38:50,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:50,507 INFO L93 Difference]: Finished difference Result 645 states and 875 transitions. [2024-10-11 20:38:50,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:38:50,507 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 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 100 [2024-10-11 20:38:50,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:50,509 INFO L225 Difference]: With dead ends: 645 [2024-10-11 20:38:50,511 INFO L226 Difference]: Without dead ends: 644 [2024-10-11 20:38:50,511 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 [2024-10-11 20:38:50,512 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 16 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:50,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 148 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:38:50,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2024-10-11 20:38:50,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 644. [2024-10-11 20:38:50,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 513 states have (on average 1.2651072124756335) internal successors, (649), 530 states have internal predecessors, (649), 111 states have call successors, (111), 2 states have call predecessors, (111), 2 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2024-10-11 20:38:50,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 871 transitions. [2024-10-11 20:38:50,549 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 871 transitions. Word has length 100 [2024-10-11 20:38:50,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:50,549 INFO L471 AbstractCegarLoop]: Abstraction has 644 states and 871 transitions. [2024-10-11 20:38:50,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 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) [2024-10-11 20:38:50,549 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 871 transitions. [2024-10-11 20:38:50,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-11 20:38:50,550 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:50,550 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] [2024-10-11 20:38:50,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-11 20:38:50,551 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:38:50,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:50,551 INFO L85 PathProgramCache]: Analyzing trace with hash -446694029, now seen corresponding path program 1 times [2024-10-11 20:38:50,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:50,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798862974] [2024-10-11 20:38:50,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:50,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:50,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:50,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:38:50,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:50,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:38:50,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:50,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:38:50,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:50,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 20:38:50,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:50,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:38:50,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:50,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:38:50,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:50,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:38:50,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:50,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:38:50,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:50,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 20:38:50,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:50,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 20:38:50,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:50,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 20:38:50,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:50,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 20:38:50,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:50,636 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-10-11 20:38:50,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:50,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798862974] [2024-10-11 20:38:50,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798862974] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:38:50,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1316050855] [2024-10-11 20:38:50,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:50,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:50,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:50,638 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:38:50,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-11 20:38:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:50,681 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:38:50,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:50,779 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-10-11 20:38:50,780 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:38:50,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1316050855] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:50,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:38:50,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-10-11 20:38:50,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676075741] [2024-10-11 20:38:50,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:50,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:38:50,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:50,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:38:50,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:38:50,782 INFO L87 Difference]: Start difference. First operand 644 states and 871 transitions. Second operand has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-11 20:38:51,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:51,027 INFO L93 Difference]: Finished difference Result 661 states and 902 transitions. [2024-10-11 20:38:51,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:38:51,027 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 102 [2024-10-11 20:38:51,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:51,030 INFO L225 Difference]: With dead ends: 661 [2024-10-11 20:38:51,030 INFO L226 Difference]: Without dead ends: 660 [2024-10-11 20:38:51,030 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:38:51,031 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 53 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:51,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 113 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:38:51,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2024-10-11 20:38:51,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 643. [2024-10-11 20:38:51,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 513 states have (on average 1.2573099415204678) internal successors, (645), 529 states have internal predecessors, (645), 111 states have call successors, (111), 2 states have call predecessors, (111), 2 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2024-10-11 20:38:51,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 867 transitions. [2024-10-11 20:38:51,069 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 867 transitions. Word has length 102 [2024-10-11 20:38:51,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:51,069 INFO L471 AbstractCegarLoop]: Abstraction has 643 states and 867 transitions. [2024-10-11 20:38:51,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-11 20:38:51,070 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 867 transitions. [2024-10-11 20:38:51,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-11 20:38:51,070 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:51,070 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] [2024-10-11 20:38:51,082 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-10-11 20:38:51,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:51,274 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:38:51,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:51,274 INFO L85 PathProgramCache]: Analyzing trace with hash -962612885, now seen corresponding path program 1 times [2024-10-11 20:38:51,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:51,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829846638] [2024-10-11 20:38:51,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:51,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:51,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:38:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:51,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:38:51,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:51,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:38:51,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:51,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 20:38:51,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:51,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:38:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:51,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:38:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:51,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:38:51,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:51,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:38:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:51,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 20:38:51,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:51,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 20:38:51,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:51,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 20:38:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:51,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 20:38:51,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:51,367 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-10-11 20:38:51,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:51,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829846638] [2024-10-11 20:38:51,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829846638] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:38:51,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1556553606] [2024-10-11 20:38:51,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:51,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:51,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:51,369 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:38:51,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-11 20:38:51,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:51,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:38:51,415 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:51,543 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-10-11 20:38:51,543 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:38:51,641 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-10-11 20:38:51,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1556553606] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:38:51,641 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:38:51,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-10-11 20:38:51,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181809329] [2024-10-11 20:38:51,642 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:38:51,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:38:51,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:51,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:38:51,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:38:51,643 INFO L87 Difference]: Start difference. First operand 643 states and 867 transitions. Second operand has 11 states, 10 states have (on average 13.1) internal successors, (131), 11 states have internal predecessors, (131), 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) [2024-10-11 20:38:52,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:52,187 INFO L93 Difference]: Finished difference Result 904 states and 1231 transitions. [2024-10-11 20:38:52,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:38:52,187 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 13.1) internal successors, (131), 11 states have internal predecessors, (131), 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 103 [2024-10-11 20:38:52,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:52,190 INFO L225 Difference]: With dead ends: 904 [2024-10-11 20:38:52,191 INFO L226 Difference]: Without dead ends: 902 [2024-10-11 20:38:52,191 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:38:52,191 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 242 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:52,192 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 294 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:38:52,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2024-10-11 20:38:52,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 765. [2024-10-11 20:38:52,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 765 states, 617 states have (on average 1.2576985413290114) internal successors, (776), 633 states have internal predecessors, (776), 129 states have call successors, (129), 2 states have call predecessors, (129), 2 states have return successors, (129), 129 states have call predecessors, (129), 129 states have call successors, (129) [2024-10-11 20:38:52,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 1034 transitions. [2024-10-11 20:38:52,239 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 1034 transitions. Word has length 103 [2024-10-11 20:38:52,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:52,240 INFO L471 AbstractCegarLoop]: Abstraction has 765 states and 1034 transitions. [2024-10-11 20:38:52,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 13.1) internal successors, (131), 11 states have internal predecessors, (131), 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) [2024-10-11 20:38:52,240 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 1034 transitions. [2024-10-11 20:38:52,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-11 20:38:52,241 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:52,241 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:38:52,260 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-11 20:38:52,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-10-11 20:38:52,445 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:38:52,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:52,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1163676672, now seen corresponding path program 1 times [2024-10-11 20:38:52,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:52,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266985768] [2024-10-11 20:38:52,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:52,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:52,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:38:52,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [930635993] [2024-10-11 20:38:52,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:52,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:52,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:52,465 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:38:52,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-11 20:38:52,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:52,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-11 20:38:52,545 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:53,011 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-10-11 20:38:53,011 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:38:53,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:53,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266985768] [2024-10-11 20:38:53,124 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:38:53,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930635993] [2024-10-11 20:38:53,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [930635993] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:38:53,124 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:38:53,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-11 20:38:53,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366571047] [2024-10-11 20:38:53,125 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:38:53,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:38:53,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:53,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:38:53,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-10-11 20:38:53,126 INFO L87 Difference]: Start difference. First operand 765 states and 1034 transitions. Second operand has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 12 states have internal predecessors, (56), 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) [2024-10-11 20:38:53,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:53,872 INFO L93 Difference]: Finished difference Result 850 states and 1144 transitions. [2024-10-11 20:38:53,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 20:38:53,876 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 12 states have internal predecessors, (56), 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 112 [2024-10-11 20:38:53,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:53,881 INFO L225 Difference]: With dead ends: 850 [2024-10-11 20:38:53,881 INFO L226 Difference]: Without dead ends: 847 [2024-10-11 20:38:53,882 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=472, Unknown=0, NotChecked=0, Total=600 [2024-10-11 20:38:53,882 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 202 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 873 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 873 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:53,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 453 Invalid, 900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 873 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:38:53,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2024-10-11 20:38:53,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 830. [2024-10-11 20:38:53,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 830 states, 670 states have (on average 1.2582089552238807) internal successors, (843), 686 states have internal predecessors, (843), 141 states have call successors, (141), 2 states have call predecessors, (141), 2 states have return successors, (141), 141 states have call predecessors, (141), 141 states have call successors, (141) [2024-10-11 20:38:53,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1125 transitions. [2024-10-11 20:38:53,955 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 1125 transitions. Word has length 112 [2024-10-11 20:38:53,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:53,955 INFO L471 AbstractCegarLoop]: Abstraction has 830 states and 1125 transitions. [2024-10-11 20:38:53,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 12 states have internal predecessors, (56), 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) [2024-10-11 20:38:53,955 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1125 transitions. [2024-10-11 20:38:53,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-11 20:38:53,956 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:53,956 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:38:53,969 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-10-11 20:38:54,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,18 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:54,158 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:38:54,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:54,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1714238409, now seen corresponding path program 1 times [2024-10-11 20:38:54,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:54,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077961733] [2024-10-11 20:38:54,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:54,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:54,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:38:54,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [38334482] [2024-10-11 20:38:54,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:54,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:54,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:54,175 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:38:54,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-11 20:38:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:54,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-11 20:38:54,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:54,713 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-10-11 20:38:54,713 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:38:55,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:55,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077961733] [2024-10-11 20:38:55,245 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:38:55,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [38334482] [2024-10-11 20:38:55,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [38334482] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:38:55,246 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:38:55,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-11 20:38:55,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590520859] [2024-10-11 20:38:55,246 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:38:55,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:38:55,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:55,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:38:55,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-10-11 20:38:55,247 INFO L87 Difference]: Start difference. First operand 830 states and 1125 transitions. Second operand has 12 states, 11 states have (on average 5.181818181818182) internal successors, (57), 12 states have internal predecessors, (57), 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) [2024-10-11 20:38:55,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:55,927 INFO L93 Difference]: Finished difference Result 854 states and 1142 transitions. [2024-10-11 20:38:55,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 20:38:55,927 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.181818181818182) internal successors, (57), 12 states have internal predecessors, (57), 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 113 [2024-10-11 20:38:55,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:55,930 INFO L225 Difference]: With dead ends: 854 [2024-10-11 20:38:55,930 INFO L226 Difference]: Without dead ends: 851 [2024-10-11 20:38:55,930 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=121, Invalid=431, Unknown=0, NotChecked=0, Total=552 [2024-10-11 20:38:55,931 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 242 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:55,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 397 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:38:55,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2024-10-11 20:38:55,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 832. [2024-10-11 20:38:55,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 832 states, 672 states have (on average 1.2485119047619047) internal successors, (839), 688 states have internal predecessors, (839), 141 states have call successors, (141), 2 states have call predecessors, (141), 2 states have return successors, (141), 141 states have call predecessors, (141), 141 states have call successors, (141) [2024-10-11 20:38:55,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1121 transitions. [2024-10-11 20:38:55,978 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1121 transitions. Word has length 113 [2024-10-11 20:38:55,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:55,978 INFO L471 AbstractCegarLoop]: Abstraction has 832 states and 1121 transitions. [2024-10-11 20:38:55,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.181818181818182) internal successors, (57), 12 states have internal predecessors, (57), 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) [2024-10-11 20:38:55,978 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1121 transitions. [2024-10-11 20:38:55,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-10-11 20:38:55,979 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:55,979 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] [2024-10-11 20:38:55,991 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-11 20:38:56,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-10-11 20:38:56,183 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:38:56,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:56,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1601783070, now seen corresponding path program 1 times [2024-10-11 20:38:56,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:56,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40830525] [2024-10-11 20:38:56,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:56,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:56,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:56,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:38:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:56,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:38:56,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:56,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:38:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:56,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 20:38:56,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:56,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:38:56,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:56,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:38:56,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:56,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:38:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:56,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:38:56,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:56,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 20:38:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:56,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 20:38:56,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:56,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 20:38:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:56,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 20:38:56,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:56,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 20:38:56,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:56,290 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-10-11 20:38:56,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:56,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40830525] [2024-10-11 20:38:56,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40830525] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:56,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:38:56,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 20:38:56,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801496225] [2024-10-11 20:38:56,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:56,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:38:56,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:56,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:38:56,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:38:56,293 INFO L87 Difference]: Start difference. First operand 832 states and 1121 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 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) [2024-10-11 20:38:57,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:57,090 INFO L93 Difference]: Finished difference Result 836 states and 1121 transitions. [2024-10-11 20:38:57,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 20:38:57,090 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 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 114 [2024-10-11 20:38:57,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:57,093 INFO L225 Difference]: With dead ends: 836 [2024-10-11 20:38:57,093 INFO L226 Difference]: Without dead ends: 835 [2024-10-11 20:38:57,093 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:38:57,094 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 85 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:57,094 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 205 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:38:57,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2024-10-11 20:38:57,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 793. [2024-10-11 20:38:57,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 793 states, 638 states have (on average 1.2398119122257054) internal successors, (791), 653 states have internal predecessors, (791), 137 states have call successors, (137), 2 states have call predecessors, (137), 2 states have return successors, (137), 137 states have call predecessors, (137), 137 states have call successors, (137) [2024-10-11 20:38:57,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 1065 transitions. [2024-10-11 20:38:57,140 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 1065 transitions. Word has length 114 [2024-10-11 20:38:57,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:57,140 INFO L471 AbstractCegarLoop]: Abstraction has 793 states and 1065 transitions. [2024-10-11 20:38:57,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 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) [2024-10-11 20:38:57,141 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1065 transitions. [2024-10-11 20:38:57,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-11 20:38:57,141 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:57,141 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] [2024-10-11 20:38:57,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-11 20:38:57,142 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:38:57,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:57,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1884332441, now seen corresponding path program 1 times [2024-10-11 20:38:57,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:57,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596627022] [2024-10-11 20:38:57,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:57,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:38:57,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2005501410] [2024-10-11 20:38:57,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:57,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:57,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:57,153 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:38:57,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-11 20:38:57,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:57,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-11 20:38:57,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:57,605 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-10-11 20:38:57,606 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:39:09,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:39:09,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596627022] [2024-10-11 20:39:09,855 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:39:09,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2005501410] [2024-10-11 20:39:09,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2005501410] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:39:09,855 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:39:09,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-10-11 20:39:09,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099915086] [2024-10-11 20:39:09,855 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:39:09,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:39:09,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:39:09,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:39:09,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=219, Unknown=3, NotChecked=0, Total=272 [2024-10-11 20:39:09,856 INFO L87 Difference]: Start difference. First operand 793 states and 1065 transitions. Second operand has 11 states, 10 states have (on average 5.9) internal successors, (59), 11 states have internal predecessors, (59), 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) [2024-10-11 20:39:10,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:39:10,406 INFO L93 Difference]: Finished difference Result 809 states and 1071 transitions. [2024-10-11 20:39:10,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 20:39:10,407 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.9) internal successors, (59), 11 states have internal predecessors, (59), 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 115 [2024-10-11 20:39:10,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:39:10,409 INFO L225 Difference]: With dead ends: 809 [2024-10-11 20:39:10,409 INFO L226 Difference]: Without dead ends: 802 [2024-10-11 20:39:10,410 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 12.3s TimeCoverageRelationStatistics Valid=95, Invalid=408, Unknown=3, NotChecked=0, Total=506 [2024-10-11 20:39:10,410 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 180 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 639 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:39:10,410 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 378 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 639 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:39:10,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2024-10-11 20:39:10,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 791. [2024-10-11 20:39:10,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 636 states have (on average 1.229559748427673) internal successors, (782), 651 states have internal predecessors, (782), 137 states have call successors, (137), 2 states have call predecessors, (137), 2 states have return successors, (137), 137 states have call predecessors, (137), 137 states have call successors, (137) [2024-10-11 20:39:10,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1056 transitions. [2024-10-11 20:39:10,461 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1056 transitions. Word has length 115 [2024-10-11 20:39:10,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:39:10,461 INFO L471 AbstractCegarLoop]: Abstraction has 791 states and 1056 transitions. [2024-10-11 20:39:10,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.9) internal successors, (59), 11 states have internal predecessors, (59), 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) [2024-10-11 20:39:10,461 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1056 transitions. [2024-10-11 20:39:10,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-11 20:39:10,462 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:39:10,462 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:39:10,493 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-10-11 20:39:10,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,20 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:39:10,663 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:39:10,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:39:10,663 INFO L85 PathProgramCache]: Analyzing trace with hash -685818489, now seen corresponding path program 2 times [2024-10-11 20:39:10,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:39:10,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632943314] [2024-10-11 20:39:10,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:39:10,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:39:10,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:39:10,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [86401518] [2024-10-11 20:39:10,678 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:39:10,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:39:10,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:39:10,683 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:39:10,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-11 20:39:10,737 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:39:10,737 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:39:10,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-11 20:39:10,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:39:11,061 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 3 proven. 31 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-10-11 20:39:11,061 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:39:11,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:39:11,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632943314] [2024-10-11 20:39:11,428 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:39:11,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [86401518] [2024-10-11 20:39:11,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [86401518] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:39:11,428 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:39:11,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-11 20:39:11,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90460004] [2024-10-11 20:39:11,429 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:39:11,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:39:11,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:39:11,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:39:11,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:39:11,430 INFO L87 Difference]: Start difference. First operand 791 states and 1056 transitions. Second operand has 12 states, 11 states have (on average 5.363636363636363) internal successors, (59), 11 states have internal predecessors, (59), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) [2024-10-11 20:39:12,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:39:12,157 INFO L93 Difference]: Finished difference Result 1123 states and 1524 transitions. [2024-10-11 20:39:12,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 20:39:12,157 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.363636363636363) internal successors, (59), 11 states have internal predecessors, (59), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) Word has length 115 [2024-10-11 20:39:12,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:39:12,161 INFO L225 Difference]: With dead ends: 1123 [2024-10-11 20:39:12,162 INFO L226 Difference]: Without dead ends: 1119 [2024-10-11 20:39:12,162 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2024-10-11 20:39:12,166 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 601 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 1143 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 607 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 1245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 1143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:39:12,166 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [607 Valid, 425 Invalid, 1245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 1143 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:39:12,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2024-10-11 20:39:12,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 947. [2024-10-11 20:39:12,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 947 states, 764 states have (on average 1.2172774869109948) internal successors, (930), 779 states have internal predecessors, (930), 165 states have call successors, (165), 2 states have call predecessors, (165), 2 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-10-11 20:39:12,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1260 transitions. [2024-10-11 20:39:12,228 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1260 transitions. Word has length 115 [2024-10-11 20:39:12,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:39:12,228 INFO L471 AbstractCegarLoop]: Abstraction has 947 states and 1260 transitions. [2024-10-11 20:39:12,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.363636363636363) internal successors, (59), 11 states have internal predecessors, (59), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) [2024-10-11 20:39:12,229 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1260 transitions. [2024-10-11 20:39:12,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-10-11 20:39:12,229 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:39:12,230 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:39:12,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-10-11 20:39:12,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-10-11 20:39:12,430 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:39:12,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:39:12,431 INFO L85 PathProgramCache]: Analyzing trace with hash -770695640, now seen corresponding path program 2 times [2024-10-11 20:39:12,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:39:12,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045688612] [2024-10-11 20:39:12,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:39:12,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:39:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:12,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:39:12,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:12,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:39:12,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:12,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:39:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:12,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 20:39:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:12,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:39:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:12,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:39:12,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:12,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:39:12,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:12,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:39:12,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:12,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 20:39:12,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:12,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 20:39:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:12,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 20:39:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:12,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 20:39:12,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:12,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 20:39:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:12,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 20:39:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:12,506 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-10-11 20:39:12,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:39:12,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045688612] [2024-10-11 20:39:12,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045688612] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:39:12,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:39:12,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 20:39:12,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580539082] [2024-10-11 20:39:12,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:39:12,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:39:12,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:39:12,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:39:12,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:39:12,507 INFO L87 Difference]: Start difference. First operand 947 states and 1260 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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) [2024-10-11 20:39:12,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:39:12,791 INFO L93 Difference]: Finished difference Result 1274 states and 1706 transitions. [2024-10-11 20:39:12,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 20:39:12,791 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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 122 [2024-10-11 20:39:12,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:39:12,794 INFO L225 Difference]: With dead ends: 1274 [2024-10-11 20:39:12,794 INFO L226 Difference]: Without dead ends: 621 [2024-10-11 20:39:12,797 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 [2024-10-11 20:39:12,798 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 29 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:39:12,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 154 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:39:12,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2024-10-11 20:39:12,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 584. [2024-10-11 20:39:12,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 465 states have (on average 1.221505376344086) internal successors, (568), 480 states have internal predecessors, (568), 101 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2024-10-11 20:39:12,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 770 transitions. [2024-10-11 20:39:12,842 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 770 transitions. Word has length 122 [2024-10-11 20:39:12,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:39:12,844 INFO L471 AbstractCegarLoop]: Abstraction has 584 states and 770 transitions. [2024-10-11 20:39:12,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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) [2024-10-11 20:39:12,844 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 770 transitions. [2024-10-11 20:39:12,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-11 20:39:12,845 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:39:12,845 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, 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] [2024-10-11 20:39:12,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-10-11 20:39:12,845 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:39:12,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:39:12,845 INFO L85 PathProgramCache]: Analyzing trace with hash 490794444, now seen corresponding path program 2 times [2024-10-11 20:39:12,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:39:12,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351869809] [2024-10-11 20:39:12,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:39:12,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:39:12,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:39:12,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [375989227] [2024-10-11 20:39:12,862 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:39:12,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:39:12,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:39:12,865 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:39:12,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-11 20:39:12,916 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:39:12,916 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:39:12,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-11 20:39:12,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:39:13,415 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-10-11 20:39:13,416 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:39:13,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:39:13,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351869809] [2024-10-11 20:39:13,517 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:39:13,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375989227] [2024-10-11 20:39:13,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375989227] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:39:13,517 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:39:13,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-10-11 20:39:13,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900815193] [2024-10-11 20:39:13,518 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:39:13,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 20:39:13,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:39:13,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 20:39:13,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:39:13,519 INFO L87 Difference]: Start difference. First operand 584 states and 770 transitions. Second operand has 14 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 14 states have internal predecessors, (74), 8 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 8 states have call successors, (17) [2024-10-11 20:39:14,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:39:14,265 INFO L93 Difference]: Finished difference Result 671 states and 882 transitions. [2024-10-11 20:39:14,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-11 20:39:14,266 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 14 states have internal predecessors, (74), 8 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 8 states have call successors, (17) Word has length 150 [2024-10-11 20:39:14,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:39:14,268 INFO L225 Difference]: With dead ends: 671 [2024-10-11 20:39:14,268 INFO L226 Difference]: Without dead ends: 668 [2024-10-11 20:39:14,268 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=147, Invalid=665, Unknown=0, NotChecked=0, Total=812 [2024-10-11 20:39:14,269 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 218 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 1168 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 1199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:39:14,269 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 547 Invalid, 1199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1168 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:39:14,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2024-10-11 20:39:14,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 650. [2024-10-11 20:39:14,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 519 states have (on average 1.2254335260115607) internal successors, (636), 534 states have internal predecessors, (636), 113 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2024-10-11 20:39:14,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 862 transitions. [2024-10-11 20:39:14,309 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 862 transitions. Word has length 150 [2024-10-11 20:39:14,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:39:14,309 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 862 transitions. [2024-10-11 20:39:14,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 14 states have internal predecessors, (74), 8 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 8 states have call successors, (17) [2024-10-11 20:39:14,309 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 862 transitions. [2024-10-11 20:39:14,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-10-11 20:39:14,310 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:39:14,310 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, 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] [2024-10-11 20:39:14,326 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-10-11 20:39:14,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,22 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:39:14,511 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:39:14,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:39:14,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1965241365, now seen corresponding path program 2 times [2024-10-11 20:39:14,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:39:14,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128951218] [2024-10-11 20:39:14,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:39:14,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:39:14,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:39:14,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [730205565] [2024-10-11 20:39:14,532 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:39:14,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:39:14,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:39:14,533 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:39:14,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-11 20:39:14,582 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:39:14,582 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:39:14,583 INFO L255 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-11 20:39:14,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:39:15,219 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 3 proven. 57 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-10-11 20:39:15,219 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:39:15,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:39:15,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128951218] [2024-10-11 20:39:15,658 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:39:15,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730205565] [2024-10-11 20:39:15,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730205565] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:39:15,658 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:39:15,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-10-11 20:39:15,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896842021] [2024-10-11 20:39:15,659 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:39:15,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 20:39:15,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:39:15,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 20:39:15,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:39:15,660 INFO L87 Difference]: Start difference. First operand 650 states and 862 transitions. Second operand has 13 states, 12 states have (on average 6.25) internal successors, (75), 12 states have internal predecessors, (75), 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) [2024-10-11 20:39:16,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:39:16,046 INFO L93 Difference]: Finished difference Result 669 states and 876 transitions. [2024-10-11 20:39:16,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 20:39:16,046 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.25) internal successors, (75), 12 states have internal predecessors, (75), 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 151 [2024-10-11 20:39:16,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:39:16,049 INFO L225 Difference]: With dead ends: 669 [2024-10-11 20:39:16,049 INFO L226 Difference]: Without dead ends: 666 [2024-10-11 20:39:16,049 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2024-10-11 20:39:16,049 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 111 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:39:16,049 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 280 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:39:16,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2024-10-11 20:39:16,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 651. [2024-10-11 20:39:16,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 651 states, 520 states have (on average 1.2134615384615384) internal successors, (631), 535 states have internal predecessors, (631), 113 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2024-10-11 20:39:16,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 857 transitions. [2024-10-11 20:39:16,109 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 857 transitions. Word has length 151 [2024-10-11 20:39:16,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:39:16,109 INFO L471 AbstractCegarLoop]: Abstraction has 651 states and 857 transitions. [2024-10-11 20:39:16,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.25) internal successors, (75), 12 states have internal predecessors, (75), 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) [2024-10-11 20:39:16,109 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 857 transitions. [2024-10-11 20:39:16,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-10-11 20:39:16,110 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:39:16,110 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, 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] [2024-10-11 20:39:16,123 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-10-11 20:39:16,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,23 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:39:16,315 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:39:16,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:39:16,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1188660301, now seen corresponding path program 2 times [2024-10-11 20:39:16,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:39:16,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249289176] [2024-10-11 20:39:16,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:39:16,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:39:16,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:39:16,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [74573820] [2024-10-11 20:39:16,336 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:39:16,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:39:16,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:39:16,339 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:39:16,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-11 20:39:16,389 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:39:16,389 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:39:16,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-11 20:39:16,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:39:16,993 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-10-11 20:39:16,994 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:39:18,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:39:18,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249289176] [2024-10-11 20:39:18,243 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:39:18,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [74573820] [2024-10-11 20:39:18,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [74573820] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:39:18,243 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:39:18,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2024-10-11 20:39:18,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099899406] [2024-10-11 20:39:18,243 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:39:18,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-11 20:39:18,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:39:18,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-11 20:39:18,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=476, Unknown=0, NotChecked=0, Total=600 [2024-10-11 20:39:18,244 INFO L87 Difference]: Start difference. First operand 651 states and 857 transitions. Second operand has 15 states, 14 states have (on average 5.5) internal successors, (77), 15 states have internal predecessors, (77), 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) [2024-10-11 20:39:19,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:39:19,177 INFO L93 Difference]: Finished difference Result 667 states and 863 transitions. [2024-10-11 20:39:19,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-11 20:39:19,178 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 5.5) internal successors, (77), 15 states have internal predecessors, (77), 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 153 [2024-10-11 20:39:19,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:39:19,180 INFO L225 Difference]: With dead ends: 667 [2024-10-11 20:39:19,180 INFO L226 Difference]: Without dead ends: 660 [2024-10-11 20:39:19,184 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=285, Invalid=1047, Unknown=0, NotChecked=0, Total=1332 [2024-10-11 20:39:19,185 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 223 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 1330 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 1363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 20:39:19,185 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 586 Invalid, 1363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1330 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 20:39:19,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2024-10-11 20:39:19,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 613. [2024-10-11 20:39:19,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 489 states have (on average 1.1983640081799591) internal successors, (586), 504 states have internal predecessors, (586), 106 states have call successors, (106), 2 states have call predecessors, (106), 2 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) [2024-10-11 20:39:19,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 798 transitions. [2024-10-11 20:39:19,226 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 798 transitions. Word has length 153 [2024-10-11 20:39:19,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:39:19,227 INFO L471 AbstractCegarLoop]: Abstraction has 613 states and 798 transitions. [2024-10-11 20:39:19,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 5.5) internal successors, (77), 15 states have internal predecessors, (77), 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) [2024-10-11 20:39:19,227 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 798 transitions. [2024-10-11 20:39:19,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-10-11 20:39:19,227 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:39:19,228 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:39:19,240 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-10-11 20:39:19,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,24 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:39:19,433 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:39:19,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:39:19,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1381490629, now seen corresponding path program 3 times [2024-10-11 20:39:19,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:39:19,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556466701] [2024-10-11 20:39:19,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:39:19,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:39:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:39:19,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1228450958] [2024-10-11 20:39:19,457 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 20:39:19,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:39:19,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:39:19,460 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:39:19,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-11 20:39:19,494 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-11 20:39:19,495 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:39:19,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-11 20:39:19,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:39:20,060 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 51 proven. 17 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2024-10-11 20:39:20,060 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:39:25,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:39:25,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556466701] [2024-10-11 20:39:25,015 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:39:25,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1228450958] [2024-10-11 20:39:25,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1228450958] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:39:25,016 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:39:25,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-11 20:39:25,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451839400] [2024-10-11 20:39:25,016 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:39:25,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 20:39:25,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:39:25,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 20:39:25,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=171, Unknown=2, NotChecked=0, Total=210 [2024-10-11 20:39:25,017 INFO L87 Difference]: Start difference. First operand 613 states and 798 transitions. Second operand has 12 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 3 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-11 20:39:25,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:39:25,713 INFO L93 Difference]: Finished difference Result 752 states and 992 transitions. [2024-10-11 20:39:25,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 20:39:25,713 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 3 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) Word has length 153 [2024-10-11 20:39:25,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:39:25,719 INFO L225 Difference]: With dead ends: 752 [2024-10-11 20:39:25,719 INFO L226 Difference]: Without dead ends: 748 [2024-10-11 20:39:25,720 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=96, Invalid=322, Unknown=2, NotChecked=0, Total=420 [2024-10-11 20:39:25,720 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 396 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 795 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:39:25,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 324 Invalid, 862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 795 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 20:39:25,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2024-10-11 20:39:25,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 609. [2024-10-11 20:39:25,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 485 states have (on average 1.1917525773195876) internal successors, (578), 500 states have internal predecessors, (578), 106 states have call successors, (106), 2 states have call predecessors, (106), 2 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) [2024-10-11 20:39:25,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 790 transitions. [2024-10-11 20:39:25,766 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 790 transitions. Word has length 153 [2024-10-11 20:39:25,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:39:25,766 INFO L471 AbstractCegarLoop]: Abstraction has 609 states and 790 transitions. [2024-10-11 20:39:25,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 3 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-11 20:39:25,767 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 790 transitions. [2024-10-11 20:39:25,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-10-11 20:39:25,767 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:39:25,767 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, 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] [2024-10-11 20:39:25,781 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-10-11 20:39:25,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-10-11 20:39:25,972 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:39:25,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:39:25,972 INFO L85 PathProgramCache]: Analyzing trace with hash -568005725, now seen corresponding path program 3 times [2024-10-11 20:39:25,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:39:25,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393912181] [2024-10-11 20:39:25,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:39:25,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:39:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:39:25,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1129678190] [2024-10-11 20:39:25,993 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 20:39:25,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:39:25,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:39:25,998 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:39:26,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-11 20:39:26,044 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-11 20:39:26,044 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:39:26,045 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-11 20:39:26,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:39:26,521 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 79 proven. 49 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2024-10-11 20:39:26,521 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:39:26,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:39:26,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393912181] [2024-10-11 20:39:26,904 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:39:26,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1129678190] [2024-10-11 20:39:26,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1129678190] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:39:26,904 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:39:26,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-10-11 20:39:26,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240853945] [2024-10-11 20:39:26,904 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:39:26,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:39:26,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:39:26,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:39:26,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:39:26,905 INFO L87 Difference]: Start difference. First operand 609 states and 790 transitions. Second operand has 11 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 4 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) [2024-10-11 20:39:28,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:39:28,816 INFO L93 Difference]: Finished difference Result 630 states and 818 transitions. [2024-10-11 20:39:28,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-11 20:39:28,816 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 4 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) Word has length 159 [2024-10-11 20:39:28,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:39:28,818 INFO L225 Difference]: With dead ends: 630 [2024-10-11 20:39:28,818 INFO L226 Difference]: Without dead ends: 627 [2024-10-11 20:39:28,819 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=156, Invalid=600, Unknown=0, NotChecked=0, Total=756 [2024-10-11 20:39:28,819 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 126 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 764 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-11 20:39:28,823 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 323 Invalid, 790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 764 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-11 20:39:28,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2024-10-11 20:39:28,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 606. [2024-10-11 20:39:28,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 606 states, 485 states have (on average 1.1608247422680413) internal successors, (563), 497 states have internal predecessors, (563), 106 states have call successors, (106), 2 states have call predecessors, (106), 2 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) [2024-10-11 20:39:28,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 775 transitions. [2024-10-11 20:39:28,919 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 775 transitions. Word has length 159 [2024-10-11 20:39:28,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:39:28,923 INFO L471 AbstractCegarLoop]: Abstraction has 606 states and 775 transitions. [2024-10-11 20:39:28,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 4 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) [2024-10-11 20:39:28,923 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 775 transitions. [2024-10-11 20:39:28,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-10-11 20:39:28,924 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:39:28,924 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, 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] [2024-10-11 20:39:28,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-10-11 20:39:29,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-10-11 20:39:29,125 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:39:29,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:39:29,125 INFO L85 PathProgramCache]: Analyzing trace with hash -428308236, now seen corresponding path program 3 times [2024-10-11 20:39:29,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:39:29,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484349400] [2024-10-11 20:39:29,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:39:29,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:39:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:39:29,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1612175483] [2024-10-11 20:39:29,155 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 20:39:29,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:39:29,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:39:29,160 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:39:29,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-10-11 20:39:29,219 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-10-11 20:39:29,220 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:39:29,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-11 20:39:29,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:39:30,121 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 67 proven. 64 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2024-10-11 20:39:30,121 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:39:31,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:39:31,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484349400] [2024-10-11 20:39:31,374 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:39:31,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612175483] [2024-10-11 20:39:31,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612175483] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:39:31,374 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:39:31,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-10-11 20:39:31,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981459758] [2024-10-11 20:39:31,375 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:39:31,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:39:31,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:39:31,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:39:31,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:39:31,376 INFO L87 Difference]: Start difference. First operand 606 states and 775 transitions. Second operand has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 5 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 4 states have call predecessors, (15), 5 states have call successors, (15) [2024-10-11 20:39:38,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-11 20:39:38,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:39:38,074 INFO L93 Difference]: Finished difference Result 1012 states and 1327 transitions. [2024-10-11 20:39:38,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 20:39:38,075 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 5 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 4 states have call predecessors, (15), 5 states have call successors, (15) Word has length 160 [2024-10-11 20:39:38,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:39:38,078 INFO L225 Difference]: With dead ends: 1012 [2024-10-11 20:39:38,078 INFO L226 Difference]: Without dead ends: 1009 [2024-10-11 20:39:38,078 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-10-11 20:39:38,078 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 115 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 23 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:39:38,079 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 214 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 387 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2024-10-11 20:39:38,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1009 states. [2024-10-11 20:39:38,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1009 to 980. [2024-10-11 20:39:38,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 980 states, 791 states have (on average 1.176991150442478) internal successors, (931), 803 states have internal predecessors, (931), 174 states have call successors, (174), 2 states have call predecessors, (174), 2 states have return successors, (174), 174 states have call predecessors, (174), 174 states have call successors, (174) [2024-10-11 20:39:38,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 1279 transitions. [2024-10-11 20:39:38,160 INFO L78 Accepts]: Start accepts. Automaton has 980 states and 1279 transitions. Word has length 160 [2024-10-11 20:39:38,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:39:38,161 INFO L471 AbstractCegarLoop]: Abstraction has 980 states and 1279 transitions. [2024-10-11 20:39:38,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 5 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 4 states have call predecessors, (15), 5 states have call successors, (15) [2024-10-11 20:39:38,161 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1279 transitions. [2024-10-11 20:39:38,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-10-11 20:39:38,162 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:39:38,162 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:39:38,177 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-10-11 20:39:38,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,27 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:39:38,366 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:39:38,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:39:38,366 INFO L85 PathProgramCache]: Analyzing trace with hash 712647446, now seen corresponding path program 3 times [2024-10-11 20:39:38,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:39:38,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965693865] [2024-10-11 20:39:38,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:39:38,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:39:38,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:39:38,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [85642768] [2024-10-11 20:39:38,381 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 20:39:38,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:39:38,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:39:38,387 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:39:38,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-10-11 20:39:38,435 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-10-11 20:39:38,435 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:39:38,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-10-11 20:39:38,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:39:38,881 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 66 proven. 70 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-10-11 20:39:38,881 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:39:39,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:39:39,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965693865] [2024-10-11 20:39:39,069 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:39:39,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [85642768] [2024-10-11 20:39:39,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [85642768] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:39:39,070 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:39:39,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-10-11 20:39:39,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768495072] [2024-10-11 20:39:39,070 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:39:39,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 20:39:39,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:39:39,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 20:39:39,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2024-10-11 20:39:39,071 INFO L87 Difference]: Start difference. First operand 980 states and 1279 transitions. Second operand has 13 states, 12 states have (on average 6.0) internal successors, (72), 13 states have internal predecessors, (72), 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) [2024-10-11 20:39:39,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:39:39,671 INFO L93 Difference]: Finished difference Result 987 states and 1285 transitions. [2024-10-11 20:39:39,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-11 20:39:39,671 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.0) internal successors, (72), 13 states have internal predecessors, (72), 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 162 [2024-10-11 20:39:39,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:39:39,674 INFO L225 Difference]: With dead ends: 987 [2024-10-11 20:39:39,675 INFO L226 Difference]: Without dead ends: 962 [2024-10-11 20:39:39,675 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 196 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=152, Invalid=660, Unknown=0, NotChecked=0, Total=812 [2024-10-11 20:39:39,675 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 179 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:39:39,676 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 141 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:39:39,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2024-10-11 20:39:39,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 894. [2024-10-11 20:39:39,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 894 states, 722 states have (on average 1.1204986149584488) internal successors, (809), 731 states have internal predecessors, (809), 160 states have call successors, (160), 2 states have call predecessors, (160), 2 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2024-10-11 20:39:39,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1129 transitions. [2024-10-11 20:39:39,782 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1129 transitions. Word has length 162 [2024-10-11 20:39:39,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:39:39,782 INFO L471 AbstractCegarLoop]: Abstraction has 894 states and 1129 transitions. [2024-10-11 20:39:39,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.0) internal successors, (72), 13 states have internal predecessors, (72), 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) [2024-10-11 20:39:39,782 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1129 transitions. [2024-10-11 20:39:39,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-11 20:39:39,783 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:39:39,783 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 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, 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] [2024-10-11 20:39:39,797 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-10-11 20:39:39,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,28 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:39:39,986 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:39:39,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:39:39,986 INFO L85 PathProgramCache]: Analyzing trace with hash 242470496, now seen corresponding path program 2 times [2024-10-11 20:39:39,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:39:39,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434953953] [2024-10-11 20:39:39,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:39:39,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:39:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:40,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:39:40,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:40,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:39:40,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:40,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:39:40,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:40,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 20:39:40,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:40,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:39:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:40,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:39:40,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:40,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:39:40,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:40,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:39:40,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:40,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 20:39:40,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:40,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 20:39:40,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:40,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 20:39:40,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:40,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 20:39:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:40,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 20:39:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:40,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 20:39:40,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:40,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 20:39:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:40,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 20:39:40,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:40,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 20:39:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:40,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 20:39:40,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:40,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 20:39:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:40,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 20:39:40,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:40,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-11 20:39:40,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:40,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 20:39:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:40,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 20:39:40,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:40,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 20:39:40,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:40,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 852 trivial. 0 not checked. [2024-10-11 20:39:40,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:39:40,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434953953] [2024-10-11 20:39:40,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434953953] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:39:40,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1785914408] [2024-10-11 20:39:40,171 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:39:40,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:39:40,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:39:40,173 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:39:40,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-10-11 20:39:40,228 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:39:40,228 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:39:40,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:39:40,231 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:39:40,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 852 trivial. 0 not checked. [2024-10-11 20:39:40,356 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:39:40,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 852 trivial. 0 not checked. [2024-10-11 20:39:40,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1785914408] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:39:40,605 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:39:40,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-10-11 20:39:40,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155883442] [2024-10-11 20:39:40,605 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:39:40,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 20:39:40,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:39:40,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 20:39:40,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=105, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:39:40,606 INFO L87 Difference]: Start difference. First operand 894 states and 1129 transitions. Second operand has 14 states, 13 states have (on average 13.692307692307692) internal successors, (178), 14 states have internal predecessors, (178), 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) [2024-10-11 20:39:41,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:39:41,076 INFO L93 Difference]: Finished difference Result 1827 states and 2309 transitions. [2024-10-11 20:39:41,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 20:39:41,077 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 13.692307692307692) internal successors, (178), 14 states have internal predecessors, (178), 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 211 [2024-10-11 20:39:41,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:39:41,082 INFO L225 Difference]: With dead ends: 1827 [2024-10-11 20:39:41,082 INFO L226 Difference]: Without dead ends: 1826 [2024-10-11 20:39:41,082 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 478 GetRequests, 464 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=143, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:39:41,082 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 541 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 566 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:39:41,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [566 Valid, 418 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:39:41,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1826 states. [2024-10-11 20:39:41,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1826 to 1419. [2024-10-11 20:39:41,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1419 states, 1151 states have (on average 1.1615986099044309) internal successors, (1337), 1160 states have internal predecessors, (1337), 256 states have call successors, (256), 2 states have call predecessors, (256), 2 states have return successors, (256), 256 states have call predecessors, (256), 256 states have call successors, (256) [2024-10-11 20:39:41,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1419 states and 1849 transitions. [2024-10-11 20:39:41,223 INFO L78 Accepts]: Start accepts. Automaton has 1419 states and 1849 transitions. Word has length 211 [2024-10-11 20:39:41,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:39:41,223 INFO L471 AbstractCegarLoop]: Abstraction has 1419 states and 1849 transitions. [2024-10-11 20:39:41,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 13.692307692307692) internal successors, (178), 14 states have internal predecessors, (178), 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) [2024-10-11 20:39:41,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 1849 transitions. [2024-10-11 20:39:41,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-10-11 20:39:41,225 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:39:41,225 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 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, 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] [2024-10-11 20:39:41,241 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-10-11 20:39:41,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-10-11 20:39:41,426 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:39:41,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:39:41,427 INFO L85 PathProgramCache]: Analyzing trace with hash 91309392, now seen corresponding path program 1 times [2024-10-11 20:39:41,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:39:41,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276921339] [2024-10-11 20:39:41,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:39:41,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:39:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:41,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:39:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:41,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:39:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:41,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:39:41,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:41,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 20:39:41,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:41,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:39:41,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:41,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:39:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:41,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:39:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:41,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:39:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:41,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 20:39:41,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:41,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 20:39:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:41,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 20:39:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:41,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 20:39:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:41,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 20:39:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:41,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 20:39:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:41,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 20:39:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:41,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 20:39:41,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:41,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-11 20:39:41,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:41,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 20:39:41,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:41,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 20:39:41,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:41,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-11 20:39:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:41,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 20:39:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:41,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 20:39:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:41,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 20:39:41,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:41,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-11 20:39:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:41,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-11 20:39:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:41,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2024-10-11 20:39:41,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:39:41,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276921339] [2024-10-11 20:39:41,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276921339] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:39:41,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1456299637] [2024-10-11 20:39:41,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:39:41,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:39:41,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:39:41,671 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:39:41,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-10-11 20:39:41,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:41,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:39:41,742 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:39:41,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 558 proven. 39 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-10-11 20:39:41,857 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:39:42,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 110 proven. 39 refuted. 0 times theorem prover too weak. 958 trivial. 0 not checked. [2024-10-11 20:39:42,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1456299637] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:39:42,060 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:39:42,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 15 [2024-10-11 20:39:42,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537826981] [2024-10-11 20:39:42,060 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:39:42,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-11 20:39:42,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:39:42,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-11 20:39:42,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-10-11 20:39:42,061 INFO L87 Difference]: Start difference. First operand 1419 states and 1849 transitions. Second operand has 15 states, 15 states have (on average 13.0) internal successors, (195), 15 states have internal predecessors, (195), 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) [2024-10-11 20:39:42,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:39:42,762 INFO L93 Difference]: Finished difference Result 2186 states and 2889 transitions. [2024-10-11 20:39:42,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-11 20:39:42,762 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 13.0) internal successors, (195), 15 states have internal predecessors, (195), 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 226 [2024-10-11 20:39:42,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:39:42,766 INFO L225 Difference]: With dead ends: 2186 [2024-10-11 20:39:42,766 INFO L226 Difference]: Without dead ends: 1153 [2024-10-11 20:39:42,768 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 526 GetRequests, 494 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=183, Invalid=687, Unknown=0, NotChecked=0, Total=870 [2024-10-11 20:39:42,768 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 239 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 860 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:39:42,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 521 Invalid, 917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 860 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:39:42,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1153 states. [2024-10-11 20:39:42,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1153 to 1120. [2024-10-11 20:39:42,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 906 states have (on average 1.184326710816777) internal successors, (1073), 915 states have internal predecessors, (1073), 202 states have call successors, (202), 2 states have call predecessors, (202), 2 states have return successors, (202), 202 states have call predecessors, (202), 202 states have call successors, (202) [2024-10-11 20:39:42,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1477 transitions. [2024-10-11 20:39:42,885 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1477 transitions. Word has length 226 [2024-10-11 20:39:42,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:39:42,885 INFO L471 AbstractCegarLoop]: Abstraction has 1120 states and 1477 transitions. [2024-10-11 20:39:42,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 13.0) internal successors, (195), 15 states have internal predecessors, (195), 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) [2024-10-11 20:39:42,886 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1477 transitions. [2024-10-11 20:39:42,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-10-11 20:39:42,889 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:39:42,889 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 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, 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] [2024-10-11 20:39:42,901 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-10-11 20:39:43,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38,30 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:39:43,090 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:39:43,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:39:43,090 INFO L85 PathProgramCache]: Analyzing trace with hash 2051919616, now seen corresponding path program 2 times [2024-10-11 20:39:43,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:39:43,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571075291] [2024-10-11 20:39:43,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:39:43,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:39:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:43,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:39:43,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:43,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:39:43,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:43,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:39:43,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:43,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 20:39:43,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:43,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:39:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:43,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:39:43,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:43,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:39:43,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:43,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:39:43,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:43,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 20:39:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:43,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 20:39:43,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:43,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 20:39:43,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:43,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 20:39:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:43,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 20:39:43,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:43,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 20:39:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:43,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 20:39:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:43,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 20:39:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:43,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 20:39:43,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:43,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 20:39:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:43,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 20:39:43,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:43,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 20:39:43,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:43,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 20:39:43,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:43,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 20:39:43,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:43,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 20:39:43,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:43,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-11 20:39:43,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:43,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-11 20:39:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:43,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2024-10-11 20:39:43,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:39:43,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571075291] [2024-10-11 20:39:43,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571075291] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:39:43,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1730346903] [2024-10-11 20:39:43,317 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:39:43,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:39:43,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:39:43,319 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:39:43,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-10-11 20:39:43,384 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:39:43,384 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:39:43,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 20:39:43,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:39:43,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2024-10-11 20:39:43,701 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:39:43,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2024-10-11 20:39:43,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1730346903] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:39:43,951 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:39:43,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-10-11 20:39:43,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609706527] [2024-10-11 20:39:43,952 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:39:43,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-11 20:39:43,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:39:43,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-11 20:39:43,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=292, Unknown=0, NotChecked=0, Total=462 [2024-10-11 20:39:43,953 INFO L87 Difference]: Start difference. First operand 1120 states and 1477 transitions. Second operand has 22 states, 21 states have (on average 14.19047619047619) internal successors, (298), 22 states have internal predecessors, (298), 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) [2024-10-11 20:39:44,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:39:44,920 INFO L93 Difference]: Finished difference Result 2568 states and 3416 transitions. [2024-10-11 20:39:44,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-11 20:39:44,921 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 14.19047619047619) internal successors, (298), 22 states have internal predecessors, (298), 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 226 [2024-10-11 20:39:44,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:39:44,928 INFO L225 Difference]: With dead ends: 2568 [2024-10-11 20:39:44,928 INFO L226 Difference]: Without dead ends: 2555 [2024-10-11 20:39:44,929 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 525 GetRequests, 488 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 486 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=564, Invalid=918, Unknown=0, NotChecked=0, Total=1482 [2024-10-11 20:39:44,929 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 746 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 760 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:39:44,929 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [760 Valid, 534 Invalid, 718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:39:44,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2555 states. [2024-10-11 20:39:45,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2555 to 1469. [2024-10-11 20:39:45,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1469 states, 1191 states have (on average 1.1738035264483626) internal successors, (1398), 1200 states have internal predecessors, (1398), 266 states have call successors, (266), 2 states have call predecessors, (266), 2 states have return successors, (266), 266 states have call predecessors, (266), 266 states have call successors, (266) [2024-10-11 20:39:45,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1469 states and 1930 transitions. [2024-10-11 20:39:45,099 INFO L78 Accepts]: Start accepts. Automaton has 1469 states and 1930 transitions. Word has length 226 [2024-10-11 20:39:45,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:39:45,100 INFO L471 AbstractCegarLoop]: Abstraction has 1469 states and 1930 transitions. [2024-10-11 20:39:45,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 14.19047619047619) internal successors, (298), 22 states have internal predecessors, (298), 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) [2024-10-11 20:39:45,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 1930 transitions. [2024-10-11 20:39:45,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-10-11 20:39:45,101 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:39:45,101 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2024-10-11 20:39:45,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-10-11 20:39:45,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-10-11 20:39:45,306 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:39:45,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:39:45,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1009987132, now seen corresponding path program 1 times [2024-10-11 20:39:45,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:39:45,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644669921] [2024-10-11 20:39:45,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:39:45,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:39:45,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:45,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 20:39:45,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:45,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 20:39:45,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:45,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 20:39:45,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:45,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 20:39:45,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:45,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:39:45,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:45,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:39:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:45,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 20:39:45,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:45,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 20:39:45,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:45,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 20:39:45,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:45,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 20:39:45,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:45,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 20:39:45,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:45,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 20:39:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:45,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 20:39:45,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:45,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 20:39:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:45,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 20:39:45,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:45,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 20:39:45,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:45,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 20:39:45,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:45,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 20:39:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:45,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 20:39:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:45,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-11 20:39:45,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:45,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 20:39:45,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:45,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-11 20:39:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:45,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 20:39:45,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:45,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-11 20:39:45,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:45,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-11 20:39:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:45,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 20:39:45,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:45,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1233 backedges. 52 proven. 157 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2024-10-11 20:39:45,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:39:45,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644669921] [2024-10-11 20:39:45,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644669921] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:39:45,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929650571] [2024-10-11 20:39:45,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:39:45,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:39:45,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:39:45,533 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:39:45,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-10-11 20:39:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:39:45,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 20:39:45,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:39:45,939 INFO L134 CoverageAnalysis]: Checked inductivity of 1233 backedges. 140 proven. 157 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2024-10-11 20:39:45,939 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:39:46,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1233 backedges. 52 proven. 157 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2024-10-11 20:39:46,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [929650571] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:39:46,217 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:39:46,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 11 [2024-10-11 20:39:46,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851839863] [2024-10-11 20:39:46,217 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:39:46,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:39:46,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:39:46,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:39:46,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:39:46,218 INFO L87 Difference]: Start difference. First operand 1469 states and 1930 transitions. Second operand has 11 states, 11 states have (on average 11.909090909090908) internal successors, (131), 11 states have internal predecessors, (131), 9 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2024-10-11 20:39:47,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:39:47,068 INFO L93 Difference]: Finished difference Result 2754 states and 3632 transitions. [2024-10-11 20:39:47,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-11 20:39:47,068 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.909090909090908) internal successors, (131), 11 states have internal predecessors, (131), 9 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) Word has length 238 [2024-10-11 20:39:47,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:39:47,078 INFO L225 Difference]: With dead ends: 2754 [2024-10-11 20:39:47,078 INFO L226 Difference]: Without dead ends: 1833 [2024-10-11 20:39:47,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 546 GetRequests, 522 SyntacticMatches, 7 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2024-10-11 20:39:47,080 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 177 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 931 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:39:47,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 576 Invalid, 960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 931 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:39:47,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1833 states. [2024-10-11 20:39:47,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1833 to 1712. [2024-10-11 20:39:47,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1712 states, 1390 states have (on average 1.1647482014388488) internal successors, (1619), 1399 states have internal predecessors, (1619), 310 states have call successors, (310), 2 states have call predecessors, (310), 2 states have return successors, (310), 310 states have call predecessors, (310), 310 states have call successors, (310) [2024-10-11 20:39:47,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1712 states and 2239 transitions. [2024-10-11 20:39:47,278 INFO L78 Accepts]: Start accepts. Automaton has 1712 states and 2239 transitions. Word has length 238 [2024-10-11 20:39:47,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:39:47,279 INFO L471 AbstractCegarLoop]: Abstraction has 1712 states and 2239 transitions. [2024-10-11 20:39:47,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.909090909090908) internal successors, (131), 11 states have internal predecessors, (131), 9 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2024-10-11 20:39:47,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 2239 transitions. [2024-10-11 20:39:47,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-10-11 20:39:47,280 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:39:47,281 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 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] [2024-10-11 20:39:47,296 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-10-11 20:39:47,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,32 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:39:47,485 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:39:47,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:39:47,485 INFO L85 PathProgramCache]: Analyzing trace with hash -332575088, now seen corresponding path program 2 times [2024-10-11 20:39:47,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:39:47,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470655354] [2024-10-11 20:39:47,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:39:47,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:39:47,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:39:47,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1096520778] [2024-10-11 20:39:47,505 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 20:39:47,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:39:47,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:39:47,506 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:39:47,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-10-11 20:39:47,572 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 20:39:47,573 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:39:47,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-11 20:39:47,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:39:48,211 INFO L134 CoverageAnalysis]: Checked inductivity of 1729 backedges. 10 proven. 309 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2024-10-11 20:39:48,212 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:39:48,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:39:48,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470655354] [2024-10-11 20:39:48,488 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:39:48,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096520778] [2024-10-11 20:39:48,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1096520778] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:39:48,488 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:39:48,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2024-10-11 20:39:48,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018490661] [2024-10-11 20:39:48,489 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:39:48,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-11 20:39:48,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:39:48,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-11 20:39:48,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2024-10-11 20:39:48,490 INFO L87 Difference]: Start difference. First operand 1712 states and 2239 transitions. Second operand has 17 states, 16 states have (on average 8.4375) internal successors, (135), 17 states have internal predecessors, (135), 11 states have call successors, (30), 1 states have call predecessors, (30), 2 states have return successors, (30), 10 states have call predecessors, (30), 11 states have call successors, (30) [2024-10-11 20:39:50,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:39:50,271 INFO L93 Difference]: Finished difference Result 2554 states and 3373 transitions. [2024-10-11 20:39:50,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-11 20:39:50,273 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 8.4375) internal successors, (135), 17 states have internal predecessors, (135), 11 states have call successors, (30), 1 states have call predecessors, (30), 2 states have return successors, (30), 10 states have call predecessors, (30), 11 states have call successors, (30) Word has length 276 [2024-10-11 20:39:50,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:39:50,281 INFO L225 Difference]: With dead ends: 2554 [2024-10-11 20:39:50,281 INFO L226 Difference]: Without dead ends: 1579 [2024-10-11 20:39:50,283 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=197, Invalid=925, Unknown=0, NotChecked=0, Total=1122 [2024-10-11 20:39:50,283 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 400 mSDsluCounter, 1030 mSDsCounter, 0 mSdLazyCounter, 2344 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 1175 SdHoareTripleChecker+Invalid, 2432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 2344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:39:50,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 1175 Invalid, 2432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 2344 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 20:39:50,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1579 states. [2024-10-11 20:39:50,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1579 to 1521. [2024-10-11 20:39:50,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1521 states, 1234 states have (on average 1.1564019448946516) internal successors, (1427), 1243 states have internal predecessors, (1427), 275 states have call successors, (275), 2 states have call predecessors, (275), 2 states have return successors, (275), 275 states have call predecessors, (275), 275 states have call successors, (275) [2024-10-11 20:39:50,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 1977 transitions. [2024-10-11 20:39:50,465 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 1977 transitions. Word has length 276 [2024-10-11 20:39:50,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:39:50,465 INFO L471 AbstractCegarLoop]: Abstraction has 1521 states and 1977 transitions. [2024-10-11 20:39:50,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 8.4375) internal successors, (135), 17 states have internal predecessors, (135), 11 states have call successors, (30), 1 states have call predecessors, (30), 2 states have return successors, (30), 10 states have call predecessors, (30), 11 states have call successors, (30) [2024-10-11 20:39:50,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 1977 transitions. [2024-10-11 20:39:50,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2024-10-11 20:39:50,467 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:39:50,467 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:39:50,484 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-10-11 20:39:50,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-10-11 20:39:50,667 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:39:50,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:39:50,668 INFO L85 PathProgramCache]: Analyzing trace with hash 2118661079, now seen corresponding path program 4 times [2024-10-11 20:39:50,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:39:50,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540909313] [2024-10-11 20:39:50,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:39:50,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:39:50,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:39:50,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [991211267] [2024-10-11 20:39:50,690 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-11 20:39:50,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:39:50,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:39:50,695 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:39:50,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-10-11 20:39:50,773 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-11 20:39:50,773 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:39:50,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-11 20:39:50,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:39:51,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1806 backedges. 3 proven. 285 refuted. 0 times theorem prover too weak. 1518 trivial. 0 not checked. [2024-10-11 20:39:51,537 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:39:52,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:39:52,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540909313] [2024-10-11 20:39:52,057 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:39:52,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [991211267] [2024-10-11 20:39:52,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [991211267] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:39:52,057 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:39:52,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2024-10-11 20:39:52,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426257248] [2024-10-11 20:39:52,057 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:39:52,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-11 20:39:52,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:39:52,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-11 20:39:52,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2024-10-11 20:39:52,060 INFO L87 Difference]: Start difference. First operand 1521 states and 1977 transitions. Second operand has 16 states, 15 states have (on average 9.133333333333333) internal successors, (137), 15 states have internal predecessors, (137), 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) [2024-10-11 20:39:52,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:39:52,609 INFO L93 Difference]: Finished difference Result 1567 states and 2028 transitions. [2024-10-11 20:39:52,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-11 20:39:52,610 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.133333333333333) internal successors, (137), 15 states have internal predecessors, (137), 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 283 [2024-10-11 20:39:52,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:39:52,623 INFO L225 Difference]: With dead ends: 1567 [2024-10-11 20:39:52,623 INFO L226 Difference]: Without dead ends: 1473 [2024-10-11 20:39:52,624 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=135, Invalid=327, Unknown=0, NotChecked=0, Total=462 [2024-10-11 20:39:52,624 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 153 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:39:52,624 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 228 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:39:52,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1473 states. [2024-10-11 20:39:52,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1473 to 1472. [2024-10-11 20:39:52,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1472 states, 1194 states have (on average 1.1608040201005025) internal successors, (1386), 1203 states have internal predecessors, (1386), 266 states have call successors, (266), 2 states have call predecessors, (266), 2 states have return successors, (266), 266 states have call predecessors, (266), 266 states have call successors, (266) [2024-10-11 20:39:52,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1472 states to 1472 states and 1918 transitions. [2024-10-11 20:39:52,792 INFO L78 Accepts]: Start accepts. Automaton has 1472 states and 1918 transitions. Word has length 283 [2024-10-11 20:39:52,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:39:52,793 INFO L471 AbstractCegarLoop]: Abstraction has 1472 states and 1918 transitions. [2024-10-11 20:39:52,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.133333333333333) internal successors, (137), 15 states have internal predecessors, (137), 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) [2024-10-11 20:39:52,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1472 states and 1918 transitions. [2024-10-11 20:39:52,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2024-10-11 20:39:52,794 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:39:52,794 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 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] [2024-10-11 20:39:52,807 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-10-11 20:39:52,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,34 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:39:52,998 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:39:52,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:39:52,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1897255516, now seen corresponding path program 3 times [2024-10-11 20:39:52,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:39:52,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604013387] [2024-10-11 20:39:52,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:39:52,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:39:53,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:39:53,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1518133040] [2024-10-11 20:39:53,034 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 20:39:53,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:39:53,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:39:53,035 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:39:53,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-10-11 20:39:53,084 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-11 20:39:53,084 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:39:53,085 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-11 20:39:53,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:39:53,623 INFO L134 CoverageAnalysis]: Checked inductivity of 2311 backedges. 295 proven. 41 refuted. 0 times theorem prover too weak. 1975 trivial. 0 not checked. [2024-10-11 20:39:53,623 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:39:57,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:39:57,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604013387] [2024-10-11 20:39:57,983 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:39:57,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518133040] [2024-10-11 20:39:57,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518133040] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:39:57,983 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:39:57,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-10-11 20:39:57,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301461826] [2024-10-11 20:39:57,983 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:39:57,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 20:39:57,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:39:57,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 20:39:57,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:39:57,985 INFO L87 Difference]: Start difference. First operand 1472 states and 1918 transitions. Second operand has 14 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 4 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (16), 5 states have call predecessors, (16), 4 states have call successors, (16) [2024-10-11 20:39:59,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:39:59,791 INFO L93 Difference]: Finished difference Result 1475 states and 1920 transitions. [2024-10-11 20:39:59,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-11 20:39:59,792 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 4 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (16), 5 states have call predecessors, (16), 4 states have call successors, (16) Word has length 314 [2024-10-11 20:39:59,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:39:59,796 INFO L225 Difference]: With dead ends: 1475 [2024-10-11 20:39:59,796 INFO L226 Difference]: Without dead ends: 1471 [2024-10-11 20:39:59,796 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=139, Invalid=461, Unknown=0, NotChecked=0, Total=600 [2024-10-11 20:39:59,797 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 113 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 883 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:39:59,797 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 423 Invalid, 908 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 883 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-11 20:39:59,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1471 states. [2024-10-11 20:39:59,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1471 to 1468. [2024-10-11 20:39:59,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1468 states, 1194 states have (on average 1.082077051926298) internal successors, (1292), 1199 states have internal predecessors, (1292), 266 states have call successors, (266), 2 states have call predecessors, (266), 2 states have return successors, (266), 266 states have call predecessors, (266), 266 states have call successors, (266) [2024-10-11 20:39:59,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 1468 states and 1824 transitions. [2024-10-11 20:39:59,983 INFO L78 Accepts]: Start accepts. Automaton has 1468 states and 1824 transitions. Word has length 314 [2024-10-11 20:39:59,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:39:59,983 INFO L471 AbstractCegarLoop]: Abstraction has 1468 states and 1824 transitions. [2024-10-11 20:39:59,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 4 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (16), 5 states have call predecessors, (16), 4 states have call successors, (16) [2024-10-11 20:39:59,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1468 states and 1824 transitions. [2024-10-11 20:39:59,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2024-10-11 20:39:59,985 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:39:59,985 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:39:59,998 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-10-11 20:40:00,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-10-11 20:40:00,186 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:40:00,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:00,186 INFO L85 PathProgramCache]: Analyzing trace with hash 633737867, now seen corresponding path program 5 times [2024-10-11 20:40:00,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:00,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098484325] [2024-10-11 20:40:00,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:00,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:40:00,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [358434513] [2024-10-11 20:40:00,212 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-11 20:40:00,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:00,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:00,214 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:00,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-10-11 20:40:00,319 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2024-10-11 20:40:00,319 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:40:00,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-10-11 20:40:00,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:01,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2383 backedges. 0 proven. 393 refuted. 0 times theorem prover too weak. 1990 trivial. 0 not checked. [2024-10-11 20:40:01,456 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:40:01,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:40:01,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098484325] [2024-10-11 20:40:01,793 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:40:01,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358434513] [2024-10-11 20:40:01,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [358434513] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:40:01,793 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:40:01,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2024-10-11 20:40:01,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112125761] [2024-10-11 20:40:01,793 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:40:01,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-11 20:40:01,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:40:01,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-11 20:40:01,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=568, Unknown=0, NotChecked=0, Total=650 [2024-10-11 20:40:01,794 INFO L87 Difference]: Start difference. First operand 1468 states and 1824 transitions. Second operand has 23 states, 22 states have (on average 7.045454545454546) internal successors, (155), 23 states have internal predecessors, (155), 13 states have call successors, (35), 1 states have call predecessors, (35), 2 states have return successors, (35), 12 states have call predecessors, (35), 13 states have call successors, (35) [2024-10-11 20:40:03,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:40:03,610 INFO L93 Difference]: Finished difference Result 1514 states and 1875 transitions. [2024-10-11 20:40:03,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-11 20:40:03,611 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 7.045454545454546) internal successors, (155), 23 states have internal predecessors, (155), 13 states have call successors, (35), 1 states have call predecessors, (35), 2 states have return successors, (35), 12 states have call predecessors, (35), 13 states have call successors, (35) Word has length 321 [2024-10-11 20:40:03,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:40:03,614 INFO L225 Difference]: With dead ends: 1514 [2024-10-11 20:40:03,614 INFO L226 Difference]: Without dead ends: 1469 [2024-10-11 20:40:03,615 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 491 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=218, Invalid=1762, Unknown=0, NotChecked=0, Total=1980 [2024-10-11 20:40:03,615 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 248 mSDsluCounter, 879 mSDsCounter, 0 mSdLazyCounter, 2655 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 977 SdHoareTripleChecker+Invalid, 2697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 2655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:40:03,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 977 Invalid, 2697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 2655 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-11 20:40:03,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1469 states. [2024-10-11 20:40:03,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1469 to 1468. [2024-10-11 20:40:03,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1468 states, 1194 states have (on average 1.0812395309882747) internal successors, (1291), 1199 states have internal predecessors, (1291), 266 states have call successors, (266), 2 states have call predecessors, (266), 2 states have return successors, (266), 266 states have call predecessors, (266), 266 states have call successors, (266) [2024-10-11 20:40:03,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 1468 states and 1823 transitions. [2024-10-11 20:40:03,814 INFO L78 Accepts]: Start accepts. Automaton has 1468 states and 1823 transitions. Word has length 321 [2024-10-11 20:40:03,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:40:03,815 INFO L471 AbstractCegarLoop]: Abstraction has 1468 states and 1823 transitions. [2024-10-11 20:40:03,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 7.045454545454546) internal successors, (155), 23 states have internal predecessors, (155), 13 states have call successors, (35), 1 states have call predecessors, (35), 2 states have return successors, (35), 12 states have call predecessors, (35), 13 states have call successors, (35) [2024-10-11 20:40:03,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1468 states and 1823 transitions. [2024-10-11 20:40:03,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2024-10-11 20:40:03,817 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:40:03,817 INFO L215 NwaCegarLoop]: trace histogram [36, 36, 36, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:40:03,831 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-10-11 20:40:04,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-10-11 20:40:04,021 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-11 20:40:04,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:40:04,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1903631127, now seen corresponding path program 6 times [2024-10-11 20:40:04,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:40:04,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533351358] [2024-10-11 20:40:04,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:40:04,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:40:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:40:04,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [121132431] [2024-10-11 20:40:04,058 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-11 20:40:04,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:40:04,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:40:04,061 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:40:04,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-10-11 20:40:04,500 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-10-11 20:40:04,500 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 20:40:04,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-10-11 20:40:04,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:40:05,921 INFO L134 CoverageAnalysis]: Checked inductivity of 3046 backedges. 339 proven. 384 refuted. 0 times theorem prover too weak. 2323 trivial. 0 not checked. [2024-10-11 20:40:05,921 INFO L311 TraceCheckSpWp]: Computing backward predicates...